/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-match-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-28 12:53:50,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-28 12:53:50,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-28 12:53:50,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-28 12:53:50,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-28 12:53:50,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-28 12:53:50,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-28 12:53:50,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-28 12:53:50,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-28 12:53:50,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-28 12:53:50,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-28 12:53:50,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-28 12:53:50,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-28 12:53:50,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-28 12:53:50,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-28 12:53:50,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-28 12:53:50,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-28 12:53:51,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-28 12:53:51,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-28 12:53:51,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-28 12:53:51,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-28 12:53:51,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-28 12:53:51,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-28 12:53:51,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-28 12:53:51,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-28 12:53:51,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-28 12:53:51,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-28 12:53:51,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-28 12:53:51,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-28 12:53:51,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-28 12:53:51,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-28 12:53:51,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-28 12:53:51,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-28 12:53:51,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-28 12:53:51,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-28 12:53:51,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-28 12:53:51,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-28 12:53:51,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-28 12:53:51,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 12:53:51,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 12:53:51,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 12:53:51,024 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-01-28 12:53:51,056 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 12:53:51,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 12:53:51,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 12:53:51,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 12:53:51,058 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 12:53:51,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 12:53:51,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 12:53:51,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 12:53:51,059 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 12:53:51,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 12:53:51,060 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 12:53:51,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 12:53:51,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 12:53:51,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 12:53:51,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 12:53:51,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 12:53:51,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 12:53:51,060 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 12:53:51,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 12:53:51,061 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 12:53:51,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 12:53:51,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 12:53:51,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 12:53:51,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 12:53:51,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 12:53:51,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 12:53:51,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 12:53:51,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 12:53:51,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 12:53:51,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 12:53:51,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 12:53:51,063 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 12:53:51,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 12:53:51,064 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-28 12:53:51,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 12:53:51,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 12:53:51,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 12:53:51,258 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-28 12:53:51,259 INFO L275 PluginConnector]: CDTParser initialized [2022-01-28 12:53:51,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-match-symm.wvr.c [2022-01-28 12:53:51,316 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7880fdfc2/765b897ceaea4e4aa68aabb356d9c07c/FLAG5025a9a71 [2022-01-28 12:53:51,689 INFO L306 CDTParser]: Found 1 translation units. [2022-01-28 12:53:51,690 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c [2022-01-28 12:53:51,697 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7880fdfc2/765b897ceaea4e4aa68aabb356d9c07c/FLAG5025a9a71 [2022-01-28 12:53:51,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7880fdfc2/765b897ceaea4e4aa68aabb356d9c07c [2022-01-28 12:53:51,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 12:53:51,709 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-28 12:53:51,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-28 12:53:51,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-28 12:53:51,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-28 12:53:51,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 12:53:51" (1/1) ... [2022-01-28 12:53:51,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e612ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:53:51, skipping insertion in model container [2022-01-28 12:53:51,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 12:53:51" (1/1) ... [2022-01-28 12:53:51,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-28 12:53:51,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-28 12:53:51,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c[2584,2597] [2022-01-28 12:53:51,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 12:53:51,929 INFO L203 MainTranslator]: Completed pre-run [2022-01-28 12:53:51,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c[2584,2597] [2022-01-28 12:53:51,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 12:53:51,975 INFO L208 MainTranslator]: Completed translation [2022-01-28 12:53:51,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:53:51 WrapperNode [2022-01-28 12:53:51,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-28 12:53:51,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 12:53:51,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 12:53:51,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 12:53:51,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:53:51" (1/1) ... [2022-01-28 12:53:51,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:53:51" (1/1) ... [2022-01-28 12:53:52,023 INFO L137 Inliner]: procedures = 22, calls = 27, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 180 [2022-01-28 12:53:52,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 12:53:52,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 12:53:52,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 12:53:52,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 12:53:52,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:53:51" (1/1) ... [2022-01-28 12:53:52,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:53:51" (1/1) ... [2022-01-28 12:53:52,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:53:51" (1/1) ... [2022-01-28 12:53:52,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:53:51" (1/1) ... [2022-01-28 12:53:52,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:53:51" (1/1) ... [2022-01-28 12:53:52,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:53:51" (1/1) ... [2022-01-28 12:53:52,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:53:51" (1/1) ... [2022-01-28 12:53:52,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 12:53:52,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 12:53:52,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 12:53:52,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 12:53:52,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:53:51" (1/1) ... [2022-01-28 12:53:52,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 12:53:52,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 12:53:52,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-28 12:53:52,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-28 12:53:52,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-28 12:53:52,145 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-28 12:53:52,145 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-28 12:53:52,145 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-28 12:53:52,145 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-28 12:53:52,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-28 12:53:52,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-28 12:53:52,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-28 12:53:52,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 12:53:52,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 12:53:52,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-28 12:53:52,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-28 12:53:52,147 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-28 12:53:52,274 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 12:53:52,276 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 12:53:52,518 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 12:53:52,528 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 12:53:52,528 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-28 12:53:52,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 12:53:52 BoogieIcfgContainer [2022-01-28 12:53:52,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 12:53:52,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 12:53:52,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 12:53:52,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 12:53:52,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 12:53:51" (1/3) ... [2022-01-28 12:53:52,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d165a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 12:53:52, skipping insertion in model container [2022-01-28 12:53:52,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:53:51" (2/3) ... [2022-01-28 12:53:52,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d165a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 12:53:52, skipping insertion in model container [2022-01-28 12:53:52,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 12:53:52" (3/3) ... [2022-01-28 12:53:52,544 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-match-symm.wvr.c [2022-01-28 12:53:52,548 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 12:53:52,548 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 12:53:52,548 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-28 12:53:52,548 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 12:53:52,605 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,605 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,606 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,606 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,606 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,606 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,607 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,607 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,607 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,607 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,608 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,608 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,609 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,609 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,609 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,609 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,609 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,609 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,610 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,610 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,610 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,611 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,611 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,611 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,612 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,612 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,613 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,613 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,614 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,614 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,614 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,614 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,614 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,615 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,615 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,615 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,615 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,615 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,615 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,615 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,616 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,616 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,616 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,616 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,616 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,616 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,617 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,617 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,617 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,617 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,618 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,618 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,618 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,618 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,618 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,618 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,619 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,619 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,621 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,621 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,621 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,622 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,623 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,624 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,625 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,626 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,627 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,627 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,628 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,629 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,632 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,638 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,639 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,640 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,641 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,642 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,642 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,642 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,642 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,642 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,642 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,642 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,642 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,642 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,642 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,643 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,643 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,643 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,643 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,643 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,643 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,643 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,644 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,644 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,644 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,644 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,644 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,644 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,644 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,645 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,645 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,645 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,645 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,645 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,645 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,645 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,646 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,646 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,646 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,646 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,646 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,646 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,646 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,647 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,647 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,647 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,647 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,647 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,647 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,647 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,647 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,648 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,648 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,648 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,648 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,648 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,648 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,648 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,649 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,650 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,650 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,650 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,651 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,653 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,654 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,655 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,656 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,656 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,656 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,656 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,656 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,656 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,656 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,657 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,657 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,657 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,657 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,657 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,657 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,657 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,657 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,657 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,658 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,658 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,658 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,658 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,658 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,658 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,658 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,658 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,659 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,659 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,659 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,659 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,659 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,659 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,659 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,659 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,659 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,660 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,660 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,660 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,660 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,660 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,660 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,660 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,660 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,661 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,661 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,661 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,661 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,661 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,661 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,661 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,661 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,661 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,662 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,662 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,662 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,662 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,662 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,662 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,662 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,662 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,663 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,663 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,663 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,663 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,663 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,663 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,663 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,663 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,663 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,664 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,664 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,664 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,664 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,664 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,664 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,664 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,664 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,665 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,665 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,665 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,665 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,665 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,665 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,665 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,666 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,666 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,666 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,666 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,666 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,666 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,666 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,666 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,667 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,667 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,670 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,671 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,673 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,674 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,675 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,676 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,677 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,678 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,679 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,687 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,687 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,687 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,687 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,687 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,688 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,688 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,688 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,688 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,688 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,688 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,688 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,689 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,689 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,689 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,689 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,689 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,689 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,689 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,689 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,689 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,696 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,696 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,697 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,697 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,697 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s1~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,697 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,697 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,698 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,698 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,699 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_~s2~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,699 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,699 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,699 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,699 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,699 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,699 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,700 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s2~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~s1~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,705 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,705 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,705 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 12:53:52,708 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-28 12:53:52,741 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-28 12:53:52,747 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-28 12:53:52,747 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-28 12:53:52,759 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 240 places, 252 transitions, 520 flow [2022-01-28 12:53:53,398 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 21452 states, 21451 states have (on average 2.9129644305626776) internal successors, (62486), 21451 states have internal predecessors, (62486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:53:53,462 INFO L276 IsEmpty]: Start isEmpty. Operand has 21452 states, 21451 states have (on average 2.9129644305626776) internal successors, (62486), 21451 states have internal predecessors, (62486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:53:53,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-01-28 12:53:53,652 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:53:53,653 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:53:53,654 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:53:53,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:53:53,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1046478131, now seen corresponding path program 1 times [2022-01-28 12:53:53,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:53:53,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866095865] [2022-01-28 12:53:53,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:53:53,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:53:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:53:54,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:53:54,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:53:54,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866095865] [2022-01-28 12:53:54,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866095865] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:53:54,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:53:54,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 12:53:54,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757510310] [2022-01-28 12:53:54,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:53:54,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 12:53:54,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:53:54,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 12:53:54,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 12:53:54,216 INFO L87 Difference]: Start difference. First operand has 21452 states, 21451 states have (on average 2.9129644305626776) internal successors, (62486), 21451 states have internal predecessors, (62486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:53:54,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:53:54,604 INFO L93 Difference]: Finished difference Result 26277 states and 72723 transitions. [2022-01-28 12:53:54,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 12:53:54,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-01-28 12:53:54,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:53:54,750 INFO L225 Difference]: With dead ends: 26277 [2022-01-28 12:53:54,751 INFO L226 Difference]: Without dead ends: 23711 [2022-01-28 12:53:54,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 12:53:54,755 INFO L933 BasicCegarLoop]: 366 mSDtfsCounter, 143 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 12:53:54,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 578 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 12:53:54,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23711 states. [2022-01-28 12:53:55,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23711 to 22771. [2022-01-28 12:53:55,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22771 states, 22770 states have (on average 2.7727711901624943) internal successors, (63136), 22770 states have internal predecessors, (63136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:53:55,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22771 states to 22771 states and 63136 transitions. [2022-01-28 12:53:55,665 INFO L78 Accepts]: Start accepts. Automaton has 22771 states and 63136 transitions. Word has length 191 [2022-01-28 12:53:55,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:53:55,669 INFO L470 AbstractCegarLoop]: Abstraction has 22771 states and 63136 transitions. [2022-01-28 12:53:55,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:53:55,671 INFO L276 IsEmpty]: Start isEmpty. Operand 22771 states and 63136 transitions. [2022-01-28 12:53:55,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-01-28 12:53:55,889 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:53:55,890 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:53:55,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 12:53:55,891 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:53:55,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:53:55,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1705055825, now seen corresponding path program 2 times [2022-01-28 12:53:55,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:53:55,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386648914] [2022-01-28 12:53:55,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:53:55,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:53:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:53:56,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:53:56,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:53:56,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386648914] [2022-01-28 12:53:56,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386648914] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:53:56,071 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:53:56,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 12:53:56,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606151307] [2022-01-28 12:53:56,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:53:56,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 12:53:56,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:53:56,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 12:53:56,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 12:53:56,074 INFO L87 Difference]: Start difference. First operand 22771 states and 63136 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:53:56,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:53:56,369 INFO L93 Difference]: Finished difference Result 27236 states and 74778 transitions. [2022-01-28 12:53:56,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 12:53:56,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-01-28 12:53:56,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:53:56,455 INFO L225 Difference]: With dead ends: 27236 [2022-01-28 12:53:56,456 INFO L226 Difference]: Without dead ends: 27236 [2022-01-28 12:53:56,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 12:53:56,461 INFO L933 BasicCegarLoop]: 367 mSDtfsCounter, 167 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:53:56,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 568 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 12:53:56,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27236 states. [2022-01-28 12:53:57,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27236 to 26367. [2022-01-28 12:53:57,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26367 states, 26366 states have (on average 2.7478570886748086) internal successors, (72450), 26366 states have internal predecessors, (72450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:53:57,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26367 states to 26367 states and 72450 transitions. [2022-01-28 12:53:57,395 INFO L78 Accepts]: Start accepts. Automaton has 26367 states and 72450 transitions. Word has length 191 [2022-01-28 12:53:57,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:53:57,398 INFO L470 AbstractCegarLoop]: Abstraction has 26367 states and 72450 transitions. [2022-01-28 12:53:57,399 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:53:57,399 INFO L276 IsEmpty]: Start isEmpty. Operand 26367 states and 72450 transitions. [2022-01-28 12:53:57,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-28 12:53:57,496 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:53:57,497 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:53:57,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-28 12:53:57,498 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:53:57,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:53:57,499 INFO L85 PathProgramCache]: Analyzing trace with hash 91385591, now seen corresponding path program 1 times [2022-01-28 12:53:57,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:53:57,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63043329] [2022-01-28 12:53:57,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:53:57,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:53:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:53:57,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:53:57,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:53:57,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63043329] [2022-01-28 12:53:57,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63043329] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:53:57,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:53:57,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 12:53:57,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428545284] [2022-01-28 12:53:57,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:53:57,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 12:53:57,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:53:57,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 12:53:57,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:53:57,764 INFO L87 Difference]: Start difference. First operand 26367 states and 72450 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:53:58,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:53:58,179 INFO L93 Difference]: Finished difference Result 27268 states and 74722 transitions. [2022-01-28 12:53:58,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-28 12:53:58,179 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-28 12:53:58,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:53:58,245 INFO L225 Difference]: With dead ends: 27268 [2022-01-28 12:53:58,246 INFO L226 Difference]: Without dead ends: 25360 [2022-01-28 12:53:58,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2022-01-28 12:53:58,247 INFO L933 BasicCegarLoop]: 393 mSDtfsCounter, 306 mSDsluCounter, 1493 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 1847 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:53:58,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [306 Valid, 1847 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 12:53:58,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25360 states. [2022-01-28 12:53:58,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25360 to 24779. [2022-01-28 12:53:58,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24779 states, 24778 states have (on average 2.7533699249334087) internal successors, (68223), 24778 states have internal predecessors, (68223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:53:58,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24779 states to 24779 states and 68223 transitions. [2022-01-28 12:53:58,915 INFO L78 Accepts]: Start accepts. Automaton has 24779 states and 68223 transitions. Word has length 193 [2022-01-28 12:53:58,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:53:58,916 INFO L470 AbstractCegarLoop]: Abstraction has 24779 states and 68223 transitions. [2022-01-28 12:53:58,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:53:58,916 INFO L276 IsEmpty]: Start isEmpty. Operand 24779 states and 68223 transitions. [2022-01-28 12:53:58,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-28 12:53:58,967 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:53:58,967 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:53:58,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-28 12:53:58,968 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:53:58,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:53:58,968 INFO L85 PathProgramCache]: Analyzing trace with hash 220120295, now seen corresponding path program 2 times [2022-01-28 12:53:58,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:53:58,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195482782] [2022-01-28 12:53:58,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:53:58,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:53:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:53:59,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:53:59,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:53:59,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195482782] [2022-01-28 12:53:59,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195482782] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:53:59,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:53:59,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 12:53:59,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442133781] [2022-01-28 12:53:59,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:53:59,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 12:53:59,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:53:59,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 12:53:59,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:53:59,117 INFO L87 Difference]: Start difference. First operand 24779 states and 68223 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:53:59,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:53:59,554 INFO L93 Difference]: Finished difference Result 25301 states and 69550 transitions. [2022-01-28 12:53:59,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-28 12:53:59,555 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-28 12:53:59,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:53:59,618 INFO L225 Difference]: With dead ends: 25301 [2022-01-28 12:53:59,619 INFO L226 Difference]: Without dead ends: 25016 [2022-01-28 12:53:59,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2022-01-28 12:53:59,627 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 127 mSDsluCounter, 1303 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:53:59,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 1608 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 12:53:59,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25016 states. [2022-01-28 12:54:00,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25016 to 24783. [2022-01-28 12:54:00,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24783 states, 24782 states have (on average 2.7532079735291743) internal successors, (68230), 24782 states have internal predecessors, (68230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:00,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24783 states to 24783 states and 68230 transitions. [2022-01-28 12:54:00,254 INFO L78 Accepts]: Start accepts. Automaton has 24783 states and 68230 transitions. Word has length 193 [2022-01-28 12:54:00,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:00,254 INFO L470 AbstractCegarLoop]: Abstraction has 24783 states and 68230 transitions. [2022-01-28 12:54:00,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:00,255 INFO L276 IsEmpty]: Start isEmpty. Operand 24783 states and 68230 transitions. [2022-01-28 12:54:00,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-28 12:54:00,432 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:00,432 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:00,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-28 12:54:00,432 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:00,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:00,433 INFO L85 PathProgramCache]: Analyzing trace with hash 632035177, now seen corresponding path program 3 times [2022-01-28 12:54:00,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:00,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028403650] [2022-01-28 12:54:00,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:00,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:00,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:00,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:00,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028403650] [2022-01-28 12:54:00,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028403650] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:00,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:00,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 12:54:00,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856022966] [2022-01-28 12:54:00,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:00,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 12:54:00,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:00,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 12:54:00,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:54:00,593 INFO L87 Difference]: Start difference. First operand 24783 states and 68230 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:00,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:00,847 INFO L93 Difference]: Finished difference Result 25198 states and 69286 transitions. [2022-01-28 12:54:00,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 12:54:00,848 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-28 12:54:00,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:00,904 INFO L225 Difference]: With dead ends: 25198 [2022-01-28 12:54:00,905 INFO L226 Difference]: Without dead ends: 24947 [2022-01-28 12:54:00,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2022-01-28 12:54:00,906 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 99 mSDsluCounter, 1617 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 1907 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:00,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 1907 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 12:54:00,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24947 states. [2022-01-28 12:54:01,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24947 to 24787. [2022-01-28 12:54:01,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24787 states, 24786 states have (on average 2.753046074396837) internal successors, (68237), 24786 states have internal predecessors, (68237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:01,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24787 states to 24787 states and 68237 transitions. [2022-01-28 12:54:01,596 INFO L78 Accepts]: Start accepts. Automaton has 24787 states and 68237 transitions. Word has length 193 [2022-01-28 12:54:01,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:01,596 INFO L470 AbstractCegarLoop]: Abstraction has 24787 states and 68237 transitions. [2022-01-28 12:54:01,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:01,596 INFO L276 IsEmpty]: Start isEmpty. Operand 24787 states and 68237 transitions. [2022-01-28 12:54:01,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-28 12:54:01,649 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:01,649 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:01,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-28 12:54:01,650 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:01,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:01,650 INFO L85 PathProgramCache]: Analyzing trace with hash 771229479, now seen corresponding path program 4 times [2022-01-28 12:54:01,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:01,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752547757] [2022-01-28 12:54:01,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:01,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:01,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:01,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:01,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752547757] [2022-01-28 12:54:01,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752547757] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:01,827 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:01,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 12:54:01,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861758821] [2022-01-28 12:54:01,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:01,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 12:54:01,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:01,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 12:54:01,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:54:01,829 INFO L87 Difference]: Start difference. First operand 24787 states and 68237 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:02,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:02,090 INFO L93 Difference]: Finished difference Result 25169 states and 69204 transitions. [2022-01-28 12:54:02,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 12:54:02,091 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-28 12:54:02,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:02,382 INFO L225 Difference]: With dead ends: 25169 [2022-01-28 12:54:02,383 INFO L226 Difference]: Without dead ends: 24697 [2022-01-28 12:54:02,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2022-01-28 12:54:02,383 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 96 mSDsluCounter, 1350 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:02,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 1649 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 12:54:02,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24697 states. [2022-01-28 12:54:02,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24697 to 24569. [2022-01-28 12:54:02,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24569 states, 24568 states have (on average 2.75358189514816) internal successors, (67650), 24568 states have internal predecessors, (67650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:02,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24569 states to 24569 states and 67650 transitions. [2022-01-28 12:54:02,946 INFO L78 Accepts]: Start accepts. Automaton has 24569 states and 67650 transitions. Word has length 193 [2022-01-28 12:54:02,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:02,946 INFO L470 AbstractCegarLoop]: Abstraction has 24569 states and 67650 transitions. [2022-01-28 12:54:02,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:02,947 INFO L276 IsEmpty]: Start isEmpty. Operand 24569 states and 67650 transitions. [2022-01-28 12:54:02,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-28 12:54:02,979 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:02,979 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:02,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-28 12:54:02,979 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:02,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:02,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1404106581, now seen corresponding path program 5 times [2022-01-28 12:54:02,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:02,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207121199] [2022-01-28 12:54:02,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:02,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:03,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:03,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:03,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207121199] [2022-01-28 12:54:03,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207121199] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:03,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:03,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 12:54:03,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051670960] [2022-01-28 12:54:03,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:03,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 12:54:03,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:03,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 12:54:03,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:54:03,129 INFO L87 Difference]: Start difference. First operand 24569 states and 67650 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:03,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:03,391 INFO L93 Difference]: Finished difference Result 25247 states and 69405 transitions. [2022-01-28 12:54:03,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 12:54:03,391 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-28 12:54:03,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:03,444 INFO L225 Difference]: With dead ends: 25247 [2022-01-28 12:54:03,444 INFO L226 Difference]: Without dead ends: 24962 [2022-01-28 12:54:03,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2022-01-28 12:54:03,451 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 148 mSDsluCounter, 1497 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:03,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 1792 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 12:54:03,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24962 states. [2022-01-28 12:54:03,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24962 to 24577. [2022-01-28 12:54:03,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24577 states, 24576 states have (on average 2.75341796875) internal successors, (67668), 24576 states have internal predecessors, (67668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:04,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24577 states to 24577 states and 67668 transitions. [2022-01-28 12:54:04,174 INFO L78 Accepts]: Start accepts. Automaton has 24577 states and 67668 transitions. Word has length 193 [2022-01-28 12:54:04,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:04,174 INFO L470 AbstractCegarLoop]: Abstraction has 24577 states and 67668 transitions. [2022-01-28 12:54:04,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:04,175 INFO L276 IsEmpty]: Start isEmpty. Operand 24577 states and 67668 transitions. [2022-01-28 12:54:04,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-28 12:54:04,214 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:04,214 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:04,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-28 12:54:04,214 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:04,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:04,215 INFO L85 PathProgramCache]: Analyzing trace with hash -992191699, now seen corresponding path program 6 times [2022-01-28 12:54:04,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:04,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118107440] [2022-01-28 12:54:04,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:04,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:04,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:04,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:04,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118107440] [2022-01-28 12:54:04,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118107440] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:04,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:04,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 12:54:04,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883211204] [2022-01-28 12:54:04,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:04,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 12:54:04,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:04,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 12:54:04,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:54:04,340 INFO L87 Difference]: Start difference. First operand 24577 states and 67668 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:04,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:04,667 INFO L93 Difference]: Finished difference Result 25168 states and 69207 transitions. [2022-01-28 12:54:04,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 12:54:04,668 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-28 12:54:04,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:04,715 INFO L225 Difference]: With dead ends: 25168 [2022-01-28 12:54:04,715 INFO L226 Difference]: Without dead ends: 24917 [2022-01-28 12:54:04,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2022-01-28 12:54:04,716 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 133 mSDsluCounter, 1856 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 2143 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:04,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 2143 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 12:54:04,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24917 states. [2022-01-28 12:54:05,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24917 to 24581. [2022-01-28 12:54:05,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24581 states, 24580 states have (on average 2.7532546786004883) internal successors, (67675), 24580 states have internal predecessors, (67675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:05,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24581 states to 24581 states and 67675 transitions. [2022-01-28 12:54:05,245 INFO L78 Accepts]: Start accepts. Automaton has 24581 states and 67675 transitions. Word has length 193 [2022-01-28 12:54:05,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:05,246 INFO L470 AbstractCegarLoop]: Abstraction has 24581 states and 67675 transitions. [2022-01-28 12:54:05,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:05,246 INFO L276 IsEmpty]: Start isEmpty. Operand 24581 states and 67675 transitions. [2022-01-28 12:54:05,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-28 12:54:05,284 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:05,284 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:05,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-28 12:54:05,284 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:05,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:05,284 INFO L85 PathProgramCache]: Analyzing trace with hash -852997397, now seen corresponding path program 7 times [2022-01-28 12:54:05,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:05,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233168726] [2022-01-28 12:54:05,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:05,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:05,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:05,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:05,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233168726] [2022-01-28 12:54:05,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233168726] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:05,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:05,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 12:54:05,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798187452] [2022-01-28 12:54:05,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:05,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 12:54:05,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:05,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 12:54:05,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:54:05,411 INFO L87 Difference]: Start difference. First operand 24581 states and 67675 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:05,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:05,789 INFO L93 Difference]: Finished difference Result 25139 states and 69125 transitions. [2022-01-28 12:54:05,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 12:54:05,789 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-28 12:54:05,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:05,835 INFO L225 Difference]: With dead ends: 25139 [2022-01-28 12:54:05,835 INFO L226 Difference]: Without dead ends: 24877 [2022-01-28 12:54:05,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-01-28 12:54:05,836 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 136 mSDsluCounter, 1475 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 1765 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:05,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 1765 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 12:54:05,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24877 states. [2022-01-28 12:54:06,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24877 to 24573. [2022-01-28 12:54:06,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24573 states, 24572 states have (on average 2.753418525150578) internal successors, (67657), 24572 states have internal predecessors, (67657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:06,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24573 states to 24573 states and 67657 transitions. [2022-01-28 12:54:06,314 INFO L78 Accepts]: Start accepts. Automaton has 24573 states and 67657 transitions. Word has length 193 [2022-01-28 12:54:06,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:06,314 INFO L470 AbstractCegarLoop]: Abstraction has 24573 states and 67657 transitions. [2022-01-28 12:54:06,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:06,314 INFO L276 IsEmpty]: Start isEmpty. Operand 24573 states and 67657 transitions. [2022-01-28 12:54:06,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-28 12:54:06,346 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:06,346 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:06,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-28 12:54:06,347 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:06,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:06,347 INFO L85 PathProgramCache]: Analyzing trace with hash 280309727, now seen corresponding path program 8 times [2022-01-28 12:54:06,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:06,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155440205] [2022-01-28 12:54:06,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:06,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:06,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:06,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:06,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155440205] [2022-01-28 12:54:06,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155440205] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:06,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:06,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 12:54:06,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859433328] [2022-01-28 12:54:06,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:06,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 12:54:06,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:06,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 12:54:06,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:54:06,456 INFO L87 Difference]: Start difference. First operand 24573 states and 67657 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:06,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:06,753 INFO L93 Difference]: Finished difference Result 25148 states and 69152 transitions. [2022-01-28 12:54:06,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-28 12:54:06,754 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-28 12:54:06,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:06,811 INFO L225 Difference]: With dead ends: 25148 [2022-01-28 12:54:06,811 INFO L226 Difference]: Without dead ends: 24897 [2022-01-28 12:54:06,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2022-01-28 12:54:06,812 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 220 mSDsluCounter, 2374 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 2718 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:06,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 2718 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 12:54:06,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24897 states. [2022-01-28 12:54:07,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24897 to 24581. [2022-01-28 12:54:07,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24581 states, 24580 states have (on average 2.7532546786004883) internal successors, (67675), 24580 states have internal predecessors, (67675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:07,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24581 states to 24581 states and 67675 transitions. [2022-01-28 12:54:07,370 INFO L78 Accepts]: Start accepts. Automaton has 24581 states and 67675 transitions. Word has length 193 [2022-01-28 12:54:07,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:07,370 INFO L470 AbstractCegarLoop]: Abstraction has 24581 states and 67675 transitions. [2022-01-28 12:54:07,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:07,370 INFO L276 IsEmpty]: Start isEmpty. Operand 24581 states and 67675 transitions. [2022-01-28 12:54:07,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-28 12:54:07,411 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:07,412 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:07,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-28 12:54:07,412 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:07,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:07,412 INFO L85 PathProgramCache]: Analyzing trace with hash 419504029, now seen corresponding path program 9 times [2022-01-28 12:54:07,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:07,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632569317] [2022-01-28 12:54:07,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:07,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:07,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:07,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:07,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632569317] [2022-01-28 12:54:07,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632569317] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:07,557 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:07,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 12:54:07,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095036277] [2022-01-28 12:54:07,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:07,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 12:54:07,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:07,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 12:54:07,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:54:07,558 INFO L87 Difference]: Start difference. First operand 24581 states and 67675 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:07,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:07,991 INFO L93 Difference]: Finished difference Result 25146 states and 69138 transitions. [2022-01-28 12:54:07,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-28 12:54:07,992 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-28 12:54:07,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:08,044 INFO L225 Difference]: With dead ends: 25146 [2022-01-28 12:54:08,044 INFO L226 Difference]: Without dead ends: 24888 [2022-01-28 12:54:08,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2022-01-28 12:54:08,045 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 216 mSDsluCounter, 2054 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 2397 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:08,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 2397 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 12:54:08,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24888 states. [2022-01-28 12:54:08,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24888 to 24577. [2022-01-28 12:54:08,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24577 states, 24576 states have (on average 2.7532552083333335) internal successors, (67664), 24576 states have internal predecessors, (67664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:08,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24577 states to 24577 states and 67664 transitions. [2022-01-28 12:54:08,561 INFO L78 Accepts]: Start accepts. Automaton has 24577 states and 67664 transitions. Word has length 193 [2022-01-28 12:54:08,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:08,561 INFO L470 AbstractCegarLoop]: Abstraction has 24577 states and 67664 transitions. [2022-01-28 12:54:08,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:08,561 INFO L276 IsEmpty]: Start isEmpty. Operand 24577 states and 67664 transitions. [2022-01-28 12:54:08,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-28 12:54:08,595 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:08,595 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:08,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-28 12:54:08,595 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:08,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:08,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1183725507, now seen corresponding path program 10 times [2022-01-28 12:54:08,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:08,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710685675] [2022-01-28 12:54:08,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:08,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:08,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:08,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:08,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710685675] [2022-01-28 12:54:08,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710685675] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:08,720 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:08,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 12:54:08,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866290338] [2022-01-28 12:54:08,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:08,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 12:54:08,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:08,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 12:54:08,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:54:08,721 INFO L87 Difference]: Start difference. First operand 24577 states and 67664 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:09,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:09,038 INFO L93 Difference]: Finished difference Result 25480 states and 69966 transitions. [2022-01-28 12:54:09,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-28 12:54:09,038 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-28 12:54:09,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:09,076 INFO L225 Difference]: With dead ends: 25480 [2022-01-28 12:54:09,076 INFO L226 Difference]: Without dead ends: 23023 [2022-01-28 12:54:09,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2022-01-28 12:54:09,077 INFO L933 BasicCegarLoop]: 447 mSDtfsCounter, 508 mSDsluCounter, 2072 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 2488 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:09,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [508 Valid, 2488 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 12:54:09,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23023 states. [2022-01-28 12:54:09,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23023 to 22399. [2022-01-28 12:54:09,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22399 states, 22398 states have (on average 2.754308420394678) internal successors, (61691), 22398 states have internal predecessors, (61691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:09,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 61691 transitions. [2022-01-28 12:54:09,543 INFO L78 Accepts]: Start accepts. Automaton has 22399 states and 61691 transitions. Word has length 193 [2022-01-28 12:54:09,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:09,544 INFO L470 AbstractCegarLoop]: Abstraction has 22399 states and 61691 transitions. [2022-01-28 12:54:09,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:09,544 INFO L276 IsEmpty]: Start isEmpty. Operand 22399 states and 61691 transitions. [2022-01-28 12:54:09,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-28 12:54:09,573 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:09,573 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:09,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-28 12:54:09,573 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:09,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:09,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1030717563, now seen corresponding path program 1 times [2022-01-28 12:54:09,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:09,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602259692] [2022-01-28 12:54:09,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:09,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:09,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:09,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:09,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602259692] [2022-01-28 12:54:09,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602259692] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:09,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:09,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 12:54:09,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399643043] [2022-01-28 12:54:09,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:09,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 12:54:09,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:09,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 12:54:09,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:54:09,724 INFO L87 Difference]: Start difference. First operand 22399 states and 61691 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:10,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:10,150 INFO L93 Difference]: Finished difference Result 23273 states and 63897 transitions. [2022-01-28 12:54:10,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-28 12:54:10,150 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-28 12:54:10,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:10,190 INFO L225 Difference]: With dead ends: 23273 [2022-01-28 12:54:10,191 INFO L226 Difference]: Without dead ends: 21560 [2022-01-28 12:54:10,191 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:54:10,192 INFO L933 BasicCegarLoop]: 381 mSDtfsCounter, 336 mSDsluCounter, 2450 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 2794 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:10,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [336 Valid, 2794 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-28 12:54:10,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21560 states. [2022-01-28 12:54:10,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21560 to 21003. [2022-01-28 12:54:10,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21003 states, 21002 states have (on average 2.7544043424435767) internal successors, (57848), 21002 states have internal predecessors, (57848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:10,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21003 states to 21003 states and 57848 transitions. [2022-01-28 12:54:10,575 INFO L78 Accepts]: Start accepts. Automaton has 21003 states and 57848 transitions. Word has length 193 [2022-01-28 12:54:10,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:10,575 INFO L470 AbstractCegarLoop]: Abstraction has 21003 states and 57848 transitions. [2022-01-28 12:54:10,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:10,576 INFO L276 IsEmpty]: Start isEmpty. Operand 21003 states and 57848 transitions. [2022-01-28 12:54:10,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-28 12:54:10,603 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:10,603 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:10,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-28 12:54:10,604 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:10,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:10,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1690865081, now seen corresponding path program 2 times [2022-01-28 12:54:10,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:10,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599854284] [2022-01-28 12:54:10,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:10,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:10,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:10,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:10,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599854284] [2022-01-28 12:54:10,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599854284] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:10,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:10,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 12:54:10,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625990457] [2022-01-28 12:54:10,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:10,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 12:54:10,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:10,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 12:54:10,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:54:10,710 INFO L87 Difference]: Start difference. First operand 21003 states and 57848 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:11,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:11,078 INFO L93 Difference]: Finished difference Result 21522 states and 59163 transitions. [2022-01-28 12:54:11,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-28 12:54:11,079 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-28 12:54:11,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:11,122 INFO L225 Difference]: With dead ends: 21522 [2022-01-28 12:54:11,122 INFO L226 Difference]: Without dead ends: 21237 [2022-01-28 12:54:11,122 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2022-01-28 12:54:11,123 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 144 mSDsluCounter, 1875 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 2165 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:11,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 2165 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-28 12:54:11,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21237 states. [2022-01-28 12:54:11,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21237 to 21007. [2022-01-28 12:54:11,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21007 states, 21006 states have (on average 2.754213081976578) internal successors, (57855), 21006 states have internal predecessors, (57855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:11,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21007 states to 21007 states and 57855 transitions. [2022-01-28 12:54:11,632 INFO L78 Accepts]: Start accepts. Automaton has 21007 states and 57855 transitions. Word has length 193 [2022-01-28 12:54:11,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:11,633 INFO L470 AbstractCegarLoop]: Abstraction has 21007 states and 57855 transitions. [2022-01-28 12:54:11,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:11,633 INFO L276 IsEmpty]: Start isEmpty. Operand 21007 states and 57855 transitions. [2022-01-28 12:54:11,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-28 12:54:11,659 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:11,659 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:11,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-28 12:54:11,660 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:11,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:11,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1239264329, now seen corresponding path program 3 times [2022-01-28 12:54:11,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:11,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328615933] [2022-01-28 12:54:11,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:11,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:11,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:11,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:11,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328615933] [2022-01-28 12:54:11,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328615933] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:11,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:11,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 12:54:11,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860187133] [2022-01-28 12:54:11,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:11,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 12:54:11,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:11,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 12:54:11,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:54:11,766 INFO L87 Difference]: Start difference. First operand 21007 states and 57855 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:11,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:11,950 INFO L93 Difference]: Finished difference Result 21442 states and 58951 transitions. [2022-01-28 12:54:11,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 12:54:11,950 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-28 12:54:11,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:11,983 INFO L225 Difference]: With dead ends: 21442 [2022-01-28 12:54:11,983 INFO L226 Difference]: Without dead ends: 21185 [2022-01-28 12:54:11,984 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2022-01-28 12:54:11,984 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 120 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1915 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:11,985 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 1915 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 12:54:12,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21185 states. [2022-01-28 12:54:12,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21185 to 21011. [2022-01-28 12:54:12,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21011 states, 21010 states have (on average 2.7540218943360304) internal successors, (57862), 21010 states have internal predecessors, (57862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:12,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21011 states to 21011 states and 57862 transitions. [2022-01-28 12:54:12,414 INFO L78 Accepts]: Start accepts. Automaton has 21011 states and 57862 transitions. Word has length 193 [2022-01-28 12:54:12,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:12,415 INFO L470 AbstractCegarLoop]: Abstraction has 21011 states and 57862 transitions. [2022-01-28 12:54:12,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:12,415 INFO L276 IsEmpty]: Start isEmpty. Operand 21011 states and 57862 transitions. [2022-01-28 12:54:12,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-28 12:54:12,441 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:12,441 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:12,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-28 12:54:12,441 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:12,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:12,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1378458631, now seen corresponding path program 4 times [2022-01-28 12:54:12,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:12,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510598616] [2022-01-28 12:54:12,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:12,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:12,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:12,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:12,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510598616] [2022-01-28 12:54:12,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510598616] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:12,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:12,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 12:54:12,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729582697] [2022-01-28 12:54:12,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:12,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 12:54:12,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:12,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 12:54:12,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:54:12,544 INFO L87 Difference]: Start difference. First operand 21011 states and 57862 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:12,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:12,767 INFO L93 Difference]: Finished difference Result 21405 states and 58847 transitions. [2022-01-28 12:54:12,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 12:54:12,767 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-28 12:54:12,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:12,800 INFO L225 Difference]: With dead ends: 21405 [2022-01-28 12:54:12,801 INFO L226 Difference]: Without dead ends: 20933 [2022-01-28 12:54:12,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2022-01-28 12:54:12,801 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 117 mSDsluCounter, 2037 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 2313 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:12,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 2313 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 12:54:12,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20933 states. [2022-01-28 12:54:13,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20933 to 20799. [2022-01-28 12:54:13,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20799 states, 20798 states have (on average 2.754447543032984) internal successors, (57287), 20798 states have internal predecessors, (57287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:13,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20799 states to 20799 states and 57287 transitions. [2022-01-28 12:54:13,236 INFO L78 Accepts]: Start accepts. Automaton has 20799 states and 57287 transitions. Word has length 193 [2022-01-28 12:54:13,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:13,237 INFO L470 AbstractCegarLoop]: Abstraction has 20799 states and 57287 transitions. [2022-01-28 12:54:13,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:13,237 INFO L276 IsEmpty]: Start isEmpty. Operand 20799 states and 57287 transitions. [2022-01-28 12:54:13,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-28 12:54:13,274 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:13,274 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:13,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-28 12:54:13,274 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:13,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:13,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1297262731, now seen corresponding path program 5 times [2022-01-28 12:54:13,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:13,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708784214] [2022-01-28 12:54:13,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:13,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:13,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:13,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:13,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708784214] [2022-01-28 12:54:13,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708784214] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:13,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:13,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 12:54:13,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724014663] [2022-01-28 12:54:13,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:13,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 12:54:13,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:13,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 12:54:13,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:54:13,371 INFO L87 Difference]: Start difference. First operand 20799 states and 57287 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:13,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:13,676 INFO L93 Difference]: Finished difference Result 21743 states and 59677 transitions. [2022-01-28 12:54:13,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-28 12:54:13,676 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-28 12:54:13,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:13,708 INFO L225 Difference]: With dead ends: 21743 [2022-01-28 12:54:13,708 INFO L226 Difference]: Without dead ends: 19891 [2022-01-28 12:54:13,709 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2022-01-28 12:54:13,709 INFO L933 BasicCegarLoop]: 458 mSDtfsCounter, 497 mSDsluCounter, 2858 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 3267 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:13,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 3267 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 12:54:13,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19891 states. [2022-01-28 12:54:14,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19891 to 19246. [2022-01-28 12:54:14,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19246 states, 19245 states have (on average 2.7619641465315667) internal successors, (53154), 19245 states have internal predecessors, (53154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:14,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19246 states to 19246 states and 53154 transitions. [2022-01-28 12:54:14,160 INFO L78 Accepts]: Start accepts. Automaton has 19246 states and 53154 transitions. Word has length 193 [2022-01-28 12:54:14,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:14,160 INFO L470 AbstractCegarLoop]: Abstraction has 19246 states and 53154 transitions. [2022-01-28 12:54:14,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:14,161 INFO L276 IsEmpty]: Start isEmpty. Operand 19246 states and 53154 transitions. [2022-01-28 12:54:14,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-28 12:54:14,184 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:14,185 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:14,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-28 12:54:14,185 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:14,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:14,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1976717757, now seen corresponding path program 6 times [2022-01-28 12:54:14,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:14,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760326346] [2022-01-28 12:54:14,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:14,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:14,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:14,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:14,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760326346] [2022-01-28 12:54:14,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760326346] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:14,291 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:14,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 12:54:14,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099129905] [2022-01-28 12:54:14,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:14,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 12:54:14,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:14,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 12:54:14,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:54:14,293 INFO L87 Difference]: Start difference. First operand 19246 states and 53154 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:14,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:14,545 INFO L93 Difference]: Finished difference Result 19795 states and 54576 transitions. [2022-01-28 12:54:14,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-28 12:54:14,546 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-28 12:54:14,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:14,587 INFO L225 Difference]: With dead ends: 19795 [2022-01-28 12:54:14,587 INFO L226 Difference]: Without dead ends: 19538 [2022-01-28 12:54:14,588 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2022-01-28 12:54:14,588 INFO L933 BasicCegarLoop]: 388 mSDtfsCounter, 193 mSDsluCounter, 2425 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 2775 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:14,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 2775 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 12:54:14,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19538 states. [2022-01-28 12:54:14,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19538 to 19250. [2022-01-28 12:54:14,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19250 states, 19249 states have (on average 2.7617538573432387) internal successors, (53161), 19249 states have internal predecessors, (53161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:15,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19250 states to 19250 states and 53161 transitions. [2022-01-28 12:54:15,019 INFO L78 Accepts]: Start accepts. Automaton has 19250 states and 53161 transitions. Word has length 193 [2022-01-28 12:54:15,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:15,019 INFO L470 AbstractCegarLoop]: Abstraction has 19250 states and 53161 transitions. [2022-01-28 12:54:15,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:15,020 INFO L276 IsEmpty]: Start isEmpty. Operand 19250 states and 53161 transitions. [2022-01-28 12:54:15,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-28 12:54:15,044 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:15,044 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:15,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-28 12:54:15,045 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:15,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:15,045 INFO L85 PathProgramCache]: Analyzing trace with hash 2115912059, now seen corresponding path program 7 times [2022-01-28 12:54:15,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:15,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033022840] [2022-01-28 12:54:15,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:15,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:15,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:15,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:15,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033022840] [2022-01-28 12:54:15,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033022840] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:15,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:15,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 12:54:15,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186482658] [2022-01-28 12:54:15,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:15,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 12:54:15,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:15,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 12:54:15,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:54:15,173 INFO L87 Difference]: Start difference. First operand 19250 states and 53161 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:15,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:15,446 INFO L93 Difference]: Finished difference Result 19766 states and 54494 transitions. [2022-01-28 12:54:15,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-28 12:54:15,446 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-28 12:54:15,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:15,484 INFO L225 Difference]: With dead ends: 19766 [2022-01-28 12:54:15,484 INFO L226 Difference]: Without dead ends: 19296 [2022-01-28 12:54:15,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2022-01-28 12:54:15,485 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 206 mSDsluCounter, 2472 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 2826 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:15,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [206 Valid, 2826 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 12:54:15,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19296 states. [2022-01-28 12:54:15,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19296 to 19040. [2022-01-28 12:54:15,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19040 states, 19039 states have (on average 2.7623299543043225) internal successors, (52592), 19039 states have internal predecessors, (52592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:15,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19040 states to 19040 states and 52592 transitions. [2022-01-28 12:54:15,992 INFO L78 Accepts]: Start accepts. Automaton has 19040 states and 52592 transitions. Word has length 193 [2022-01-28 12:54:15,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:15,992 INFO L470 AbstractCegarLoop]: Abstraction has 19040 states and 52592 transitions. [2022-01-28 12:54:15,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:15,993 INFO L276 IsEmpty]: Start isEmpty. Operand 19040 states and 52592 transitions. [2022-01-28 12:54:16,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-28 12:54:16,016 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:16,016 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:16,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-28 12:54:16,017 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:16,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:16,017 INFO L85 PathProgramCache]: Analyzing trace with hash 825578125, now seen corresponding path program 8 times [2022-01-28 12:54:16,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:16,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947193712] [2022-01-28 12:54:16,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:16,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:16,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:16,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947193712] [2022-01-28 12:54:16,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947193712] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:16,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:16,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 12:54:16,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401197964] [2022-01-28 12:54:16,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:16,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 12:54:16,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:16,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 12:54:16,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:54:16,131 INFO L87 Difference]: Start difference. First operand 19040 states and 52592 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:16,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:16,344 INFO L93 Difference]: Finished difference Result 19681 states and 54255 transitions. [2022-01-28 12:54:16,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 12:54:16,345 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-28 12:54:16,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:16,376 INFO L225 Difference]: With dead ends: 19681 [2022-01-28 12:54:16,376 INFO L226 Difference]: Without dead ends: 19396 [2022-01-28 12:54:16,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2022-01-28 12:54:16,378 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 146 mSDsluCounter, 1884 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 2178 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:16,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 2178 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 12:54:16,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19396 states. [2022-01-28 12:54:16,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19396 to 19044. [2022-01-28 12:54:16,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19044 states, 19043 states have (on average 2.762117313448511) internal successors, (52599), 19043 states have internal predecessors, (52599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:16,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19044 states to 19044 states and 52599 transitions. [2022-01-28 12:54:16,838 INFO L78 Accepts]: Start accepts. Automaton has 19044 states and 52599 transitions. Word has length 193 [2022-01-28 12:54:16,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:16,839 INFO L470 AbstractCegarLoop]: Abstraction has 19044 states and 52599 transitions. [2022-01-28 12:54:16,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:16,839 INFO L276 IsEmpty]: Start isEmpty. Operand 19044 states and 52599 transitions. [2022-01-28 12:54:16,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-28 12:54:16,873 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:16,873 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:16,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-28 12:54:16,873 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:16,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:16,874 INFO L85 PathProgramCache]: Analyzing trace with hash -539259761, now seen corresponding path program 9 times [2022-01-28 12:54:16,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:16,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63539096] [2022-01-28 12:54:16,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:16,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:16,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:16,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:16,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63539096] [2022-01-28 12:54:16,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63539096] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:16,994 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:16,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 12:54:16,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009425624] [2022-01-28 12:54:16,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:16,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 12:54:16,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:16,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 12:54:16,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:54:16,996 INFO L87 Difference]: Start difference. First operand 19044 states and 52599 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:17,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:17,261 INFO L93 Difference]: Finished difference Result 19601 states and 54043 transitions. [2022-01-28 12:54:17,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-01-28 12:54:17,261 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-28 12:54:17,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:17,303 INFO L225 Difference]: With dead ends: 19601 [2022-01-28 12:54:17,304 INFO L226 Difference]: Without dead ends: 19344 [2022-01-28 12:54:17,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2022-01-28 12:54:17,305 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 139 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 2348 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:17,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 2348 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 12:54:17,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19344 states. [2022-01-28 12:54:17,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19344 to 19048. [2022-01-28 12:54:17,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19048 states, 19047 states have (on average 2.761904761904762) internal successors, (52606), 19047 states have internal predecessors, (52606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:17,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19048 states to 19048 states and 52606 transitions. [2022-01-28 12:54:17,767 INFO L78 Accepts]: Start accepts. Automaton has 19048 states and 52606 transitions. Word has length 193 [2022-01-28 12:54:17,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:17,768 INFO L470 AbstractCegarLoop]: Abstraction has 19048 states and 52606 transitions. [2022-01-28 12:54:17,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:17,768 INFO L276 IsEmpty]: Start isEmpty. Operand 19048 states and 52606 transitions. [2022-01-28 12:54:17,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-28 12:54:17,791 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:17,792 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:17,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-28 12:54:17,792 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:17,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:17,792 INFO L85 PathProgramCache]: Analyzing trace with hash -400065459, now seen corresponding path program 10 times [2022-01-28 12:54:17,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:17,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132065768] [2022-01-28 12:54:17,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:17,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:17,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:17,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:17,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132065768] [2022-01-28 12:54:17,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132065768] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:17,905 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:17,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-28 12:54:17,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616543809] [2022-01-28 12:54:17,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:17,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 12:54:17,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:17,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 12:54:17,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-28 12:54:17,907 INFO L87 Difference]: Start difference. First operand 19048 states and 52606 transitions. Second operand has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:18,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:18,160 INFO L93 Difference]: Finished difference Result 19564 states and 53939 transitions. [2022-01-28 12:54:18,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-28 12:54:18,161 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-28 12:54:18,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:18,203 INFO L225 Difference]: With dead ends: 19564 [2022-01-28 12:54:18,203 INFO L226 Difference]: Without dead ends: 18684 [2022-01-28 12:54:18,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2022-01-28 12:54:18,204 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 137 mSDsluCounter, 2084 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 2365 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:18,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 2365 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-28 12:54:18,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18684 states. [2022-01-28 12:54:18,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18684 to 18428. [2022-01-28 12:54:18,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18428 states, 18427 states have (on average 2.763662017691431) internal successors, (50926), 18427 states have internal predecessors, (50926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:18,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18428 states to 18428 states and 50926 transitions. [2022-01-28 12:54:18,631 INFO L78 Accepts]: Start accepts. Automaton has 18428 states and 50926 transitions. Word has length 193 [2022-01-28 12:54:18,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:18,632 INFO L470 AbstractCegarLoop]: Abstraction has 18428 states and 50926 transitions. [2022-01-28 12:54:18,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.444444444444443) internal successors, (193), 9 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:18,632 INFO L276 IsEmpty]: Start isEmpty. Operand 18428 states and 50926 transitions. [2022-01-28 12:54:18,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-01-28 12:54:18,654 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:18,655 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:18,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-28 12:54:18,655 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:18,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:18,655 INFO L85 PathProgramCache]: Analyzing trace with hash 10836863, now seen corresponding path program 1 times [2022-01-28 12:54:18,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:18,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592639114] [2022-01-28 12:54:18,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:18,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:18,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:18,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:18,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592639114] [2022-01-28 12:54:18,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592639114] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:18,686 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:18,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 12:54:18,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881184211] [2022-01-28 12:54:18,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:18,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 12:54:18,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:18,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 12:54:18,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 12:54:18,687 INFO L87 Difference]: Start difference. First operand 18428 states and 50926 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:18,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:18,772 INFO L93 Difference]: Finished difference Result 18257 states and 50319 transitions. [2022-01-28 12:54:18,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 12:54:18,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 195 [2022-01-28 12:54:18,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:18,807 INFO L225 Difference]: With dead ends: 18257 [2022-01-28 12:54:18,807 INFO L226 Difference]: Without dead ends: 18257 [2022-01-28 12:54:18,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 12:54:18,808 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 162 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:18,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 455 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 12:54:18,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18257 states. [2022-01-28 12:54:19,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18257 to 18218. [2022-01-28 12:54:19,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18218 states, 18217 states have (on average 2.756655870889828) internal successors, (50218), 18217 states have internal predecessors, (50218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:19,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18218 states to 18218 states and 50218 transitions. [2022-01-28 12:54:19,326 INFO L78 Accepts]: Start accepts. Automaton has 18218 states and 50218 transitions. Word has length 195 [2022-01-28 12:54:19,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:19,326 INFO L470 AbstractCegarLoop]: Abstraction has 18218 states and 50218 transitions. [2022-01-28 12:54:19,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:19,326 INFO L276 IsEmpty]: Start isEmpty. Operand 18218 states and 50218 transitions. [2022-01-28 12:54:19,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-01-28 12:54:19,348 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:19,348 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:19,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-28 12:54:19,349 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:19,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:19,349 INFO L85 PathProgramCache]: Analyzing trace with hash -385728195, now seen corresponding path program 1 times [2022-01-28 12:54:19,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:19,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122038883] [2022-01-28 12:54:19,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:19,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:19,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:19,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:19,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122038883] [2022-01-28 12:54:19,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122038883] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:19,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:19,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 12:54:19,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7501059] [2022-01-28 12:54:19,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:19,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 12:54:19,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:19,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 12:54:19,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 12:54:19,380 INFO L87 Difference]: Start difference. First operand 18218 states and 50218 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:19,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:19,463 INFO L93 Difference]: Finished difference Result 18083 states and 49706 transitions. [2022-01-28 12:54:19,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 12:54:19,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 195 [2022-01-28 12:54:19,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:19,499 INFO L225 Difference]: With dead ends: 18083 [2022-01-28 12:54:19,499 INFO L226 Difference]: Without dead ends: 18083 [2022-01-28 12:54:19,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 12:54:19,500 INFO L933 BasicCegarLoop]: 310 mSDtfsCounter, 163 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:19,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 453 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 12:54:19,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18083 states. [2022-01-28 12:54:19,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18083 to 18083. [2022-01-28 12:54:19,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18083 states, 18082 states have (on average 2.7489215794712973) internal successors, (49706), 18082 states have internal predecessors, (49706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:19,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18083 states to 18083 states and 49706 transitions. [2022-01-28 12:54:19,927 INFO L78 Accepts]: Start accepts. Automaton has 18083 states and 49706 transitions. Word has length 195 [2022-01-28 12:54:19,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:19,927 INFO L470 AbstractCegarLoop]: Abstraction has 18083 states and 49706 transitions. [2022-01-28 12:54:19,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:19,927 INFO L276 IsEmpty]: Start isEmpty. Operand 18083 states and 49706 transitions. [2022-01-28 12:54:19,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:54:19,949 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:19,949 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:19,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-28 12:54:19,950 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:19,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:19,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1226716063, now seen corresponding path program 1 times [2022-01-28 12:54:19,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:19,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821627354] [2022-01-28 12:54:19,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:19,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:20,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:20,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:20,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821627354] [2022-01-28 12:54:20,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821627354] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:20,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:20,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:54:20,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263661737] [2022-01-28 12:54:20,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:20,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:54:20,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:20,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:54:20,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:54:20,347 INFO L87 Difference]: Start difference. First operand 18083 states and 49706 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:23,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:23,592 INFO L93 Difference]: Finished difference Result 30940 states and 84292 transitions. [2022-01-28 12:54:23,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-28 12:54:23,592 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:54:23,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:23,637 INFO L225 Difference]: With dead ends: 30940 [2022-01-28 12:54:23,637 INFO L226 Difference]: Without dead ends: 30940 [2022-01-28 12:54:23,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1026 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=693, Invalid=5007, Unknown=0, NotChecked=0, Total=5700 [2022-01-28 12:54:23,639 INFO L933 BasicCegarLoop]: 950 mSDtfsCounter, 2004 mSDsluCounter, 20794 mSDsCounter, 0 mSdLazyCounter, 4521 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2004 SdHoareTripleChecker+Valid, 21312 SdHoareTripleChecker+Invalid, 4542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:23,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2004 Valid, 21312 Invalid, 4542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4521 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 12:54:23,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30940 states. [2022-01-28 12:54:23,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30940 to 20351. [2022-01-28 12:54:24,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20351 states, 20350 states have (on average 2.7612285012285014) internal successors, (56191), 20350 states have internal predecessors, (56191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:24,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20351 states to 20351 states and 56191 transitions. [2022-01-28 12:54:24,050 INFO L78 Accepts]: Start accepts. Automaton has 20351 states and 56191 transitions. Word has length 199 [2022-01-28 12:54:24,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:24,050 INFO L470 AbstractCegarLoop]: Abstraction has 20351 states and 56191 transitions. [2022-01-28 12:54:24,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:24,050 INFO L276 IsEmpty]: Start isEmpty. Operand 20351 states and 56191 transitions. [2022-01-28 12:54:24,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:54:24,075 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:24,075 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:24,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-28 12:54:24,075 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:24,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:24,076 INFO L85 PathProgramCache]: Analyzing trace with hash -795081979, now seen corresponding path program 2 times [2022-01-28 12:54:24,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:24,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446114988] [2022-01-28 12:54:24,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:24,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:24,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:24,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:24,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446114988] [2022-01-28 12:54:24,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446114988] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:24,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:24,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:54:24,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322293732] [2022-01-28 12:54:24,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:24,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:54:24,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:24,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:54:24,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:54:24,467 INFO L87 Difference]: Start difference. First operand 20351 states and 56191 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:27,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:27,097 INFO L93 Difference]: Finished difference Result 29612 states and 80966 transitions. [2022-01-28 12:54:27,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-28 12:54:27,097 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:54:27,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:27,142 INFO L225 Difference]: With dead ends: 29612 [2022-01-28 12:54:27,142 INFO L226 Difference]: Without dead ends: 29612 [2022-01-28 12:54:27,144 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 887 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=607, Invalid=4505, Unknown=0, NotChecked=0, Total=5112 [2022-01-28 12:54:27,144 INFO L933 BasicCegarLoop]: 901 mSDtfsCounter, 1850 mSDsluCounter, 19530 mSDsCounter, 0 mSdLazyCounter, 4258 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1850 SdHoareTripleChecker+Valid, 20165 SdHoareTripleChecker+Invalid, 4279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:27,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1850 Valid, 20165 Invalid, 4279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4258 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 12:54:27,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29612 states. [2022-01-28 12:54:27,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29612 to 20602. [2022-01-28 12:54:27,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20602 states, 20601 states have (on average 2.760545604582302) internal successors, (56870), 20601 states have internal predecessors, (56870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:27,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20602 states to 20602 states and 56870 transitions. [2022-01-28 12:54:27,621 INFO L78 Accepts]: Start accepts. Automaton has 20602 states and 56870 transitions. Word has length 199 [2022-01-28 12:54:27,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:27,621 INFO L470 AbstractCegarLoop]: Abstraction has 20602 states and 56870 transitions. [2022-01-28 12:54:27,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:27,621 INFO L276 IsEmpty]: Start isEmpty. Operand 20602 states and 56870 transitions. [2022-01-28 12:54:27,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:54:27,646 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:27,646 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:27,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-28 12:54:27,646 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:27,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:27,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1128055391, now seen corresponding path program 3 times [2022-01-28 12:54:27,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:27,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294795233] [2022-01-28 12:54:27,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:27,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:27,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:27,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:27,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294795233] [2022-01-28 12:54:27,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294795233] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:27,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:27,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:54:27,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500436705] [2022-01-28 12:54:27,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:27,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:54:27,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:27,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:54:27,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:54:27,987 INFO L87 Difference]: Start difference. First operand 20602 states and 56870 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:30,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:30,638 INFO L93 Difference]: Finished difference Result 29212 states and 79945 transitions. [2022-01-28 12:54:30,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-28 12:54:30,638 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:54:30,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:30,679 INFO L225 Difference]: With dead ends: 29212 [2022-01-28 12:54:30,680 INFO L226 Difference]: Without dead ends: 29212 [2022-01-28 12:54:30,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=585, Invalid=4245, Unknown=0, NotChecked=0, Total=4830 [2022-01-28 12:54:30,681 INFO L933 BasicCegarLoop]: 896 mSDtfsCounter, 1673 mSDsluCounter, 19214 mSDsCounter, 0 mSdLazyCounter, 4216 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1673 SdHoareTripleChecker+Valid, 19854 SdHoareTripleChecker+Invalid, 4235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:30,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1673 Valid, 19854 Invalid, 4235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4216 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-28 12:54:30,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29212 states. [2022-01-28 12:54:30,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29212 to 20743. [2022-01-28 12:54:31,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20743 states, 20742 states have (on average 2.759569954681323) internal successors, (57239), 20742 states have internal predecessors, (57239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:31,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20743 states to 20743 states and 57239 transitions. [2022-01-28 12:54:31,055 INFO L78 Accepts]: Start accepts. Automaton has 20743 states and 57239 transitions. Word has length 199 [2022-01-28 12:54:31,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:31,055 INFO L470 AbstractCegarLoop]: Abstraction has 20743 states and 57239 transitions. [2022-01-28 12:54:31,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:31,055 INFO L276 IsEmpty]: Start isEmpty. Operand 20743 states and 57239 transitions. [2022-01-28 12:54:31,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:54:31,083 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:31,083 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:31,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-28 12:54:31,083 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:31,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:31,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1565625005, now seen corresponding path program 4 times [2022-01-28 12:54:31,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:31,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591756902] [2022-01-28 12:54:31,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:31,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:31,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:31,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:31,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591756902] [2022-01-28 12:54:31,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591756902] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:31,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:31,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:54:31,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675923232] [2022-01-28 12:54:31,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:31,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:54:31,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:31,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:54:31,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:54:31,582 INFO L87 Difference]: Start difference. First operand 20743 states and 57239 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:34,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:34,250 INFO L93 Difference]: Finished difference Result 30570 states and 83337 transitions. [2022-01-28 12:54:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-28 12:54:34,250 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:54:34,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:34,307 INFO L225 Difference]: With dead ends: 30570 [2022-01-28 12:54:34,307 INFO L226 Difference]: Without dead ends: 30570 [2022-01-28 12:54:34,309 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 843 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=601, Invalid=4369, Unknown=0, NotChecked=0, Total=4970 [2022-01-28 12:54:34,309 INFO L933 BasicCegarLoop]: 909 mSDtfsCounter, 1756 mSDsluCounter, 19472 mSDsCounter, 0 mSdLazyCounter, 4149 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 20124 SdHoareTripleChecker+Invalid, 4168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:34,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1756 Valid, 20124 Invalid, 4168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4149 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-28 12:54:34,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30570 states. [2022-01-28 12:54:34,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30570 to 20790. [2022-01-28 12:54:34,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20790 states, 20789 states have (on average 2.759247679061042) internal successors, (57362), 20789 states have internal predecessors, (57362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:34,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20790 states to 20790 states and 57362 transitions. [2022-01-28 12:54:34,695 INFO L78 Accepts]: Start accepts. Automaton has 20790 states and 57362 transitions. Word has length 199 [2022-01-28 12:54:34,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:34,696 INFO L470 AbstractCegarLoop]: Abstraction has 20790 states and 57362 transitions. [2022-01-28 12:54:34,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:34,696 INFO L276 IsEmpty]: Start isEmpty. Operand 20790 states and 57362 transitions. [2022-01-28 12:54:34,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:54:34,722 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:34,722 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:34,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-28 12:54:34,722 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:34,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:34,723 INFO L85 PathProgramCache]: Analyzing trace with hash 2128110973, now seen corresponding path program 5 times [2022-01-28 12:54:34,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:34,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832861549] [2022-01-28 12:54:34,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:34,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:35,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:35,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:35,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832861549] [2022-01-28 12:54:35,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832861549] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:35,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:35,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:54:35,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800937834] [2022-01-28 12:54:35,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:35,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:54:35,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:35,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:54:35,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:54:35,065 INFO L87 Difference]: Start difference. First operand 20790 states and 57362 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:37,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:37,642 INFO L93 Difference]: Finished difference Result 31813 states and 86509 transitions. [2022-01-28 12:54:37,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-28 12:54:37,642 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:54:37,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:37,692 INFO L225 Difference]: With dead ends: 31813 [2022-01-28 12:54:37,692 INFO L226 Difference]: Without dead ends: 31813 [2022-01-28 12:54:37,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 883 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=614, Invalid=4498, Unknown=0, NotChecked=0, Total=5112 [2022-01-28 12:54:37,694 INFO L933 BasicCegarLoop]: 946 mSDtfsCounter, 1756 mSDsluCounter, 20195 mSDsCounter, 0 mSdLazyCounter, 4145 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 20866 SdHoareTripleChecker+Invalid, 4164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:37,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1756 Valid, 20866 Invalid, 4164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4145 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-28 12:54:37,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31813 states. [2022-01-28 12:54:38,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31813 to 21401. [2022-01-28 12:54:38,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21401 states, 21400 states have (on average 2.7551869158878506) internal successors, (58961), 21400 states have internal predecessors, (58961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:38,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21401 states to 21401 states and 58961 transitions. [2022-01-28 12:54:38,099 INFO L78 Accepts]: Start accepts. Automaton has 21401 states and 58961 transitions. Word has length 199 [2022-01-28 12:54:38,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:38,100 INFO L470 AbstractCegarLoop]: Abstraction has 21401 states and 58961 transitions. [2022-01-28 12:54:38,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:38,100 INFO L276 IsEmpty]: Start isEmpty. Operand 21401 states and 58961 transitions. [2022-01-28 12:54:38,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:54:38,127 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:38,127 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:38,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-28 12:54:38,127 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:38,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:38,128 INFO L85 PathProgramCache]: Analyzing trace with hash -249094141, now seen corresponding path program 6 times [2022-01-28 12:54:38,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:38,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574411246] [2022-01-28 12:54:38,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:38,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:38,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:38,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:38,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574411246] [2022-01-28 12:54:38,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574411246] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:38,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:38,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:54:38,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931412209] [2022-01-28 12:54:38,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:38,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:54:38,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:38,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:54:38,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:54:38,535 INFO L87 Difference]: Start difference. First operand 21401 states and 58961 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:41,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:41,189 INFO L93 Difference]: Finished difference Result 32471 states and 88231 transitions. [2022-01-28 12:54:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-28 12:54:41,190 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:54:41,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:41,249 INFO L225 Difference]: With dead ends: 32471 [2022-01-28 12:54:41,249 INFO L226 Difference]: Without dead ends: 32471 [2022-01-28 12:54:41,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=610, Invalid=4502, Unknown=0, NotChecked=0, Total=5112 [2022-01-28 12:54:41,252 INFO L933 BasicCegarLoop]: 950 mSDtfsCounter, 1786 mSDsluCounter, 20339 mSDsCounter, 0 mSdLazyCounter, 4145 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 21014 SdHoareTripleChecker+Invalid, 4164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:41,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1786 Valid, 21014 Invalid, 4164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4145 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-28 12:54:41,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32471 states. [2022-01-28 12:54:41,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32471 to 21448. [2022-01-28 12:54:41,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21448 states, 21447 states have (on average 2.7548841329789715) internal successors, (59084), 21447 states have internal predecessors, (59084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:41,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21448 states to 21448 states and 59084 transitions. [2022-01-28 12:54:41,675 INFO L78 Accepts]: Start accepts. Automaton has 21448 states and 59084 transitions. Word has length 199 [2022-01-28 12:54:41,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:41,675 INFO L470 AbstractCegarLoop]: Abstraction has 21448 states and 59084 transitions. [2022-01-28 12:54:41,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 21448 states and 59084 transitions. [2022-01-28 12:54:41,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:54:41,703 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:41,703 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:41,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-28 12:54:41,703 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:41,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:41,704 INFO L85 PathProgramCache]: Analyzing trace with hash -816277943, now seen corresponding path program 7 times [2022-01-28 12:54:41,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:41,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680666048] [2022-01-28 12:54:41,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:41,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:42,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:42,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:42,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680666048] [2022-01-28 12:54:42,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680666048] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:42,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:42,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:54:42,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764722404] [2022-01-28 12:54:42,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:42,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:54:42,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:42,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:54:42,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:54:42,049 INFO L87 Difference]: Start difference. First operand 21448 states and 59084 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:44,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:44,589 INFO L93 Difference]: Finished difference Result 32659 states and 88723 transitions. [2022-01-28 12:54:44,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-28 12:54:44,590 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:54:44,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:44,664 INFO L225 Difference]: With dead ends: 32659 [2022-01-28 12:54:44,664 INFO L226 Difference]: Without dead ends: 32659 [2022-01-28 12:54:44,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 887 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=606, Invalid=4506, Unknown=0, NotChecked=0, Total=5112 [2022-01-28 12:54:44,666 INFO L933 BasicCegarLoop]: 952 mSDtfsCounter, 1774 mSDsluCounter, 20457 mSDsCounter, 0 mSdLazyCounter, 3961 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 21134 SdHoareTripleChecker+Invalid, 3980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 3961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:44,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1774 Valid, 21134 Invalid, 3980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3961 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-28 12:54:44,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32659 states. [2022-01-28 12:54:45,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32659 to 21589. [2022-01-28 12:54:45,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21589 states, 21588 states have (on average 2.7539836946451732) internal successors, (59453), 21588 states have internal predecessors, (59453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:45,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21589 states to 21589 states and 59453 transitions. [2022-01-28 12:54:45,178 INFO L78 Accepts]: Start accepts. Automaton has 21589 states and 59453 transitions. Word has length 199 [2022-01-28 12:54:45,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:45,178 INFO L470 AbstractCegarLoop]: Abstraction has 21589 states and 59453 transitions. [2022-01-28 12:54:45,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:45,178 INFO L276 IsEmpty]: Start isEmpty. Operand 21589 states and 59453 transitions. [2022-01-28 12:54:45,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:54:45,212 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:45,212 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:45,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-28 12:54:45,213 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:45,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:45,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1071114681, now seen corresponding path program 8 times [2022-01-28 12:54:45,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:45,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314991453] [2022-01-28 12:54:45,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:45,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:45,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:45,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:45,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314991453] [2022-01-28 12:54:45,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314991453] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:45,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:45,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:54:45,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958770390] [2022-01-28 12:54:45,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:45,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:54:45,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:45,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:54:45,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:54:45,589 INFO L87 Difference]: Start difference. First operand 21589 states and 59453 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:48,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:48,115 INFO L93 Difference]: Finished difference Result 32941 states and 89461 transitions. [2022-01-28 12:54:48,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-28 12:54:48,116 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:54:48,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:48,177 INFO L225 Difference]: With dead ends: 32941 [2022-01-28 12:54:48,178 INFO L226 Difference]: Without dead ends: 32941 [2022-01-28 12:54:48,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=619, Invalid=4637, Unknown=0, NotChecked=0, Total=5256 [2022-01-28 12:54:48,180 INFO L933 BasicCegarLoop]: 954 mSDtfsCounter, 1789 mSDsluCounter, 20560 mSDsCounter, 0 mSdLazyCounter, 3838 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1789 SdHoareTripleChecker+Valid, 21239 SdHoareTripleChecker+Invalid, 3857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 3838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:48,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1789 Valid, 21239 Invalid, 3857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3838 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-28 12:54:48,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32941 states. [2022-01-28 12:54:48,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32941 to 21730. [2022-01-28 12:54:48,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21730 states, 21729 states have (on average 2.7530949422430853) internal successors, (59822), 21729 states have internal predecessors, (59822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:48,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21730 states to 21730 states and 59822 transitions. [2022-01-28 12:54:48,743 INFO L78 Accepts]: Start accepts. Automaton has 21730 states and 59822 transitions. Word has length 199 [2022-01-28 12:54:48,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:48,743 INFO L470 AbstractCegarLoop]: Abstraction has 21730 states and 59822 transitions. [2022-01-28 12:54:48,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:48,744 INFO L276 IsEmpty]: Start isEmpty. Operand 21730 states and 59822 transitions. [2022-01-28 12:54:48,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:54:48,783 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:48,784 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:48,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-28 12:54:48,784 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:48,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:48,799 INFO L85 PathProgramCache]: Analyzing trace with hash 700681267, now seen corresponding path program 9 times [2022-01-28 12:54:48,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:48,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204926995] [2022-01-28 12:54:48,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:48,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:49,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:49,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:49,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204926995] [2022-01-28 12:54:49,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204926995] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:49,244 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:49,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:54:49,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982560198] [2022-01-28 12:54:49,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:49,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:54:49,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:49,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:54:49,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:54:49,246 INFO L87 Difference]: Start difference. First operand 21730 states and 59822 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:51,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:51,909 INFO L93 Difference]: Finished difference Result 28372 states and 77421 transitions. [2022-01-28 12:54:51,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-28 12:54:51,909 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:54:51,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:51,958 INFO L225 Difference]: With dead ends: 28372 [2022-01-28 12:54:51,959 INFO L226 Difference]: Without dead ends: 28372 [2022-01-28 12:54:51,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 769 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=567, Invalid=4125, Unknown=0, NotChecked=0, Total=4692 [2022-01-28 12:54:51,961 INFO L933 BasicCegarLoop]: 871 mSDtfsCounter, 1624 mSDsluCounter, 18727 mSDsCounter, 0 mSdLazyCounter, 3474 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1624 SdHoareTripleChecker+Valid, 19317 SdHoareTripleChecker+Invalid, 3493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 3474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:51,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1624 Valid, 19317 Invalid, 3493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3474 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-28 12:54:52,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28372 states. [2022-01-28 12:54:52,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28372 to 21871. [2022-01-28 12:54:52,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21871 states, 21870 states have (on average 2.752217649748514) internal successors, (60191), 21870 states have internal predecessors, (60191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:52,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21871 states to 21871 states and 60191 transitions. [2022-01-28 12:54:52,437 INFO L78 Accepts]: Start accepts. Automaton has 21871 states and 60191 transitions. Word has length 199 [2022-01-28 12:54:52,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:52,438 INFO L470 AbstractCegarLoop]: Abstraction has 21871 states and 60191 transitions. [2022-01-28 12:54:52,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:52,438 INFO L276 IsEmpty]: Start isEmpty. Operand 21871 states and 60191 transitions. [2022-01-28 12:54:52,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:54:52,475 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:52,475 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:52,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-28 12:54:52,476 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:52,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:52,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1610893309, now seen corresponding path program 10 times [2022-01-28 12:54:52,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:52,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509156677] [2022-01-28 12:54:52,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:52,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:52,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:52,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:52,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509156677] [2022-01-28 12:54:52,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509156677] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:52,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:52,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:54:52,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723251278] [2022-01-28 12:54:52,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:52,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:54:52,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:52,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:54:52,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:54:52,941 INFO L87 Difference]: Start difference. First operand 21871 states and 60191 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:55,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:54:55,942 INFO L93 Difference]: Finished difference Result 36709 states and 100073 transitions. [2022-01-28 12:54:55,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 12:54:55,943 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:54:55,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:54:56,232 INFO L225 Difference]: With dead ends: 36709 [2022-01-28 12:54:56,232 INFO L226 Difference]: Without dead ends: 36709 [2022-01-28 12:54:56,233 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1065 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=646, Invalid=5054, Unknown=0, NotChecked=0, Total=5700 [2022-01-28 12:54:56,233 INFO L933 BasicCegarLoop]: 923 mSDtfsCounter, 1881 mSDsluCounter, 20342 mSDsCounter, 0 mSdLazyCounter, 4672 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1881 SdHoareTripleChecker+Valid, 20947 SdHoareTripleChecker+Invalid, 4693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:54:56,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1881 Valid, 20947 Invalid, 4693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4672 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 12:54:56,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36709 states. [2022-01-28 12:54:56,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36709 to 22447. [2022-01-28 12:54:56,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22447 states, 22446 states have (on average 2.756615878107458) internal successors, (61875), 22446 states have internal predecessors, (61875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:56,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22447 states to 22447 states and 61875 transitions. [2022-01-28 12:54:56,641 INFO L78 Accepts]: Start accepts. Automaton has 22447 states and 61875 transitions. Word has length 199 [2022-01-28 12:54:56,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:54:56,642 INFO L470 AbstractCegarLoop]: Abstraction has 22447 states and 61875 transitions. [2022-01-28 12:54:56,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:54:56,642 INFO L276 IsEmpty]: Start isEmpty. Operand 22447 states and 61875 transitions. [2022-01-28 12:54:56,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:54:56,670 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:54:56,670 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:54:56,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-28 12:54:56,671 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:54:56,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:54:56,672 INFO L85 PathProgramCache]: Analyzing trace with hash -410904733, now seen corresponding path program 11 times [2022-01-28 12:54:56,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:54:56,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537613873] [2022-01-28 12:54:56,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:54:56,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:54:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:54:57,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:54:57,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:54:57,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537613873] [2022-01-28 12:54:57,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537613873] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:54:57,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:54:57,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:54:57,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693168709] [2022-01-28 12:54:57,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:54:57,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:54:57,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:54:57,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:54:57,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:54:57,137 INFO L87 Difference]: Start difference. First operand 22447 states and 61875 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:00,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:00,047 INFO L93 Difference]: Finished difference Result 35668 states and 97515 transitions. [2022-01-28 12:55:00,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-28 12:55:00,047 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:55:00,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:00,111 INFO L225 Difference]: With dead ends: 35668 [2022-01-28 12:55:00,111 INFO L226 Difference]: Without dead ends: 35668 [2022-01-28 12:55:00,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1218 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=665, Invalid=5497, Unknown=0, NotChecked=0, Total=6162 [2022-01-28 12:55:00,113 INFO L933 BasicCegarLoop]: 924 mSDtfsCounter, 1847 mSDsluCounter, 20164 mSDsCounter, 0 mSdLazyCounter, 4539 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1847 SdHoareTripleChecker+Valid, 20860 SdHoareTripleChecker+Invalid, 4560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:00,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1847 Valid, 20860 Invalid, 4560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4539 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 12:55:00,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35668 states. [2022-01-28 12:55:00,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35668 to 22383. [2022-01-28 12:55:00,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22383 states, 22382 states have (on average 2.755205075507104) internal successors, (61667), 22382 states have internal predecessors, (61667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:00,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22383 states to 22383 states and 61667 transitions. [2022-01-28 12:55:00,651 INFO L78 Accepts]: Start accepts. Automaton has 22383 states and 61667 transitions. Word has length 199 [2022-01-28 12:55:00,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:00,651 INFO L470 AbstractCegarLoop]: Abstraction has 22383 states and 61667 transitions. [2022-01-28 12:55:00,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:00,652 INFO L276 IsEmpty]: Start isEmpty. Operand 22383 states and 61667 transitions. [2022-01-28 12:55:00,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:55:00,688 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:00,688 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:00,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-01-28 12:55:00,688 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:00,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:00,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1512232637, now seen corresponding path program 12 times [2022-01-28 12:55:00,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:00,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283351676] [2022-01-28 12:55:00,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:00,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:01,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:01,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:01,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283351676] [2022-01-28 12:55:01,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283351676] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:01,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:01,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:55:01,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482803195] [2022-01-28 12:55:01,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:01,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:55:01,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:01,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:55:01,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:55:01,044 INFO L87 Difference]: Start difference. First operand 22383 states and 61667 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:03,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:03,969 INFO L93 Difference]: Finished difference Result 34539 states and 94612 transitions. [2022-01-28 12:55:03,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-28 12:55:03,969 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:55:03,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:04,035 INFO L225 Difference]: With dead ends: 34539 [2022-01-28 12:55:04,035 INFO L226 Difference]: Without dead ends: 34539 [2022-01-28 12:55:04,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 987 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=598, Invalid=4804, Unknown=0, NotChecked=0, Total=5402 [2022-01-28 12:55:04,036 INFO L933 BasicCegarLoop]: 921 mSDtfsCounter, 1645 mSDsluCounter, 19913 mSDsCounter, 0 mSdLazyCounter, 4465 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1645 SdHoareTripleChecker+Valid, 20613 SdHoareTripleChecker+Invalid, 4484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:04,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1645 Valid, 20613 Invalid, 4484 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 4465 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 12:55:04,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34539 states. [2022-01-28 12:55:04,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34539 to 22335. [2022-01-28 12:55:04,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22335 states, 22334 states have (on average 2.7546789648070207) internal successors, (61523), 22334 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:04,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22335 states to 22335 states and 61523 transitions. [2022-01-28 12:55:04,700 INFO L78 Accepts]: Start accepts. Automaton has 22335 states and 61523 transitions. Word has length 199 [2022-01-28 12:55:04,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:04,701 INFO L470 AbstractCegarLoop]: Abstraction has 22335 states and 61523 transitions. [2022-01-28 12:55:04,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:04,701 INFO L276 IsEmpty]: Start isEmpty. Operand 22335 states and 61523 transitions. [2022-01-28 12:55:04,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:55:04,725 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:04,725 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:04,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-01-28 12:55:04,726 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:04,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:04,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1181447759, now seen corresponding path program 13 times [2022-01-28 12:55:04,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:04,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278178024] [2022-01-28 12:55:04,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:04,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:05,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:05,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:05,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278178024] [2022-01-28 12:55:05,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278178024] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:05,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:05,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:55:05,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110981271] [2022-01-28 12:55:05,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:05,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:55:05,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:05,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:55:05,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:55:05,164 INFO L87 Difference]: Start difference. First operand 22335 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:07,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:07,807 INFO L93 Difference]: Finished difference Result 35897 states and 98004 transitions. [2022-01-28 12:55:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-28 12:55:07,807 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:55:07,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:08,010 INFO L225 Difference]: With dead ends: 35897 [2022-01-28 12:55:08,010 INFO L226 Difference]: Without dead ends: 35897 [2022-01-28 12:55:08,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 990 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=593, Invalid=4809, Unknown=0, NotChecked=0, Total=5402 [2022-01-28 12:55:08,012 INFO L933 BasicCegarLoop]: 934 mSDtfsCounter, 1701 mSDsluCounter, 20228 mSDsCounter, 0 mSdLazyCounter, 4378 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 20939 SdHoareTripleChecker+Invalid, 4397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:08,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1701 Valid, 20939 Invalid, 4397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4378 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-28 12:55:08,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35897 states. [2022-01-28 12:55:08,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35897 to 22319. [2022-01-28 12:55:08,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22319 states, 22318 states have (on average 2.754503091674881) internal successors, (61475), 22318 states have internal predecessors, (61475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:08,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22319 states to 22319 states and 61475 transitions. [2022-01-28 12:55:08,478 INFO L78 Accepts]: Start accepts. Automaton has 22319 states and 61475 transitions. Word has length 199 [2022-01-28 12:55:08,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:08,478 INFO L470 AbstractCegarLoop]: Abstraction has 22319 states and 61475 transitions. [2022-01-28 12:55:08,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:08,478 INFO L276 IsEmpty]: Start isEmpty. Operand 22319 states and 61475 transitions. [2022-01-28 12:55:08,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:55:08,507 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:08,507 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:08,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-01-28 12:55:08,507 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:08,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:08,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1782679077, now seen corresponding path program 14 times [2022-01-28 12:55:08,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:08,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709194996] [2022-01-28 12:55:08,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:08,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:08,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:08,878 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:08,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709194996] [2022-01-28 12:55:08,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709194996] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:08,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:08,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:55:08,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509272368] [2022-01-28 12:55:08,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:08,879 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:55:08,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:08,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:55:08,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:55:08,880 INFO L87 Difference]: Start difference. First operand 22319 states and 61475 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:11,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:11,592 INFO L93 Difference]: Finished difference Result 34890 states and 95146 transitions. [2022-01-28 12:55:11,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-28 12:55:11,593 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:55:11,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:11,652 INFO L225 Difference]: With dead ends: 34890 [2022-01-28 12:55:11,652 INFO L226 Difference]: Without dead ends: 34890 [2022-01-28 12:55:11,653 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 908 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=561, Invalid=4551, Unknown=0, NotChecked=0, Total=5112 [2022-01-28 12:55:11,654 INFO L933 BasicCegarLoop]: 981 mSDtfsCounter, 1593 mSDsluCounter, 21261 mSDsCounter, 0 mSdLazyCounter, 4405 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1593 SdHoareTripleChecker+Valid, 21998 SdHoareTripleChecker+Invalid, 4424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:11,654 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1593 Valid, 21998 Invalid, 4424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4405 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 12:55:11,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34890 states. [2022-01-28 12:55:12,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34890 to 22111. [2022-01-28 12:55:12,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22111 states, 22110 states have (on average 2.752193577566712) internal successors, (60851), 22110 states have internal predecessors, (60851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:12,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22111 states to 22111 states and 60851 transitions. [2022-01-28 12:55:12,167 INFO L78 Accepts]: Start accepts. Automaton has 22111 states and 60851 transitions. Word has length 199 [2022-01-28 12:55:12,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:12,167 INFO L470 AbstractCegarLoop]: Abstraction has 22111 states and 60851 transitions. [2022-01-28 12:55:12,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:12,167 INFO L276 IsEmpty]: Start isEmpty. Operand 22111 states and 60851 transitions. [2022-01-28 12:55:12,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:55:12,197 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:12,197 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:12,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-01-28 12:55:12,197 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:12,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:12,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1089079169, now seen corresponding path program 15 times [2022-01-28 12:55:12,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:12,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796997182] [2022-01-28 12:55:12,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:12,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:12,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:12,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:12,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796997182] [2022-01-28 12:55:12,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796997182] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:12,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:12,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:55:12,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596378828] [2022-01-28 12:55:12,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:12,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:55:12,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:12,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:55:12,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:55:12,555 INFO L87 Difference]: Start difference. First operand 22111 states and 60851 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:15,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:15,353 INFO L93 Difference]: Finished difference Result 30232 states and 82639 transitions. [2022-01-28 12:55:15,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-28 12:55:15,353 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:55:15,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:15,400 INFO L225 Difference]: With dead ends: 30232 [2022-01-28 12:55:15,400 INFO L226 Difference]: Without dead ends: 30232 [2022-01-28 12:55:15,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 688 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=563, Invalid=3859, Unknown=0, NotChecked=0, Total=4422 [2022-01-28 12:55:15,401 INFO L933 BasicCegarLoop]: 802 mSDtfsCounter, 1518 mSDsluCounter, 17201 mSDsCounter, 0 mSdLazyCounter, 4068 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1518 SdHoareTripleChecker+Valid, 17827 SdHoareTripleChecker+Invalid, 4089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:15,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1518 Valid, 17827 Invalid, 4089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4068 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-28 12:55:15,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30232 states. [2022-01-28 12:55:15,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30232 to 22271. [2022-01-28 12:55:15,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22271 states, 22270 states have (on average 2.7541535698248767) internal successors, (61335), 22270 states have internal predecessors, (61335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:15,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22271 states to 22271 states and 61335 transitions. [2022-01-28 12:55:15,935 INFO L78 Accepts]: Start accepts. Automaton has 22271 states and 61335 transitions. Word has length 199 [2022-01-28 12:55:15,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:15,936 INFO L470 AbstractCegarLoop]: Abstraction has 22271 states and 61335 transitions. [2022-01-28 12:55:15,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:15,936 INFO L276 IsEmpty]: Start isEmpty. Operand 22271 states and 61335 transitions. [2022-01-28 12:55:15,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:55:15,969 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:15,970 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:15,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-01-28 12:55:15,970 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:15,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:15,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1184090085, now seen corresponding path program 16 times [2022-01-28 12:55:15,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:15,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842636245] [2022-01-28 12:55:15,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:15,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:16,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:16,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:16,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842636245] [2022-01-28 12:55:16,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842636245] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:16,395 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:16,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:55:16,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582391206] [2022-01-28 12:55:16,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:16,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:55:16,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:16,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:55:16,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:55:16,396 INFO L87 Difference]: Start difference. First operand 22271 states and 61335 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:19,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:19,602 INFO L93 Difference]: Finished difference Result 30134 states and 82524 transitions. [2022-01-28 12:55:19,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-28 12:55:19,603 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:55:19,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:19,663 INFO L225 Difference]: With dead ends: 30134 [2022-01-28 12:55:19,664 INFO L226 Difference]: Without dead ends: 30134 [2022-01-28 12:55:19,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=592, Invalid=4378, Unknown=0, NotChecked=0, Total=4970 [2022-01-28 12:55:19,666 INFO L933 BasicCegarLoop]: 820 mSDtfsCounter, 1538 mSDsluCounter, 17435 mSDsCounter, 0 mSdLazyCounter, 4113 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1538 SdHoareTripleChecker+Valid, 18149 SdHoareTripleChecker+Invalid, 4134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:19,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1538 Valid, 18149 Invalid, 4134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4113 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 12:55:19,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30134 states. [2022-01-28 12:55:20,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30134 to 22219. [2022-01-28 12:55:20,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22219 states, 22218 states have (on average 2.753263119992799) internal successors, (61172), 22218 states have internal predecessors, (61172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:20,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22219 states to 22219 states and 61172 transitions. [2022-01-28 12:55:20,109 INFO L78 Accepts]: Start accepts. Automaton has 22219 states and 61172 transitions. Word has length 199 [2022-01-28 12:55:20,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:20,110 INFO L470 AbstractCegarLoop]: Abstraction has 22219 states and 61172 transitions. [2022-01-28 12:55:20,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:20,110 INFO L276 IsEmpty]: Start isEmpty. Operand 22219 states and 61172 transitions. [2022-01-28 12:55:20,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:55:20,237 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:20,238 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:20,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-01-28 12:55:20,238 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:20,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:20,238 INFO L85 PathProgramCache]: Analyzing trace with hash 806892861, now seen corresponding path program 17 times [2022-01-28 12:55:20,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:20,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986909431] [2022-01-28 12:55:20,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:20,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:20,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:20,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:20,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986909431] [2022-01-28 12:55:20,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986909431] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:20,626 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:20,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:55:20,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14657955] [2022-01-28 12:55:20,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:20,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:55:20,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:20,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:55:20,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:55:20,628 INFO L87 Difference]: Start difference. First operand 22219 states and 61172 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:23,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:23,042 INFO L93 Difference]: Finished difference Result 27868 states and 76163 transitions. [2022-01-28 12:55:23,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-28 12:55:23,043 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:55:23,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:23,086 INFO L225 Difference]: With dead ends: 27868 [2022-01-28 12:55:23,087 INFO L226 Difference]: Without dead ends: 27868 [2022-01-28 12:55:23,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=540, Invalid=3620, Unknown=0, NotChecked=0, Total=4160 [2022-01-28 12:55:23,087 INFO L933 BasicCegarLoop]: 781 mSDtfsCounter, 1434 mSDsluCounter, 16646 mSDsCounter, 0 mSdLazyCounter, 3773 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1434 SdHoareTripleChecker+Valid, 17270 SdHoareTripleChecker+Invalid, 3792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 3773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:23,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1434 Valid, 17270 Invalid, 3792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 3773 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-28 12:55:23,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27868 states. [2022-01-28 12:55:23,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27868 to 22351. [2022-01-28 12:55:23,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:23,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-01-28 12:55:23,559 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-01-28 12:55:23,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:23,559 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-01-28 12:55:23,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:23,559 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-01-28 12:55:23,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:55:23,587 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:23,587 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:23,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-01-28 12:55:23,588 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:23,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:23,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1169599549, now seen corresponding path program 18 times [2022-01-28 12:55:23,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:23,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776029744] [2022-01-28 12:55:23,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:23,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:23,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:23,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:23,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776029744] [2022-01-28 12:55:23,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776029744] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:23,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:23,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:55:23,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040072214] [2022-01-28 12:55:23,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:23,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:55:23,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:23,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:55:23,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:55:23,963 INFO L87 Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:26,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:26,505 INFO L93 Difference]: Finished difference Result 30824 states and 84229 transitions. [2022-01-28 12:55:26,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-28 12:55:26,505 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:55:26,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:26,560 INFO L225 Difference]: With dead ends: 30824 [2022-01-28 12:55:26,560 INFO L226 Difference]: Without dead ends: 30824 [2022-01-28 12:55:26,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 772 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=562, Invalid=4130, Unknown=0, NotChecked=0, Total=4692 [2022-01-28 12:55:26,562 INFO L933 BasicCegarLoop]: 839 mSDtfsCounter, 1546 mSDsluCounter, 18164 mSDsCounter, 0 mSdLazyCounter, 4287 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1546 SdHoareTripleChecker+Valid, 18779 SdHoareTripleChecker+Invalid, 4308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:26,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1546 Valid, 18779 Invalid, 4308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4287 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-28 12:55:26,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30824 states. [2022-01-28 12:55:26,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30824 to 22463. [2022-01-28 12:55:26,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22463 states, 22462 states have (on average 2.7546523016650344) internal successors, (61875), 22462 states have internal predecessors, (61875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:27,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22463 states to 22463 states and 61875 transitions. [2022-01-28 12:55:27,057 INFO L78 Accepts]: Start accepts. Automaton has 22463 states and 61875 transitions. Word has length 199 [2022-01-28 12:55:27,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:27,057 INFO L470 AbstractCegarLoop]: Abstraction has 22463 states and 61875 transitions. [2022-01-28 12:55:27,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:27,058 INFO L276 IsEmpty]: Start isEmpty. Operand 22463 states and 61875 transitions. [2022-01-28 12:55:27,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:55:27,099 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:27,099 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:27,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-01-28 12:55:27,099 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:27,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:27,100 INFO L85 PathProgramCache]: Analyzing trace with hash -852198493, now seen corresponding path program 19 times [2022-01-28 12:55:27,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:27,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426238397] [2022-01-28 12:55:27,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:27,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:27,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:27,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:27,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426238397] [2022-01-28 12:55:27,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426238397] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:27,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:27,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:55:27,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986375221] [2022-01-28 12:55:27,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:27,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:55:27,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:27,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:55:27,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:55:27,459 INFO L87 Difference]: Start difference. First operand 22463 states and 61875 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:30,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:30,113 INFO L93 Difference]: Finished difference Result 30618 states and 83846 transitions. [2022-01-28 12:55:30,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 12:55:30,113 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:55:30,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:30,166 INFO L225 Difference]: With dead ends: 30618 [2022-01-28 12:55:30,166 INFO L226 Difference]: Without dead ends: 30618 [2022-01-28 12:55:30,167 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 895 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=584, Invalid=4528, Unknown=0, NotChecked=0, Total=5112 [2022-01-28 12:55:30,167 INFO L933 BasicCegarLoop]: 877 mSDtfsCounter, 1547 mSDsluCounter, 18866 mSDsCounter, 0 mSdLazyCounter, 4301 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1547 SdHoareTripleChecker+Valid, 19568 SdHoareTripleChecker+Invalid, 4322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:30,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1547 Valid, 19568 Invalid, 4322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4301 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-28 12:55:30,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30618 states. [2022-01-28 12:55:30,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30618 to 22399. [2022-01-28 12:55:30,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22399 states, 22398 states have (on average 2.753236896151442) internal successors, (61667), 22398 states have internal predecessors, (61667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:30,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 61667 transitions. [2022-01-28 12:55:30,676 INFO L78 Accepts]: Start accepts. Automaton has 22399 states and 61667 transitions. Word has length 199 [2022-01-28 12:55:30,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:30,676 INFO L470 AbstractCegarLoop]: Abstraction has 22399 states and 61667 transitions. [2022-01-28 12:55:30,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:30,677 INFO L276 IsEmpty]: Start isEmpty. Operand 22399 states and 61667 transitions. [2022-01-28 12:55:30,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:55:30,706 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:30,706 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:30,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-01-28 12:55:30,707 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:30,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:30,707 INFO L85 PathProgramCache]: Analyzing trace with hash -502744609, now seen corresponding path program 20 times [2022-01-28 12:55:30,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:30,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255288562] [2022-01-28 12:55:30,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:30,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:31,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:31,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:31,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255288562] [2022-01-28 12:55:31,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255288562] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:31,054 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:31,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:55:31,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31328244] [2022-01-28 12:55:31,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:31,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:55:31,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:31,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:55:31,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:55:31,056 INFO L87 Difference]: Start difference. First operand 22399 states and 61667 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:33,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:33,516 INFO L93 Difference]: Finished difference Result 28088 states and 76925 transitions. [2022-01-28 12:55:33,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-28 12:55:33,516 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:55:33,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:33,554 INFO L225 Difference]: With dead ends: 28088 [2022-01-28 12:55:33,554 INFO L226 Difference]: Without dead ends: 28088 [2022-01-28 12:55:33,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 742 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=533, Invalid=4023, Unknown=0, NotChecked=0, Total=4556 [2022-01-28 12:55:33,555 INFO L933 BasicCegarLoop]: 823 mSDtfsCounter, 1395 mSDsluCounter, 17565 mSDsCounter, 0 mSdLazyCounter, 4046 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1395 SdHoareTripleChecker+Valid, 18236 SdHoareTripleChecker+Invalid, 4065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:33,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1395 Valid, 18236 Invalid, 4065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4046 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-28 12:55:33,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28088 states. [2022-01-28 12:55:33,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28088 to 22351. [2022-01-28 12:55:33,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:33,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-01-28 12:55:33,911 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-01-28 12:55:33,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:33,911 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-01-28 12:55:33,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:33,911 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-01-28 12:55:33,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:55:33,941 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:33,941 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:33,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-01-28 12:55:33,942 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:33,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:33,942 INFO L85 PathProgramCache]: Analyzing trace with hash -409342909, now seen corresponding path program 21 times [2022-01-28 12:55:33,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:33,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823395225] [2022-01-28 12:55:33,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:33,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:34,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:34,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:34,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823395225] [2022-01-28 12:55:34,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823395225] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:34,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:34,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:55:34,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4779148] [2022-01-28 12:55:34,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:34,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:55:34,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:34,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:55:34,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:55:34,281 INFO L87 Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:37,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:37,359 INFO L93 Difference]: Finished difference Result 34870 states and 95105 transitions. [2022-01-28 12:55:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 12:55:37,359 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:55:37,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:37,415 INFO L225 Difference]: With dead ends: 34870 [2022-01-28 12:55:37,416 INFO L226 Difference]: Without dead ends: 34870 [2022-01-28 12:55:37,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 937 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=604, Invalid=4652, Unknown=0, NotChecked=0, Total=5256 [2022-01-28 12:55:37,417 INFO L933 BasicCegarLoop]: 900 mSDtfsCounter, 1727 mSDsluCounter, 19680 mSDsCounter, 0 mSdLazyCounter, 4624 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1727 SdHoareTripleChecker+Valid, 20308 SdHoareTripleChecker+Invalid, 4645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:37,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1727 Valid, 20308 Invalid, 4645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4624 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 12:55:37,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34870 states. [2022-01-28 12:55:37,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34870 to 22479. [2022-01-28 12:55:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22479 states, 22478 states have (on average 2.754826941898745) internal successors, (61923), 22478 states have internal predecessors, (61923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:37,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22479 states to 22479 states and 61923 transitions. [2022-01-28 12:55:37,926 INFO L78 Accepts]: Start accepts. Automaton has 22479 states and 61923 transitions. Word has length 199 [2022-01-28 12:55:37,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:37,926 INFO L470 AbstractCegarLoop]: Abstraction has 22479 states and 61923 transitions. [2022-01-28 12:55:37,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:37,926 INFO L276 IsEmpty]: Start isEmpty. Operand 22479 states and 61923 transitions. [2022-01-28 12:55:37,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:55:37,957 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:37,957 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:37,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-01-28 12:55:37,957 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:37,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:37,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1863826345, now seen corresponding path program 22 times [2022-01-28 12:55:37,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:37,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738840767] [2022-01-28 12:55:37,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:37,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:38,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:38,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:38,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738840767] [2022-01-28 12:55:38,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738840767] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:38,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:38,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:55:38,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158350020] [2022-01-28 12:55:38,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:38,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:55:38,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:38,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:55:38,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:55:38,364 INFO L87 Difference]: Start difference. First operand 22479 states and 61923 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:41,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:41,267 INFO L93 Difference]: Finished difference Result 34493 states and 94284 transitions. [2022-01-28 12:55:41,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-28 12:55:41,267 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:55:41,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:41,325 INFO L225 Difference]: With dead ends: 34493 [2022-01-28 12:55:41,325 INFO L226 Difference]: Without dead ends: 34493 [2022-01-28 12:55:41,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1120 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=640, Invalid=5212, Unknown=0, NotChecked=0, Total=5852 [2022-01-28 12:55:41,326 INFO L933 BasicCegarLoop]: 951 mSDtfsCounter, 1709 mSDsluCounter, 20631 mSDsCounter, 0 mSdLazyCounter, 4574 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1709 SdHoareTripleChecker+Valid, 21358 SdHoareTripleChecker+Invalid, 4595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:41,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1709 Valid, 21358 Invalid, 4595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4574 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 12:55:41,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34493 states. [2022-01-28 12:55:41,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34493 to 22415. [2022-01-28 12:55:41,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22415 states, 22414 states have (on average 2.7534130454180423) internal successors, (61715), 22414 states have internal predecessors, (61715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:41,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22415 states to 22415 states and 61715 transitions. [2022-01-28 12:55:41,754 INFO L78 Accepts]: Start accepts. Automaton has 22415 states and 61715 transitions. Word has length 199 [2022-01-28 12:55:41,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:41,754 INFO L470 AbstractCegarLoop]: Abstraction has 22415 states and 61715 transitions. [2022-01-28 12:55:41,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:41,754 INFO L276 IsEmpty]: Start isEmpty. Operand 22415 states and 61715 transitions. [2022-01-28 12:55:41,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:55:41,783 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:41,783 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:41,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-01-28 12:55:41,783 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:41,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:41,784 INFO L85 PathProgramCache]: Analyzing trace with hash -2081687067, now seen corresponding path program 23 times [2022-01-28 12:55:41,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:41,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069716488] [2022-01-28 12:55:41,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:41,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:42,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:42,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:42,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069716488] [2022-01-28 12:55:42,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069716488] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:42,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:42,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:55:42,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908313301] [2022-01-28 12:55:42,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:42,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:55:42,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:42,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:55:42,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:55:42,191 INFO L87 Difference]: Start difference. First operand 22415 states and 61715 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:44,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:44,687 INFO L93 Difference]: Finished difference Result 31392 states and 85919 transitions. [2022-01-28 12:55:44,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-28 12:55:44,688 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:55:44,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:44,739 INFO L225 Difference]: With dead ends: 31392 [2022-01-28 12:55:44,740 INFO L226 Difference]: Without dead ends: 31392 [2022-01-28 12:55:44,741 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 860 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=563, Invalid=4407, Unknown=0, NotChecked=0, Total=4970 [2022-01-28 12:55:44,741 INFO L933 BasicCegarLoop]: 898 mSDtfsCounter, 1487 mSDsluCounter, 19328 mSDsCounter, 0 mSdLazyCounter, 4332 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1487 SdHoareTripleChecker+Valid, 20028 SdHoareTripleChecker+Invalid, 4351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:44,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1487 Valid, 20028 Invalid, 4351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4332 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-28 12:55:44,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31392 states. [2022-01-28 12:55:45,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31392 to 22367. [2022-01-28 12:55:45,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22367 states, 22366 states have (on average 2.7528838415452026) internal successors, (61571), 22366 states have internal predecessors, (61571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:45,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22367 states to 22367 states and 61571 transitions. [2022-01-28 12:55:45,225 INFO L78 Accepts]: Start accepts. Automaton has 22367 states and 61571 transitions. Word has length 199 [2022-01-28 12:55:45,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:45,225 INFO L470 AbstractCegarLoop]: Abstraction has 22367 states and 61571 transitions. [2022-01-28 12:55:45,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:45,226 INFO L276 IsEmpty]: Start isEmpty. Operand 22367 states and 61571 transitions. [2022-01-28 12:55:45,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:55:45,254 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:45,254 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:45,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-01-28 12:55:45,255 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:45,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:45,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1079315087, now seen corresponding path program 24 times [2022-01-28 12:55:45,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:45,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323474043] [2022-01-28 12:55:45,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:45,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:45,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:45,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323474043] [2022-01-28 12:55:45,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323474043] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:45,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:45,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:55:45,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588515847] [2022-01-28 12:55:45,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:45,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:55:45,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:45,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:55:45,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:55:45,585 INFO L87 Difference]: Start difference. First operand 22367 states and 61571 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:48,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:48,160 INFO L93 Difference]: Finished difference Result 32126 states and 87613 transitions. [2022-01-28 12:55:48,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-28 12:55:48,161 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:55:48,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:48,220 INFO L225 Difference]: With dead ends: 32126 [2022-01-28 12:55:48,221 INFO L226 Difference]: Without dead ends: 32126 [2022-01-28 12:55:48,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 864 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=556, Invalid=4414, Unknown=0, NotChecked=0, Total=4970 [2022-01-28 12:55:48,222 INFO L933 BasicCegarLoop]: 927 mSDtfsCounter, 1542 mSDsluCounter, 20077 mSDsCounter, 0 mSdLazyCounter, 4261 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1542 SdHoareTripleChecker+Valid, 20780 SdHoareTripleChecker+Invalid, 4280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:48,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1542 Valid, 20780 Invalid, 4280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4261 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-28 12:55:48,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32126 states. [2022-01-28 12:55:48,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32126 to 22351. [2022-01-28 12:55:48,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:48,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-01-28 12:55:48,713 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-01-28 12:55:48,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:48,713 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-01-28 12:55:48,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:48,714 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-01-28 12:55:48,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:55:48,742 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:48,742 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:48,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-01-28 12:55:48,742 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:48,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:48,743 INFO L85 PathProgramCache]: Analyzing trace with hash -46187899, now seen corresponding path program 25 times [2022-01-28 12:55:48,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:48,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147449311] [2022-01-28 12:55:48,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:48,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:49,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:49,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:49,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147449311] [2022-01-28 12:55:49,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147449311] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:49,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:49,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:55:49,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680951346] [2022-01-28 12:55:49,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:49,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:55:49,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:49,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:55:49,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:55:49,068 INFO L87 Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:52,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:52,229 INFO L93 Difference]: Finished difference Result 39735 states and 108146 transitions. [2022-01-28 12:55:52,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-28 12:55:52,230 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:55:52,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:52,288 INFO L225 Difference]: With dead ends: 39735 [2022-01-28 12:55:52,289 INFO L226 Difference]: Without dead ends: 39735 [2022-01-28 12:55:52,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1149 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=684, Invalid=5322, Unknown=0, NotChecked=0, Total=6006 [2022-01-28 12:55:52,290 INFO L933 BasicCegarLoop]: 1006 mSDtfsCounter, 1973 mSDsluCounter, 22285 mSDsCounter, 0 mSdLazyCounter, 5160 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1973 SdHoareTripleChecker+Valid, 22927 SdHoareTripleChecker+Invalid, 5181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 5160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:52,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1973 Valid, 22927 Invalid, 5181 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [21 Valid, 5160 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 12:55:52,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39735 states. [2022-01-28 12:55:52,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39735 to 22703. [2022-01-28 12:55:52,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22703 states, 22702 states have (on average 2.757246057616069) internal successors, (62595), 22702 states have internal predecessors, (62595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:52,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22703 states to 22703 states and 62595 transitions. [2022-01-28 12:55:52,844 INFO L78 Accepts]: Start accepts. Automaton has 22703 states and 62595 transitions. Word has length 199 [2022-01-28 12:55:52,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:52,844 INFO L470 AbstractCegarLoop]: Abstraction has 22703 states and 62595 transitions. [2022-01-28 12:55:52,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:52,844 INFO L276 IsEmpty]: Start isEmpty. Operand 22703 states and 62595 transitions. [2022-01-28 12:55:52,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:55:52,883 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:52,883 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:52,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-01-28 12:55:52,883 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:52,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:52,884 INFO L85 PathProgramCache]: Analyzing trace with hash -2067985941, now seen corresponding path program 26 times [2022-01-28 12:55:52,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:52,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545810288] [2022-01-28 12:55:52,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:52,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:53,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:53,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:53,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545810288] [2022-01-28 12:55:53,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545810288] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:53,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:53,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:55:53,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314929781] [2022-01-28 12:55:53,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:53,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:55:53,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:53,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:55:53,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:55:53,332 INFO L87 Difference]: Start difference. First operand 22703 states and 62595 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:56,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:55:56,468 INFO L93 Difference]: Finished difference Result 38036 states and 103866 transitions. [2022-01-28 12:55:56,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-28 12:55:56,468 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:55:56,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:55:56,534 INFO L225 Difference]: With dead ends: 38036 [2022-01-28 12:55:56,534 INFO L226 Difference]: Without dead ends: 38036 [2022-01-28 12:55:56,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1265 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=683, Invalid=5637, Unknown=0, NotChecked=0, Total=6320 [2022-01-28 12:55:56,536 INFO L933 BasicCegarLoop]: 1008 mSDtfsCounter, 1877 mSDsluCounter, 22141 mSDsCounter, 0 mSdLazyCounter, 4897 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 22872 SdHoareTripleChecker+Invalid, 4918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:55:56,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1877 Valid, 22872 Invalid, 4918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4897 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 12:55:56,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38036 states. [2022-01-28 12:55:56,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38036 to 22639. [2022-01-28 12:55:56,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22639 states, 22638 states have (on average 2.755852990546868) internal successors, (62387), 22638 states have internal predecessors, (62387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:57,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22639 states to 22639 states and 62387 transitions. [2022-01-28 12:55:57,007 INFO L78 Accepts]: Start accepts. Automaton has 22639 states and 62387 transitions. Word has length 199 [2022-01-28 12:55:57,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:55:57,008 INFO L470 AbstractCegarLoop]: Abstraction has 22639 states and 62387 transitions. [2022-01-28 12:55:57,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:55:57,008 INFO L276 IsEmpty]: Start isEmpty. Operand 22639 states and 62387 transitions. [2022-01-28 12:55:57,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:55:57,037 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:55:57,038 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:55:57,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-01-28 12:55:57,038 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:55:57,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:55:57,038 INFO L85 PathProgramCache]: Analyzing trace with hash -144848571, now seen corresponding path program 27 times [2022-01-28 12:55:57,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:55:57,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037385803] [2022-01-28 12:55:57,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:55:57,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:55:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:55:57,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:55:57,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:55:57,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037385803] [2022-01-28 12:55:57,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037385803] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:55:57,484 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:55:57,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:55:57,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066558486] [2022-01-28 12:55:57,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:55:57,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:55:57,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:55:57,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:55:57,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:55:57,485 INFO L87 Difference]: Start difference. First operand 22639 states and 62387 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:00,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:00,250 INFO L93 Difference]: Finished difference Result 36907 states and 100963 transitions. [2022-01-28 12:56:00,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-28 12:56:00,251 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:56:00,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:00,317 INFO L225 Difference]: With dead ends: 36907 [2022-01-28 12:56:00,317 INFO L226 Difference]: Without dead ends: 36907 [2022-01-28 12:56:00,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1030 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=612, Invalid=4938, Unknown=0, NotChecked=0, Total=5550 [2022-01-28 12:56:00,318 INFO L933 BasicCegarLoop]: 1005 mSDtfsCounter, 1675 mSDsluCounter, 21831 mSDsCounter, 0 mSdLazyCounter, 4834 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1675 SdHoareTripleChecker+Valid, 22570 SdHoareTripleChecker+Invalid, 4853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:00,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1675 Valid, 22570 Invalid, 4853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4834 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 12:56:00,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36907 states. [2022-01-28 12:56:00,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36907 to 22591. [2022-01-28 12:56:00,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22591 states, 22590 states have (on average 2.755334218680832) internal successors, (62243), 22590 states have internal predecessors, (62243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:00,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22591 states to 22591 states and 62243 transitions. [2022-01-28 12:56:00,761 INFO L78 Accepts]: Start accepts. Automaton has 22591 states and 62243 transitions. Word has length 199 [2022-01-28 12:56:00,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:00,761 INFO L470 AbstractCegarLoop]: Abstraction has 22591 states and 62243 transitions. [2022-01-28 12:56:00,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:00,762 INFO L276 IsEmpty]: Start isEmpty. Operand 22591 states and 62243 transitions. [2022-01-28 12:56:00,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:56:00,790 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:00,791 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:00,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-01-28 12:56:00,791 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:00,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:00,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1456438329, now seen corresponding path program 28 times [2022-01-28 12:56:00,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:00,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474059977] [2022-01-28 12:56:00,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:00,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:01,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:01,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:01,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474059977] [2022-01-28 12:56:01,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474059977] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:01,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:01,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:56:01,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365930272] [2022-01-28 12:56:01,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:01,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:56:01,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:01,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:56:01,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:56:01,179 INFO L87 Difference]: Start difference. First operand 22591 states and 62243 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:03,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:03,965 INFO L93 Difference]: Finished difference Result 38265 states and 104355 transitions. [2022-01-28 12:56:03,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-28 12:56:03,965 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:56:03,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:04,029 INFO L225 Difference]: With dead ends: 38265 [2022-01-28 12:56:04,029 INFO L226 Difference]: Without dead ends: 38265 [2022-01-28 12:56:04,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=608, Invalid=4942, Unknown=0, NotChecked=0, Total=5550 [2022-01-28 12:56:04,031 INFO L933 BasicCegarLoop]: 1018 mSDtfsCounter, 1731 mSDsluCounter, 22149 mSDsCounter, 0 mSdLazyCounter, 4751 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1731 SdHoareTripleChecker+Valid, 22898 SdHoareTripleChecker+Invalid, 4770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:04,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1731 Valid, 22898 Invalid, 4770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4751 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 12:56:04,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38265 states. [2022-01-28 12:56:04,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38265 to 22575. [2022-01-28 12:56:04,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22575 states, 22574 states have (on average 2.755160804465314) internal successors, (62195), 22574 states have internal predecessors, (62195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:04,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22575 states to 22575 states and 62195 transitions. [2022-01-28 12:56:04,488 INFO L78 Accepts]: Start accepts. Automaton has 22575 states and 62195 transitions. Word has length 199 [2022-01-28 12:56:04,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:04,489 INFO L470 AbstractCegarLoop]: Abstraction has 22575 states and 62195 transitions. [2022-01-28 12:56:04,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:04,489 INFO L276 IsEmpty]: Start isEmpty. Operand 22575 states and 62195 transitions. [2022-01-28 12:56:04,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:56:04,517 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:04,517 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:04,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-01-28 12:56:04,518 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:04,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:04,518 INFO L85 PathProgramCache]: Analyzing trace with hash 855207011, now seen corresponding path program 29 times [2022-01-28 12:56:04,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:04,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334771733] [2022-01-28 12:56:04,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:04,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:04,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:04,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:04,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334771733] [2022-01-28 12:56:04,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334771733] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:04,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:04,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:56:04,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001931675] [2022-01-28 12:56:04,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:04,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:56:04,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:04,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:56:04,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:56:04,850 INFO L87 Difference]: Start difference. First operand 22575 states and 62195 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:07,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:07,581 INFO L93 Difference]: Finished difference Result 39508 states and 107527 transitions. [2022-01-28 12:56:07,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-28 12:56:07,581 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:56:07,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:07,648 INFO L225 Difference]: With dead ends: 39508 [2022-01-28 12:56:07,648 INFO L226 Difference]: Without dead ends: 39508 [2022-01-28 12:56:07,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=601, Invalid=4949, Unknown=0, NotChecked=0, Total=5550 [2022-01-28 12:56:07,649 INFO L933 BasicCegarLoop]: 1055 mSDtfsCounter, 1701 mSDsluCounter, 22975 mSDsCounter, 0 mSdLazyCounter, 4742 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 23740 SdHoareTripleChecker+Invalid, 4761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:07,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1701 Valid, 23740 Invalid, 4761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4742 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 12:56:07,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39508 states. [2022-01-28 12:56:08,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39508 to 22367. [2022-01-28 12:56:08,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22367 states, 22366 states have (on average 2.7528838415452026) internal successors, (61571), 22366 states have internal predecessors, (61571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:08,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22367 states to 22367 states and 61571 transitions. [2022-01-28 12:56:08,234 INFO L78 Accepts]: Start accepts. Automaton has 22367 states and 61571 transitions. Word has length 199 [2022-01-28 12:56:08,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:08,235 INFO L470 AbstractCegarLoop]: Abstraction has 22367 states and 61571 transitions. [2022-01-28 12:56:08,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:08,235 INFO L276 IsEmpty]: Start isEmpty. Operand 22367 states and 61571 transitions. [2022-01-28 12:56:08,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:56:08,263 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:08,263 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:08,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-01-28 12:56:08,263 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:08,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:08,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1509746783, now seen corresponding path program 30 times [2022-01-28 12:56:08,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:08,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177432333] [2022-01-28 12:56:08,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:08,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:08,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:08,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:08,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177432333] [2022-01-28 12:56:08,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177432333] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:08,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:08,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:56:08,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221454913] [2022-01-28 12:56:08,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:08,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:56:08,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:08,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:56:08,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:56:08,651 INFO L87 Difference]: Start difference. First operand 22367 states and 61571 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:11,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:11,213 INFO L93 Difference]: Finished difference Result 35077 states and 95419 transitions. [2022-01-28 12:56:11,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-28 12:56:11,214 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:56:11,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:11,271 INFO L225 Difference]: With dead ends: 35077 [2022-01-28 12:56:11,272 INFO L226 Difference]: Without dead ends: 35077 [2022-01-28 12:56:11,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 908 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=561, Invalid=4551, Unknown=0, NotChecked=0, Total=5112 [2022-01-28 12:56:11,273 INFO L933 BasicCegarLoop]: 1011 mSDtfsCounter, 1658 mSDsluCounter, 22019 mSDsCounter, 0 mSdLazyCounter, 4458 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1658 SdHoareTripleChecker+Valid, 22741 SdHoareTripleChecker+Invalid, 4477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:11,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1658 Valid, 22741 Invalid, 4477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4458 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-28 12:56:11,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35077 states. [2022-01-28 12:56:11,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35077 to 22351. [2022-01-28 12:56:11,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:11,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-01-28 12:56:11,890 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-01-28 12:56:11,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:11,890 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-01-28 12:56:11,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:11,891 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-01-28 12:56:11,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:56:11,916 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:11,916 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:11,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-01-28 12:56:11,916 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:11,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:11,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1890066857, now seen corresponding path program 31 times [2022-01-28 12:56:11,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:11,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936852311] [2022-01-28 12:56:11,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:11,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:12,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:12,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:12,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936852311] [2022-01-28 12:56:12,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936852311] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:12,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:12,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:56:12,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856657250] [2022-01-28 12:56:12,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:12,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:56:12,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:12,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:56:12,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:56:12,230 INFO L87 Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:15,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:15,240 INFO L93 Difference]: Finished difference Result 40282 states and 109626 transitions. [2022-01-28 12:56:15,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-28 12:56:15,240 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:56:15,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:15,312 INFO L225 Difference]: With dead ends: 40282 [2022-01-28 12:56:15,312 INFO L226 Difference]: Without dead ends: 40282 [2022-01-28 12:56:15,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1235 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=728, Invalid=5592, Unknown=0, NotChecked=0, Total=6320 [2022-01-28 12:56:15,313 INFO L933 BasicCegarLoop]: 1049 mSDtfsCounter, 2101 mSDsluCounter, 23294 mSDsCounter, 0 mSdLazyCounter, 5103 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2101 SdHoareTripleChecker+Valid, 23936 SdHoareTripleChecker+Invalid, 5124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 5103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:15,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2101 Valid, 23936 Invalid, 5124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 5103 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 12:56:15,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40282 states. [2022-01-28 12:56:15,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40282 to 22751. [2022-01-28 12:56:15,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22751 states, 22750 states have (on average 2.757758241758242) internal successors, (62739), 22750 states have internal predecessors, (62739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:15,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22751 states to 22751 states and 62739 transitions. [2022-01-28 12:56:15,978 INFO L78 Accepts]: Start accepts. Automaton has 22751 states and 62739 transitions. Word has length 199 [2022-01-28 12:56:15,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:15,978 INFO L470 AbstractCegarLoop]: Abstraction has 22751 states and 62739 transitions. [2022-01-28 12:56:15,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:15,978 INFO L276 IsEmpty]: Start isEmpty. Operand 22751 states and 62739 transitions. [2022-01-28 12:56:16,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:56:16,006 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:16,006 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:16,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-01-28 12:56:16,007 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:16,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:16,007 INFO L85 PathProgramCache]: Analyzing trace with hash 383102397, now seen corresponding path program 32 times [2022-01-28 12:56:16,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:16,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250937857] [2022-01-28 12:56:16,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:16,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:16,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:16,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:16,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250937857] [2022-01-28 12:56:16,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250937857] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:16,320 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:16,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:56:16,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108380919] [2022-01-28 12:56:16,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:16,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:56:16,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:16,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:56:16,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:56:16,321 INFO L87 Difference]: Start difference. First operand 22751 states and 62739 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:19,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:19,222 INFO L93 Difference]: Finished difference Result 38395 states and 104854 transitions. [2022-01-28 12:56:19,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-28 12:56:19,222 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:56:19,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:19,282 INFO L225 Difference]: With dead ends: 38395 [2022-01-28 12:56:19,282 INFO L226 Difference]: Without dead ends: 38395 [2022-01-28 12:56:19,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1314 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=704, Invalid=5776, Unknown=0, NotChecked=0, Total=6480 [2022-01-28 12:56:19,284 INFO L933 BasicCegarLoop]: 1032 mSDtfsCounter, 1966 mSDsluCounter, 22763 mSDsCounter, 0 mSdLazyCounter, 4839 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1966 SdHoareTripleChecker+Valid, 23493 SdHoareTripleChecker+Invalid, 4860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:19,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1966 Valid, 23493 Invalid, 4860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4839 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 12:56:19,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38395 states. [2022-01-28 12:56:19,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38395 to 22687. [2022-01-28 12:56:19,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22687 states, 22686 states have (on average 2.7563695671339152) internal successors, (62531), 22686 states have internal predecessors, (62531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:19,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22687 states to 22687 states and 62531 transitions. [2022-01-28 12:56:19,813 INFO L78 Accepts]: Start accepts. Automaton has 22687 states and 62531 transitions. Word has length 199 [2022-01-28 12:56:19,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:19,813 INFO L470 AbstractCegarLoop]: Abstraction has 22687 states and 62531 transitions. [2022-01-28 12:56:19,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:19,813 INFO L276 IsEmpty]: Start isEmpty. Operand 22687 states and 62531 transitions. [2022-01-28 12:56:19,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:56:19,842 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:19,842 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:19,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-01-28 12:56:19,842 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:19,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:19,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1988727529, now seen corresponding path program 33 times [2022-01-28 12:56:19,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:19,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363830266] [2022-01-28 12:56:19,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:19,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:20,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:20,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:20,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363830266] [2022-01-28 12:56:20,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363830266] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:20,155 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:20,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:56:20,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343487875] [2022-01-28 12:56:20,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:20,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:56:20,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:20,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:56:20,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:56:20,156 INFO L87 Difference]: Start difference. First operand 22687 states and 62531 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:22,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:22,913 INFO L93 Difference]: Finished difference Result 37266 states and 101951 transitions. [2022-01-28 12:56:22,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 12:56:22,913 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:56:22,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:23,133 INFO L225 Difference]: With dead ends: 37266 [2022-01-28 12:56:23,133 INFO L226 Difference]: Without dead ends: 37266 [2022-01-28 12:56:23,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1075 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=629, Invalid=5071, Unknown=0, NotChecked=0, Total=5700 [2022-01-28 12:56:23,133 INFO L933 BasicCegarLoop]: 1029 mSDtfsCounter, 1764 mSDsluCounter, 22363 mSDsCounter, 0 mSdLazyCounter, 4775 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 23105 SdHoareTripleChecker+Invalid, 4794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:23,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1764 Valid, 23105 Invalid, 4794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4775 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 12:56:23,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37266 states. [2022-01-28 12:56:23,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37266 to 22639. [2022-01-28 12:56:23,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22639 states, 22638 states have (on average 2.755852990546868) internal successors, (62387), 22638 states have internal predecessors, (62387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:23,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22639 states to 22639 states and 62387 transitions. [2022-01-28 12:56:23,540 INFO L78 Accepts]: Start accepts. Automaton has 22639 states and 62387 transitions. Word has length 199 [2022-01-28 12:56:23,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:23,540 INFO L470 AbstractCegarLoop]: Abstraction has 22639 states and 62387 transitions. [2022-01-28 12:56:23,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:23,541 INFO L276 IsEmpty]: Start isEmpty. Operand 22639 states and 62387 transitions. [2022-01-28 12:56:23,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:56:23,568 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:23,568 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:23,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-01-28 12:56:23,568 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:23,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:23,569 INFO L85 PathProgramCache]: Analyzing trace with hash -387440629, now seen corresponding path program 34 times [2022-01-28 12:56:23,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:23,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300192066] [2022-01-28 12:56:23,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:23,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:23,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:23,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:23,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300192066] [2022-01-28 12:56:23,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300192066] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:23,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:23,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:56:23,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008117533] [2022-01-28 12:56:23,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:23,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:56:23,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:23,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:56:23,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:56:23,891 INFO L87 Difference]: Start difference. First operand 22639 states and 62387 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:26,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:26,703 INFO L93 Difference]: Finished difference Result 38624 states and 105343 transitions. [2022-01-28 12:56:26,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 12:56:26,703 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:56:26,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:26,761 INFO L225 Difference]: With dead ends: 38624 [2022-01-28 12:56:26,761 INFO L226 Difference]: Without dead ends: 38624 [2022-01-28 12:56:26,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1076 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=626, Invalid=5074, Unknown=0, NotChecked=0, Total=5700 [2022-01-28 12:56:26,762 INFO L933 BasicCegarLoop]: 1042 mSDtfsCounter, 1820 mSDsluCounter, 22664 mSDsCounter, 0 mSdLazyCounter, 4699 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1820 SdHoareTripleChecker+Valid, 23416 SdHoareTripleChecker+Invalid, 4718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:26,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1820 Valid, 23416 Invalid, 4718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4699 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 12:56:26,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38624 states. [2022-01-28 12:56:27,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38624 to 22623. [2022-01-28 12:56:27,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22623 states, 22622 states have (on average 2.7556803112014854) internal successors, (62339), 22622 states have internal predecessors, (62339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:27,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22623 states to 22623 states and 62339 transitions. [2022-01-28 12:56:27,193 INFO L78 Accepts]: Start accepts. Automaton has 22623 states and 62339 transitions. Word has length 199 [2022-01-28 12:56:27,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:27,193 INFO L470 AbstractCegarLoop]: Abstraction has 22623 states and 62339 transitions. [2022-01-28 12:56:27,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:27,193 INFO L276 IsEmpty]: Start isEmpty. Operand 22623 states and 62339 transitions. [2022-01-28 12:56:27,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:56:27,221 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:27,221 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:27,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-01-28 12:56:27,221 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:27,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:27,222 INFO L85 PathProgramCache]: Analyzing trace with hash -988671947, now seen corresponding path program 35 times [2022-01-28 12:56:27,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:27,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081794552] [2022-01-28 12:56:27,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:27,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:27,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:27,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:27,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081794552] [2022-01-28 12:56:27,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081794552] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:27,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:27,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:56:27,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574511906] [2022-01-28 12:56:27,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:27,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:56:27,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:27,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:56:27,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:56:27,535 INFO L87 Difference]: Start difference. First operand 22623 states and 62339 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:30,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:30,327 INFO L93 Difference]: Finished difference Result 39867 states and 108515 transitions. [2022-01-28 12:56:30,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 12:56:30,327 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:56:30,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:30,391 INFO L225 Difference]: With dead ends: 39867 [2022-01-28 12:56:30,391 INFO L226 Difference]: Without dead ends: 39867 [2022-01-28 12:56:30,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1077 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=620, Invalid=5080, Unknown=0, NotChecked=0, Total=5700 [2022-01-28 12:56:30,392 INFO L933 BasicCegarLoop]: 1079 mSDtfsCounter, 1790 mSDsluCounter, 23447 mSDsCounter, 0 mSdLazyCounter, 4696 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1790 SdHoareTripleChecker+Valid, 24216 SdHoareTripleChecker+Invalid, 4715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:30,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1790 Valid, 24216 Invalid, 4715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4696 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 12:56:30,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39867 states. [2022-01-28 12:56:30,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39867 to 22415. [2022-01-28 12:56:30,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22415 states, 22414 states have (on average 2.7534130454180423) internal successors, (61715), 22414 states have internal predecessors, (61715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:30,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22415 states to 22415 states and 61715 transitions. [2022-01-28 12:56:30,846 INFO L78 Accepts]: Start accepts. Automaton has 22415 states and 61715 transitions. Word has length 199 [2022-01-28 12:56:30,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:30,847 INFO L470 AbstractCegarLoop]: Abstraction has 22415 states and 61715 transitions. [2022-01-28 12:56:30,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:30,847 INFO L276 IsEmpty]: Start isEmpty. Operand 22415 states and 61715 transitions. [2022-01-28 12:56:30,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:56:30,875 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:30,876 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:30,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-01-28 12:56:30,876 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:30,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:30,876 INFO L85 PathProgramCache]: Analyzing trace with hash 941341555, now seen corresponding path program 36 times [2022-01-28 12:56:30,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:30,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722159223] [2022-01-28 12:56:30,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:30,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:31,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:31,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:31,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722159223] [2022-01-28 12:56:31,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722159223] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:31,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:31,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:56:31,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098668360] [2022-01-28 12:56:31,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:31,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:56:31,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:31,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:56:31,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:56:31,191 INFO L87 Difference]: Start difference. First operand 22415 states and 61715 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:34,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:34,054 INFO L93 Difference]: Finished difference Result 40525 states and 110237 transitions. [2022-01-28 12:56:34,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-28 12:56:34,054 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:56:34,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:34,115 INFO L225 Difference]: With dead ends: 40525 [2022-01-28 12:56:34,115 INFO L226 Difference]: Without dead ends: 40525 [2022-01-28 12:56:34,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=601, Invalid=4949, Unknown=0, NotChecked=0, Total=5550 [2022-01-28 12:56:34,116 INFO L933 BasicCegarLoop]: 1083 mSDtfsCounter, 1769 mSDsluCounter, 23619 mSDsCounter, 0 mSdLazyCounter, 4696 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1769 SdHoareTripleChecker+Valid, 24391 SdHoareTripleChecker+Invalid, 4715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:34,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1769 Valid, 24391 Invalid, 4715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4696 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 12:56:34,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40525 states. [2022-01-28 12:56:34,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40525 to 22399. [2022-01-28 12:56:34,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22399 states, 22398 states have (on average 2.753236896151442) internal successors, (61667), 22398 states have internal predecessors, (61667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:34,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 61667 transitions. [2022-01-28 12:56:34,519 INFO L78 Accepts]: Start accepts. Automaton has 22399 states and 61667 transitions. Word has length 199 [2022-01-28 12:56:34,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:34,519 INFO L470 AbstractCegarLoop]: Abstraction has 22399 states and 61667 transitions. [2022-01-28 12:56:34,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:34,520 INFO L276 IsEmpty]: Start isEmpty. Operand 22399 states and 61667 transitions. [2022-01-28 12:56:34,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:56:34,547 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:34,547 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:34,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-01-28 12:56:34,548 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:34,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:34,548 INFO L85 PathProgramCache]: Analyzing trace with hash -707584439, now seen corresponding path program 37 times [2022-01-28 12:56:34,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:34,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567917820] [2022-01-28 12:56:34,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:34,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:34,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:34,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:34,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567917820] [2022-01-28 12:56:34,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567917820] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:34,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:34,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:56:34,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39874904] [2022-01-28 12:56:34,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:34,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:56:34,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:34,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:56:34,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:56:34,862 INFO L87 Difference]: Start difference. First operand 22399 states and 61667 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:37,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:37,414 INFO L93 Difference]: Finished difference Result 35490 states and 96535 transitions. [2022-01-28 12:56:37,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-28 12:56:37,414 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:56:37,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:37,480 INFO L225 Difference]: With dead ends: 35490 [2022-01-28 12:56:37,480 INFO L226 Difference]: Without dead ends: 35490 [2022-01-28 12:56:37,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 906 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=565, Invalid=4547, Unknown=0, NotChecked=0, Total=5112 [2022-01-28 12:56:37,482 INFO L933 BasicCegarLoop]: 1034 mSDtfsCounter, 1693 mSDsluCounter, 22562 mSDsCounter, 0 mSdLazyCounter, 4250 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1693 SdHoareTripleChecker+Valid, 23287 SdHoareTripleChecker+Invalid, 4269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:37,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1693 Valid, 23287 Invalid, 4269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4250 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-28 12:56:37,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35490 states. [2022-01-28 12:56:37,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35490 to 22351. [2022-01-28 12:56:38,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:38,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-01-28 12:56:38,068 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-01-28 12:56:38,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:38,068 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-01-28 12:56:38,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:38,068 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-01-28 12:56:38,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:56:38,100 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:38,100 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:38,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-01-28 12:56:38,100 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:38,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:38,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1198885449, now seen corresponding path program 38 times [2022-01-28 12:56:38,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:38,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811100335] [2022-01-28 12:56:38,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:38,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:38,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:38,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:38,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811100335] [2022-01-28 12:56:38,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811100335] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:38,440 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:38,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:56:38,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325728674] [2022-01-28 12:56:38,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:38,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:56:38,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:38,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:56:38,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:56:38,441 INFO L87 Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:41,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:41,614 INFO L93 Difference]: Finished difference Result 41047 states and 111676 transitions. [2022-01-28 12:56:41,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-01-28 12:56:41,615 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:56:41,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:41,679 INFO L225 Difference]: With dead ends: 41047 [2022-01-28 12:56:41,679 INFO L226 Difference]: Without dead ends: 41047 [2022-01-28 12:56:41,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1473 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=824, Invalid=6316, Unknown=0, NotChecked=0, Total=7140 [2022-01-28 12:56:41,681 INFO L933 BasicCegarLoop]: 1093 mSDtfsCounter, 2260 mSDsluCounter, 24260 mSDsCounter, 0 mSdLazyCounter, 5137 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2260 SdHoareTripleChecker+Valid, 24905 SdHoareTripleChecker+Invalid, 5158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 5137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:41,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2260 Valid, 24905 Invalid, 5158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 5137 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 12:56:41,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41047 states. [2022-01-28 12:56:42,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41047 to 22799. [2022-01-28 12:56:42,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22799 states, 22798 states have (on average 2.7582682691464164) internal successors, (62883), 22798 states have internal predecessors, (62883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:42,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22799 states to 22799 states and 62883 transitions. [2022-01-28 12:56:42,221 INFO L78 Accepts]: Start accepts. Automaton has 22799 states and 62883 transitions. Word has length 199 [2022-01-28 12:56:42,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:42,221 INFO L470 AbstractCegarLoop]: Abstraction has 22799 states and 62883 transitions. [2022-01-28 12:56:42,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:42,221 INFO L276 IsEmpty]: Start isEmpty. Operand 22799 states and 62883 transitions. [2022-01-28 12:56:42,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:56:42,249 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:42,249 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:42,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-01-28 12:56:42,250 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:42,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:42,250 INFO L85 PathProgramCache]: Analyzing trace with hash -822912593, now seen corresponding path program 39 times [2022-01-28 12:56:42,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:42,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389992702] [2022-01-28 12:56:42,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:42,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:42,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:42,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:42,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389992702] [2022-01-28 12:56:42,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389992702] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:42,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:42,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:56:42,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106088166] [2022-01-28 12:56:42,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:42,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:56:42,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:42,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:56:42,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:56:42,570 INFO L87 Difference]: Start difference. First operand 22799 states and 62883 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:45,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:45,542 INFO L93 Difference]: Finished difference Result 38878 states and 106166 transitions. [2022-01-28 12:56:45,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-01-28 12:56:45,543 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:56:45,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:45,606 INFO L225 Difference]: With dead ends: 38878 [2022-01-28 12:56:45,607 INFO L226 Difference]: Without dead ends: 38878 [2022-01-28 12:56:45,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1463 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=758, Invalid=6214, Unknown=0, NotChecked=0, Total=6972 [2022-01-28 12:56:45,608 INFO L933 BasicCegarLoop]: 1056 mSDtfsCounter, 2085 mSDsluCounter, 23345 mSDsCounter, 0 mSdLazyCounter, 4841 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2085 SdHoareTripleChecker+Valid, 24075 SdHoareTripleChecker+Invalid, 4862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 4841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:45,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2085 Valid, 24075 Invalid, 4862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 4841 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 12:56:45,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38878 states. [2022-01-28 12:56:46,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38878 to 22735. [2022-01-28 12:56:46,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22735 states, 22734 states have (on average 2.7568839623471453) internal successors, (62675), 22734 states have internal predecessors, (62675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:46,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22735 states to 22735 states and 62675 transitions. [2022-01-28 12:56:46,156 INFO L78 Accepts]: Start accepts. Automaton has 22735 states and 62675 transitions. Word has length 199 [2022-01-28 12:56:46,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:46,156 INFO L470 AbstractCegarLoop]: Abstraction has 22735 states and 62675 transitions. [2022-01-28 12:56:46,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:46,156 INFO L276 IsEmpty]: Start isEmpty. Operand 22735 states and 62675 transitions. [2022-01-28 12:56:46,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:56:46,185 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:46,185 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:46,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-01-28 12:56:46,186 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:46,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:46,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1100224777, now seen corresponding path program 40 times [2022-01-28 12:56:46,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:46,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641938324] [2022-01-28 12:56:46,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:46,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:46,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:46,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:46,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641938324] [2022-01-28 12:56:46,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641938324] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:46,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:46,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:56:46,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628290290] [2022-01-28 12:56:46,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:46,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:56:46,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:46,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:56:46,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:56:46,557 INFO L87 Difference]: Start difference. First operand 22735 states and 62675 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:49,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:49,494 INFO L93 Difference]: Finished difference Result 37749 states and 103263 transitions. [2022-01-28 12:56:49,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-28 12:56:49,494 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:56:49,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:49,551 INFO L225 Difference]: With dead ends: 37749 [2022-01-28 12:56:49,551 INFO L226 Difference]: Without dead ends: 37749 [2022-01-28 12:56:49,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1210 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=679, Invalid=5483, Unknown=0, NotChecked=0, Total=6162 [2022-01-28 12:56:49,552 INFO L933 BasicCegarLoop]: 1053 mSDtfsCounter, 1883 mSDsluCounter, 22855 mSDsCounter, 0 mSdLazyCounter, 4776 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1883 SdHoareTripleChecker+Valid, 23601 SdHoareTripleChecker+Invalid, 4795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:49,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1883 Valid, 23601 Invalid, 4795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4776 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 12:56:49,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37749 states. [2022-01-28 12:56:49,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37749 to 22687. [2022-01-28 12:56:49,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22687 states, 22686 states have (on average 2.7563695671339152) internal successors, (62531), 22686 states have internal predecessors, (62531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:49,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22687 states to 22687 states and 62531 transitions. [2022-01-28 12:56:49,960 INFO L78 Accepts]: Start accepts. Automaton has 22687 states and 62531 transitions. Word has length 199 [2022-01-28 12:56:49,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:49,960 INFO L470 AbstractCegarLoop]: Abstraction has 22687 states and 62531 transitions. [2022-01-28 12:56:49,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:49,960 INFO L276 IsEmpty]: Start isEmpty. Operand 22687 states and 62531 transitions. [2022-01-28 12:56:49,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:56:49,989 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:49,989 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:49,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-01-28 12:56:49,989 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:49,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:49,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1593455619, now seen corresponding path program 41 times [2022-01-28 12:56:49,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:49,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600245240] [2022-01-28 12:56:49,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:49,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:50,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:50,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600245240] [2022-01-28 12:56:50,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600245240] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:50,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:50,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:56:50,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667994495] [2022-01-28 12:56:50,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:50,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:56:50,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:50,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:56:50,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:56:50,304 INFO L87 Difference]: Start difference. First operand 22687 states and 62531 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:53,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:53,213 INFO L93 Difference]: Finished difference Result 39107 states and 106655 transitions. [2022-01-28 12:56:53,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-28 12:56:53,214 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:56:53,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:53,271 INFO L225 Difference]: With dead ends: 39107 [2022-01-28 12:56:53,272 INFO L226 Difference]: Without dead ends: 39107 [2022-01-28 12:56:53,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1210 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=677, Invalid=5485, Unknown=0, NotChecked=0, Total=6162 [2022-01-28 12:56:53,272 INFO L933 BasicCegarLoop]: 1066 mSDtfsCounter, 1939 mSDsluCounter, 23141 mSDsCounter, 0 mSdLazyCounter, 4705 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1939 SdHoareTripleChecker+Valid, 23897 SdHoareTripleChecker+Invalid, 4724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:53,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1939 Valid, 23897 Invalid, 4724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4705 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 12:56:53,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39107 states. [2022-01-28 12:56:53,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39107 to 22671. [2022-01-28 12:56:53,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22671 states, 22670 states have (on average 2.7561976179973535) internal successors, (62483), 22670 states have internal predecessors, (62483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22671 states to 22671 states and 62483 transitions. [2022-01-28 12:56:53,695 INFO L78 Accepts]: Start accepts. Automaton has 22671 states and 62483 transitions. Word has length 199 [2022-01-28 12:56:53,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:53,695 INFO L470 AbstractCegarLoop]: Abstraction has 22671 states and 62483 transitions. [2022-01-28 12:56:53,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:53,695 INFO L276 IsEmpty]: Start isEmpty. Operand 22671 states and 62483 transitions. [2022-01-28 12:56:53,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:56:53,724 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:53,724 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:53,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-01-28 12:56:53,724 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:53,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:53,724 INFO L85 PathProgramCache]: Analyzing trace with hash 2100280359, now seen corresponding path program 42 times [2022-01-28 12:56:53,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:53,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580181105] [2022-01-28 12:56:53,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:53,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:54,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:54,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:54,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580181105] [2022-01-28 12:56:54,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580181105] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:54,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:54,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:56:54,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735456841] [2022-01-28 12:56:54,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:54,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:56:54,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:54,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:56:54,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:56:54,034 INFO L87 Difference]: Start difference. First operand 22671 states and 62483 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:56,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:56:56,840 INFO L93 Difference]: Finished difference Result 40350 states and 109827 transitions. [2022-01-28 12:56:56,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-28 12:56:56,841 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:56:56,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:56:56,908 INFO L225 Difference]: With dead ends: 40350 [2022-01-28 12:56:56,908 INFO L226 Difference]: Without dead ends: 40350 [2022-01-28 12:56:56,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1210 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=672, Invalid=5490, Unknown=0, NotChecked=0, Total=6162 [2022-01-28 12:56:56,909 INFO L933 BasicCegarLoop]: 1103 mSDtfsCounter, 1909 mSDsluCounter, 23881 mSDsCounter, 0 mSdLazyCounter, 4708 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1909 SdHoareTripleChecker+Valid, 24655 SdHoareTripleChecker+Invalid, 4727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:56:56,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1909 Valid, 24655 Invalid, 4727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4708 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 12:56:56,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40350 states. [2022-01-28 12:56:57,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40350 to 22463. [2022-01-28 12:56:57,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22463 states, 22462 states have (on average 2.7539399875345025) internal successors, (61859), 22462 states have internal predecessors, (61859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:57,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22463 states to 22463 states and 61859 transitions. [2022-01-28 12:56:57,580 INFO L78 Accepts]: Start accepts. Automaton has 22463 states and 61859 transitions. Word has length 199 [2022-01-28 12:56:57,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:56:57,580 INFO L470 AbstractCegarLoop]: Abstraction has 22463 states and 61859 transitions. [2022-01-28 12:56:57,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:56:57,580 INFO L276 IsEmpty]: Start isEmpty. Operand 22463 states and 61859 transitions. [2022-01-28 12:56:57,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:56:57,608 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:56:57,609 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:56:57,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-01-28 12:56:57,609 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:56:57,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:56:57,609 INFO L85 PathProgramCache]: Analyzing trace with hash -264673435, now seen corresponding path program 43 times [2022-01-28 12:56:57,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:56:57,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008329618] [2022-01-28 12:56:57,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:56:57,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:56:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:56:57,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:56:57,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:56:57,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008329618] [2022-01-28 12:56:57,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008329618] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:56:57,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:56:57,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:56:57,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169743382] [2022-01-28 12:56:57,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:56:57,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:56:57,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:56:57,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:56:57,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:56:57,918 INFO L87 Difference]: Start difference. First operand 22463 states and 61859 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:00,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:00,724 INFO L93 Difference]: Finished difference Result 41008 states and 111549 transitions. [2022-01-28 12:57:00,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-28 12:57:00,725 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:57:00,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:00,790 INFO L225 Difference]: With dead ends: 41008 [2022-01-28 12:57:00,791 INFO L226 Difference]: Without dead ends: 41008 [2022-01-28 12:57:00,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1164 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=652, Invalid=5354, Unknown=0, NotChecked=0, Total=6006 [2022-01-28 12:57:00,792 INFO L933 BasicCegarLoop]: 1107 mSDtfsCounter, 1888 mSDsluCounter, 24048 mSDsCounter, 0 mSdLazyCounter, 4709 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1888 SdHoareTripleChecker+Valid, 24825 SdHoareTripleChecker+Invalid, 4728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:00,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1888 Valid, 24825 Invalid, 4728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4709 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 12:57:00,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41008 states. [2022-01-28 12:57:01,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41008 to 22447. [2022-01-28 12:57:01,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22447 states, 22446 states have (on average 2.7537645905729304) internal successors, (61811), 22446 states have internal predecessors, (61811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:01,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22447 states to 22447 states and 61811 transitions. [2022-01-28 12:57:01,424 INFO L78 Accepts]: Start accepts. Automaton has 22447 states and 61811 transitions. Word has length 199 [2022-01-28 12:57:01,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:01,424 INFO L470 AbstractCegarLoop]: Abstraction has 22447 states and 61811 transitions. [2022-01-28 12:57:01,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:01,425 INFO L276 IsEmpty]: Start isEmpty. Operand 22447 states and 61811 transitions. [2022-01-28 12:57:01,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:57:01,452 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:01,452 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:01,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-01-28 12:57:01,452 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:01,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:01,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1913599429, now seen corresponding path program 44 times [2022-01-28 12:57:01,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:01,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568512495] [2022-01-28 12:57:01,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:01,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:01,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:01,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:01,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568512495] [2022-01-28 12:57:01,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568512495] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:01,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:01,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:57:01,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157448694] [2022-01-28 12:57:01,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:01,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:57:01,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:01,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:57:01,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:57:01,783 INFO L87 Difference]: Start difference. First operand 22447 states and 61811 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:04,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:04,479 INFO L93 Difference]: Finished difference Result 41196 states and 112041 transitions. [2022-01-28 12:57:04,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-28 12:57:04,480 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:57:04,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:04,552 INFO L225 Difference]: With dead ends: 41196 [2022-01-28 12:57:04,552 INFO L226 Difference]: Without dead ends: 41196 [2022-01-28 12:57:04,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1119 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=635, Invalid=5217, Unknown=0, NotChecked=0, Total=5852 [2022-01-28 12:57:04,554 INFO L933 BasicCegarLoop]: 1109 mSDtfsCounter, 1834 mSDsluCounter, 24197 mSDsCounter, 0 mSdLazyCounter, 4518 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 24975 SdHoareTripleChecker+Invalid, 4537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:04,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1834 Valid, 24975 Invalid, 4537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4518 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-28 12:57:04,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41196 states. [2022-01-28 12:57:05,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41196 to 22399. [2022-01-28 12:57:05,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22399 states, 22398 states have (on average 2.753236896151442) internal successors, (61667), 22398 states have internal predecessors, (61667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:05,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22399 states to 22399 states and 61667 transitions. [2022-01-28 12:57:05,243 INFO L78 Accepts]: Start accepts. Automaton has 22399 states and 61667 transitions. Word has length 199 [2022-01-28 12:57:05,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:05,243 INFO L470 AbstractCegarLoop]: Abstraction has 22399 states and 61667 transitions. [2022-01-28 12:57:05,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:05,244 INFO L276 IsEmpty]: Start isEmpty. Operand 22399 states and 61667 transitions. [2022-01-28 12:57:05,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:57:05,272 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:05,272 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:05,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-01-28 12:57:05,273 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:05,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:05,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1972789787, now seen corresponding path program 45 times [2022-01-28 12:57:05,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:05,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065869776] [2022-01-28 12:57:05,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:05,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:05,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:05,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:05,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065869776] [2022-01-28 12:57:05,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065869776] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:05,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:05,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:57:05,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152529534] [2022-01-28 12:57:05,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:05,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:57:05,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:05,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:57:05,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:57:05,588 INFO L87 Difference]: Start difference. First operand 22399 states and 61667 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:08,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:08,235 INFO L93 Difference]: Finished difference Result 35877 states and 97559 transitions. [2022-01-28 12:57:08,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-28 12:57:08,236 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:57:08,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:08,293 INFO L225 Difference]: With dead ends: 35877 [2022-01-28 12:57:08,293 INFO L226 Difference]: Without dead ends: 35877 [2022-01-28 12:57:08,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1025 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=618, Invalid=4932, Unknown=0, NotChecked=0, Total=5550 [2022-01-28 12:57:08,296 INFO L933 BasicCegarLoop]: 1056 mSDtfsCounter, 1782 mSDsluCounter, 23025 mSDsCounter, 0 mSdLazyCounter, 4151 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1782 SdHoareTripleChecker+Valid, 23753 SdHoareTripleChecker+Invalid, 4170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:08,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1782 Valid, 23753 Invalid, 4170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4151 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-28 12:57:08,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35877 states. [2022-01-28 12:57:08,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35877 to 22351. [2022-01-28 12:57:08,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22351 states, 22350 states have (on average 2.7527069351230424) internal successors, (61523), 22350 states have internal predecessors, (61523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:08,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22351 states to 22351 states and 61523 transitions. [2022-01-28 12:57:08,819 INFO L78 Accepts]: Start accepts. Automaton has 22351 states and 61523 transitions. Word has length 199 [2022-01-28 12:57:08,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:08,819 INFO L470 AbstractCegarLoop]: Abstraction has 22351 states and 61523 transitions. [2022-01-28 12:57:08,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:08,819 INFO L276 IsEmpty]: Start isEmpty. Operand 22351 states and 61523 transitions. [2022-01-28 12:57:08,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:57:08,848 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:08,848 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:08,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-01-28 12:57:08,848 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:08,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:08,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1309715475, now seen corresponding path program 46 times [2022-01-28 12:57:08,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:08,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862759617] [2022-01-28 12:57:08,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:08,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:09,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:09,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:09,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862759617] [2022-01-28 12:57:09,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862759617] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:09,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:09,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:57:09,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411764259] [2022-01-28 12:57:09,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:09,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:57:09,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:09,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:57:09,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:57:09,161 INFO L87 Difference]: Start difference. First operand 22351 states and 61523 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:12,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:12,668 INFO L93 Difference]: Finished difference Result 43816 states and 119376 transitions. [2022-01-28 12:57:12,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-28 12:57:12,668 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:57:12,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:12,745 INFO L225 Difference]: With dead ends: 43816 [2022-01-28 12:57:12,745 INFO L226 Difference]: Without dead ends: 43816 [2022-01-28 12:57:12,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1331 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=848, Invalid=5958, Unknown=0, NotChecked=0, Total=6806 [2022-01-28 12:57:12,746 INFO L933 BasicCegarLoop]: 1076 mSDtfsCounter, 2398 mSDsluCounter, 23325 mSDsCounter, 0 mSdLazyCounter, 5306 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2398 SdHoareTripleChecker+Valid, 23927 SdHoareTripleChecker+Invalid, 5329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:12,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2398 Valid, 23927 Invalid, 5329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5306 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-01-28 12:57:12,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43816 states. [2022-01-28 12:57:13,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43816 to 22923. [2022-01-28 12:57:13,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22923 states, 22922 states have (on average 2.757002006805689) internal successors, (63196), 22922 states have internal predecessors, (63196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:13,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22923 states to 22923 states and 63196 transitions. [2022-01-28 12:57:13,434 INFO L78 Accepts]: Start accepts. Automaton has 22923 states and 63196 transitions. Word has length 199 [2022-01-28 12:57:13,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:13,434 INFO L470 AbstractCegarLoop]: Abstraction has 22923 states and 63196 transitions. [2022-01-28 12:57:13,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:13,434 INFO L276 IsEmpty]: Start isEmpty. Operand 22923 states and 63196 transitions. [2022-01-28 12:57:13,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:57:13,462 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:13,462 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:13,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-01-28 12:57:13,463 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:13,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:13,463 INFO L85 PathProgramCache]: Analyzing trace with hash -712082567, now seen corresponding path program 47 times [2022-01-28 12:57:13,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:13,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136587680] [2022-01-28 12:57:13,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:13,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:13,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:13,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:13,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136587680] [2022-01-28 12:57:13,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136587680] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:13,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:13,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:57:13,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068541112] [2022-01-28 12:57:13,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:13,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:57:13,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:13,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:57:13,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:57:13,806 INFO L87 Difference]: Start difference. First operand 22923 states and 63196 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:17,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:17,046 INFO L93 Difference]: Finished difference Result 41749 states and 114148 transitions. [2022-01-28 12:57:17,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-28 12:57:17,047 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:57:17,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:17,259 INFO L225 Difference]: With dead ends: 41749 [2022-01-28 12:57:17,259 INFO L226 Difference]: Without dead ends: 41749 [2022-01-28 12:57:17,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1324 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=792, Invalid=5850, Unknown=0, NotChecked=0, Total=6642 [2022-01-28 12:57:17,260 INFO L933 BasicCegarLoop]: 1043 mSDtfsCounter, 2355 mSDsluCounter, 22353 mSDsCounter, 0 mSdLazyCounter, 4999 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2355 SdHoareTripleChecker+Valid, 23086 SdHoareTripleChecker+Invalid, 5022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:17,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2355 Valid, 23086 Invalid, 5022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4999 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 12:57:17,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41749 states. [2022-01-28 12:57:17,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41749 to 22859. [2022-01-28 12:57:17,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22859 states, 22858 states have (on average 2.755621664187593) internal successors, (62988), 22858 states have internal predecessors, (62988), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:17,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22859 states to 22859 states and 62988 transitions. [2022-01-28 12:57:17,773 INFO L78 Accepts]: Start accepts. Automaton has 22859 states and 62988 transitions. Word has length 199 [2022-01-28 12:57:17,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:17,773 INFO L470 AbstractCegarLoop]: Abstraction has 22859 states and 62988 transitions. [2022-01-28 12:57:17,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:17,774 INFO L276 IsEmpty]: Start isEmpty. Operand 22859 states and 62988 transitions. [2022-01-28 12:57:17,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:57:17,810 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:17,810 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:17,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-01-28 12:57:17,811 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:17,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:17,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1211054803, now seen corresponding path program 48 times [2022-01-28 12:57:17,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:17,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724233321] [2022-01-28 12:57:17,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:17,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:18,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:18,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:18,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724233321] [2022-01-28 12:57:18,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724233321] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:18,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:18,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:57:18,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334446716] [2022-01-28 12:57:18,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:18,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:57:18,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:18,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:57:18,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:57:18,197 INFO L87 Difference]: Start difference. First operand 22859 states and 62988 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:21,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:21,577 INFO L93 Difference]: Finished difference Result 39891 states and 109363 transitions. [2022-01-28 12:57:21,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-28 12:57:21,577 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:57:21,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:21,639 INFO L225 Difference]: With dead ends: 39891 [2022-01-28 12:57:21,639 INFO L226 Difference]: Without dead ends: 39891 [2022-01-28 12:57:21,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1042 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=685, Invalid=5015, Unknown=0, NotChecked=0, Total=5700 [2022-01-28 12:57:21,640 INFO L933 BasicCegarLoop]: 1038 mSDtfsCounter, 2085 mSDsluCounter, 21909 mSDsCounter, 0 mSdLazyCounter, 4952 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2085 SdHoareTripleChecker+Valid, 22652 SdHoareTripleChecker+Invalid, 4971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:21,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2085 Valid, 22652 Invalid, 4971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4952 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 12:57:21,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39891 states. [2022-01-28 12:57:22,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39891 to 22811. [2022-01-28 12:57:22,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22811 states, 22810 states have (on average 2.7551074090311265) internal successors, (62844), 22810 states have internal predecessors, (62844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:22,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22811 states to 22811 states and 62844 transitions. [2022-01-28 12:57:22,149 INFO L78 Accepts]: Start accepts. Automaton has 22811 states and 62844 transitions. Word has length 199 [2022-01-28 12:57:22,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:22,149 INFO L470 AbstractCegarLoop]: Abstraction has 22811 states and 62844 transitions. [2022-01-28 12:57:22,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:22,149 INFO L276 IsEmpty]: Start isEmpty. Operand 22811 states and 62844 transitions. [2022-01-28 12:57:22,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:57:22,187 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:22,187 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:22,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-01-28 12:57:22,188 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:22,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:22,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1482625593, now seen corresponding path program 49 times [2022-01-28 12:57:22,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:22,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47014544] [2022-01-28 12:57:22,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:22,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:22,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:22,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:22,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47014544] [2022-01-28 12:57:22,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47014544] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:22,563 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:22,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:57:22,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928310659] [2022-01-28 12:57:22,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:22,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:57:22,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:22,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:57:22,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:57:22,564 INFO L87 Difference]: Start difference. First operand 22811 states and 62844 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:26,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:26,262 INFO L93 Difference]: Finished difference Result 41249 states and 112755 transitions. [2022-01-28 12:57:26,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-28 12:57:26,263 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:57:26,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:26,352 INFO L225 Difference]: With dead ends: 41249 [2022-01-28 12:57:26,352 INFO L226 Difference]: Without dead ends: 41249 [2022-01-28 12:57:26,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1041 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=686, Invalid=5014, Unknown=0, NotChecked=0, Total=5700 [2022-01-28 12:57:26,353 INFO L933 BasicCegarLoop]: 1051 mSDtfsCounter, 2141 mSDsluCounter, 22173 mSDsCounter, 0 mSdLazyCounter, 4876 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2141 SdHoareTripleChecker+Valid, 22927 SdHoareTripleChecker+Invalid, 4895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:26,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2141 Valid, 22927 Invalid, 4895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4876 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-01-28 12:57:26,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41249 states. [2022-01-28 12:57:26,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41249 to 22795. [2022-01-28 12:57:26,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22795 states, 22794 states have (on average 2.7549355093445644) internal successors, (62796), 22794 states have internal predecessors, (62796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:26,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22795 states to 22795 states and 62796 transitions. [2022-01-28 12:57:26,934 INFO L78 Accepts]: Start accepts. Automaton has 22795 states and 62796 transitions. Word has length 199 [2022-01-28 12:57:26,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:26,934 INFO L470 AbstractCegarLoop]: Abstraction has 22795 states and 62796 transitions. [2022-01-28 12:57:26,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:26,934 INFO L276 IsEmpty]: Start isEmpty. Operand 22795 states and 62796 transitions. [2022-01-28 12:57:26,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:57:26,973 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:26,973 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:26,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-01-28 12:57:26,974 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:26,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:26,974 INFO L85 PathProgramCache]: Analyzing trace with hash -2083856911, now seen corresponding path program 50 times [2022-01-28 12:57:26,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:26,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713654367] [2022-01-28 12:57:26,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:26,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:27,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:27,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:27,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713654367] [2022-01-28 12:57:27,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713654367] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:27,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:27,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:57:27,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740480149] [2022-01-28 12:57:27,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:27,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:57:27,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:27,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:57:27,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:57:27,349 INFO L87 Difference]: Start difference. First operand 22795 states and 62796 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:31,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:31,042 INFO L93 Difference]: Finished difference Result 40242 states and 109897 transitions. [2022-01-28 12:57:31,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 12:57:31,042 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:57:31,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:31,115 INFO L225 Difference]: With dead ends: 40242 [2022-01-28 12:57:31,116 INFO L226 Difference]: Without dead ends: 40242 [2022-01-28 12:57:31,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=647, Invalid=4755, Unknown=0, NotChecked=0, Total=5402 [2022-01-28 12:57:31,117 INFO L933 BasicCegarLoop]: 1098 mSDtfsCounter, 1949 mSDsluCounter, 23013 mSDsCounter, 0 mSdLazyCounter, 4900 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1949 SdHoareTripleChecker+Valid, 23797 SdHoareTripleChecker+Invalid, 4919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:31,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1949 Valid, 23797 Invalid, 4919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4900 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-01-28 12:57:31,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40242 states. [2022-01-28 12:57:31,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40242 to 22587. [2022-01-28 12:57:31,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22587 states, 22586 states have (on average 2.752678650491455) internal successors, (62172), 22586 states have internal predecessors, (62172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:31,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22587 states to 22587 states and 62172 transitions. [2022-01-28 12:57:31,630 INFO L78 Accepts]: Start accepts. Automaton has 22587 states and 62172 transitions. Word has length 199 [2022-01-28 12:57:31,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:31,631 INFO L470 AbstractCegarLoop]: Abstraction has 22587 states and 62172 transitions. [2022-01-28 12:57:31,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:31,631 INFO L276 IsEmpty]: Start isEmpty. Operand 22587 states and 62172 transitions. [2022-01-28 12:57:31,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:57:31,767 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:31,767 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:31,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-01-28 12:57:31,767 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:31,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:31,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1390257003, now seen corresponding path program 51 times [2022-01-28 12:57:31,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:31,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499223593] [2022-01-28 12:57:31,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:31,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:32,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:32,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:32,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499223593] [2022-01-28 12:57:32,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499223593] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:32,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:32,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:57:32,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102413984] [2022-01-28 12:57:32,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:32,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:57:32,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:32,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:57:32,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:57:32,125 INFO L87 Difference]: Start difference. First operand 22587 states and 62172 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:35,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:35,244 INFO L93 Difference]: Finished difference Result 37931 states and 103594 transitions. [2022-01-28 12:57:35,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 12:57:35,244 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:57:35,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:35,310 INFO L225 Difference]: With dead ends: 37931 [2022-01-28 12:57:35,311 INFO L226 Difference]: Without dead ends: 37931 [2022-01-28 12:57:35,312 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 951 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=658, Invalid=4744, Unknown=0, NotChecked=0, Total=5402 [2022-01-28 12:57:35,312 INFO L933 BasicCegarLoop]: 956 mSDtfsCounter, 2059 mSDsluCounter, 20751 mSDsCounter, 0 mSdLazyCounter, 4859 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2059 SdHoareTripleChecker+Valid, 21351 SdHoareTripleChecker+Invalid, 4882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:35,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2059 Valid, 21351 Invalid, 4882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4859 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 12:57:35,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37931 states. [2022-01-28 12:57:35,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37931 to 22747. [2022-01-28 12:57:35,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22747 states, 22746 states have (on average 2.754594214367361) internal successors, (62656), 22746 states have internal predecessors, (62656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:35,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22747 states to 22747 states and 62656 transitions. [2022-01-28 12:57:35,884 INFO L78 Accepts]: Start accepts. Automaton has 22747 states and 62656 transitions. Word has length 199 [2022-01-28 12:57:35,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:35,884 INFO L470 AbstractCegarLoop]: Abstraction has 22747 states and 62656 transitions. [2022-01-28 12:57:35,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:35,884 INFO L276 IsEmpty]: Start isEmpty. Operand 22747 states and 62656 transitions. [2022-01-28 12:57:35,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:57:35,913 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:35,913 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:35,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-01-28 12:57:35,914 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:35,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:35,914 INFO L85 PathProgramCache]: Analyzing trace with hash 882912251, now seen corresponding path program 52 times [2022-01-28 12:57:35,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:35,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140550957] [2022-01-28 12:57:35,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:35,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:36,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:36,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:36,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140550957] [2022-01-28 12:57:36,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140550957] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:36,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:36,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:57:36,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358190980] [2022-01-28 12:57:36,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:36,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:57:36,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:36,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:57:36,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:57:36,246 INFO L87 Difference]: Start difference. First operand 22747 states and 62656 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:39,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:39,542 INFO L93 Difference]: Finished difference Result 37027 states and 101394 transitions. [2022-01-28 12:57:39,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-28 12:57:39,543 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:57:39,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:39,773 INFO L225 Difference]: With dead ends: 37027 [2022-01-28 12:57:39,773 INFO L226 Difference]: Without dead ends: 37027 [2022-01-28 12:57:39,773 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1004 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=659, Invalid=4891, Unknown=0, NotChecked=0, Total=5550 [2022-01-28 12:57:39,774 INFO L933 BasicCegarLoop]: 941 mSDtfsCounter, 1987 mSDsluCounter, 20164 mSDsCounter, 0 mSdLazyCounter, 4702 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1987 SdHoareTripleChecker+Valid, 20897 SdHoareTripleChecker+Invalid, 4725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:39,774 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1987 Valid, 20897 Invalid, 4725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4702 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 12:57:39,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37027 states. [2022-01-28 12:57:40,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37027 to 22683. [2022-01-28 12:57:40,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22683 states, 22682 states have (on average 2.7531963671633894) internal successors, (62448), 22682 states have internal predecessors, (62448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:40,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22683 states to 22683 states and 62448 transitions. [2022-01-28 12:57:40,458 INFO L78 Accepts]: Start accepts. Automaton has 22683 states and 62448 transitions. Word has length 199 [2022-01-28 12:57:40,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:40,458 INFO L470 AbstractCegarLoop]: Abstraction has 22683 states and 62448 transitions. [2022-01-28 12:57:40,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:40,458 INFO L276 IsEmpty]: Start isEmpty. Operand 22683 states and 62448 transitions. [2022-01-28 12:57:40,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:57:40,485 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:40,485 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:40,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-01-28 12:57:40,486 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:40,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:40,486 INFO L85 PathProgramCache]: Analyzing trace with hash 505715027, now seen corresponding path program 53 times [2022-01-28 12:57:40,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:40,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626828682] [2022-01-28 12:57:40,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:40,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:40,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:40,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:40,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626828682] [2022-01-28 12:57:40,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626828682] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:40,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:40,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:57:40,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566225719] [2022-01-28 12:57:40,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:40,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:57:40,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:40,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:57:40,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:57:40,882 INFO L87 Difference]: Start difference. First operand 22683 states and 62448 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:43,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:43,785 INFO L93 Difference]: Finished difference Result 34832 states and 95221 transitions. [2022-01-28 12:57:43,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-28 12:57:43,785 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:57:43,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:43,848 INFO L225 Difference]: With dead ends: 34832 [2022-01-28 12:57:43,848 INFO L226 Difference]: Without dead ends: 34832 [2022-01-28 12:57:43,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 791 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=602, Invalid=4228, Unknown=0, NotChecked=0, Total=4830 [2022-01-28 12:57:43,849 INFO L933 BasicCegarLoop]: 935 mSDtfsCounter, 1721 mSDsluCounter, 20106 mSDsCounter, 0 mSdLazyCounter, 4608 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1721 SdHoareTripleChecker+Valid, 20708 SdHoareTripleChecker+Invalid, 4627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:43,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1721 Valid, 20708 Invalid, 4627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4608 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 12:57:43,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34832 states. [2022-01-28 12:57:44,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34832 to 22635. [2022-01-28 12:57:44,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22635 states, 22634 states have (on average 2.75267296986834) internal successors, (62304), 22634 states have internal predecessors, (62304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:44,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22635 states to 22635 states and 62304 transitions. [2022-01-28 12:57:44,559 INFO L78 Accepts]: Start accepts. Automaton has 22635 states and 62304 transitions. Word has length 199 [2022-01-28 12:57:44,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:44,560 INFO L470 AbstractCegarLoop]: Abstraction has 22635 states and 62304 transitions. [2022-01-28 12:57:44,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:44,560 INFO L276 IsEmpty]: Start isEmpty. Operand 22635 states and 62304 transitions. [2022-01-28 12:57:44,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:57:44,594 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:44,594 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:44,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-01-28 12:57:44,594 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:44,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:44,595 INFO L85 PathProgramCache]: Analyzing trace with hash 868421715, now seen corresponding path program 54 times [2022-01-28 12:57:44,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:44,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108224577] [2022-01-28 12:57:44,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:44,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:44,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:44,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:44,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108224577] [2022-01-28 12:57:44,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108224577] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:44,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:44,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:57:44,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354835810] [2022-01-28 12:57:44,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:44,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:57:44,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:44,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:57:44,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:57:44,988 INFO L87 Difference]: Start difference. First operand 22635 states and 62304 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:48,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:48,436 INFO L93 Difference]: Finished difference Result 38523 states and 105184 transitions. [2022-01-28 12:57:48,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 12:57:48,436 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:57:48,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:48,510 INFO L225 Difference]: With dead ends: 38523 [2022-01-28 12:57:48,511 INFO L226 Difference]: Without dead ends: 38523 [2022-01-28 12:57:48,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1077 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=702, Invalid=5150, Unknown=0, NotChecked=0, Total=5852 [2022-01-28 12:57:48,512 INFO L933 BasicCegarLoop]: 993 mSDtfsCounter, 2003 mSDsluCounter, 21533 mSDsCounter, 0 mSdLazyCounter, 5032 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2003 SdHoareTripleChecker+Valid, 22130 SdHoareTripleChecker+Invalid, 5055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:48,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2003 Valid, 22130 Invalid, 5055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5032 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-01-28 12:57:48,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38523 states. [2022-01-28 12:57:49,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38523 to 22747. [2022-01-28 12:57:49,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22747 states, 22746 states have (on average 2.754594214367361) internal successors, (62656), 22746 states have internal predecessors, (62656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:49,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22747 states to 22747 states and 62656 transitions. [2022-01-28 12:57:49,103 INFO L78 Accepts]: Start accepts. Automaton has 22747 states and 62656 transitions. Word has length 199 [2022-01-28 12:57:49,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:49,104 INFO L470 AbstractCegarLoop]: Abstraction has 22747 states and 62656 transitions. [2022-01-28 12:57:49,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:49,104 INFO L276 IsEmpty]: Start isEmpty. Operand 22747 states and 62656 transitions. [2022-01-28 12:57:49,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:57:49,138 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:49,138 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:49,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-01-28 12:57:49,138 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:49,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:49,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1153376327, now seen corresponding path program 55 times [2022-01-28 12:57:49,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:49,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897414741] [2022-01-28 12:57:49,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:49,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:49,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:49,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:49,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897414741] [2022-01-28 12:57:49,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897414741] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:49,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:49,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:57:49,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513657516] [2022-01-28 12:57:49,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:49,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:57:49,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:49,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:57:49,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:57:49,539 INFO L87 Difference]: Start difference. First operand 22747 states and 62656 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:52,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:52,601 INFO L93 Difference]: Finished difference Result 37511 states and 102716 transitions. [2022-01-28 12:57:52,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 12:57:52,601 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:57:52,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:52,663 INFO L225 Difference]: With dead ends: 37511 [2022-01-28 12:57:52,663 INFO L226 Difference]: Without dead ends: 37511 [2022-01-28 12:57:52,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1096 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=681, Invalid=5171, Unknown=0, NotChecked=0, Total=5852 [2022-01-28 12:57:52,664 INFO L933 BasicCegarLoop]: 998 mSDtfsCounter, 1996 mSDsluCounter, 21319 mSDsCounter, 0 mSdLazyCounter, 4847 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1996 SdHoareTripleChecker+Valid, 22052 SdHoareTripleChecker+Invalid, 4870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:52,664 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1996 Valid, 22052 Invalid, 4870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4847 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 12:57:52,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37511 states. [2022-01-28 12:57:53,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37511 to 22683. [2022-01-28 12:57:53,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22683 states, 22682 states have (on average 2.7531963671633894) internal successors, (62448), 22682 states have internal predecessors, (62448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:53,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22683 states to 22683 states and 62448 transitions. [2022-01-28 12:57:53,186 INFO L78 Accepts]: Start accepts. Automaton has 22683 states and 62448 transitions. Word has length 199 [2022-01-28 12:57:53,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:53,187 INFO L470 AbstractCegarLoop]: Abstraction has 22683 states and 62448 transitions. [2022-01-28 12:57:53,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:53,187 INFO L276 IsEmpty]: Start isEmpty. Operand 22683 states and 62448 transitions. [2022-01-28 12:57:53,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:57:53,216 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:53,216 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:53,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-01-28 12:57:53,216 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:53,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:53,216 INFO L85 PathProgramCache]: Analyzing trace with hash -803922443, now seen corresponding path program 56 times [2022-01-28 12:57:53,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:53,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392848781] [2022-01-28 12:57:53,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:53,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:53,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:53,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:53,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392848781] [2022-01-28 12:57:53,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392848781] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:53,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:53,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:57:53,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795860293] [2022-01-28 12:57:53,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:53,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:57:53,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:53,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:57:53,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:57:53,525 INFO L87 Difference]: Start difference. First operand 22683 states and 62448 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:56,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:57:56,569 INFO L93 Difference]: Finished difference Result 34252 states and 93913 transitions. [2022-01-28 12:57:56,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-28 12:57:56,569 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:57:56,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:57:56,740 INFO L225 Difference]: With dead ends: 34252 [2022-01-28 12:57:56,741 INFO L226 Difference]: Without dead ends: 34252 [2022-01-28 12:57:56,741 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=590, Invalid=4380, Unknown=0, NotChecked=0, Total=4970 [2022-01-28 12:57:56,741 INFO L933 BasicCegarLoop]: 942 mSDtfsCounter, 1692 mSDsluCounter, 20020 mSDsCounter, 0 mSdLazyCounter, 4651 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1692 SdHoareTripleChecker+Valid, 20724 SdHoareTripleChecker+Invalid, 4670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:57:56,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1692 Valid, 20724 Invalid, 4670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4651 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 12:57:56,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34252 states. [2022-01-28 12:57:57,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34252 to 22599. [2022-01-28 12:57:57,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22599 states, 22598 states have (on average 2.752677228073281) internal successors, (62205), 22598 states have internal predecessors, (62205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:57,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22599 states to 22599 states and 62205 transitions. [2022-01-28 12:57:57,248 INFO L78 Accepts]: Start accepts. Automaton has 22599 states and 62205 transitions. Word has length 199 [2022-01-28 12:57:57,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:57:57,248 INFO L470 AbstractCegarLoop]: Abstraction has 22599 states and 62205 transitions. [2022-01-28 12:57:57,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:57:57,248 INFO L276 IsEmpty]: Start isEmpty. Operand 22599 states and 62205 transitions. [2022-01-28 12:57:57,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:57:57,287 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:57:57,287 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:57:57,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-01-28 12:57:57,287 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:57:57,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:57:57,288 INFO L85 PathProgramCache]: Analyzing trace with hash -710520743, now seen corresponding path program 57 times [2022-01-28 12:57:57,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:57:57,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967053531] [2022-01-28 12:57:57,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:57:57,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:57:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:57:57,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:57:57,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:57:57,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967053531] [2022-01-28 12:57:57,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967053531] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:57:57,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:57:57,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:57:57,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601393596] [2022-01-28 12:57:57,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:57:57,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:57:57,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:57:57,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:57:57,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:57:57,762 INFO L87 Difference]: Start difference. First operand 22599 states and 62205 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:01,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:58:01,995 INFO L93 Difference]: Finished difference Result 42529 states and 115942 transitions. [2022-01-28 12:58:01,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-28 12:58:01,996 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:58:01,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:58:02,081 INFO L225 Difference]: With dead ends: 42529 [2022-01-28 12:58:02,081 INFO L226 Difference]: Without dead ends: 42529 [2022-01-28 12:58:02,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1202 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=772, Invalid=5548, Unknown=0, NotChecked=0, Total=6320 [2022-01-28 12:58:02,082 INFO L933 BasicCegarLoop]: 1054 mSDtfsCounter, 2184 mSDsluCounter, 22800 mSDsCounter, 0 mSdLazyCounter, 5288 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2184 SdHoareTripleChecker+Valid, 23418 SdHoareTripleChecker+Invalid, 5311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-01-28 12:58:02,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2184 Valid, 23418 Invalid, 5311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5288 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-01-28 12:58:02,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42529 states. [2022-01-28 12:58:02,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42529 to 22727. [2022-01-28 12:58:02,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22727 states, 22726 states have (on average 2.754774267358972) internal successors, (62605), 22726 states have internal predecessors, (62605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:02,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22727 states to 22727 states and 62605 transitions. [2022-01-28 12:58:02,818 INFO L78 Accepts]: Start accepts. Automaton has 22727 states and 62605 transitions. Word has length 199 [2022-01-28 12:58:02,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:58:02,818 INFO L470 AbstractCegarLoop]: Abstraction has 22727 states and 62605 transitions. [2022-01-28 12:58:02,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:02,818 INFO L276 IsEmpty]: Start isEmpty. Operand 22727 states and 62605 transitions. [2022-01-28 12:58:02,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:58:02,856 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:58:02,856 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:58:02,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-01-28 12:58:02,856 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:58:02,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:58:02,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1562648511, now seen corresponding path program 58 times [2022-01-28 12:58:02,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:58:02,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288480563] [2022-01-28 12:58:02,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:58:02,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:58:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:58:03,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:58:03,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:58:03,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288480563] [2022-01-28 12:58:03,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288480563] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:58:03,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:58:03,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:58:03,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408486651] [2022-01-28 12:58:03,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:58:03,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:58:03,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:58:03,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:58:03,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:58:03,277 INFO L87 Difference]: Start difference. First operand 22727 states and 62605 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:06,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:58:06,753 INFO L93 Difference]: Finished difference Result 41346 states and 113036 transitions. [2022-01-28 12:58:06,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-28 12:58:06,754 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:58:06,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:58:06,819 INFO L225 Difference]: With dead ends: 41346 [2022-01-28 12:58:06,819 INFO L226 Difference]: Without dead ends: 41346 [2022-01-28 12:58:06,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1277 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=764, Invalid=5716, Unknown=0, NotChecked=0, Total=6480 [2022-01-28 12:58:06,820 INFO L933 BasicCegarLoop]: 1072 mSDtfsCounter, 2158 mSDsluCounter, 22796 mSDsCounter, 0 mSdLazyCounter, 5047 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2158 SdHoareTripleChecker+Valid, 23562 SdHoareTripleChecker+Invalid, 5070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-01-28 12:58:06,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2158 Valid, 23562 Invalid, 5070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5047 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-01-28 12:58:06,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41346 states. [2022-01-28 12:58:07,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41346 to 22663. [2022-01-28 12:58:07,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22663 states, 22662 states have (on average 2.7533756949960284) internal successors, (62397), 22662 states have internal predecessors, (62397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:07,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22663 states to 22663 states and 62397 transitions. [2022-01-28 12:58:07,468 INFO L78 Accepts]: Start accepts. Automaton has 22663 states and 62397 transitions. Word has length 199 [2022-01-28 12:58:07,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:58:07,468 INFO L470 AbstractCegarLoop]: Abstraction has 22663 states and 62397 transitions. [2022-01-28 12:58:07,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:07,468 INFO L276 IsEmpty]: Start isEmpty. Operand 22663 states and 62397 transitions. [2022-01-28 12:58:07,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:58:07,507 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:58:07,507 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:58:07,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-01-28 12:58:07,507 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:58:07,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:58:07,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1912102395, now seen corresponding path program 59 times [2022-01-28 12:58:07,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:58:07,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193448082] [2022-01-28 12:58:07,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:58:07,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:58:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:58:07,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:58:07,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:58:07,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193448082] [2022-01-28 12:58:07,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193448082] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:58:07,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:58:07,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:58:07,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174849868] [2022-01-28 12:58:07,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:58:07,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:58:07,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:58:07,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:58:07,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:58:07,946 INFO L87 Difference]: Start difference. First operand 22663 states and 62397 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:11,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:58:11,745 INFO L93 Difference]: Finished difference Result 37516 states and 102789 transitions. [2022-01-28 12:58:11,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 12:58:11,745 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:58:11,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:58:11,819 INFO L225 Difference]: With dead ends: 37516 [2022-01-28 12:58:11,819 INFO L226 Difference]: Without dead ends: 37516 [2022-01-28 12:58:11,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 962 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=643, Invalid=4759, Unknown=0, NotChecked=0, Total=5402 [2022-01-28 12:58:11,820 INFO L933 BasicCegarLoop]: 1017 mSDtfsCounter, 1868 mSDsluCounter, 21491 mSDsCounter, 0 mSdLazyCounter, 4864 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 22232 SdHoareTripleChecker+Invalid, 4883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-01-28 12:58:11,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1868 Valid, 22232 Invalid, 4883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4864 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-01-28 12:58:12,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37516 states. [2022-01-28 12:58:12,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37516 to 22615. [2022-01-28 12:58:12,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22615 states, 22614 states have (on average 2.7528522154417616) internal successors, (62253), 22614 states have internal predecessors, (62253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:12,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22615 states to 22615 states and 62253 transitions. [2022-01-28 12:58:12,404 INFO L78 Accepts]: Start accepts. Automaton has 22615 states and 62253 transitions. Word has length 199 [2022-01-28 12:58:12,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:58:12,405 INFO L470 AbstractCegarLoop]: Abstraction has 22615 states and 62253 transitions. [2022-01-28 12:58:12,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:12,405 INFO L276 IsEmpty]: Start isEmpty. Operand 22615 states and 62253 transitions. [2022-01-28 12:58:12,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:58:12,436 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:58:12,437 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:58:12,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-01-28 12:58:12,437 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:58:12,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:58:12,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1380492921, now seen corresponding path program 60 times [2022-01-28 12:58:12,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:58:12,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115650817] [2022-01-28 12:58:12,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:58:12,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:58:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:58:12,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:58:12,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:58:12,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115650817] [2022-01-28 12:58:12,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115650817] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:58:12,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:58:12,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:58:12,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351666698] [2022-01-28 12:58:12,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:58:12,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:58:12,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:58:12,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:58:12,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:58:12,806 INFO L87 Difference]: Start difference. First operand 22615 states and 62253 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:16,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:58:16,539 INFO L93 Difference]: Finished difference Result 38250 states and 104483 transitions. [2022-01-28 12:58:16,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 12:58:16,539 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:58:16,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:58:16,610 INFO L225 Difference]: With dead ends: 38250 [2022-01-28 12:58:16,610 INFO L226 Difference]: Without dead ends: 38250 [2022-01-28 12:58:16,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 961 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=642, Invalid=4760, Unknown=0, NotChecked=0, Total=5402 [2022-01-28 12:58:16,611 INFO L933 BasicCegarLoop]: 1046 mSDtfsCounter, 1839 mSDsluCounter, 22121 mSDsCounter, 0 mSdLazyCounter, 4800 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1839 SdHoareTripleChecker+Valid, 22869 SdHoareTripleChecker+Invalid, 4819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-01-28 12:58:16,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1839 Valid, 22869 Invalid, 4819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4800 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-01-28 12:58:16,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38250 states. [2022-01-28 12:58:17,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38250 to 22431. [2022-01-28 12:58:17,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22431 states, 22430 states have (on average 2.752697280427998) internal successors, (61743), 22430 states have internal predecessors, (61743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:17,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22431 states to 22431 states and 61743 transitions. [2022-01-28 12:58:17,167 INFO L78 Accepts]: Start accepts. Automaton has 22431 states and 61743 transitions. Word has length 199 [2022-01-28 12:58:17,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:58:17,167 INFO L470 AbstractCegarLoop]: Abstraction has 22431 states and 61743 transitions. [2022-01-28 12:58:17,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:17,167 INFO L276 IsEmpty]: Start isEmpty. Operand 22431 states and 61743 transitions. [2022-01-28 12:58:17,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:58:17,368 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:58:17,368 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:58:17,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-01-28 12:58:17,369 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:58:17,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:58:17,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1157505285, now seen corresponding path program 61 times [2022-01-28 12:58:17,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:58:17,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175763636] [2022-01-28 12:58:17,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:58:17,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:58:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:58:17,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:58:17,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:58:17,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175763636] [2022-01-28 12:58:17,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175763636] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:58:17,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:58:17,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:58:17,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640901116] [2022-01-28 12:58:17,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:58:17,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:58:17,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:58:17,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:58:17,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:58:17,775 INFO L87 Difference]: Start difference. First operand 22431 states and 61743 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:21,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:58:21,256 INFO L93 Difference]: Finished difference Result 37275 states and 101770 transitions. [2022-01-28 12:58:21,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-28 12:58:21,256 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:58:21,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:58:21,327 INFO L225 Difference]: With dead ends: 37275 [2022-01-28 12:58:21,327 INFO L226 Difference]: Without dead ends: 37275 [2022-01-28 12:58:21,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=734, Invalid=5272, Unknown=0, NotChecked=0, Total=6006 [2022-01-28 12:58:21,328 INFO L933 BasicCegarLoop]: 1008 mSDtfsCounter, 2140 mSDsluCounter, 21832 mSDsCounter, 0 mSdLazyCounter, 5021 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2140 SdHoareTripleChecker+Valid, 22407 SdHoareTripleChecker+Invalid, 5044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 12:58:21,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2140 Valid, 22407 Invalid, 5044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5021 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 12:58:21,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37275 states. [2022-01-28 12:58:21,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37275 to 22595. [2022-01-28 12:58:21,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22595 states, 22594 states have (on average 2.754625121713729) internal successors, (62238), 22594 states have internal predecessors, (62238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:21,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62238 transitions. [2022-01-28 12:58:21,935 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 62238 transitions. Word has length 199 [2022-01-28 12:58:21,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:58:21,935 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 62238 transitions. [2022-01-28 12:58:21,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:21,936 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 62238 transitions. [2022-01-28 12:58:21,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:58:21,974 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:58:21,974 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:58:21,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-01-28 12:58:21,974 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:58:21,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:58:21,975 INFO L85 PathProgramCache]: Analyzing trace with hash -864292757, now seen corresponding path program 62 times [2022-01-28 12:58:21,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:58:21,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725915798] [2022-01-28 12:58:21,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:58:21,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:58:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:58:22,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:58:22,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:58:22,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725915798] [2022-01-28 12:58:22,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725915798] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:58:22,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:58:22,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:58:22,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142265099] [2022-01-28 12:58:22,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:58:22,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:58:22,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:58:22,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:58:22,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:58:22,316 INFO L87 Difference]: Start difference. First operand 22595 states and 62238 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:25,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:58:25,423 INFO L93 Difference]: Finished difference Result 36195 states and 99102 transitions. [2022-01-28 12:58:25,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-28 12:58:25,423 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:58:25,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:58:25,476 INFO L225 Difference]: With dead ends: 36195 [2022-01-28 12:58:25,477 INFO L226 Difference]: Without dead ends: 36195 [2022-01-28 12:58:25,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1046 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=678, Invalid=5022, Unknown=0, NotChecked=0, Total=5700 [2022-01-28 12:58:25,478 INFO L933 BasicCegarLoop]: 964 mSDtfsCounter, 2065 mSDsluCounter, 20656 mSDsCounter, 0 mSdLazyCounter, 4773 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2065 SdHoareTripleChecker+Valid, 21370 SdHoareTripleChecker+Invalid, 4796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:58:25,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2065 Valid, 21370 Invalid, 4796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4773 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 12:58:25,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36195 states. [2022-01-28 12:58:26,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36195 to 22531. [2022-01-28 12:58:26,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22531 states, 22530 states have (on average 2.7532179316466934) internal successors, (62030), 22530 states have internal predecessors, (62030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:26,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22531 states to 22531 states and 62030 transitions. [2022-01-28 12:58:26,143 INFO L78 Accepts]: Start accepts. Automaton has 22531 states and 62030 transitions. Word has length 199 [2022-01-28 12:58:26,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:58:26,144 INFO L470 AbstractCegarLoop]: Abstraction has 22531 states and 62030 transitions. [2022-01-28 12:58:26,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:26,144 INFO L276 IsEmpty]: Start isEmpty. Operand 22531 states and 62030 transitions. [2022-01-28 12:58:26,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:58:26,175 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:58:26,175 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:58:26,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-01-28 12:58:26,175 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:58:26,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:58:26,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1241489981, now seen corresponding path program 63 times [2022-01-28 12:58:26,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:58:26,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103407575] [2022-01-28 12:58:26,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:58:26,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:58:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:58:26,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:58:26,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:58:26,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103407575] [2022-01-28 12:58:26,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103407575] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:58:26,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:58:26,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:58:26,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19284580] [2022-01-28 12:58:26,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:58:26,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:58:26,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:58:26,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:58:26,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:58:26,487 INFO L87 Difference]: Start difference. First operand 22531 states and 62030 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:29,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:58:29,640 INFO L93 Difference]: Finished difference Result 34240 states and 93577 transitions. [2022-01-28 12:58:29,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-28 12:58:29,641 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:58:29,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:58:29,693 INFO L225 Difference]: With dead ends: 34240 [2022-01-28 12:58:29,693 INFO L226 Difference]: Without dead ends: 34240 [2022-01-28 12:58:29,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=632, Invalid=4480, Unknown=0, NotChecked=0, Total=5112 [2022-01-28 12:58:29,694 INFO L933 BasicCegarLoop]: 985 mSDtfsCounter, 1725 mSDsluCounter, 21124 mSDsCounter, 0 mSdLazyCounter, 4784 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 21700 SdHoareTripleChecker+Invalid, 4803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:58:29,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1725 Valid, 21700 Invalid, 4803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4784 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 12:58:29,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34240 states. [2022-01-28 12:58:30,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34240 to 22483. [2022-01-28 12:58:30,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22483 states, 22482 states have (on average 2.7526910417222665) internal successors, (61886), 22482 states have internal predecessors, (61886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:30,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22483 states to 22483 states and 61886 transitions. [2022-01-28 12:58:30,216 INFO L78 Accepts]: Start accepts. Automaton has 22483 states and 61886 transitions. Word has length 199 [2022-01-28 12:58:30,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:58:30,217 INFO L470 AbstractCegarLoop]: Abstraction has 22483 states and 61886 transitions. [2022-01-28 12:58:30,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:30,217 INFO L276 IsEmpty]: Start isEmpty. Operand 22483 states and 61886 transitions. [2022-01-28 12:58:30,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:58:30,247 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:58:30,247 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:58:30,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-01-28 12:58:30,248 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:58:30,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:58:30,248 INFO L85 PathProgramCache]: Analyzing trace with hash -878783293, now seen corresponding path program 64 times [2022-01-28 12:58:30,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:58:30,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103343369] [2022-01-28 12:58:30,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:58:30,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:58:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:58:30,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:58:30,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:58:30,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103343369] [2022-01-28 12:58:30,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103343369] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:58:30,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:58:30,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:58:30,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111876546] [2022-01-28 12:58:30,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:58:30,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:58:30,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:58:30,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:58:30,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:58:30,676 INFO L87 Difference]: Start difference. First operand 22483 states and 61886 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:34,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:58:34,183 INFO L93 Difference]: Finished difference Result 37463 states and 102253 transitions. [2022-01-28 12:58:34,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 12:58:34,183 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:58:34,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:58:34,337 INFO L225 Difference]: With dead ends: 37463 [2022-01-28 12:58:34,337 INFO L226 Difference]: Without dead ends: 37463 [2022-01-28 12:58:34,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1057 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=723, Invalid=5129, Unknown=0, NotChecked=0, Total=5852 [2022-01-28 12:58:34,338 INFO L933 BasicCegarLoop]: 1027 mSDtfsCounter, 2005 mSDsluCounter, 22189 mSDsCounter, 0 mSdLazyCounter, 5090 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2005 SdHoareTripleChecker+Valid, 22747 SdHoareTripleChecker+Invalid, 5113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-01-28 12:58:34,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2005 Valid, 22747 Invalid, 5113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5090 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-01-28 12:58:34,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37463 states. [2022-01-28 12:58:34,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37463 to 22595. [2022-01-28 12:58:34,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22595 states, 22594 states have (on average 2.754625121713729) internal successors, (62238), 22594 states have internal predecessors, (62238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:34,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62238 transitions. [2022-01-28 12:58:34,818 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 62238 transitions. Word has length 199 [2022-01-28 12:58:34,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:58:34,819 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 62238 transitions. [2022-01-28 12:58:34,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:34,819 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 62238 transitions. [2022-01-28 12:58:34,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:58:34,857 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:58:34,857 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:58:34,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-01-28 12:58:34,858 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:58:34,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:58:34,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1394385961, now seen corresponding path program 65 times [2022-01-28 12:58:34,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:58:34,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510135333] [2022-01-28 12:58:34,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:58:34,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:58:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:58:35,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:58:35,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:58:35,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510135333] [2022-01-28 12:58:35,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510135333] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:58:35,399 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:58:35,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:58:35,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047630965] [2022-01-28 12:58:35,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:58:35,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:58:35,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:58:35,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:58:35,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:58:35,399 INFO L87 Difference]: Start difference. First operand 22595 states and 62238 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:38,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:58:38,710 INFO L93 Difference]: Finished difference Result 36099 states and 98849 transitions. [2022-01-28 12:58:38,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-28 12:58:38,710 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:58:38,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:58:38,763 INFO L225 Difference]: With dead ends: 36099 [2022-01-28 12:58:38,763 INFO L226 Difference]: Without dead ends: 36099 [2022-01-28 12:58:38,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 919 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=632, Invalid=4624, Unknown=0, NotChecked=0, Total=5256 [2022-01-28 12:58:38,764 INFO L933 BasicCegarLoop]: 990 mSDtfsCounter, 2002 mSDsluCounter, 21145 mSDsCounter, 0 mSdLazyCounter, 4784 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 21832 SdHoareTripleChecker+Invalid, 4807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-01-28 12:58:38,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2002 Valid, 21832 Invalid, 4807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4784 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-01-28 12:58:38,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36099 states. [2022-01-28 12:58:39,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36099 to 22531. [2022-01-28 12:58:39,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22531 states, 22530 states have (on average 2.7532179316466934) internal successors, (62030), 22530 states have internal predecessors, (62030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:39,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22531 states to 22531 states and 62030 transitions. [2022-01-28 12:58:39,376 INFO L78 Accepts]: Start accepts. Automaton has 22531 states and 62030 transitions. Word has length 199 [2022-01-28 12:58:39,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:58:39,377 INFO L470 AbstractCegarLoop]: Abstraction has 22531 states and 62030 transitions. [2022-01-28 12:58:39,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:39,377 INFO L276 IsEmpty]: Start isEmpty. Operand 22531 states and 62030 transitions. [2022-01-28 12:58:39,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:58:39,408 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:58:39,409 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:58:39,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-01-28 12:58:39,409 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:58:39,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:58:39,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1743839845, now seen corresponding path program 66 times [2022-01-28 12:58:39,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:58:39,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320008060] [2022-01-28 12:58:39,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:58:39,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:58:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:58:39,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:58:39,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:58:39,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320008060] [2022-01-28 12:58:39,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320008060] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:58:39,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:58:39,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:58:39,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534288428] [2022-01-28 12:58:39,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:58:39,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:58:39,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:58:39,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:58:39,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:58:39,812 INFO L87 Difference]: Start difference. First operand 22531 states and 62030 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:43,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:58:43,105 INFO L93 Difference]: Finished difference Result 32883 states and 90158 transitions. [2022-01-28 12:58:43,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-28 12:58:43,106 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:58:43,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:58:43,154 INFO L225 Difference]: With dead ends: 32883 [2022-01-28 12:58:43,154 INFO L226 Difference]: Without dead ends: 32883 [2022-01-28 12:58:43,154 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=575, Invalid=4117, Unknown=0, NotChecked=0, Total=4692 [2022-01-28 12:58:43,154 INFO L933 BasicCegarLoop]: 937 mSDtfsCounter, 1701 mSDsluCounter, 19897 mSDsCounter, 0 mSdLazyCounter, 4593 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1701 SdHoareTripleChecker+Valid, 20559 SdHoareTripleChecker+Invalid, 4612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 12:58:43,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1701 Valid, 20559 Invalid, 4612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4593 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 12:58:43,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32883 states. [2022-01-28 12:58:43,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32883 to 22447. [2022-01-28 12:58:43,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22447 states, 22446 states have (on average 2.752695357747483) internal successors, (61787), 22446 states have internal predecessors, (61787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:43,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22447 states to 22447 states and 61787 transitions. [2022-01-28 12:58:43,641 INFO L78 Accepts]: Start accepts. Automaton has 22447 states and 61787 transitions. Word has length 199 [2022-01-28 12:58:43,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:58:43,641 INFO L470 AbstractCegarLoop]: Abstraction has 22447 states and 61787 transitions. [2022-01-28 12:58:43,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:43,641 INFO L276 IsEmpty]: Start isEmpty. Operand 22447 states and 61787 transitions. [2022-01-28 12:58:43,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:58:43,668 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:58:43,668 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:58:43,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-01-28 12:58:43,668 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:58:43,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:58:43,668 INFO L85 PathProgramCache]: Analyzing trace with hash 196946853, now seen corresponding path program 67 times [2022-01-28 12:58:43,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:58:43,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536585970] [2022-01-28 12:58:43,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:58:43,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:58:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:58:43,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:58:43,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:58:43,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536585970] [2022-01-28 12:58:43,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536585970] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:58:43,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:58:43,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:58:43,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274342717] [2022-01-28 12:58:43,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:58:43,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:58:43,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:58:43,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:58:43,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:58:43,980 INFO L87 Difference]: Start difference. First operand 22447 states and 61787 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:47,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:58:47,220 INFO L93 Difference]: Finished difference Result 37135 states and 101381 transitions. [2022-01-28 12:58:47,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-28 12:58:47,220 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:58:47,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:58:47,281 INFO L225 Difference]: With dead ends: 37135 [2022-01-28 12:58:47,281 INFO L226 Difference]: Without dead ends: 37135 [2022-01-28 12:58:47,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1233 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=812, Invalid=5668, Unknown=0, NotChecked=0, Total=6480 [2022-01-28 12:58:47,282 INFO L933 BasicCegarLoop]: 1040 mSDtfsCounter, 2274 mSDsluCounter, 22464 mSDsCounter, 0 mSdLazyCounter, 5035 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2274 SdHoareTripleChecker+Valid, 23033 SdHoareTripleChecker+Invalid, 5058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:58:47,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2274 Valid, 23033 Invalid, 5058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5035 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 12:58:47,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37135 states. [2022-01-28 12:58:47,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37135 to 22575. [2022-01-28 12:58:47,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22575 states, 22574 states have (on average 2.7548064144591122) internal successors, (62187), 22574 states have internal predecessors, (62187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:47,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22575 states to 22575 states and 62187 transitions. [2022-01-28 12:58:47,783 INFO L78 Accepts]: Start accepts. Automaton has 22575 states and 62187 transitions. Word has length 199 [2022-01-28 12:58:47,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:58:47,783 INFO L470 AbstractCegarLoop]: Abstraction has 22575 states and 62187 transitions. [2022-01-28 12:58:47,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:47,783 INFO L276 IsEmpty]: Start isEmpty. Operand 22575 states and 62187 transitions. [2022-01-28 12:58:47,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:58:47,811 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:58:47,811 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:58:47,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-01-28 12:58:47,811 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:58:47,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:58:47,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1824851189, now seen corresponding path program 68 times [2022-01-28 12:58:47,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:58:47,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248008230] [2022-01-28 12:58:47,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:58:47,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:58:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:58:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:58:48,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:58:48,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248008230] [2022-01-28 12:58:48,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248008230] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:58:48,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:58:48,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:58:48,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977556448] [2022-01-28 12:58:48,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:58:48,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:58:48,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:58:48,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:58:48,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:58:48,121 INFO L87 Difference]: Start difference. First operand 22575 states and 62187 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:51,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:58:51,113 INFO L93 Difference]: Finished difference Result 36011 states and 98596 transitions. [2022-01-28 12:58:51,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 12:58:51,113 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:58:51,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:58:51,264 INFO L225 Difference]: With dead ends: 36011 [2022-01-28 12:58:51,264 INFO L226 Difference]: Without dead ends: 36011 [2022-01-28 12:58:51,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1083 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=713, Invalid=5139, Unknown=0, NotChecked=0, Total=5852 [2022-01-28 12:58:51,264 INFO L933 BasicCegarLoop]: 982 mSDtfsCounter, 2177 mSDsluCounter, 21001 mSDsCounter, 0 mSdLazyCounter, 4770 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2177 SdHoareTripleChecker+Valid, 21711 SdHoareTripleChecker+Invalid, 4793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:58:51,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2177 Valid, 21711 Invalid, 4793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4770 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 12:58:51,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36011 states. [2022-01-28 12:58:51,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36011 to 22515. [2022-01-28 12:58:51,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22515 states, 22514 states have (on average 2.753575552989251) internal successors, (61994), 22514 states have internal predecessors, (61994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:51,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22515 states to 22515 states and 61994 transitions. [2022-01-28 12:58:51,640 INFO L78 Accepts]: Start accepts. Automaton has 22515 states and 61994 transitions. Word has length 199 [2022-01-28 12:58:51,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:58:51,640 INFO L470 AbstractCegarLoop]: Abstraction has 22515 states and 61994 transitions. [2022-01-28 12:58:51,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:51,640 INFO L276 IsEmpty]: Start isEmpty. Operand 22515 states and 61994 transitions. [2022-01-28 12:58:51,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:58:51,669 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:58:51,669 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:58:51,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-01-28 12:58:51,669 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:58:51,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:58:51,670 INFO L85 PathProgramCache]: Analyzing trace with hash 2092918883, now seen corresponding path program 69 times [2022-01-28 12:58:51,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:58:51,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023414788] [2022-01-28 12:58:51,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:58:51,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:58:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:58:52,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:58:52,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:58:52,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023414788] [2022-01-28 12:58:52,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023414788] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:58:52,071 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:58:52,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:58:52,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910377622] [2022-01-28 12:58:52,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:58:52,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:58:52,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:58:52,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:58:52,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:58:52,072 INFO L87 Difference]: Start difference. First operand 22515 states and 61994 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:55,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:58:55,451 INFO L93 Difference]: Finished difference Result 34128 states and 93265 transitions. [2022-01-28 12:58:55,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-28 12:58:55,455 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:58:55,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:58:55,517 INFO L225 Difference]: With dead ends: 34128 [2022-01-28 12:58:55,517 INFO L226 Difference]: Without dead ends: 34128 [2022-01-28 12:58:55,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=696, Invalid=4854, Unknown=0, NotChecked=0, Total=5550 [2022-01-28 12:58:55,517 INFO L933 BasicCegarLoop]: 1017 mSDtfsCounter, 1818 mSDsluCounter, 21733 mSDsCounter, 0 mSdLazyCounter, 4807 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1818 SdHoareTripleChecker+Valid, 22304 SdHoareTripleChecker+Invalid, 4826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-01-28 12:58:55,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1818 Valid, 22304 Invalid, 4826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4807 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-01-28 12:58:55,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34128 states. [2022-01-28 12:58:55,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34128 to 22467. [2022-01-28 12:58:55,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22467 states, 22466 states have (on average 2.75304905190065) internal successors, (61850), 22466 states have internal predecessors, (61850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:56,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22467 states to 22467 states and 61850 transitions. [2022-01-28 12:58:56,054 INFO L78 Accepts]: Start accepts. Automaton has 22467 states and 61850 transitions. Word has length 199 [2022-01-28 12:58:56,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:58:56,054 INFO L470 AbstractCegarLoop]: Abstraction has 22467 states and 61850 transitions. [2022-01-28 12:58:56,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:56,054 INFO L276 IsEmpty]: Start isEmpty. Operand 22467 states and 61850 transitions. [2022-01-28 12:58:56,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:58:56,081 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:58:56,081 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:58:56,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-01-28 12:58:56,081 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:58:56,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:58:56,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1746717073, now seen corresponding path program 70 times [2022-01-28 12:58:56,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:58:56,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224729257] [2022-01-28 12:58:56,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:58:56,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:58:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:58:56,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:58:56,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:58:56,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224729257] [2022-01-28 12:58:56,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224729257] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:58:56,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:58:56,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:58:56,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002353609] [2022-01-28 12:58:56,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:58:56,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:58:56,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:58:56,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:58:56,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:58:56,399 INFO L87 Difference]: Start difference. First operand 22467 states and 61850 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:58:59,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:58:59,447 INFO L93 Difference]: Finished difference Result 35242 states and 96056 transitions. [2022-01-28 12:58:59,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-28 12:58:59,447 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:58:59,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:58:59,498 INFO L225 Difference]: With dead ends: 35242 [2022-01-28 12:58:59,498 INFO L226 Difference]: Without dead ends: 35242 [2022-01-28 12:58:59,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 966 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=701, Invalid=4849, Unknown=0, NotChecked=0, Total=5550 [2022-01-28 12:58:59,499 INFO L933 BasicCegarLoop]: 1040 mSDtfsCounter, 2020 mSDsluCounter, 22253 mSDsCounter, 0 mSdLazyCounter, 4784 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 22805 SdHoareTripleChecker+Invalid, 4803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:58:59,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2020 Valid, 22805 Invalid, 4803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4784 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 12:58:59,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35242 states. [2022-01-28 12:58:59,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35242 to 22511. [2022-01-28 12:58:59,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22511 states, 22510 states have (on average 2.7528653931585962) internal successors, (61967), 22510 states have internal predecessors, (61967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:00,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions. [2022-01-28 12:59:00,051 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199 [2022-01-28 12:59:00,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:59:00,051 INFO L470 AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions. [2022-01-28 12:59:00,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:00,052 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions. [2022-01-28 12:59:00,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:59:00,090 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:59:00,092 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:59:00,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-01-28 12:59:00,092 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:59:00,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:59:00,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1664338851, now seen corresponding path program 71 times [2022-01-28 12:59:00,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:59:00,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948424348] [2022-01-28 12:59:00,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:59:00,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:59:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:59:00,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:59:00,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:59:00,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948424348] [2022-01-28 12:59:00,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948424348] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:59:00,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:59:00,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:59:00,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108767059] [2022-01-28 12:59:00,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:59:00,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:59:00,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:59:00,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:59:00,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:59:00,474 INFO L87 Difference]: Start difference. First operand 22511 states and 61967 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:03,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:59:03,776 INFO L93 Difference]: Finished difference Result 37827 states and 103284 transitions. [2022-01-28 12:59:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-28 12:59:03,777 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:59:03,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:59:03,856 INFO L225 Difference]: With dead ends: 37827 [2022-01-28 12:59:03,856 INFO L226 Difference]: Without dead ends: 37827 [2022-01-28 12:59:03,857 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=680, Invalid=4870, Unknown=0, NotChecked=0, Total=5550 [2022-01-28 12:59:03,857 INFO L933 BasicCegarLoop]: 995 mSDtfsCounter, 2110 mSDsluCounter, 21525 mSDsCounter, 0 mSdLazyCounter, 4962 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2110 SdHoareTripleChecker+Valid, 22124 SdHoareTripleChecker+Invalid, 4985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 12:59:03,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2110 Valid, 22124 Invalid, 4985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4962 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 12:59:03,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37827 states. [2022-01-28 12:59:04,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37827 to 22671. [2022-01-28 12:59:04,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22671 states, 22670 states have (on average 2.754786060873401) internal successors, (62451), 22670 states have internal predecessors, (62451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:04,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22671 states to 22671 states and 62451 transitions. [2022-01-28 12:59:04,479 INFO L78 Accepts]: Start accepts. Automaton has 22671 states and 62451 transitions. Word has length 199 [2022-01-28 12:59:04,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:59:04,479 INFO L470 AbstractCegarLoop]: Abstraction has 22671 states and 62451 transitions. [2022-01-28 12:59:04,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:04,480 INFO L276 IsEmpty]: Start isEmpty. Operand 22671 states and 62451 transitions. [2022-01-28 12:59:04,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:59:04,518 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:59:04,518 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:59:04,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-01-28 12:59:04,519 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:59:04,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:59:04,519 INFO L85 PathProgramCache]: Analyzing trace with hash -357459191, now seen corresponding path program 72 times [2022-01-28 12:59:04,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:59:04,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712559149] [2022-01-28 12:59:04,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:59:04,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:59:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:59:04,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:59:04,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:59:04,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712559149] [2022-01-28 12:59:04,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712559149] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:59:04,894 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:59:04,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:59:04,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449956064] [2022-01-28 12:59:04,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:59:04,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:59:04,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:59:04,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:59:04,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:59:04,897 INFO L87 Difference]: Start difference. First operand 22671 states and 62451 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:08,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:59:08,143 INFO L93 Difference]: Finished difference Result 36923 states and 101084 transitions. [2022-01-28 12:59:08,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-28 12:59:08,144 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:59:08,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:59:08,308 INFO L225 Difference]: With dead ends: 36923 [2022-01-28 12:59:08,308 INFO L226 Difference]: Without dead ends: 36923 [2022-01-28 12:59:08,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 998 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=667, Invalid=4883, Unknown=0, NotChecked=0, Total=5550 [2022-01-28 12:59:08,308 INFO L933 BasicCegarLoop]: 980 mSDtfsCounter, 2015 mSDsluCounter, 20869 mSDsCounter, 0 mSdLazyCounter, 4805 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2015 SdHoareTripleChecker+Valid, 21618 SdHoareTripleChecker+Invalid, 4828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 12:59:08,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2015 Valid, 21618 Invalid, 4828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4805 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 12:59:08,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36923 states. [2022-01-28 12:59:08,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36923 to 22607. [2022-01-28 12:59:08,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22607 states, 22606 states have (on average 2.7533840573299124) internal successors, (62243), 22606 states have internal predecessors, (62243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:08,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22607 states to 22607 states and 62243 transitions. [2022-01-28 12:59:08,701 INFO L78 Accepts]: Start accepts. Automaton has 22607 states and 62243 transitions. Word has length 199 [2022-01-28 12:59:08,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:59:08,701 INFO L470 AbstractCegarLoop]: Abstraction has 22607 states and 62243 transitions. [2022-01-28 12:59:08,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:08,701 INFO L276 IsEmpty]: Start isEmpty. Operand 22607 states and 62243 transitions. [2022-01-28 12:59:08,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:59:08,730 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:59:08,730 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:59:08,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-01-28 12:59:08,730 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:59:08,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:59:08,730 INFO L85 PathProgramCache]: Analyzing trace with hash -734656415, now seen corresponding path program 73 times [2022-01-28 12:59:08,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:59:08,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297981589] [2022-01-28 12:59:08,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:59:08,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:59:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:59:09,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:59:09,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:59:09,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297981589] [2022-01-28 12:59:09,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297981589] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:59:09,157 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:59:09,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:59:09,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322120489] [2022-01-28 12:59:09,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:59:09,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:59:09,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:59:09,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:59:09,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:59:09,158 INFO L87 Difference]: Start difference. First operand 22607 states and 62243 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:11,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:59:11,961 INFO L93 Difference]: Finished difference Result 34792 states and 95091 transitions. [2022-01-28 12:59:11,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-28 12:59:11,961 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:59:11,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:59:12,010 INFO L225 Difference]: With dead ends: 34792 [2022-01-28 12:59:12,010 INFO L226 Difference]: Without dead ends: 34792 [2022-01-28 12:59:12,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=619, Invalid=4351, Unknown=0, NotChecked=0, Total=4970 [2022-01-28 12:59:12,011 INFO L933 BasicCegarLoop]: 975 mSDtfsCounter, 1721 mSDsluCounter, 20865 mSDsCounter, 0 mSdLazyCounter, 4722 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1721 SdHoareTripleChecker+Valid, 21468 SdHoareTripleChecker+Invalid, 4741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:59:12,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1721 Valid, 21468 Invalid, 4741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4722 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 12:59:12,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34792 states. [2022-01-28 12:59:12,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34792 to 22559. [2022-01-28 12:59:12,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22559 states, 22558 states have (on average 2.7528592960368825) internal successors, (62099), 22558 states have internal predecessors, (62099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:12,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22559 states to 22559 states and 62099 transitions. [2022-01-28 12:59:12,379 INFO L78 Accepts]: Start accepts. Automaton has 22559 states and 62099 transitions. Word has length 199 [2022-01-28 12:59:12,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:59:12,379 INFO L470 AbstractCegarLoop]: Abstraction has 22559 states and 62099 transitions. [2022-01-28 12:59:12,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:12,379 INFO L276 IsEmpty]: Start isEmpty. Operand 22559 states and 62099 transitions. [2022-01-28 12:59:12,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:59:12,465 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:59:12,466 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:59:12,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-01-28 12:59:12,466 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:59:12,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:59:12,466 INFO L85 PathProgramCache]: Analyzing trace with hash -371949727, now seen corresponding path program 74 times [2022-01-28 12:59:12,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:59:12,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132610511] [2022-01-28 12:59:12,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:59:12,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:59:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:59:12,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:59:12,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:59:12,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132610511] [2022-01-28 12:59:12,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132610511] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:59:12,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:59:12,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:59:12,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376417525] [2022-01-28 12:59:12,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:59:12,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:59:12,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:59:12,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:59:12,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:59:12,770 INFO L87 Difference]: Start difference. First operand 22559 states and 62099 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:15,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:59:15,825 INFO L93 Difference]: Finished difference Result 38031 states and 103811 transitions. [2022-01-28 12:59:15,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-28 12:59:15,825 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:59:15,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:59:15,880 INFO L225 Difference]: With dead ends: 38031 [2022-01-28 12:59:15,880 INFO L226 Difference]: Without dead ends: 38031 [2022-01-28 12:59:15,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=734, Invalid=5272, Unknown=0, NotChecked=0, Total=6006 [2022-01-28 12:59:15,881 INFO L933 BasicCegarLoop]: 1017 mSDtfsCounter, 2033 mSDsluCounter, 21995 mSDsCounter, 0 mSdLazyCounter, 5050 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2033 SdHoareTripleChecker+Valid, 22578 SdHoareTripleChecker+Invalid, 5073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5050 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:59:15,881 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2033 Valid, 22578 Invalid, 5073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5050 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 12:59:15,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38031 states. [2022-01-28 12:59:16,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38031 to 22671. [2022-01-28 12:59:16,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22671 states, 22670 states have (on average 2.754786060873401) internal successors, (62451), 22670 states have internal predecessors, (62451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:16,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22671 states to 22671 states and 62451 transitions. [2022-01-28 12:59:16,330 INFO L78 Accepts]: Start accepts. Automaton has 22671 states and 62451 transitions. Word has length 199 [2022-01-28 12:59:16,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:59:16,330 INFO L470 AbstractCegarLoop]: Abstraction has 22671 states and 62451 transitions. [2022-01-28 12:59:16,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:16,330 INFO L276 IsEmpty]: Start isEmpty. Operand 22671 states and 62451 transitions. [2022-01-28 12:59:16,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:59:16,358 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:59:16,358 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:59:16,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-01-28 12:59:16,358 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:59:16,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:59:16,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1901219527, now seen corresponding path program 75 times [2022-01-28 12:59:16,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:59:16,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472273615] [2022-01-28 12:59:16,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:59:16,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:59:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:59:16,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:59:16,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:59:16,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472273615] [2022-01-28 12:59:16,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472273615] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:59:16,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:59:16,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:59:16,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712004449] [2022-01-28 12:59:16,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:59:16,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:59:16,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:59:16,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:59:16,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:59:16,664 INFO L87 Difference]: Start difference. First operand 22671 states and 62451 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:19,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:59:19,602 INFO L93 Difference]: Finished difference Result 36843 states and 100875 transitions. [2022-01-28 12:59:19,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-28 12:59:19,603 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:59:19,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:59:19,659 INFO L225 Difference]: With dead ends: 36843 [2022-01-28 12:59:19,659 INFO L226 Difference]: Without dead ends: 36843 [2022-01-28 12:59:19,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1046 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=678, Invalid=5022, Unknown=0, NotChecked=0, Total=5700 [2022-01-28 12:59:19,660 INFO L933 BasicCegarLoop]: 1009 mSDtfsCounter, 2024 mSDsluCounter, 21469 mSDsCounter, 0 mSdLazyCounter, 4833 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2024 SdHoareTripleChecker+Valid, 22193 SdHoareTripleChecker+Invalid, 4856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:59:19,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2024 Valid, 22193 Invalid, 4856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4833 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 12:59:19,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36843 states. [2022-01-28 12:59:20,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36843 to 22607. [2022-01-28 12:59:20,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22607 states, 22606 states have (on average 2.7533840573299124) internal successors, (62243), 22606 states have internal predecessors, (62243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:20,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22607 states to 22607 states and 62243 transitions. [2022-01-28 12:59:20,147 INFO L78 Accepts]: Start accepts. Automaton has 22607 states and 62243 transitions. Word has length 199 [2022-01-28 12:59:20,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:59:20,147 INFO L470 AbstractCegarLoop]: Abstraction has 22607 states and 62243 transitions. [2022-01-28 12:59:20,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:20,148 INFO L276 IsEmpty]: Start isEmpty. Operand 22607 states and 62243 transitions. [2022-01-28 12:59:20,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:59:20,175 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:59:20,175 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:59:20,176 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-01-28 12:59:20,176 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:59:20,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:59:20,176 INFO L85 PathProgramCache]: Analyzing trace with hash -2044293885, now seen corresponding path program 76 times [2022-01-28 12:59:20,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:59:20,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974666675] [2022-01-28 12:59:20,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:59:20,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:59:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:59:20,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:59:20,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:59:20,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974666675] [2022-01-28 12:59:20,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974666675] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:59:20,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:59:20,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:59:20,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144395102] [2022-01-28 12:59:20,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:59:20,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:59:20,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:59:20,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:59:20,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:59:20,490 INFO L87 Difference]: Start difference. First operand 22607 states and 62243 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:23,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:59:23,217 INFO L93 Difference]: Finished difference Result 33584 states and 92072 transitions. [2022-01-28 12:59:23,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-28 12:59:23,218 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:59:23,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:59:23,266 INFO L225 Difference]: With dead ends: 33584 [2022-01-28 12:59:23,266 INFO L226 Difference]: Without dead ends: 33584 [2022-01-28 12:59:23,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 803 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=584, Invalid=4246, Unknown=0, NotChecked=0, Total=4830 [2022-01-28 12:59:23,267 INFO L933 BasicCegarLoop]: 953 mSDtfsCounter, 1699 mSDsluCounter, 20175 mSDsCounter, 0 mSdLazyCounter, 4646 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 20871 SdHoareTripleChecker+Invalid, 4665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:59:23,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1699 Valid, 20871 Invalid, 4665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4646 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 12:59:23,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33584 states. [2022-01-28 12:59:23,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33584 to 22523. [2022-01-28 12:59:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22523 states, 22522 states have (on average 2.7528638664417016) internal successors, (62000), 22522 states have internal predecessors, (62000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:23,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22523 states to 22523 states and 62000 transitions. [2022-01-28 12:59:23,824 INFO L78 Accepts]: Start accepts. Automaton has 22523 states and 62000 transitions. Word has length 199 [2022-01-28 12:59:23,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:59:23,824 INFO L470 AbstractCegarLoop]: Abstraction has 22523 states and 62000 transitions. [2022-01-28 12:59:23,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:23,824 INFO L276 IsEmpty]: Start isEmpty. Operand 22523 states and 62000 transitions. [2022-01-28 12:59:23,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:59:23,849 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:59:23,850 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:59:23,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-01-28 12:59:23,850 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:59:23,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:59:23,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1224668251, now seen corresponding path program 77 times [2022-01-28 12:59:23,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:59:23,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111874263] [2022-01-28 12:59:23,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:59:23,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:59:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:59:24,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:59:24,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:59:24,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111874263] [2022-01-28 12:59:24,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111874263] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:59:24,161 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:59:24,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:59:24,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318445127] [2022-01-28 12:59:24,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:59:24,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:59:24,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:59:24,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:59:24,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:59:24,163 INFO L87 Difference]: Start difference. First operand 22523 states and 62000 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:27,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:59:27,445 INFO L93 Difference]: Finished difference Result 41861 states and 114085 transitions. [2022-01-28 12:59:27,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-28 12:59:27,445 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:59:27,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:59:27,512 INFO L225 Difference]: With dead ends: 41861 [2022-01-28 12:59:27,513 INFO L226 Difference]: Without dead ends: 41861 [2022-01-28 12:59:27,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1232 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=812, Invalid=5668, Unknown=0, NotChecked=0, Total=6480 [2022-01-28 12:59:27,513 INFO L933 BasicCegarLoop]: 1074 mSDtfsCounter, 2214 mSDsluCounter, 23128 mSDsCounter, 0 mSdLazyCounter, 5284 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2214 SdHoareTripleChecker+Valid, 23730 SdHoareTripleChecker+Invalid, 5307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:59:27,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2214 Valid, 23730 Invalid, 5307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5284 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 12:59:27,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41861 states. [2022-01-28 12:59:27,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41861 to 22651. [2022-01-28 12:59:27,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22651 states, 22650 states have (on average 2.7549668874172184) internal successors, (62400), 22650 states have internal predecessors, (62400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:28,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22651 states to 22651 states and 62400 transitions. [2022-01-28 12:59:28,084 INFO L78 Accepts]: Start accepts. Automaton has 22651 states and 62400 transitions. Word has length 199 [2022-01-28 12:59:28,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:59:28,084 INFO L470 AbstractCegarLoop]: Abstraction has 22651 states and 62400 transitions. [2022-01-28 12:59:28,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:28,084 INFO L276 IsEmpty]: Start isEmpty. Operand 22651 states and 62400 transitions. [2022-01-28 12:59:28,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:59:28,109 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:59:28,110 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:59:28,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-01-28 12:59:28,110 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:59:28,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:59:28,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1048501003, now seen corresponding path program 78 times [2022-01-28 12:59:28,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:59:28,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487959320] [2022-01-28 12:59:28,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:59:28,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:59:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:59:28,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:59:28,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:59:28,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487959320] [2022-01-28 12:59:28,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487959320] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:59:28,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:59:28,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:59:28,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926158786] [2022-01-28 12:59:28,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:59:28,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:59:28,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:59:28,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:59:28,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:59:28,419 INFO L87 Difference]: Start difference. First operand 22651 states and 62400 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:31,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:59:31,565 INFO L93 Difference]: Finished difference Result 40458 states and 110594 transitions. [2022-01-28 12:59:31,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-28 12:59:31,565 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:59:31,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:59:31,629 INFO L225 Difference]: With dead ends: 40458 [2022-01-28 12:59:31,629 INFO L226 Difference]: Without dead ends: 40458 [2022-01-28 12:59:31,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1220 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=766, Invalid=5554, Unknown=0, NotChecked=0, Total=6320 [2022-01-28 12:59:31,630 INFO L933 BasicCegarLoop]: 1078 mSDtfsCounter, 2186 mSDsluCounter, 22786 mSDsCounter, 0 mSdLazyCounter, 5010 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2186 SdHoareTripleChecker+Valid, 23540 SdHoareTripleChecker+Invalid, 5033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:59:31,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2186 Valid, 23540 Invalid, 5033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5010 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 12:59:31,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40458 states. [2022-01-28 12:59:32,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40458 to 22587. [2022-01-28 12:59:32,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22587 states, 22586 states have (on average 2.753564154786151) internal successors, (62192), 22586 states have internal predecessors, (62192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:32,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22587 states to 22587 states and 62192 transitions. [2022-01-28 12:59:32,119 INFO L78 Accepts]: Start accepts. Automaton has 22587 states and 62192 transitions. Word has length 199 [2022-01-28 12:59:32,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:59:32,119 INFO L470 AbstractCegarLoop]: Abstraction has 22587 states and 62192 transitions. [2022-01-28 12:59:32,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:32,120 INFO L276 IsEmpty]: Start isEmpty. Operand 22587 states and 62192 transitions. [2022-01-28 12:59:32,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:59:32,148 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:59:32,148 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:59:32,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-01-28 12:59:32,148 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:59:32,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:59:32,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1397954887, now seen corresponding path program 79 times [2022-01-28 12:59:32,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:59:32,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228466652] [2022-01-28 12:59:32,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:59:32,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:59:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:59:32,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:59:32,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:59:32,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228466652] [2022-01-28 12:59:32,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228466652] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:59:32,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:59:32,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:59:32,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313678383] [2022-01-28 12:59:32,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:59:32,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:59:32,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:59:32,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:59:32,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:59:32,461 INFO L87 Difference]: Start difference. First operand 22587 states and 62192 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:35,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:59:35,312 INFO L93 Difference]: Finished difference Result 36628 states and 100347 transitions. [2022-01-28 12:59:35,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-28 12:59:35,312 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:59:35,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:59:35,371 INFO L225 Difference]: With dead ends: 36628 [2022-01-28 12:59:35,371 INFO L226 Difference]: Without dead ends: 36628 [2022-01-28 12:59:35,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=640, Invalid=4616, Unknown=0, NotChecked=0, Total=5256 [2022-01-28 12:59:35,372 INFO L933 BasicCegarLoop]: 1023 mSDtfsCounter, 1896 mSDsluCounter, 21487 mSDsCounter, 0 mSdLazyCounter, 4834 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1896 SdHoareTripleChecker+Valid, 22217 SdHoareTripleChecker+Invalid, 4853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 12:59:35,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1896 Valid, 22217 Invalid, 4853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4834 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 12:59:35,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36628 states. [2022-01-28 12:59:35,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36628 to 22539. [2022-01-28 12:59:35,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22539 states, 22538 states have (on average 2.753039311385216) internal successors, (62048), 22538 states have internal predecessors, (62048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:35,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22539 states to 22539 states and 62048 transitions. [2022-01-28 12:59:35,850 INFO L78 Accepts]: Start accepts. Automaton has 22539 states and 62048 transitions. Word has length 199 [2022-01-28 12:59:35,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:59:35,851 INFO L470 AbstractCegarLoop]: Abstraction has 22539 states and 62048 transitions. [2022-01-28 12:59:35,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:35,851 INFO L276 IsEmpty]: Start isEmpty. Operand 22539 states and 62048 transitions. [2022-01-28 12:59:35,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:59:35,878 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:59:35,878 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:59:35,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-01-28 12:59:35,879 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:59:35,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:59:35,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1894640429, now seen corresponding path program 80 times [2022-01-28 12:59:35,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:59:35,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172075304] [2022-01-28 12:59:35,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:59:35,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:59:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:59:36,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:59:36,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:59:36,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172075304] [2022-01-28 12:59:36,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172075304] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:59:36,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:59:36,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:59:36,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563143370] [2022-01-28 12:59:36,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:59:36,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:59:36,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:59:36,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:59:36,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:59:36,191 INFO L87 Difference]: Start difference. First operand 22539 states and 62048 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:39,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:59:39,140 INFO L93 Difference]: Finished difference Result 37362 states and 102041 transitions. [2022-01-28 12:59:39,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-28 12:59:39,140 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:59:39,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:59:39,197 INFO L225 Difference]: With dead ends: 37362 [2022-01-28 12:59:39,197 INFO L226 Difference]: Without dead ends: 37362 [2022-01-28 12:59:39,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 913 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=641, Invalid=4615, Unknown=0, NotChecked=0, Total=5256 [2022-01-28 12:59:39,197 INFO L933 BasicCegarLoop]: 1052 mSDtfsCounter, 1846 mSDsluCounter, 22087 mSDsCounter, 0 mSdLazyCounter, 4772 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 22825 SdHoareTripleChecker+Invalid, 4791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 12:59:39,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1846 Valid, 22825 Invalid, 4791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4772 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 12:59:39,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37362 states. [2022-01-28 12:59:39,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37362 to 22511. [2022-01-28 12:59:39,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22511 states, 22510 states have (on average 2.7528653931585962) internal successors, (61967), 22510 states have internal predecessors, (61967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:39,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions. [2022-01-28 12:59:39,637 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199 [2022-01-28 12:59:39,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:59:39,637 INFO L470 AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions. [2022-01-28 12:59:39,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:39,637 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions. [2022-01-28 12:59:39,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:59:39,770 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:59:39,771 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:59:39,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-01-28 12:59:39,771 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:59:39,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:59:39,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1617964849, now seen corresponding path program 81 times [2022-01-28 12:59:39,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:59:39,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388205171] [2022-01-28 12:59:39,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:59:39,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:59:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:59:40,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:59:40,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:59:40,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388205171] [2022-01-28 12:59:40,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388205171] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:59:40,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:59:40,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:59:40,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294497535] [2022-01-28 12:59:40,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:59:40,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:59:40,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:59:40,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:59:40,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:59:40,086 INFO L87 Difference]: Start difference. First operand 22511 states and 61967 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:43,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:59:43,423 INFO L93 Difference]: Finished difference Result 44752 states and 121950 transitions. [2022-01-28 12:59:43,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-28 12:59:43,423 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:59:43,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:59:43,492 INFO L225 Difference]: With dead ends: 44752 [2022-01-28 12:59:43,492 INFO L226 Difference]: Without dead ends: 44752 [2022-01-28 12:59:43,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1302 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=803, Invalid=5839, Unknown=0, NotChecked=0, Total=6642 [2022-01-28 12:59:43,493 INFO L933 BasicCegarLoop]: 1073 mSDtfsCounter, 2311 mSDsluCounter, 23376 mSDsCounter, 0 mSdLazyCounter, 5438 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2311 SdHoareTripleChecker+Valid, 24011 SdHoareTripleChecker+Invalid, 5461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 12:59:43,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2311 Valid, 24011 Invalid, 5461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5438 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 12:59:43,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44752 states. [2022-01-28 12:59:43,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44752 to 23015. [2022-01-28 12:59:43,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23015 states, 23014 states have (on average 2.757147823064222) internal successors, (63453), 23014 states have internal predecessors, (63453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:44,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23015 states to 23015 states and 63453 transitions. [2022-01-28 12:59:44,008 INFO L78 Accepts]: Start accepts. Automaton has 23015 states and 63453 transitions. Word has length 199 [2022-01-28 12:59:44,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:59:44,009 INFO L470 AbstractCegarLoop]: Abstraction has 23015 states and 63453 transitions. [2022-01-28 12:59:44,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:44,009 INFO L276 IsEmpty]: Start isEmpty. Operand 23015 states and 63453 transitions. [2022-01-28 12:59:44,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:59:44,038 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:59:44,038 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:59:44,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-01-28 12:59:44,039 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:59:44,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:59:44,039 INFO L85 PathProgramCache]: Analyzing trace with hash 655204405, now seen corresponding path program 82 times [2022-01-28 12:59:44,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:59:44,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529003938] [2022-01-28 12:59:44,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:59:44,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:59:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:59:44,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:59:44,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:59:44,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529003938] [2022-01-28 12:59:44,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529003938] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:59:44,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:59:44,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:59:44,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796983357] [2022-01-28 12:59:44,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:59:44,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:59:44,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:59:44,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:59:44,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:59:44,359 INFO L87 Difference]: Start difference. First operand 23015 states and 63453 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:47,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:59:47,691 INFO L93 Difference]: Finished difference Result 42905 states and 117307 transitions. [2022-01-28 12:59:47,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-28 12:59:47,692 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:59:47,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:59:47,751 INFO L225 Difference]: With dead ends: 42905 [2022-01-28 12:59:47,752 INFO L226 Difference]: Without dead ends: 42905 [2022-01-28 12:59:47,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1383 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=784, Invalid=6022, Unknown=0, NotChecked=0, Total=6806 [2022-01-28 12:59:47,752 INFO L933 BasicCegarLoop]: 1068 mSDtfsCounter, 2269 mSDsluCounter, 22970 mSDsCounter, 0 mSdLazyCounter, 5185 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2269 SdHoareTripleChecker+Valid, 23747 SdHoareTripleChecker+Invalid, 5208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 12:59:47,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2269 Valid, 23747 Invalid, 5208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5185 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 12:59:47,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42905 states. [2022-01-28 12:59:48,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42905 to 22951. [2022-01-28 12:59:48,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22951 states, 22950 states have (on average 2.755773420479303) internal successors, (63245), 22950 states have internal predecessors, (63245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:48,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22951 states to 22951 states and 63245 transitions. [2022-01-28 12:59:48,305 INFO L78 Accepts]: Start accepts. Automaton has 22951 states and 63245 transitions. Word has length 199 [2022-01-28 12:59:48,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:59:48,306 INFO L470 AbstractCegarLoop]: Abstraction has 22951 states and 63245 transitions. [2022-01-28 12:59:48,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:48,306 INFO L276 IsEmpty]: Start isEmpty. Operand 22951 states and 63245 transitions. [2022-01-28 12:59:48,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:59:48,330 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:59:48,330 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:59:48,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-01-28 12:59:48,330 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:59:48,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:59:48,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1716625521, now seen corresponding path program 83 times [2022-01-28 12:59:48,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:59:48,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294841586] [2022-01-28 12:59:48,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:59:48,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:59:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:59:48,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:59:48,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:59:48,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294841586] [2022-01-28 12:59:48,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294841586] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:59:48,644 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:59:48,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:59:48,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672545883] [2022-01-28 12:59:48,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:59:48,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:59:48,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:59:48,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:59:48,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:59:48,645 INFO L87 Difference]: Start difference. First operand 22951 states and 63245 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:51,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:59:51,692 INFO L93 Difference]: Finished difference Result 41047 states and 112522 transitions. [2022-01-28 12:59:51,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 12:59:51,692 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:59:51,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:59:51,753 INFO L225 Difference]: With dead ends: 41047 [2022-01-28 12:59:51,753 INFO L226 Difference]: Without dead ends: 41047 [2022-01-28 12:59:51,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=683, Invalid=5169, Unknown=0, NotChecked=0, Total=5852 [2022-01-28 12:59:51,754 INFO L933 BasicCegarLoop]: 1063 mSDtfsCounter, 1999 mSDsluCounter, 22565 mSDsCounter, 0 mSdLazyCounter, 5141 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1999 SdHoareTripleChecker+Valid, 23350 SdHoareTripleChecker+Invalid, 5160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:59:51,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1999 Valid, 23350 Invalid, 5160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5141 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 12:59:51,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41047 states. [2022-01-28 12:59:52,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41047 to 22903. [2022-01-28 12:59:52,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22903 states, 22902 states have (on average 2.755261549209676) internal successors, (63101), 22902 states have internal predecessors, (63101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:52,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22903 states to 22903 states and 63101 transitions. [2022-01-28 12:59:52,247 INFO L78 Accepts]: Start accepts. Automaton has 22903 states and 63101 transitions. Word has length 199 [2022-01-28 12:59:52,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:59:52,247 INFO L470 AbstractCegarLoop]: Abstraction has 22903 states and 63101 transitions. [2022-01-28 12:59:52,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:52,247 INFO L276 IsEmpty]: Start isEmpty. Operand 22903 states and 63101 transitions. [2022-01-28 12:59:52,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:59:52,274 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:59:52,274 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:59:52,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-01-28 12:59:52,274 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:59:52,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:59:52,275 INFO L85 PathProgramCache]: Analyzing trace with hash -115338621, now seen corresponding path program 84 times [2022-01-28 12:59:52,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:59:52,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616108060] [2022-01-28 12:59:52,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:59:52,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:59:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:59:52,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:59:52,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:59:52,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616108060] [2022-01-28 12:59:52,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616108060] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:59:52,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:59:52,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:59:52,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742219686] [2022-01-28 12:59:52,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:59:52,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:59:52,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:59:52,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:59:52,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:59:52,588 INFO L87 Difference]: Start difference. First operand 22903 states and 63101 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:55,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:59:55,679 INFO L93 Difference]: Finished difference Result 42405 states and 115914 transitions. [2022-01-28 12:59:55,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 12:59:55,679 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:59:55,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:59:55,743 INFO L225 Difference]: With dead ends: 42405 [2022-01-28 12:59:55,743 INFO L226 Difference]: Without dead ends: 42405 [2022-01-28 12:59:55,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=682, Invalid=5170, Unknown=0, NotChecked=0, Total=5852 [2022-01-28 12:59:55,744 INFO L933 BasicCegarLoop]: 1076 mSDtfsCounter, 2055 mSDsluCounter, 22845 mSDsCounter, 0 mSdLazyCounter, 5059 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2055 SdHoareTripleChecker+Valid, 23641 SdHoareTripleChecker+Invalid, 5078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 12:59:55,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2055 Valid, 23641 Invalid, 5078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5059 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 12:59:55,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42405 states. [2022-01-28 12:59:56,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42405 to 22887. [2022-01-28 12:59:56,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22887 states, 22886 states have (on average 2.75509044830901) internal successors, (63053), 22886 states have internal predecessors, (63053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:56,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22887 states to 22887 states and 63053 transitions. [2022-01-28 12:59:56,262 INFO L78 Accepts]: Start accepts. Automaton has 22887 states and 63053 transitions. Word has length 199 [2022-01-28 12:59:56,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 12:59:56,262 INFO L470 AbstractCegarLoop]: Abstraction has 22887 states and 63053 transitions. [2022-01-28 12:59:56,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:56,262 INFO L276 IsEmpty]: Start isEmpty. Operand 22887 states and 63053 transitions. [2022-01-28 12:59:56,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 12:59:56,289 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 12:59:56,289 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 12:59:56,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-01-28 12:59:56,290 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 12:59:56,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 12:59:56,290 INFO L85 PathProgramCache]: Analyzing trace with hash -716569939, now seen corresponding path program 85 times [2022-01-28 12:59:56,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 12:59:56,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589799950] [2022-01-28 12:59:56,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 12:59:56,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 12:59:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 12:59:56,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 12:59:56,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 12:59:56,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589799950] [2022-01-28 12:59:56,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589799950] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 12:59:56,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 12:59:56,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 12:59:56,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691973778] [2022-01-28 12:59:56,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 12:59:56,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 12:59:56,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 12:59:56,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 12:59:56,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 12:59:56,597 INFO L87 Difference]: Start difference. First operand 22887 states and 63053 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 12:59:59,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 12:59:59,606 INFO L93 Difference]: Finished difference Result 41398 states and 113056 transitions. [2022-01-28 12:59:59,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-28 12:59:59,607 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 12:59:59,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 12:59:59,667 INFO L225 Difference]: With dead ends: 41398 [2022-01-28 12:59:59,667 INFO L226 Difference]: Without dead ends: 41398 [2022-01-28 12:59:59,668 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1008 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=642, Invalid=4908, Unknown=0, NotChecked=0, Total=5550 [2022-01-28 12:59:59,668 INFO L933 BasicCegarLoop]: 1123 mSDtfsCounter, 1884 mSDsluCounter, 23734 mSDsCounter, 0 mSdLazyCounter, 5083 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1884 SdHoareTripleChecker+Valid, 24559 SdHoareTripleChecker+Invalid, 5102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 12:59:59,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1884 Valid, 24559 Invalid, 5102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5083 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 12:59:59,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41398 states. [2022-01-28 13:00:00,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41398 to 22679. [2022-01-28 13:00:00,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22679 states, 22678 states have (on average 2.752844166152218) internal successors, (62429), 22678 states have internal predecessors, (62429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:00,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22679 states to 22679 states and 62429 transitions. [2022-01-28 13:00:00,205 INFO L78 Accepts]: Start accepts. Automaton has 22679 states and 62429 transitions. Word has length 199 [2022-01-28 13:00:00,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:00:00,205 INFO L470 AbstractCegarLoop]: Abstraction has 22679 states and 62429 transitions. [2022-01-28 13:00:00,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:00,206 INFO L276 IsEmpty]: Start isEmpty. Operand 22679 states and 62429 transitions. [2022-01-28 13:00:00,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:00:00,237 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:00:00,238 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:00:00,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-01-28 13:00:00,238 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:00:00,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:00:00,238 INFO L85 PathProgramCache]: Analyzing trace with hash -22970031, now seen corresponding path program 86 times [2022-01-28 13:00:00,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:00:00,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480834788] [2022-01-28 13:00:00,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:00:00,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:00:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:00:00,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:00:00,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:00:00,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480834788] [2022-01-28 13:00:00,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480834788] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:00:00,545 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:00:00,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:00:00,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608145188] [2022-01-28 13:00:00,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:00:00,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:00:00,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:00:00,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:00:00,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:00:00,546 INFO L87 Difference]: Start difference. First operand 22679 states and 62429 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:03,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:00:03,513 INFO L93 Difference]: Finished difference Result 38407 states and 104883 transitions. [2022-01-28 13:00:03,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-01-28 13:00:03,513 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:00:03,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:00:03,567 INFO L225 Difference]: With dead ends: 38407 [2022-01-28 13:00:03,567 INFO L226 Difference]: Without dead ends: 38407 [2022-01-28 13:00:03,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 915 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=639, Invalid=4617, Unknown=0, NotChecked=0, Total=5256 [2022-01-28 13:00:03,568 INFO L933 BasicCegarLoop]: 953 mSDtfsCounter, 1948 mSDsluCounter, 20631 mSDsCounter, 0 mSdLazyCounter, 4945 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1948 SdHoareTripleChecker+Valid, 21270 SdHoareTripleChecker+Invalid, 4968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:00:03,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1948 Valid, 21270 Invalid, 4968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4945 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:00:03,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38407 states. [2022-01-28 13:00:03,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38407 to 22839. [2022-01-28 13:00:03,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22839 states, 22838 states have (on average 2.754750853840091) internal successors, (62913), 22838 states have internal predecessors, (62913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:03,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22839 states to 22839 states and 62913 transitions. [2022-01-28 13:00:03,995 INFO L78 Accepts]: Start accepts. Automaton has 22839 states and 62913 transitions. Word has length 199 [2022-01-28 13:00:03,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:00:03,996 INFO L470 AbstractCegarLoop]: Abstraction has 22839 states and 62913 transitions. [2022-01-28 13:00:03,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:03,996 INFO L276 IsEmpty]: Start isEmpty. Operand 22839 states and 62913 transitions. [2022-01-28 13:00:04,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:00:04,126 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:00:04,126 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:00:04,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-01-28 13:00:04,126 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:00:04,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:00:04,127 INFO L85 PathProgramCache]: Analyzing trace with hash -2044768073, now seen corresponding path program 87 times [2022-01-28 13:00:04,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:00:04,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401194982] [2022-01-28 13:00:04,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:00:04,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:00:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:00:04,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:00:04,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:00:04,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401194982] [2022-01-28 13:00:04,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401194982] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:00:04,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:00:04,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:00:04,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44875715] [2022-01-28 13:00:04,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:00:04,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:00:04,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:00:04,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:00:04,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:00:04,456 INFO L87 Difference]: Start difference. First operand 22839 states and 62913 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:07,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:00:07,269 INFO L93 Difference]: Finished difference Result 37503 states and 102683 transitions. [2022-01-28 13:00:07,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-28 13:00:07,269 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:00:07,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:00:07,433 INFO L225 Difference]: With dead ends: 37503 [2022-01-28 13:00:07,434 INFO L226 Difference]: Without dead ends: 37503 [2022-01-28 13:00:07,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1006 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=651, Invalid=4899, Unknown=0, NotChecked=0, Total=5550 [2022-01-28 13:00:07,434 INFO L933 BasicCegarLoop]: 966 mSDtfsCounter, 1897 mSDsluCounter, 20598 mSDsCounter, 0 mSdLazyCounter, 4848 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 21380 SdHoareTripleChecker+Invalid, 4871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 13:00:07,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1897 Valid, 21380 Invalid, 4871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4848 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 13:00:07,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37503 states. [2022-01-28 13:00:07,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37503 to 22775. [2022-01-28 13:00:07,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22775 states, 22774 states have (on average 2.753359093703346) internal successors, (62705), 22774 states have internal predecessors, (62705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:07,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22775 states to 22775 states and 62705 transitions. [2022-01-28 13:00:07,832 INFO L78 Accepts]: Start accepts. Automaton has 22775 states and 62705 transitions. Word has length 199 [2022-01-28 13:00:07,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:00:07,832 INFO L470 AbstractCegarLoop]: Abstraction has 22775 states and 62705 transitions. [2022-01-28 13:00:07,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:07,832 INFO L276 IsEmpty]: Start isEmpty. Operand 22775 states and 62705 transitions. [2022-01-28 13:00:07,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:00:07,860 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:00:07,860 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:00:07,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-01-28 13:00:07,860 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:00:07,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:00:07,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1873001999, now seen corresponding path program 88 times [2022-01-28 13:00:07,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:00:07,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761587322] [2022-01-28 13:00:07,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:00:07,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:00:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:00:08,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:00:08,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:00:08,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761587322] [2022-01-28 13:00:08,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761587322] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:00:08,166 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:00:08,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:00:08,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070588487] [2022-01-28 13:00:08,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:00:08,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:00:08,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:00:08,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:00:08,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:00:08,167 INFO L87 Difference]: Start difference. First operand 22775 states and 62705 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:10,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:00:10,946 INFO L93 Difference]: Finished difference Result 35308 states and 96510 transitions. [2022-01-28 13:00:10,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-28 13:00:10,947 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:00:10,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:00:11,001 INFO L225 Difference]: With dead ends: 35308 [2022-01-28 13:00:11,001 INFO L226 Difference]: Without dead ends: 35308 [2022-01-28 13:00:11,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=588, Invalid=4104, Unknown=0, NotChecked=0, Total=4692 [2022-01-28 13:00:11,002 INFO L933 BasicCegarLoop]: 932 mSDtfsCounter, 1661 mSDsluCounter, 19999 mSDsCounter, 0 mSdLazyCounter, 4682 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1661 SdHoareTripleChecker+Valid, 20639 SdHoareTripleChecker+Invalid, 4701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:00:11,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1661 Valid, 20639 Invalid, 4701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4682 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:00:11,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35308 states. [2022-01-28 13:00:11,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35308 to 22727. [2022-01-28 13:00:11,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22727 states, 22726 states have (on average 2.7528381589369006) internal successors, (62561), 22726 states have internal predecessors, (62561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:11,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22727 states to 22727 states and 62561 transitions. [2022-01-28 13:00:11,552 INFO L78 Accepts]: Start accepts. Automaton has 22727 states and 62561 transitions. Word has length 199 [2022-01-28 13:00:11,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:00:11,552 INFO L470 AbstractCegarLoop]: Abstraction has 22727 states and 62561 transitions. [2022-01-28 13:00:11,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:11,553 INFO L276 IsEmpty]: Start isEmpty. Operand 22727 states and 62561 transitions. [2022-01-28 13:00:11,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:00:11,580 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:00:11,580 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:00:11,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-01-28 13:00:11,581 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:00:11,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:00:11,581 INFO L85 PathProgramCache]: Analyzing trace with hash -2059258609, now seen corresponding path program 89 times [2022-01-28 13:00:11,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:00:11,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722729740] [2022-01-28 13:00:11,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:00:11,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:00:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:00:11,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:00:11,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:00:11,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722729740] [2022-01-28 13:00:11,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722729740] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:00:11,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:00:11,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:00:11,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902023298] [2022-01-28 13:00:11,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:00:11,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:00:11,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:00:11,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:00:11,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:00:11,890 INFO L87 Difference]: Start difference. First operand 22727 states and 62561 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:14,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:00:14,986 INFO L93 Difference]: Finished difference Result 38999 states and 106473 transitions. [2022-01-28 13:00:14,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-28 13:00:14,986 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:00:14,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:00:15,047 INFO L225 Difference]: With dead ends: 38999 [2022-01-28 13:00:15,047 INFO L226 Difference]: Without dead ends: 38999 [2022-01-28 13:00:15,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1044 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=673, Invalid=5027, Unknown=0, NotChecked=0, Total=5700 [2022-01-28 13:00:15,048 INFO L933 BasicCegarLoop]: 990 mSDtfsCounter, 1913 mSDsluCounter, 21468 mSDsCounter, 0 mSdLazyCounter, 5137 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1913 SdHoareTripleChecker+Valid, 22102 SdHoareTripleChecker+Invalid, 5160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:00:15,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1913 Valid, 22102 Invalid, 5160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5137 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:00:15,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38999 states. [2022-01-28 13:00:15,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38999 to 22839. [2022-01-28 13:00:15,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22839 states, 22838 states have (on average 2.754750853840091) internal successors, (62913), 22838 states have internal predecessors, (62913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:15,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22839 states to 22839 states and 62913 transitions. [2022-01-28 13:00:15,575 INFO L78 Accepts]: Start accepts. Automaton has 22839 states and 62913 transitions. Word has length 199 [2022-01-28 13:00:15,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:00:15,575 INFO L470 AbstractCegarLoop]: Abstraction has 22839 states and 62913 transitions. [2022-01-28 13:00:15,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:15,575 INFO L276 IsEmpty]: Start isEmpty. Operand 22839 states and 62913 transitions. [2022-01-28 13:00:15,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:00:15,606 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:00:15,606 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:00:15,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-01-28 13:00:15,607 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:00:15,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:00:15,607 INFO L85 PathProgramCache]: Analyzing trace with hash 213910645, now seen corresponding path program 90 times [2022-01-28 13:00:15,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:00:15,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799701410] [2022-01-28 13:00:15,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:00:15,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:00:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:00:15,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:00:15,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:00:15,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799701410] [2022-01-28 13:00:15,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799701410] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:00:15,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:00:15,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:00:15,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492397480] [2022-01-28 13:00:15,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:00:15,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:00:15,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:00:15,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:00:15,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:00:15,919 INFO L87 Difference]: Start difference. First operand 22839 states and 62913 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:18,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:00:18,991 INFO L93 Difference]: Finished difference Result 37987 states and 104005 transitions. [2022-01-28 13:00:18,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 13:00:18,991 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:00:18,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:00:19,051 INFO L225 Difference]: With dead ends: 37987 [2022-01-28 13:00:19,051 INFO L226 Difference]: Without dead ends: 37987 [2022-01-28 13:00:19,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1101 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=667, Invalid=5185, Unknown=0, NotChecked=0, Total=5852 [2022-01-28 13:00:19,052 INFO L933 BasicCegarLoop]: 1023 mSDtfsCounter, 1906 mSDsluCounter, 21843 mSDsCounter, 0 mSdLazyCounter, 5013 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1906 SdHoareTripleChecker+Valid, 22622 SdHoareTripleChecker+Invalid, 5036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:00:19,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1906 Valid, 22622 Invalid, 5036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5013 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:00:19,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37987 states. [2022-01-28 13:00:19,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37987 to 22775. [2022-01-28 13:00:19,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22775 states, 22774 states have (on average 2.753359093703346) internal successors, (62705), 22774 states have internal predecessors, (62705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:19,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22775 states to 22775 states and 62705 transitions. [2022-01-28 13:00:19,462 INFO L78 Accepts]: Start accepts. Automaton has 22775 states and 62705 transitions. Word has length 199 [2022-01-28 13:00:19,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:00:19,462 INFO L470 AbstractCegarLoop]: Abstraction has 22775 states and 62705 transitions. [2022-01-28 13:00:19,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:19,462 INFO L276 IsEmpty]: Start isEmpty. Operand 22775 states and 62705 transitions. [2022-01-28 13:00:19,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:00:19,489 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:00:19,490 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:00:19,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-01-28 13:00:19,490 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:00:19,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:00:19,490 INFO L85 PathProgramCache]: Analyzing trace with hash 563364529, now seen corresponding path program 91 times [2022-01-28 13:00:19,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:00:19,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90870209] [2022-01-28 13:00:19,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:00:19,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:00:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:00:19,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:00:19,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:00:19,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90870209] [2022-01-28 13:00:19,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90870209] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:00:19,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:00:19,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:00:19,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734646323] [2022-01-28 13:00:19,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:00:19,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:00:19,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:00:19,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:00:19,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:00:19,911 INFO L87 Difference]: Start difference. First operand 22775 states and 62705 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:22,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:00:22,641 INFO L93 Difference]: Finished difference Result 34728 states and 95202 transitions. [2022-01-28 13:00:22,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-28 13:00:22,642 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:00:22,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:00:22,699 INFO L225 Difference]: With dead ends: 34728 [2022-01-28 13:00:22,699 INFO L226 Difference]: Without dead ends: 34728 [2022-01-28 13:00:22,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=580, Invalid=4390, Unknown=0, NotChecked=0, Total=4970 [2022-01-28 13:00:22,700 INFO L933 BasicCegarLoop]: 967 mSDtfsCounter, 1623 mSDsluCounter, 20535 mSDsCounter, 0 mSdLazyCounter, 4812 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1623 SdHoareTripleChecker+Valid, 21284 SdHoareTripleChecker+Invalid, 4831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 13:00:22,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1623 Valid, 21284 Invalid, 4831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4812 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 13:00:22,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34728 states. [2022-01-28 13:00:23,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34728 to 22691. [2022-01-28 13:00:23,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22691 states, 22690 states have (on average 2.7528426619656234) internal successors, (62462), 22690 states have internal predecessors, (62462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:23,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22691 states to 22691 states and 62462 transitions. [2022-01-28 13:00:23,193 INFO L78 Accepts]: Start accepts. Automaton has 22691 states and 62462 transitions. Word has length 199 [2022-01-28 13:00:23,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:00:23,193 INFO L470 AbstractCegarLoop]: Abstraction has 22691 states and 62462 transitions. [2022-01-28 13:00:23,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:23,193 INFO L276 IsEmpty]: Start isEmpty. Operand 22691 states and 62462 transitions. [2022-01-28 13:00:23,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:00:23,223 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:00:23,223 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:00:23,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-01-28 13:00:23,223 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:00:23,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:00:23,224 INFO L85 PathProgramCache]: Analyzing trace with hash 656766229, now seen corresponding path program 92 times [2022-01-28 13:00:23,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:00:23,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053807458] [2022-01-28 13:00:23,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:00:23,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:00:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:00:23,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:00:23,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:00:23,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053807458] [2022-01-28 13:00:23,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053807458] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:00:23,531 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:00:23,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:00:23,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796985803] [2022-01-28 13:00:23,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:00:23,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:00:23,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:00:23,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:00:23,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:00:23,532 INFO L87 Difference]: Start difference. First operand 22691 states and 62462 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:26,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:00:26,769 INFO L93 Difference]: Finished difference Result 43045 states and 117349 transitions. [2022-01-28 13:00:26,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-28 13:00:26,770 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:00:26,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:00:26,831 INFO L225 Difference]: With dead ends: 43045 [2022-01-28 13:00:26,832 INFO L226 Difference]: Without dead ends: 43045 [2022-01-28 13:00:26,832 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1171 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=735, Invalid=5427, Unknown=0, NotChecked=0, Total=6162 [2022-01-28 13:00:26,832 INFO L933 BasicCegarLoop]: 1051 mSDtfsCounter, 2094 mSDsluCounter, 22803 mSDsCounter, 0 mSdLazyCounter, 5412 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2094 SdHoareTripleChecker+Valid, 23456 SdHoareTripleChecker+Invalid, 5435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:00:26,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2094 Valid, 23456 Invalid, 5435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5412 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 13:00:26,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43045 states. [2022-01-28 13:00:27,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43045 to 22819. [2022-01-28 13:00:27,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22819 states, 22818 states have (on average 2.754930318169866) internal successors, (62862), 22818 states have internal predecessors, (62862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:27,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22819 states to 22819 states and 62862 transitions. [2022-01-28 13:00:27,291 INFO L78 Accepts]: Start accepts. Automaton has 22819 states and 62862 transitions. Word has length 199 [2022-01-28 13:00:27,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:00:27,291 INFO L470 AbstractCegarLoop]: Abstraction has 22819 states and 62862 transitions. [2022-01-28 13:00:27,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:27,291 INFO L276 IsEmpty]: Start isEmpty. Operand 22819 states and 62862 transitions. [2022-01-28 13:00:27,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:00:27,319 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:00:27,319 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:00:27,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-01-28 13:00:27,319 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:00:27,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:00:27,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1365031813, now seen corresponding path program 93 times [2022-01-28 13:00:27,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:00:27,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220936884] [2022-01-28 13:00:27,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:00:27,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:00:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:00:27,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:00:27,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:00:27,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220936884] [2022-01-28 13:00:27,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220936884] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:00:27,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:00:27,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:00:27,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864612038] [2022-01-28 13:00:27,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:00:27,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:00:27,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:00:27,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:00:27,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:00:27,631 INFO L87 Difference]: Start difference. First operand 22819 states and 62862 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:30,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:00:30,784 INFO L93 Difference]: Finished difference Result 41862 states and 114443 transitions. [2022-01-28 13:00:30,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-28 13:00:30,784 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:00:30,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:00:30,854 INFO L225 Difference]: With dead ends: 41862 [2022-01-28 13:00:30,854 INFO L226 Difference]: Without dead ends: 41862 [2022-01-28 13:00:30,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1284 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=744, Invalid=5736, Unknown=0, NotChecked=0, Total=6480 [2022-01-28 13:00:30,855 INFO L933 BasicCegarLoop]: 1097 mSDtfsCounter, 2068 mSDsluCounter, 23398 mSDsCounter, 0 mSdLazyCounter, 5228 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2068 SdHoareTripleChecker+Valid, 24208 SdHoareTripleChecker+Invalid, 5251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:00:30,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2068 Valid, 24208 Invalid, 5251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5228 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:00:30,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41862 states. [2022-01-28 13:00:31,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41862 to 22755. [2022-01-28 13:00:31,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22755 states, 22754 states have (on average 2.7535378395007473) internal successors, (62654), 22754 states have internal predecessors, (62654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:31,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22755 states to 22755 states and 62654 transitions. [2022-01-28 13:00:31,453 INFO L78 Accepts]: Start accepts. Automaton has 22755 states and 62654 transitions. Word has length 199 [2022-01-28 13:00:31,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:00:31,454 INFO L470 AbstractCegarLoop]: Abstraction has 22755 states and 62654 transitions. [2022-01-28 13:00:31,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:31,454 INFO L276 IsEmpty]: Start isEmpty. Operand 22755 states and 62654 transitions. [2022-01-28 13:00:31,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:00:31,482 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:00:31,482 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:00:31,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-01-28 13:00:31,482 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:00:31,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:00:31,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1015577929, now seen corresponding path program 94 times [2022-01-28 13:00:31,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:00:31,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733130265] [2022-01-28 13:00:31,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:00:31,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:00:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:00:31,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:00:31,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:00:31,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733130265] [2022-01-28 13:00:31,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733130265] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:00:31,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:00:31,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:00:31,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707767620] [2022-01-28 13:00:31,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:00:31,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:00:31,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:00:31,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:00:31,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:00:31,807 INFO L87 Difference]: Start difference. First operand 22755 states and 62654 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:34,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:00:34,687 INFO L93 Difference]: Finished difference Result 38032 states and 104196 transitions. [2022-01-28 13:00:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 13:00:34,687 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:00:34,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:00:34,752 INFO L225 Difference]: With dead ends: 38032 [2022-01-28 13:00:34,752 INFO L226 Difference]: Without dead ends: 38032 [2022-01-28 13:00:34,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 967 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=629, Invalid=4773, Unknown=0, NotChecked=0, Total=5402 [2022-01-28 13:00:34,753 INFO L933 BasicCegarLoop]: 1042 mSDtfsCounter, 1778 mSDsluCounter, 22085 mSDsCounter, 0 mSdLazyCounter, 5040 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1778 SdHoareTripleChecker+Valid, 22869 SdHoareTripleChecker+Invalid, 5059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:00:34,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1778 Valid, 22869 Invalid, 5059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5040 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:00:34,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38032 states. [2022-01-28 13:00:35,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38032 to 22707. [2022-01-28 13:00:35,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22707 states, 22706 states have (on average 2.753016823747027) internal successors, (62510), 22706 states have internal predecessors, (62510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:35,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22707 states to 22707 states and 62510 transitions. [2022-01-28 13:00:35,336 INFO L78 Accepts]: Start accepts. Automaton has 22707 states and 62510 transitions. Word has length 199 [2022-01-28 13:00:35,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:00:35,336 INFO L470 AbstractCegarLoop]: Abstraction has 22707 states and 62510 transitions. [2022-01-28 13:00:35,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:35,336 INFO L276 IsEmpty]: Start isEmpty. Operand 22707 states and 62510 transitions. [2022-01-28 13:00:35,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:00:35,364 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:00:35,364 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:00:35,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-01-28 13:00:35,364 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:00:35,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:00:35,365 INFO L85 PathProgramCache]: Analyzing trace with hash -13205949, now seen corresponding path program 95 times [2022-01-28 13:00:35,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:00:35,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359489776] [2022-01-28 13:00:35,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:00:35,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:00:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:00:35,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:00:35,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:00:35,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359489776] [2022-01-28 13:00:35,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359489776] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:00:35,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:00:35,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:00:35,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308261572] [2022-01-28 13:00:35,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:00:35,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:00:35,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:00:35,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:00:35,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:00:35,672 INFO L87 Difference]: Start difference. First operand 22707 states and 62510 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:38,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:00:38,684 INFO L93 Difference]: Finished difference Result 38766 states and 105890 transitions. [2022-01-28 13:00:38,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 13:00:38,684 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:00:38,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:00:38,746 INFO L225 Difference]: With dead ends: 38766 [2022-01-28 13:00:38,746 INFO L226 Difference]: Without dead ends: 38766 [2022-01-28 13:00:38,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 967 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=626, Invalid=4776, Unknown=0, NotChecked=0, Total=5402 [2022-01-28 13:00:38,747 INFO L933 BasicCegarLoop]: 1071 mSDtfsCounter, 1770 mSDsluCounter, 22748 mSDsCounter, 0 mSdLazyCounter, 4971 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1770 SdHoareTripleChecker+Valid, 23538 SdHoareTripleChecker+Invalid, 4990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:00:38,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1770 Valid, 23538 Invalid, 4990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4971 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:00:38,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38766 states. [2022-01-28 13:00:39,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38766 to 22523. [2022-01-28 13:00:39,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22523 states, 22522 states have (on average 2.7528638664417016) internal successors, (62000), 22522 states have internal predecessors, (62000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:39,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22523 states to 22523 states and 62000 transitions. [2022-01-28 13:00:39,152 INFO L78 Accepts]: Start accepts. Automaton has 22523 states and 62000 transitions. Word has length 199 [2022-01-28 13:00:39,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:00:39,152 INFO L470 AbstractCegarLoop]: Abstraction has 22523 states and 62000 transitions. [2022-01-28 13:00:39,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:39,153 INFO L276 IsEmpty]: Start isEmpty. Operand 22523 states and 62000 transitions. [2022-01-28 13:00:39,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:00:39,181 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:00:39,181 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:00:39,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-01-28 13:00:39,181 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:00:39,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:00:39,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1101640587, now seen corresponding path program 96 times [2022-01-28 13:00:39,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:00:39,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083279184] [2022-01-28 13:00:39,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:00:39,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:00:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:00:39,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:00:39,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:00:39,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083279184] [2022-01-28 13:00:39,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083279184] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:00:39,496 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:00:39,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:00:39,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891619525] [2022-01-28 13:00:39,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:00:39,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:00:39,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:00:39,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:00:39,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:00:39,497 INFO L87 Difference]: Start difference. First operand 22523 states and 62000 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:43,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:00:43,031 INFO L93 Difference]: Finished difference Result 46894 states and 127588 transitions. [2022-01-28 13:00:43,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-01-28 13:00:43,031 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:00:43,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:00:43,105 INFO L225 Difference]: With dead ends: 46894 [2022-01-28 13:00:43,105 INFO L226 Difference]: Without dead ends: 46894 [2022-01-28 13:00:43,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1390 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=857, Invalid=6115, Unknown=0, NotChecked=0, Total=6972 [2022-01-28 13:00:43,106 INFO L933 BasicCegarLoop]: 1126 mSDtfsCounter, 2340 mSDsluCounter, 24437 mSDsCounter, 0 mSdLazyCounter, 5690 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2340 SdHoareTripleChecker+Valid, 25085 SdHoareTripleChecker+Invalid, 5713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:00:43,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2340 Valid, 25085 Invalid, 5713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5690 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-01-28 13:00:43,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46894 states. [2022-01-28 13:00:43,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46894 to 22875. [2022-01-28 13:00:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22875 states, 22874 states have (on average 2.7573664422488413) internal successors, (63072), 22874 states have internal predecessors, (63072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:43,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22875 states to 22875 states and 63072 transitions. [2022-01-28 13:00:43,608 INFO L78 Accepts]: Start accepts. Automaton has 22875 states and 63072 transitions. Word has length 199 [2022-01-28 13:00:43,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:00:43,608 INFO L470 AbstractCegarLoop]: Abstraction has 22875 states and 63072 transitions. [2022-01-28 13:00:43,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:43,608 INFO L276 IsEmpty]: Start isEmpty. Operand 22875 states and 63072 transitions. [2022-01-28 13:00:43,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:00:43,639 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:00:43,639 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:00:43,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-01-28 13:00:43,639 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:00:43,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:00:43,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1171528667, now seen corresponding path program 97 times [2022-01-28 13:00:43,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:00:43,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140156570] [2022-01-28 13:00:43,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:00:43,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:00:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:00:43,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:00:43,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:00:43,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140156570] [2022-01-28 13:00:43,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140156570] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:00:43,950 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:00:43,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:00:43,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217397561] [2022-01-28 13:00:43,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:00:43,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:00:43,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:00:43,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:00:43,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:00:43,951 INFO L87 Difference]: Start difference. First operand 22875 states and 63072 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:47,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:00:47,296 INFO L93 Difference]: Finished difference Result 44169 states and 120638 transitions. [2022-01-28 13:00:47,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-28 13:00:47,296 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:00:47,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:00:47,371 INFO L225 Difference]: With dead ends: 44169 [2022-01-28 13:00:47,371 INFO L226 Difference]: Without dead ends: 44169 [2022-01-28 13:00:47,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1383 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=795, Invalid=6011, Unknown=0, NotChecked=0, Total=6806 [2022-01-28 13:00:47,372 INFO L933 BasicCegarLoop]: 1108 mSDtfsCounter, 2236 mSDsluCounter, 23793 mSDsCounter, 0 mSdLazyCounter, 5281 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2236 SdHoareTripleChecker+Valid, 24567 SdHoareTripleChecker+Invalid, 5304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:00:47,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2236 Valid, 24567 Invalid, 5304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5281 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 13:00:47,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44169 states. [2022-01-28 13:00:47,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44169 to 22811. [2022-01-28 13:00:47,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22811 states, 22810 states have (on average 2.7559842174484874) internal successors, (62864), 22810 states have internal predecessors, (62864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:47,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22811 states to 22811 states and 62864 transitions. [2022-01-28 13:00:47,856 INFO L78 Accepts]: Start accepts. Automaton has 22811 states and 62864 transitions. Word has length 199 [2022-01-28 13:00:47,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:00:47,857 INFO L470 AbstractCegarLoop]: Abstraction has 22811 states and 62864 transitions. [2022-01-28 13:00:47,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:47,857 INFO L276 IsEmpty]: Start isEmpty. Operand 22811 states and 62864 transitions. [2022-01-28 13:00:47,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:00:47,885 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:00:47,885 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:00:47,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-01-28 13:00:47,885 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:00:47,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:00:47,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1200301259, now seen corresponding path program 98 times [2022-01-28 13:00:47,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:00:47,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913129486] [2022-01-28 13:00:47,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:00:47,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:00:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:00:48,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:00:48,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:00:48,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913129486] [2022-01-28 13:00:48,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913129486] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:00:48,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:00:48,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:00:48,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885723218] [2022-01-28 13:00:48,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:00:48,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:00:48,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:00:48,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:00:48,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:00:48,265 INFO L87 Difference]: Start difference. First operand 22811 states and 62864 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:51,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:00:51,315 INFO L93 Difference]: Finished difference Result 42311 states and 115853 transitions. [2022-01-28 13:00:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 13:00:51,315 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:00:51,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:00:51,386 INFO L225 Difference]: With dead ends: 42311 [2022-01-28 13:00:51,386 INFO L226 Difference]: Without dead ends: 42311 [2022-01-28 13:00:51,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1093 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=690, Invalid=5162, Unknown=0, NotChecked=0, Total=5852 [2022-01-28 13:00:51,387 INFO L933 BasicCegarLoop]: 1103 mSDtfsCounter, 1966 mSDsluCounter, 23332 mSDsCounter, 0 mSdLazyCounter, 5245 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1966 SdHoareTripleChecker+Valid, 24118 SdHoareTripleChecker+Invalid, 5264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:00:51,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1966 Valid, 24118 Invalid, 5264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5245 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:00:51,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42311 states. [2022-01-28 13:00:51,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42311 to 22763. [2022-01-28 13:00:51,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22763 states, 22762 states have (on average 2.7554696423864335) internal successors, (62720), 22762 states have internal predecessors, (62720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:51,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22763 states to 22763 states and 62720 transitions. [2022-01-28 13:00:51,855 INFO L78 Accepts]: Start accepts. Automaton has 22763 states and 62720 transitions. Word has length 199 [2022-01-28 13:00:51,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:00:51,855 INFO L470 AbstractCegarLoop]: Abstraction has 22763 states and 62720 transitions. [2022-01-28 13:00:51,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:51,856 INFO L276 IsEmpty]: Start isEmpty. Operand 22763 states and 62720 transitions. [2022-01-28 13:00:51,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:00:51,885 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:00:51,885 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:00:51,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-01-28 13:00:51,885 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:00:51,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:00:51,885 INFO L85 PathProgramCache]: Analyzing trace with hash 400985641, now seen corresponding path program 99 times [2022-01-28 13:00:51,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:00:51,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717716915] [2022-01-28 13:00:51,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:00:51,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:00:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:00:52,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:00:52,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:00:52,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717716915] [2022-01-28 13:00:52,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717716915] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:00:52,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:00:52,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:00:52,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701106750] [2022-01-28 13:00:52,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:00:52,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:00:52,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:00:52,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:00:52,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:00:52,194 INFO L87 Difference]: Start difference. First operand 22763 states and 62720 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:55,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:00:55,286 INFO L93 Difference]: Finished difference Result 43669 states and 119245 transitions. [2022-01-28 13:00:55,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 13:00:55,286 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:00:55,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:00:55,358 INFO L225 Difference]: With dead ends: 43669 [2022-01-28 13:00:55,359 INFO L226 Difference]: Without dead ends: 43669 [2022-01-28 13:00:55,359 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=690, Invalid=5162, Unknown=0, NotChecked=0, Total=5852 [2022-01-28 13:00:55,360 INFO L933 BasicCegarLoop]: 1116 mSDtfsCounter, 2022 mSDsluCounter, 23612 mSDsCounter, 0 mSdLazyCounter, 5170 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 24408 SdHoareTripleChecker+Invalid, 5189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:00:55,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2022 Valid, 24408 Invalid, 5189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5170 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:00:55,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43669 states. [2022-01-28 13:00:55,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43669 to 22747. [2022-01-28 13:00:55,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22747 states, 22746 states have (on average 2.755297634748967) internal successors, (62672), 22746 states have internal predecessors, (62672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:55,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22747 states to 22747 states and 62672 transitions. [2022-01-28 13:00:55,842 INFO L78 Accepts]: Start accepts. Automaton has 22747 states and 62672 transitions. Word has length 199 [2022-01-28 13:00:55,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:00:55,842 INFO L470 AbstractCegarLoop]: Abstraction has 22747 states and 62672 transitions. [2022-01-28 13:00:55,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:55,843 INFO L276 IsEmpty]: Start isEmpty. Operand 22747 states and 62672 transitions. [2022-01-28 13:00:55,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:00:55,870 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:00:55,870 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:00:55,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-01-28 13:00:55,870 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:00:55,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:00:55,871 INFO L85 PathProgramCache]: Analyzing trace with hash -200245677, now seen corresponding path program 100 times [2022-01-28 13:00:55,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:00:55,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537837904] [2022-01-28 13:00:55,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:00:55,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:00:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:00:56,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:00:56,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:00:56,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537837904] [2022-01-28 13:00:56,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537837904] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:00:56,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:00:56,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:00:56,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519055885] [2022-01-28 13:00:56,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:00:56,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:00:56,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:00:56,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:00:56,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:00:56,179 INFO L87 Difference]: Start difference. First operand 22747 states and 62672 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:59,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:00:59,352 INFO L93 Difference]: Finished difference Result 44912 states and 122417 transitions. [2022-01-28 13:00:59,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 13:00:59,352 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:00:59,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:00:59,422 INFO L225 Difference]: With dead ends: 44912 [2022-01-28 13:00:59,422 INFO L226 Difference]: Without dead ends: 44912 [2022-01-28 13:00:59,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1091 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=687, Invalid=5165, Unknown=0, NotChecked=0, Total=5852 [2022-01-28 13:00:59,422 INFO L933 BasicCegarLoop]: 1153 mSDtfsCounter, 1992 mSDsluCounter, 24323 mSDsCounter, 0 mSdLazyCounter, 5165 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 25138 SdHoareTripleChecker+Invalid, 5184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:00:59,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1992 Valid, 25138 Invalid, 5184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5165 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:00:59,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44912 states. [2022-01-28 13:00:59,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44912 to 22539. [2022-01-28 13:00:59,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22539 states, 22538 states have (on average 2.753039311385216) internal successors, (62048), 22538 states have internal predecessors, (62048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:59,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22539 states to 22539 states and 62048 transitions. [2022-01-28 13:00:59,876 INFO L78 Accepts]: Start accepts. Automaton has 22539 states and 62048 transitions. Word has length 199 [2022-01-28 13:00:59,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:00:59,876 INFO L470 AbstractCegarLoop]: Abstraction has 22539 states and 62048 transitions. [2022-01-28 13:00:59,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:00:59,876 INFO L276 IsEmpty]: Start isEmpty. Operand 22539 states and 62048 transitions. [2022-01-28 13:00:59,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:00:59,904 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:00:59,904 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:00:59,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-01-28 13:00:59,904 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:00:59,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:00:59,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1729767825, now seen corresponding path program 101 times [2022-01-28 13:00:59,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:00:59,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224935090] [2022-01-28 13:00:59,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:00:59,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:00:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:01:00,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:01:00,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:01:00,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224935090] [2022-01-28 13:01:00,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224935090] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:01:00,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:01:00,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:01:00,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324451502] [2022-01-28 13:01:00,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:01:00,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:01:00,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:01:00,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:01:00,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:01:00,215 INFO L87 Difference]: Start difference. First operand 22539 states and 62048 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:03,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:01:03,074 INFO L93 Difference]: Finished difference Result 40481 states and 110309 transitions. [2022-01-28 13:01:03,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 13:01:03,074 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:01:03,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:01:03,140 INFO L225 Difference]: With dead ends: 40481 [2022-01-28 13:01:03,140 INFO L226 Difference]: Without dead ends: 40481 [2022-01-28 13:01:03,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 965 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=633, Invalid=4769, Unknown=0, NotChecked=0, Total=5402 [2022-01-28 13:01:03,141 INFO L933 BasicCegarLoop]: 1109 mSDtfsCounter, 1897 mSDsluCounter, 23488 mSDsCounter, 0 mSdLazyCounter, 4919 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 24260 SdHoareTripleChecker+Invalid, 4938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:01:03,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1897 Valid, 24260 Invalid, 4938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4919 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:01:03,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40481 states. [2022-01-28 13:01:03,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40481 to 22511. [2022-01-28 13:01:03,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22511 states, 22510 states have (on average 2.7528653931585962) internal successors, (61967), 22510 states have internal predecessors, (61967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:03,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions. [2022-01-28 13:01:03,705 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199 [2022-01-28 13:01:03,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:01:03,705 INFO L470 AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions. [2022-01-28 13:01:03,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:03,705 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions. [2022-01-28 13:01:03,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:01:03,735 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:01:03,735 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:01:03,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-01-28 13:01:03,735 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:01:03,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:01:03,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1254609193, now seen corresponding path program 102 times [2022-01-28 13:01:03,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:01:03,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769214152] [2022-01-28 13:01:03,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:01:03,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:01:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:01:04,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:01:04,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:01:04,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769214152] [2022-01-28 13:01:04,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769214152] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:01:04,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:01:04,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:01:04,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326500473] [2022-01-28 13:01:04,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:01:04,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:01:04,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:01:04,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:01:04,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:01:04,045 INFO L87 Difference]: Start difference. First operand 22511 states and 61967 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:07,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:01:07,216 INFO L93 Difference]: Finished difference Result 44816 states and 122126 transitions. [2022-01-28 13:01:07,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-28 13:01:07,216 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:01:07,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:01:07,289 INFO L225 Difference]: With dead ends: 44816 [2022-01-28 13:01:07,289 INFO L226 Difference]: Without dead ends: 44816 [2022-01-28 13:01:07,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=761, Invalid=5719, Unknown=0, NotChecked=0, Total=6480 [2022-01-28 13:01:07,290 INFO L933 BasicCegarLoop]: 1051 mSDtfsCounter, 2226 mSDsluCounter, 23031 mSDsCounter, 0 mSdLazyCounter, 5239 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2226 SdHoareTripleChecker+Valid, 23682 SdHoareTripleChecker+Invalid, 5262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:01:07,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2226 Valid, 23682 Invalid, 5262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5239 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:01:07,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44816 states. [2022-01-28 13:01:07,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44816 to 23051. [2022-01-28 13:01:07,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23051 states, 23050 states have (on average 2.7571366594360085) internal successors, (63552), 23050 states have internal predecessors, (63552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:07,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23051 states to 23051 states and 63552 transitions. [2022-01-28 13:01:07,985 INFO L78 Accepts]: Start accepts. Automaton has 23051 states and 63552 transitions. Word has length 199 [2022-01-28 13:01:07,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:01:07,985 INFO L470 AbstractCegarLoop]: Abstraction has 23051 states and 63552 transitions. [2022-01-28 13:01:07,985 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:07,985 INFO L276 IsEmpty]: Start isEmpty. Operand 23051 states and 63552 transitions. [2022-01-28 13:01:08,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:01:08,014 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:01:08,014 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:01:08,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-01-28 13:01:08,014 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:01:08,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:01:08,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1018560061, now seen corresponding path program 103 times [2022-01-28 13:01:08,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:01:08,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117533007] [2022-01-28 13:01:08,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:01:08,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:01:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:01:08,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:01:08,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:01:08,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117533007] [2022-01-28 13:01:08,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117533007] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:01:08,322 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:01:08,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:01:08,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833531172] [2022-01-28 13:01:08,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:01:08,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:01:08,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:01:08,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:01:08,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:01:08,323 INFO L87 Difference]: Start difference. First operand 23051 states and 63552 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:11,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:01:11,421 INFO L93 Difference]: Finished difference Result 42969 states and 117483 transitions. [2022-01-28 13:01:11,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-28 13:01:11,421 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:01:11,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:01:11,496 INFO L225 Difference]: With dead ends: 42969 [2022-01-28 13:01:11,496 INFO L226 Difference]: Without dead ends: 42969 [2022-01-28 13:01:11,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1395 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=760, Invalid=6046, Unknown=0, NotChecked=0, Total=6806 [2022-01-28 13:01:11,497 INFO L933 BasicCegarLoop]: 1057 mSDtfsCounter, 2185 mSDsluCounter, 22886 mSDsCounter, 0 mSdLazyCounter, 5058 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2185 SdHoareTripleChecker+Valid, 23672 SdHoareTripleChecker+Invalid, 5081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:01:11,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2185 Valid, 23672 Invalid, 5081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5058 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:01:11,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42969 states. [2022-01-28 13:01:12,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42969 to 22987. [2022-01-28 13:01:12,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22987 states, 22986 states have (on average 2.7557643783172368) internal successors, (63344), 22986 states have internal predecessors, (63344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:12,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22987 states to 22987 states and 63344 transitions. [2022-01-28 13:01:12,184 INFO L78 Accepts]: Start accepts. Automaton has 22987 states and 63344 transitions. Word has length 199 [2022-01-28 13:01:12,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:01:12,184 INFO L470 AbstractCegarLoop]: Abstraction has 22987 states and 63344 transitions. [2022-01-28 13:01:12,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:12,184 INFO L276 IsEmpty]: Start isEmpty. Operand 22987 states and 63344 transitions. [2022-01-28 13:01:12,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:01:12,215 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:01:12,215 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:01:12,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-01-28 13:01:12,215 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:01:12,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:01:12,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1353269865, now seen corresponding path program 104 times [2022-01-28 13:01:12,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:01:12,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438976803] [2022-01-28 13:01:12,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:01:12,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:01:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:01:12,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:01:12,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:01:12,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438976803] [2022-01-28 13:01:12,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438976803] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:01:12,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:01:12,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:01:12,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474954557] [2022-01-28 13:01:12,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:01:12,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:01:12,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:01:12,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:01:12,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:01:12,528 INFO L87 Difference]: Start difference. First operand 22987 states and 63344 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:15,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:01:15,475 INFO L93 Difference]: Finished difference Result 41111 states and 112698 transitions. [2022-01-28 13:01:15,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 13:01:15,475 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:01:15,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:01:15,544 INFO L225 Difference]: With dead ends: 41111 [2022-01-28 13:01:15,544 INFO L226 Difference]: Without dead ends: 41111 [2022-01-28 13:01:15,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1101 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=665, Invalid=5187, Unknown=0, NotChecked=0, Total=5852 [2022-01-28 13:01:15,545 INFO L933 BasicCegarLoop]: 1052 mSDtfsCounter, 1915 mSDsluCounter, 22523 mSDsCounter, 0 mSdLazyCounter, 5014 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1915 SdHoareTripleChecker+Valid, 23315 SdHoareTripleChecker+Invalid, 5033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:01:15,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1915 Valid, 23315 Invalid, 5033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5014 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:01:15,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41111 states. [2022-01-28 13:01:16,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41111 to 22939. [2022-01-28 13:01:16,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22939 states, 22938 states have (on average 2.7552532914813845) internal successors, (63200), 22938 states have internal predecessors, (63200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:16,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22939 states to 22939 states and 63200 transitions. [2022-01-28 13:01:16,172 INFO L78 Accepts]: Start accepts. Automaton has 22939 states and 63200 transitions. Word has length 199 [2022-01-28 13:01:16,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:01:16,172 INFO L470 AbstractCegarLoop]: Abstraction has 22939 states and 63200 transitions. [2022-01-28 13:01:16,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:16,172 INFO L276 IsEmpty]: Start isEmpty. Operand 22939 states and 63200 transitions. [2022-01-28 13:01:16,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:01:16,203 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:01:16,203 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:01:16,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-01-28 13:01:16,203 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:01:16,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:01:16,204 INFO L85 PathProgramCache]: Analyzing trace with hash 248017035, now seen corresponding path program 105 times [2022-01-28 13:01:16,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:01:16,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051536653] [2022-01-28 13:01:16,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:01:16,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:01:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:01:16,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:01:16,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:01:16,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051536653] [2022-01-28 13:01:16,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051536653] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:01:16,580 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:01:16,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:01:16,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203447571] [2022-01-28 13:01:16,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:01:16,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:01:16,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:01:16,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:01:16,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:01:16,582 INFO L87 Difference]: Start difference. First operand 22939 states and 63200 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:19,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:01:19,515 INFO L93 Difference]: Finished difference Result 42469 states and 116090 transitions. [2022-01-28 13:01:19,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 13:01:19,515 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:01:19,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:01:19,585 INFO L225 Difference]: With dead ends: 42469 [2022-01-28 13:01:19,585 INFO L226 Difference]: Without dead ends: 42469 [2022-01-28 13:01:19,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1102 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=662, Invalid=5190, Unknown=0, NotChecked=0, Total=5852 [2022-01-28 13:01:19,586 INFO L933 BasicCegarLoop]: 1065 mSDtfsCounter, 1971 mSDsluCounter, 22813 mSDsCounter, 0 mSdLazyCounter, 4932 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1971 SdHoareTripleChecker+Valid, 23616 SdHoareTripleChecker+Invalid, 4951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:01:19,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1971 Valid, 23616 Invalid, 4951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4932 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:01:19,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42469 states. [2022-01-28 13:01:20,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42469 to 22923. [2022-01-28 13:01:20,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22923 states, 22922 states have (on average 2.7550824535380856) internal successors, (63152), 22922 states have internal predecessors, (63152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:20,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22923 states to 22923 states and 63152 transitions. [2022-01-28 13:01:20,213 INFO L78 Accepts]: Start accepts. Automaton has 22923 states and 63152 transitions. Word has length 199 [2022-01-28 13:01:20,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:01:20,213 INFO L470 AbstractCegarLoop]: Abstraction has 22923 states and 63152 transitions. [2022-01-28 13:01:20,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:20,213 INFO L276 IsEmpty]: Start isEmpty. Operand 22923 states and 63152 transitions. [2022-01-28 13:01:20,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:01:20,242 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:01:20,242 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:01:20,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-01-28 13:01:20,242 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:01:20,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:01:20,243 INFO L85 PathProgramCache]: Analyzing trace with hash -353214283, now seen corresponding path program 106 times [2022-01-28 13:01:20,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:01:20,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542531598] [2022-01-28 13:01:20,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:01:20,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:01:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:01:20,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:01:20,549 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:01:20,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542531598] [2022-01-28 13:01:20,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542531598] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:01:20,549 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:01:20,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:01:20,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311987206] [2022-01-28 13:01:20,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:01:20,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:01:20,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:01:20,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:01:20,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:01:20,550 INFO L87 Difference]: Start difference. First operand 22923 states and 63152 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:23,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:01:23,416 INFO L93 Difference]: Finished difference Result 41462 states and 113232 transitions. [2022-01-28 13:01:23,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-28 13:01:23,416 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:01:23,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:01:23,483 INFO L225 Difference]: With dead ends: 41462 [2022-01-28 13:01:23,484 INFO L226 Difference]: Without dead ends: 41462 [2022-01-28 13:01:23,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1018 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=622, Invalid=4928, Unknown=0, NotChecked=0, Total=5550 [2022-01-28 13:01:23,485 INFO L933 BasicCegarLoop]: 1112 mSDtfsCounter, 1821 mSDsluCounter, 23746 mSDsCounter, 0 mSdLazyCounter, 4961 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1821 SdHoareTripleChecker+Valid, 24577 SdHoareTripleChecker+Invalid, 4980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:01:23,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1821 Valid, 24577 Invalid, 4980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4961 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:01:23,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41462 states. [2022-01-28 13:01:24,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41462 to 22715. [2022-01-28 13:01:24,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22715 states, 22714 states have (on average 2.7528396583604824) internal successors, (62528), 22714 states have internal predecessors, (62528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:24,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22715 states to 22715 states and 62528 transitions. [2022-01-28 13:01:24,078 INFO L78 Accepts]: Start accepts. Automaton has 22715 states and 62528 transitions. Word has length 199 [2022-01-28 13:01:24,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:01:24,078 INFO L470 AbstractCegarLoop]: Abstraction has 22715 states and 62528 transitions. [2022-01-28 13:01:24,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:24,079 INFO L276 IsEmpty]: Start isEmpty. Operand 22715 states and 62528 transitions. [2022-01-28 13:01:24,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:01:24,106 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:01:24,107 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:01:24,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-01-28 13:01:24,107 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:01:24,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:01:24,107 INFO L85 PathProgramCache]: Analyzing trace with hash 340385625, now seen corresponding path program 107 times [2022-01-28 13:01:24,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:01:24,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352049910] [2022-01-28 13:01:24,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:01:24,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:01:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:01:24,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:01:24,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:01:24,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352049910] [2022-01-28 13:01:24,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352049910] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:01:24,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:01:24,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:01:24,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253704396] [2022-01-28 13:01:24,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:01:24,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:01:24,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:01:24,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:01:24,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:01:24,415 INFO L87 Difference]: Start difference. First operand 22715 states and 62528 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:27,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:01:27,160 INFO L93 Difference]: Finished difference Result 38471 states and 105059 transitions. [2022-01-28 13:01:27,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-28 13:01:27,160 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:01:27,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:01:27,225 INFO L225 Difference]: With dead ends: 38471 [2022-01-28 13:01:27,225 INFO L226 Difference]: Without dead ends: 38471 [2022-01-28 13:01:27,226 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 878 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=623, Invalid=4489, Unknown=0, NotChecked=0, Total=5112 [2022-01-28 13:01:27,226 INFO L933 BasicCegarLoop]: 931 mSDtfsCounter, 1863 mSDsluCounter, 20163 mSDsCounter, 0 mSdLazyCounter, 4702 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1863 SdHoareTripleChecker+Valid, 20824 SdHoareTripleChecker+Invalid, 4725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 13:01:27,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1863 Valid, 20824 Invalid, 4725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4702 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 13:01:27,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38471 states. [2022-01-28 13:01:27,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38471 to 22875. [2022-01-28 13:01:27,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22875 states, 22874 states have (on average 2.75474337675964) internal successors, (63012), 22874 states have internal predecessors, (63012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:27,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22875 states to 22875 states and 63012 transitions. [2022-01-28 13:01:27,752 INFO L78 Accepts]: Start accepts. Automaton has 22875 states and 63012 transitions. Word has length 199 [2022-01-28 13:01:27,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:01:27,753 INFO L470 AbstractCegarLoop]: Abstraction has 22875 states and 63012 transitions. [2022-01-28 13:01:27,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:27,753 INFO L276 IsEmpty]: Start isEmpty. Operand 22875 states and 63012 transitions. [2022-01-28 13:01:27,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:01:27,782 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:01:27,782 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:01:27,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-01-28 13:01:27,782 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:01:27,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:01:27,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1681412417, now seen corresponding path program 108 times [2022-01-28 13:01:27,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:01:27,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54689539] [2022-01-28 13:01:27,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:01:27,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:01:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:01:28,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:01:28,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:01:28,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54689539] [2022-01-28 13:01:28,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54689539] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:01:28,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:01:28,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:01:28,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217436628] [2022-01-28 13:01:28,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:01:28,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:01:28,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:01:28,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:01:28,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:01:28,097 INFO L87 Difference]: Start difference. First operand 22875 states and 63012 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:30,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:01:30,954 INFO L93 Difference]: Finished difference Result 37567 states and 102859 transitions. [2022-01-28 13:01:30,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-28 13:01:30,954 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:01:30,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:01:31,014 INFO L225 Difference]: With dead ends: 37567 [2022-01-28 13:01:31,015 INFO L226 Difference]: Without dead ends: 37567 [2022-01-28 13:01:31,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1010 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=643, Invalid=4907, Unknown=0, NotChecked=0, Total=5550 [2022-01-28 13:01:31,015 INFO L933 BasicCegarLoop]: 955 mSDtfsCounter, 1834 mSDsluCounter, 20406 mSDsCounter, 0 mSdLazyCounter, 4688 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 21202 SdHoareTripleChecker+Invalid, 4711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:01:31,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1834 Valid, 21202 Invalid, 4711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4688 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:01:31,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37567 states. [2022-01-28 13:01:31,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37567 to 22811. [2022-01-28 13:01:31,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22811 states, 22810 states have (on average 2.753353792196405) internal successors, (62804), 22810 states have internal predecessors, (62804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:31,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22811 states to 22811 states and 62804 transitions. [2022-01-28 13:01:31,458 INFO L78 Accepts]: Start accepts. Automaton has 22811 states and 62804 transitions. Word has length 199 [2022-01-28 13:01:31,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:01:31,458 INFO L470 AbstractCegarLoop]: Abstraction has 22811 states and 62804 transitions. [2022-01-28 13:01:31,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:31,458 INFO L276 IsEmpty]: Start isEmpty. Operand 22811 states and 62804 transitions. [2022-01-28 13:01:31,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:01:31,487 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:01:31,487 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:01:31,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-01-28 13:01:31,487 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:01:31,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:01:31,487 INFO L85 PathProgramCache]: Analyzing trace with hash -2058609641, now seen corresponding path program 109 times [2022-01-28 13:01:31,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:01:31,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785273813] [2022-01-28 13:01:31,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:01:31,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:01:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:01:31,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:01:31,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:01:31,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785273813] [2022-01-28 13:01:31,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785273813] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:01:31,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:01:31,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:01:31,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529374903] [2022-01-28 13:01:31,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:01:31,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:01:31,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:01:31,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:01:31,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:01:31,801 INFO L87 Difference]: Start difference. First operand 22811 states and 62804 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:34,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:01:34,472 INFO L93 Difference]: Finished difference Result 35372 states and 96686 transitions. [2022-01-28 13:01:34,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-28 13:01:34,473 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:01:34,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:01:34,529 INFO L225 Difference]: With dead ends: 35372 [2022-01-28 13:01:34,529 INFO L226 Difference]: Without dead ends: 35372 [2022-01-28 13:01:34,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=577, Invalid=3979, Unknown=0, NotChecked=0, Total=4556 [2022-01-28 13:01:34,530 INFO L933 BasicCegarLoop]: 910 mSDtfsCounter, 1627 mSDsluCounter, 19553 mSDsCounter, 0 mSdLazyCounter, 4429 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1627 SdHoareTripleChecker+Valid, 20214 SdHoareTripleChecker+Invalid, 4448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-28 13:01:34,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1627 Valid, 20214 Invalid, 4448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4429 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-28 13:01:34,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35372 states. [2022-01-28 13:01:34,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35372 to 22763. [2022-01-28 13:01:34,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22763 states, 22762 states have (on average 2.7528336701520075) internal successors, (62660), 22762 states have internal predecessors, (62660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:34,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22763 states to 22763 states and 62660 transitions. [2022-01-28 13:01:34,927 INFO L78 Accepts]: Start accepts. Automaton has 22763 states and 62660 transitions. Word has length 199 [2022-01-28 13:01:34,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:01:34,927 INFO L470 AbstractCegarLoop]: Abstraction has 22763 states and 62660 transitions. [2022-01-28 13:01:34,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:34,927 INFO L276 IsEmpty]: Start isEmpty. Operand 22763 states and 62660 transitions. [2022-01-28 13:01:34,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:01:34,954 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:01:34,954 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:01:34,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-01-28 13:01:34,955 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:01:34,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:01:34,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1695902953, now seen corresponding path program 110 times [2022-01-28 13:01:34,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:01:34,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99636231] [2022-01-28 13:01:34,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:01:34,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:01:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:01:35,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:01:35,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:01:35,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99636231] [2022-01-28 13:01:35,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99636231] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:01:35,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:01:35,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:01:35,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145541980] [2022-01-28 13:01:35,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:01:35,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:01:35,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:01:35,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:01:35,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:01:35,267 INFO L87 Difference]: Start difference. First operand 22763 states and 62660 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:38,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:01:38,133 INFO L93 Difference]: Finished difference Result 39063 states and 106649 transitions. [2022-01-28 13:01:38,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-28 13:01:38,134 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:01:38,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:01:38,202 INFO L225 Difference]: With dead ends: 39063 [2022-01-28 13:01:38,202 INFO L226 Difference]: Without dead ends: 39063 [2022-01-28 13:01:38,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1010 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=647, Invalid=4903, Unknown=0, NotChecked=0, Total=5550 [2022-01-28 13:01:38,203 INFO L933 BasicCegarLoop]: 968 mSDtfsCounter, 1849 mSDsluCounter, 21042 mSDsCounter, 0 mSdLazyCounter, 4905 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1849 SdHoareTripleChecker+Valid, 21696 SdHoareTripleChecker+Invalid, 4928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:01:38,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1849 Valid, 21696 Invalid, 4928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4905 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:01:38,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39063 states. [2022-01-28 13:01:38,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39063 to 22875. [2022-01-28 13:01:38,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22875 states, 22874 states have (on average 2.75474337675964) internal successors, (63012), 22874 states have internal predecessors, (63012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:38,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22875 states to 22875 states and 63012 transitions. [2022-01-28 13:01:38,739 INFO L78 Accepts]: Start accepts. Automaton has 22875 states and 63012 transitions. Word has length 199 [2022-01-28 13:01:38,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:01:38,739 INFO L470 AbstractCegarLoop]: Abstraction has 22875 states and 63012 transitions. [2022-01-28 13:01:38,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:38,740 INFO L276 IsEmpty]: Start isEmpty. Operand 22875 states and 63012 transitions. [2022-01-28 13:01:38,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:01:38,768 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:01:38,768 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:01:38,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-01-28 13:01:38,768 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:01:38,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:01:38,768 INFO L85 PathProgramCache]: Analyzing trace with hash 577266301, now seen corresponding path program 111 times [2022-01-28 13:01:38,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:01:38,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421517812] [2022-01-28 13:01:38,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:01:38,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:01:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:01:39,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:01:39,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:01:39,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421517812] [2022-01-28 13:01:39,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421517812] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:01:39,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:01:39,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:01:39,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80803074] [2022-01-28 13:01:39,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:01:39,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:01:39,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:01:39,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:01:39,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:01:39,074 INFO L87 Difference]: Start difference. First operand 22875 states and 63012 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:41,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:01:41,920 INFO L93 Difference]: Finished difference Result 38051 states and 104181 transitions. [2022-01-28 13:01:41,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 13:01:41,920 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:01:41,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:01:41,982 INFO L225 Difference]: With dead ends: 38051 [2022-01-28 13:01:41,983 INFO L226 Difference]: Without dead ends: 38051 [2022-01-28 13:01:41,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1108 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=653, Invalid=5199, Unknown=0, NotChecked=0, Total=5852 [2022-01-28 13:01:41,984 INFO L933 BasicCegarLoop]: 1012 mSDtfsCounter, 1843 mSDsluCounter, 21714 mSDsCounter, 0 mSdLazyCounter, 4863 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1843 SdHoareTripleChecker+Valid, 22504 SdHoareTripleChecker+Invalid, 4886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 13:01:41,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1843 Valid, 22504 Invalid, 4886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4863 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 13:01:42,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38051 states. [2022-01-28 13:01:42,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38051 to 22811. [2022-01-28 13:01:42,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22811 states, 22810 states have (on average 2.753353792196405) internal successors, (62804), 22810 states have internal predecessors, (62804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22811 states to 22811 states and 62804 transitions. [2022-01-28 13:01:42,543 INFO L78 Accepts]: Start accepts. Automaton has 22811 states and 62804 transitions. Word has length 199 [2022-01-28 13:01:42,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:01:42,543 INFO L470 AbstractCegarLoop]: Abstraction has 22811 states and 62804 transitions. [2022-01-28 13:01:42,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 22811 states and 62804 transitions. [2022-01-28 13:01:42,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:01:42,571 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:01:42,571 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:01:42,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-01-28 13:01:42,572 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:01:42,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:01:42,572 INFO L85 PathProgramCache]: Analyzing trace with hash 926720185, now seen corresponding path program 112 times [2022-01-28 13:01:42,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:01:42,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135794197] [2022-01-28 13:01:42,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:01:42,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:01:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:01:42,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:01:42,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:01:42,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135794197] [2022-01-28 13:01:42,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135794197] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:01:42,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:01:42,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:01:42,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129971378] [2022-01-28 13:01:42,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:01:42,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:01:42,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:01:42,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:01:42,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:01:42,877 INFO L87 Difference]: Start difference. First operand 22811 states and 62804 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:45,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:01:45,520 INFO L93 Difference]: Finished difference Result 34792 states and 95378 transitions. [2022-01-28 13:01:45,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-28 13:01:45,521 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:01:45,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:01:45,580 INFO L225 Difference]: With dead ends: 34792 [2022-01-28 13:01:45,580 INFO L226 Difference]: Without dead ends: 34792 [2022-01-28 13:01:45,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 854 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=570, Invalid=4400, Unknown=0, NotChecked=0, Total=4970 [2022-01-28 13:01:45,581 INFO L933 BasicCegarLoop]: 956 mSDtfsCounter, 1581 mSDsluCounter, 20400 mSDsCounter, 0 mSdLazyCounter, 4654 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 21159 SdHoareTripleChecker+Invalid, 4673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 13:01:45,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1581 Valid, 21159 Invalid, 4673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4654 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 13:01:45,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34792 states. [2022-01-28 13:01:46,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34792 to 22727. [2022-01-28 13:01:46,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22727 states, 22726 states have (on average 2.7528381589369006) internal successors, (62561), 22726 states have internal predecessors, (62561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:46,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22727 states to 22727 states and 62561 transitions. [2022-01-28 13:01:46,088 INFO L78 Accepts]: Start accepts. Automaton has 22727 states and 62561 transitions. Word has length 199 [2022-01-28 13:01:46,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:01:46,088 INFO L470 AbstractCegarLoop]: Abstraction has 22727 states and 62561 transitions. [2022-01-28 13:01:46,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:46,088 INFO L276 IsEmpty]: Start isEmpty. Operand 22727 states and 62561 transitions. [2022-01-28 13:01:46,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:01:46,117 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:01:46,117 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:01:46,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-01-28 13:01:46,117 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:01:46,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:01:46,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1020121885, now seen corresponding path program 113 times [2022-01-28 13:01:46,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:01:46,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921987394] [2022-01-28 13:01:46,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:01:46,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:01:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:01:46,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:01:46,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:01:46,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921987394] [2022-01-28 13:01:46,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921987394] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:01:46,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:01:46,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:01:46,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423811047] [2022-01-28 13:01:46,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:01:46,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:01:46,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:01:46,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:01:46,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:01:46,426 INFO L87 Difference]: Start difference. First operand 22727 states and 62561 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:49,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:01:49,495 INFO L93 Difference]: Finished difference Result 43109 states and 117525 transitions. [2022-01-28 13:01:49,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-28 13:01:49,496 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:01:49,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:01:49,565 INFO L225 Difference]: With dead ends: 43109 [2022-01-28 13:01:49,565 INFO L226 Difference]: Without dead ends: 43109 [2022-01-28 13:01:49,566 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1139 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=701, Invalid=5305, Unknown=0, NotChecked=0, Total=6006 [2022-01-28 13:01:49,566 INFO L933 BasicCegarLoop]: 1029 mSDtfsCounter, 2030 mSDsluCounter, 22437 mSDsCounter, 0 mSdLazyCounter, 5203 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2030 SdHoareTripleChecker+Valid, 23108 SdHoareTripleChecker+Invalid, 5226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:01:49,566 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2030 Valid, 23108 Invalid, 5226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5203 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:01:49,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43109 states. [2022-01-28 13:01:50,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43109 to 22855. [2022-01-28 13:01:50,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22855 states, 22854 states have (on average 2.7549225518508793) internal successors, (62961), 22854 states have internal predecessors, (62961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:50,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22855 states to 22855 states and 62961 transitions. [2022-01-28 13:01:50,143 INFO L78 Accepts]: Start accepts. Automaton has 22855 states and 62961 transitions. Word has length 199 [2022-01-28 13:01:50,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:01:50,144 INFO L470 AbstractCegarLoop]: Abstraction has 22855 states and 62961 transitions. [2022-01-28 13:01:50,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:50,144 INFO L276 IsEmpty]: Start isEmpty. Operand 22855 states and 62961 transitions. [2022-01-28 13:01:50,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:01:50,174 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:01:50,174 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:01:50,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-01-28 13:01:50,174 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:01:50,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:01:50,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1001676157, now seen corresponding path program 114 times [2022-01-28 13:01:50,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:01:50,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716983833] [2022-01-28 13:01:50,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:01:50,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:01:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:01:50,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:01:50,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:01:50,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716983833] [2022-01-28 13:01:50,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716983833] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:01:50,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:01:50,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:01:50,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36693055] [2022-01-28 13:01:50,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:01:50,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:01:50,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:01:50,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:01:50,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:01:50,489 INFO L87 Difference]: Start difference. First operand 22855 states and 62961 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:53,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:01:53,532 INFO L93 Difference]: Finished difference Result 41926 states and 114619 transitions. [2022-01-28 13:01:53,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-28 13:01:53,532 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:01:53,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:01:53,606 INFO L225 Difference]: With dead ends: 41926 [2022-01-28 13:01:53,606 INFO L226 Difference]: Without dead ends: 41926 [2022-01-28 13:01:53,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1294 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=724, Invalid=5756, Unknown=0, NotChecked=0, Total=6480 [2022-01-28 13:01:53,607 INFO L933 BasicCegarLoop]: 1086 mSDtfsCounter, 2005 mSDsluCounter, 23339 mSDsCounter, 0 mSdLazyCounter, 5098 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2005 SdHoareTripleChecker+Valid, 24158 SdHoareTripleChecker+Invalid, 5121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:01:53,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2005 Valid, 24158 Invalid, 5121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5098 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:01:53,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41926 states. [2022-01-28 13:01:54,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41926 to 22791. [2022-01-28 13:01:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22791 states, 22790 states have (on average 2.7535322509872753) internal successors, (62753), 22790 states have internal predecessors, (62753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:54,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22791 states to 22791 states and 62753 transitions. [2022-01-28 13:01:54,166 INFO L78 Accepts]: Start accepts. Automaton has 22791 states and 62753 transitions. Word has length 199 [2022-01-28 13:01:54,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:01:54,167 INFO L470 AbstractCegarLoop]: Abstraction has 22791 states and 62753 transitions. [2022-01-28 13:01:54,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:54,167 INFO L276 IsEmpty]: Start isEmpty. Operand 22791 states and 62753 transitions. [2022-01-28 13:01:54,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:01:54,196 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:01:54,196 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:01:54,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-01-28 13:01:54,197 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:01:54,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:01:54,197 INFO L85 PathProgramCache]: Analyzing trace with hash -652222273, now seen corresponding path program 115 times [2022-01-28 13:01:54,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:01:54,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043844811] [2022-01-28 13:01:54,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:01:54,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:01:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:01:54,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:01:54,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:01:54,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043844811] [2022-01-28 13:01:54,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043844811] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:01:54,574 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:01:54,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:01:54,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877091750] [2022-01-28 13:01:54,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:01:54,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:01:54,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:01:54,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:01:54,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:01:54,575 INFO L87 Difference]: Start difference. First operand 22791 states and 62753 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:57,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:01:57,488 INFO L93 Difference]: Finished difference Result 38096 states and 104372 transitions. [2022-01-28 13:01:57,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 13:01:57,488 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:01:57,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:01:57,552 INFO L225 Difference]: With dead ends: 38096 [2022-01-28 13:01:57,552 INFO L226 Difference]: Without dead ends: 38096 [2022-01-28 13:01:57,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 974 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=615, Invalid=4787, Unknown=0, NotChecked=0, Total=5402 [2022-01-28 13:01:57,552 INFO L933 BasicCegarLoop]: 1031 mSDtfsCounter, 1715 mSDsluCounter, 22021 mSDsCounter, 0 mSdLazyCounter, 4902 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1715 SdHoareTripleChecker+Valid, 22813 SdHoareTripleChecker+Invalid, 4921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:01:57,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1715 Valid, 22813 Invalid, 4921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4902 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:01:57,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38096 states. [2022-01-28 13:01:57,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38096 to 22743. [2022-01-28 13:01:57,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22743 states, 22742 states have (on average 2.753012048192771) internal successors, (62609), 22742 states have internal predecessors, (62609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:57,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22743 states to 22743 states and 62609 transitions. [2022-01-28 13:01:57,971 INFO L78 Accepts]: Start accepts. Automaton has 22743 states and 62609 transitions. Word has length 199 [2022-01-28 13:01:57,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:01:57,972 INFO L470 AbstractCegarLoop]: Abstraction has 22743 states and 62609 transitions. [2022-01-28 13:01:57,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:01:57,972 INFO L276 IsEmpty]: Start isEmpty. Operand 22743 states and 62609 transitions. [2022-01-28 13:01:58,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:01:58,002 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:01:58,003 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:01:58,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-01-28 13:01:58,003 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:01:58,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:01:58,003 INFO L85 PathProgramCache]: Analyzing trace with hash 350149707, now seen corresponding path program 116 times [2022-01-28 13:01:58,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:01:58,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014697148] [2022-01-28 13:01:58,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:01:58,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:01:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:01:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:01:58,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:01:58,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014697148] [2022-01-28 13:01:58,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014697148] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:01:58,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:01:58,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:01:58,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538015426] [2022-01-28 13:01:58,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:01:58,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:01:58,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:01:58,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:01:58,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:01:58,307 INFO L87 Difference]: Start difference. First operand 22743 states and 62609 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:01,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:02:01,082 INFO L93 Difference]: Finished difference Result 38830 states and 106066 transitions. [2022-01-28 13:02:01,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 13:02:01,082 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:02:01,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:02:01,145 INFO L225 Difference]: With dead ends: 38830 [2022-01-28 13:02:01,145 INFO L226 Difference]: Without dead ends: 38830 [2022-01-28 13:02:01,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 975 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=610, Invalid=4792, Unknown=0, NotChecked=0, Total=5402 [2022-01-28 13:02:01,146 INFO L933 BasicCegarLoop]: 1060 mSDtfsCounter, 1728 mSDsluCounter, 22711 mSDsCounter, 0 mSdLazyCounter, 4834 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1728 SdHoareTripleChecker+Valid, 23508 SdHoareTripleChecker+Invalid, 4853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 13:02:01,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1728 Valid, 23508 Invalid, 4853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4834 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 13:02:01,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38830 states. [2022-01-28 13:02:01,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38830 to 22559. [2022-01-28 13:02:01,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22559 states, 22558 states have (on average 2.7528592960368825) internal successors, (62099), 22558 states have internal predecessors, (62099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:01,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22559 states to 22559 states and 62099 transitions. [2022-01-28 13:02:01,716 INFO L78 Accepts]: Start accepts. Automaton has 22559 states and 62099 transitions. Word has length 199 [2022-01-28 13:02:01,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:02:01,716 INFO L470 AbstractCegarLoop]: Abstraction has 22559 states and 62099 transitions. [2022-01-28 13:02:01,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:01,716 INFO L276 IsEmpty]: Start isEmpty. Operand 22559 states and 62099 transitions. [2022-01-28 13:02:01,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:02:01,748 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:02:01,748 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:02:01,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-01-28 13:02:01,748 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:02:01,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:02:01,749 INFO L85 PathProgramCache]: Analyzing trace with hash -738284931, now seen corresponding path program 117 times [2022-01-28 13:02:01,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:02:01,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379296112] [2022-01-28 13:02:01,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:02:01,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:02:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:02:02,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:02:02,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:02:02,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379296112] [2022-01-28 13:02:02,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379296112] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:02:02,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:02:02,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:02:02,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623413774] [2022-01-28 13:02:02,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:02:02,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:02:02,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:02:02,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:02:02,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:02:02,057 INFO L87 Difference]: Start difference. First operand 22559 states and 62099 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:05,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:02:05,441 INFO L93 Difference]: Finished difference Result 47842 states and 130199 transitions. [2022-01-28 13:02:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-28 13:02:05,442 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:02:05,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:02:05,524 INFO L225 Difference]: With dead ends: 47842 [2022-01-28 13:02:05,524 INFO L226 Difference]: Without dead ends: 47842 [2022-01-28 13:02:05,525 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1361 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=810, Invalid=5996, Unknown=0, NotChecked=0, Total=6806 [2022-01-28 13:02:05,525 INFO L933 BasicCegarLoop]: 1134 mSDtfsCounter, 2276 mSDsluCounter, 24804 mSDsCounter, 0 mSdLazyCounter, 5677 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2276 SdHoareTripleChecker+Valid, 25496 SdHoareTripleChecker+Invalid, 5700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:02:05,526 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2276 Valid, 25496 Invalid, 5700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5677 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 13:02:05,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47842 states. [2022-01-28 13:02:06,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47842 to 22911. [2022-01-28 13:02:06,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22911 states, 22910 states have (on average 2.7573548668703625) internal successors, (63171), 22910 states have internal predecessors, (63171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:06,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22911 states to 22911 states and 63171 transitions. [2022-01-28 13:02:06,121 INFO L78 Accepts]: Start accepts. Automaton has 22911 states and 63171 transitions. Word has length 199 [2022-01-28 13:02:06,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:02:06,121 INFO L470 AbstractCegarLoop]: Abstraction has 22911 states and 63171 transitions. [2022-01-28 13:02:06,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:06,122 INFO L276 IsEmpty]: Start isEmpty. Operand 22911 states and 63171 transitions. [2022-01-28 13:02:06,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:02:06,151 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:02:06,151 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:02:06,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-01-28 13:02:06,152 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:02:06,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:02:06,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1534884323, now seen corresponding path program 118 times [2022-01-28 13:02:06,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:02:06,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689984323] [2022-01-28 13:02:06,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:02:06,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:02:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:02:06,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:02:06,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:02:06,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689984323] [2022-01-28 13:02:06,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689984323] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:02:06,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:02:06,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:02:06,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710057851] [2022-01-28 13:02:06,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:02:06,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:02:06,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:02:06,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:02:06,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:02:06,459 INFO L87 Difference]: Start difference. First operand 22911 states and 63171 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:09,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:02:09,669 INFO L93 Difference]: Finished difference Result 45337 states and 123834 transitions. [2022-01-28 13:02:09,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-01-28 13:02:09,670 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:02:09,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:02:09,873 INFO L225 Difference]: With dead ends: 45337 [2022-01-28 13:02:09,874 INFO L226 Difference]: Without dead ends: 45337 [2022-01-28 13:02:09,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1445 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=783, Invalid=6189, Unknown=0, NotChecked=0, Total=6972 [2022-01-28 13:02:09,874 INFO L933 BasicCegarLoop]: 1141 mSDtfsCounter, 2173 mSDsluCounter, 24697 mSDsCounter, 0 mSdLazyCounter, 5378 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2173 SdHoareTripleChecker+Valid, 25522 SdHoareTripleChecker+Invalid, 5401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:02:09,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2173 Valid, 25522 Invalid, 5401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5378 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:02:09,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45337 states. [2022-01-28 13:02:10,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45337 to 22847. [2022-01-28 13:02:10,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22847 states, 22846 states have (on average 2.755974787709008) internal successors, (62963), 22846 states have internal predecessors, (62963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:10,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22847 states to 22847 states and 62963 transitions. [2022-01-28 13:02:10,297 INFO L78 Accepts]: Start accepts. Automaton has 22847 states and 62963 transitions. Word has length 199 [2022-01-28 13:02:10,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:02:10,297 INFO L470 AbstractCegarLoop]: Abstraction has 22847 states and 62963 transitions. [2022-01-28 13:02:10,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:10,298 INFO L276 IsEmpty]: Start isEmpty. Operand 22847 states and 62963 transitions. [2022-01-28 13:02:10,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:02:10,326 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:02:10,326 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:02:10,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-01-28 13:02:10,326 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:02:10,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:02:10,326 INFO L85 PathProgramCache]: Analyzing trace with hash -836945603, now seen corresponding path program 119 times [2022-01-28 13:02:10,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:02:10,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398078126] [2022-01-28 13:02:10,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:02:10,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:02:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:02:10,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:02:10,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:02:10,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398078126] [2022-01-28 13:02:10,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398078126] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:02:10,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:02:10,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:02:10,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617742739] [2022-01-28 13:02:10,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:02:10,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:02:10,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:02:10,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:02:10,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:02:10,698 INFO L87 Difference]: Start difference. First operand 22847 states and 62963 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:13,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:02:13,847 INFO L93 Difference]: Finished difference Result 43479 states and 119049 transitions. [2022-01-28 13:02:13,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-28 13:02:13,848 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:02:13,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:02:13,911 INFO L225 Difference]: With dead ends: 43479 [2022-01-28 13:02:13,911 INFO L226 Difference]: Without dead ends: 43479 [2022-01-28 13:02:13,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=684, Invalid=5322, Unknown=0, NotChecked=0, Total=6006 [2022-01-28 13:02:13,912 INFO L933 BasicCegarLoop]: 1136 mSDtfsCounter, 1903 mSDsluCounter, 24275 mSDsCounter, 0 mSdLazyCounter, 5345 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1903 SdHoareTripleChecker+Valid, 25110 SdHoareTripleChecker+Invalid, 5364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:02:13,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1903 Valid, 25110 Invalid, 5364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5345 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:02:13,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43479 states. [2022-01-28 13:02:14,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43479 to 22799. [2022-01-28 13:02:14,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22799 states, 22798 states have (on average 2.7554610053513464) internal successors, (62819), 22798 states have internal predecessors, (62819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:14,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22799 states to 22799 states and 62819 transitions. [2022-01-28 13:02:14,354 INFO L78 Accepts]: Start accepts. Automaton has 22799 states and 62819 transitions. Word has length 199 [2022-01-28 13:02:14,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:02:14,354 INFO L470 AbstractCegarLoop]: Abstraction has 22799 states and 62819 transitions. [2022-01-28 13:02:14,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:14,354 INFO L276 IsEmpty]: Start isEmpty. Operand 22799 states and 62819 transitions. [2022-01-28 13:02:14,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:02:14,382 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:02:14,382 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:02:14,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-01-28 13:02:14,383 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:02:14,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:02:14,383 INFO L85 PathProgramCache]: Analyzing trace with hash 764341297, now seen corresponding path program 120 times [2022-01-28 13:02:14,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:02:14,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965840571] [2022-01-28 13:02:14,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:02:14,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:02:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:02:14,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:02:14,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:02:14,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965840571] [2022-01-28 13:02:14,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965840571] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:02:14,691 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:02:14,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:02:14,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289515354] [2022-01-28 13:02:14,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:02:14,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:02:14,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:02:14,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:02:14,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:02:14,692 INFO L87 Difference]: Start difference. First operand 22799 states and 62819 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:17,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:02:17,722 INFO L93 Difference]: Finished difference Result 44837 states and 122441 transitions. [2022-01-28 13:02:17,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-28 13:02:17,723 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:02:17,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:02:17,799 INFO L225 Difference]: With dead ends: 44837 [2022-01-28 13:02:17,799 INFO L226 Difference]: Without dead ends: 44837 [2022-01-28 13:02:17,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=682, Invalid=5324, Unknown=0, NotChecked=0, Total=6006 [2022-01-28 13:02:17,800 INFO L933 BasicCegarLoop]: 1149 mSDtfsCounter, 1959 mSDsluCounter, 24568 mSDsCounter, 0 mSdLazyCounter, 5267 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1959 SdHoareTripleChecker+Valid, 25413 SdHoareTripleChecker+Invalid, 5286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:02:17,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1959 Valid, 25413 Invalid, 5286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5267 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:02:17,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44837 states. [2022-01-28 13:02:18,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44837 to 22783. [2022-01-28 13:02:18,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22783 states, 22782 states have (on average 2.7552892634536037) internal successors, (62771), 22782 states have internal predecessors, (62771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:18,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22783 states to 22783 states and 62771 transitions. [2022-01-28 13:02:18,276 INFO L78 Accepts]: Start accepts. Automaton has 22783 states and 62771 transitions. Word has length 199 [2022-01-28 13:02:18,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:02:18,277 INFO L470 AbstractCegarLoop]: Abstraction has 22783 states and 62771 transitions. [2022-01-28 13:02:18,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:18,277 INFO L276 IsEmpty]: Start isEmpty. Operand 22783 states and 62771 transitions. [2022-01-28 13:02:18,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:02:18,305 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:02:18,305 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:02:18,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-01-28 13:02:18,305 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:02:18,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:02:18,305 INFO L85 PathProgramCache]: Analyzing trace with hash 163109979, now seen corresponding path program 121 times [2022-01-28 13:02:18,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:02:18,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857553248] [2022-01-28 13:02:18,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:02:18,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:02:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:02:18,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:02:18,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:02:18,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857553248] [2022-01-28 13:02:18,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857553248] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:02:18,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:02:18,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:02:18,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896489641] [2022-01-28 13:02:18,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:02:18,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:02:18,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:02:18,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:02:18,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:02:18,617 INFO L87 Difference]: Start difference. First operand 22783 states and 62771 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:21,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:02:21,651 INFO L93 Difference]: Finished difference Result 46080 states and 125613 transitions. [2022-01-28 13:02:21,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-28 13:02:21,652 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:02:21,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:02:21,729 INFO L225 Difference]: With dead ends: 46080 [2022-01-28 13:02:21,729 INFO L226 Difference]: Without dead ends: 46080 [2022-01-28 13:02:21,730 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=677, Invalid=5329, Unknown=0, NotChecked=0, Total=6006 [2022-01-28 13:02:21,730 INFO L933 BasicCegarLoop]: 1186 mSDtfsCounter, 1929 mSDsluCounter, 25314 mSDsCounter, 0 mSdLazyCounter, 5264 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1929 SdHoareTripleChecker+Valid, 26177 SdHoareTripleChecker+Invalid, 5283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:02:21,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1929 Valid, 26177 Invalid, 5283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5264 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:02:21,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46080 states. [2022-01-28 13:02:22,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46080 to 22575. [2022-01-28 13:02:22,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22575 states, 22574 states have (on average 2.753034464428103) internal successors, (62147), 22574 states have internal predecessors, (62147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:22,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22575 states to 22575 states and 62147 transitions. [2022-01-28 13:02:22,214 INFO L78 Accepts]: Start accepts. Automaton has 22575 states and 62147 transitions. Word has length 199 [2022-01-28 13:02:22,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:02:22,214 INFO L470 AbstractCegarLoop]: Abstraction has 22575 states and 62147 transitions. [2022-01-28 13:02:22,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:22,214 INFO L276 IsEmpty]: Start isEmpty. Operand 22575 states and 62147 transitions. [2022-01-28 13:02:22,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:02:22,242 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:02:22,242 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:02:22,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-01-28 13:02:22,242 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:02:22,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:02:22,242 INFO L85 PathProgramCache]: Analyzing trace with hash 2093123481, now seen corresponding path program 122 times [2022-01-28 13:02:22,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:02:22,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030830894] [2022-01-28 13:02:22,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:02:22,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:02:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:02:22,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:02:22,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:02:22,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030830894] [2022-01-28 13:02:22,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030830894] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:02:22,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:02:22,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:02:22,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628103979] [2022-01-28 13:02:22,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:02:22,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:02:22,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:02:22,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:02:22,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:02:22,551 INFO L87 Difference]: Start difference. First operand 22575 states and 62147 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:25,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:02:25,460 INFO L93 Difference]: Finished difference Result 41649 states and 113505 transitions. [2022-01-28 13:02:25,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-28 13:02:25,460 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:02:25,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:02:25,526 INFO L225 Difference]: With dead ends: 41649 [2022-01-28 13:02:25,526 INFO L226 Difference]: Without dead ends: 41649 [2022-01-28 13:02:25,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1017 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=624, Invalid=4926, Unknown=0, NotChecked=0, Total=5550 [2022-01-28 13:02:25,527 INFO L933 BasicCegarLoop]: 1142 mSDtfsCounter, 1855 mSDsluCounter, 24439 mSDsCounter, 0 mSdLazyCounter, 5006 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1855 SdHoareTripleChecker+Valid, 25259 SdHoareTripleChecker+Invalid, 5025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:02:25,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1855 Valid, 25259 Invalid, 5025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5006 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:02:25,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41649 states. [2022-01-28 13:02:25,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41649 to 22547. [2022-01-28 13:02:25,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22547 states, 22546 states have (on average 2.7528608178834384) internal successors, (62066), 22546 states have internal predecessors, (62066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:25,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22547 states to 22547 states and 62066 transitions. [2022-01-28 13:02:25,981 INFO L78 Accepts]: Start accepts. Automaton has 22547 states and 62066 transitions. Word has length 199 [2022-01-28 13:02:25,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:02:25,981 INFO L470 AbstractCegarLoop]: Abstraction has 22547 states and 62066 transitions. [2022-01-28 13:02:25,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:25,981 INFO L276 IsEmpty]: Start isEmpty. Operand 22547 states and 62066 transitions. [2022-01-28 13:02:26,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:02:26,008 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:02:26,009 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:02:26,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-01-28 13:02:26,009 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:02:26,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:02:26,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1710832207, now seen corresponding path program 123 times [2022-01-28 13:02:26,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:02:26,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291208841] [2022-01-28 13:02:26,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:02:26,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:02:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:02:26,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:02:26,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:02:26,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291208841] [2022-01-28 13:02:26,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291208841] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:02:26,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:02:26,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:02:26,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110387569] [2022-01-28 13:02:26,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:02:26,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:02:26,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:02:26,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:02:26,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:02:26,314 INFO L87 Difference]: Start difference. First operand 22547 states and 62066 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:29,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:02:29,663 INFO L93 Difference]: Finished difference Result 47477 states and 129167 transitions. [2022-01-28 13:02:29,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-01-28 13:02:29,663 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:02:29,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:02:29,749 INFO L225 Difference]: With dead ends: 47477 [2022-01-28 13:02:29,750 INFO L226 Difference]: Without dead ends: 47477 [2022-01-28 13:02:29,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1450 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=865, Invalid=6275, Unknown=0, NotChecked=0, Total=7140 [2022-01-28 13:02:29,751 INFO L933 BasicCegarLoop]: 1144 mSDtfsCounter, 2404 mSDsluCounter, 25026 mSDsCounter, 0 mSdLazyCounter, 5471 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2404 SdHoareTripleChecker+Valid, 25689 SdHoareTripleChecker+Invalid, 5494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:02:29,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2404 Valid, 25689 Invalid, 5494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5471 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 13:02:29,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47477 states. [2022-01-28 13:02:30,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47477 to 22947. [2022-01-28 13:02:30,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22947 states, 22946 states have (on average 2.7578662947790464) internal successors, (63282), 22946 states have internal predecessors, (63282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:30,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22947 states to 22947 states and 63282 transitions. [2022-01-28 13:02:30,259 INFO L78 Accepts]: Start accepts. Automaton has 22947 states and 63282 transitions. Word has length 199 [2022-01-28 13:02:30,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:02:30,259 INFO L470 AbstractCegarLoop]: Abstraction has 22947 states and 63282 transitions. [2022-01-28 13:02:30,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:30,259 INFO L276 IsEmpty]: Start isEmpty. Operand 22947 states and 63282 transitions. [2022-01-28 13:02:30,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:02:30,288 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:02:30,288 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:02:30,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-01-28 13:02:30,288 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:02:30,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:02:30,288 INFO L85 PathProgramCache]: Analyzing trace with hash 562337047, now seen corresponding path program 124 times [2022-01-28 13:02:30,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:02:30,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912609030] [2022-01-28 13:02:30,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:02:30,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:02:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:02:30,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:02:30,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:02:30,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912609030] [2022-01-28 13:02:30,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912609030] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:02:30,591 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:02:30,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:02:30,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469314336] [2022-01-28 13:02:30,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:02:30,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:02:30,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:02:30,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:02:30,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:02:30,592 INFO L87 Difference]: Start difference. First operand 22947 states and 63282 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:33,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:02:33,746 INFO L93 Difference]: Finished difference Result 44564 states and 121725 transitions. [2022-01-28 13:02:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-01-28 13:02:33,747 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:02:33,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:02:33,820 INFO L225 Difference]: With dead ends: 44564 [2022-01-28 13:02:33,820 INFO L226 Difference]: Without dead ends: 44564 [2022-01-28 13:02:33,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1444 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=797, Invalid=6175, Unknown=0, NotChecked=0, Total=6972 [2022-01-28 13:02:33,821 INFO L933 BasicCegarLoop]: 1118 mSDtfsCounter, 2262 mSDsluCounter, 24281 mSDsCounter, 0 mSdLazyCounter, 5127 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2262 SdHoareTripleChecker+Valid, 25060 SdHoareTripleChecker+Invalid, 5150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:02:33,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2262 Valid, 25060 Invalid, 5150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5127 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:02:33,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44564 states. [2022-01-28 13:02:34,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44564 to 22883. [2022-01-28 13:02:34,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22883 states, 22882 states have (on average 2.7564898173236605) internal successors, (63074), 22882 states have internal predecessors, (63074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:34,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22883 states to 22883 states and 63074 transitions. [2022-01-28 13:02:34,295 INFO L78 Accepts]: Start accepts. Automaton has 22883 states and 63074 transitions. Word has length 199 [2022-01-28 13:02:34,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:02:34,295 INFO L470 AbstractCegarLoop]: Abstraction has 22883 states and 63074 transitions. [2022-01-28 13:02:34,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand 22883 states and 63074 transitions. [2022-01-28 13:02:34,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:02:34,323 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:02:34,323 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:02:34,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-01-28 13:02:34,324 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:02:34,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:02:34,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1809492879, now seen corresponding path program 125 times [2022-01-28 13:02:34,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:02:34,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988414445] [2022-01-28 13:02:34,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:02:34,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:02:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:02:34,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:02:34,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:02:34,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988414445] [2022-01-28 13:02:34,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988414445] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:02:34,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:02:34,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:02:34,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679945763] [2022-01-28 13:02:34,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:02:34,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:02:34,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:02:34,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:02:34,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:02:34,631 INFO L87 Difference]: Start difference. First operand 22883 states and 63074 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:37,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:02:37,641 INFO L93 Difference]: Finished difference Result 42706 states and 116940 transitions. [2022-01-28 13:02:37,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-28 13:02:37,642 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:02:37,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:02:37,710 INFO L225 Difference]: With dead ends: 42706 [2022-01-28 13:02:37,710 INFO L226 Difference]: Without dead ends: 42706 [2022-01-28 13:02:37,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=694, Invalid=5312, Unknown=0, NotChecked=0, Total=6006 [2022-01-28 13:02:37,711 INFO L933 BasicCegarLoop]: 1113 mSDtfsCounter, 1992 mSDsluCounter, 23772 mSDsCounter, 0 mSdLazyCounter, 5090 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 24565 SdHoareTripleChecker+Invalid, 5109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:02:37,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1992 Valid, 24565 Invalid, 5109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5090 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:02:37,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42706 states. [2022-01-28 13:02:38,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42706 to 22835. [2022-01-28 13:02:38,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22835 states, 22834 states have (on average 2.7559779276517475) internal successors, (62930), 22834 states have internal predecessors, (62930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:38,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22835 states to 22835 states and 62930 transitions. [2022-01-28 13:02:38,164 INFO L78 Accepts]: Start accepts. Automaton has 22835 states and 62930 transitions. Word has length 199 [2022-01-28 13:02:38,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:02:38,164 INFO L470 AbstractCegarLoop]: Abstraction has 22835 states and 62930 transitions. [2022-01-28 13:02:38,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:38,164 INFO L276 IsEmpty]: Start isEmpty. Operand 22835 states and 62930 transitions. [2022-01-28 13:02:38,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:02:38,192 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:02:38,192 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:02:38,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-01-28 13:02:38,192 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:02:38,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:02:38,192 INFO L85 PathProgramCache]: Analyzing trace with hash -208205979, now seen corresponding path program 126 times [2022-01-28 13:02:38,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:02:38,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082184597] [2022-01-28 13:02:38,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:02:38,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:02:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:02:38,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:02:38,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:02:38,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082184597] [2022-01-28 13:02:38,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082184597] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:02:38,497 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:02:38,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:02:38,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925624953] [2022-01-28 13:02:38,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:02:38,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:02:38,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:02:38,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:02:38,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:02:38,498 INFO L87 Difference]: Start difference. First operand 22835 states and 62930 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:41,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:02:41,471 INFO L93 Difference]: Finished difference Result 44064 states and 120332 transitions. [2022-01-28 13:02:41,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-28 13:02:41,472 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:02:41,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:02:41,545 INFO L225 Difference]: With dead ends: 44064 [2022-01-28 13:02:41,545 INFO L226 Difference]: Without dead ends: 44064 [2022-01-28 13:02:41,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1145 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=693, Invalid=5313, Unknown=0, NotChecked=0, Total=6006 [2022-01-28 13:02:41,546 INFO L933 BasicCegarLoop]: 1126 mSDtfsCounter, 2048 mSDsluCounter, 24046 mSDsCounter, 0 mSdLazyCounter, 5021 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 24849 SdHoareTripleChecker+Invalid, 5040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:02:41,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2048 Valid, 24849 Invalid, 5040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5021 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:02:41,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44064 states. [2022-01-28 13:02:41,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44064 to 22819. [2022-01-28 13:02:41,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22819 states, 22818 states have (on average 2.755806819177842) internal successors, (62882), 22818 states have internal predecessors, (62882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:42,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22819 states to 22819 states and 62882 transitions. [2022-01-28 13:02:42,042 INFO L78 Accepts]: Start accepts. Automaton has 22819 states and 62882 transitions. Word has length 199 [2022-01-28 13:02:42,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:02:42,042 INFO L470 AbstractCegarLoop]: Abstraction has 22819 states and 62882 transitions. [2022-01-28 13:02:42,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:42,042 INFO L276 IsEmpty]: Start isEmpty. Operand 22819 states and 62882 transitions. [2022-01-28 13:02:42,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:02:42,071 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:02:42,071 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:02:42,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-01-28 13:02:42,071 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:02:42,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:02:42,071 INFO L85 PathProgramCache]: Analyzing trace with hash -809437297, now seen corresponding path program 127 times [2022-01-28 13:02:42,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:02:42,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480122747] [2022-01-28 13:02:42,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:02:42,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:02:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:02:42,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:02:42,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:02:42,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480122747] [2022-01-28 13:02:42,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480122747] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:02:42,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:02:42,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:02:42,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527007480] [2022-01-28 13:02:42,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:02:42,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:02:42,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:02:42,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:02:42,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:02:42,380 INFO L87 Difference]: Start difference. First operand 22819 states and 62882 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:45,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:02:45,491 INFO L93 Difference]: Finished difference Result 45307 states and 123504 transitions. [2022-01-28 13:02:45,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-28 13:02:45,491 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:02:45,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:02:45,561 INFO L225 Difference]: With dead ends: 45307 [2022-01-28 13:02:45,561 INFO L226 Difference]: Without dead ends: 45307 [2022-01-28 13:02:45,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1144 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=689, Invalid=5317, Unknown=0, NotChecked=0, Total=6006 [2022-01-28 13:02:45,562 INFO L933 BasicCegarLoop]: 1163 mSDtfsCounter, 2018 mSDsluCounter, 24750 mSDsCounter, 0 mSdLazyCounter, 5023 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2018 SdHoareTripleChecker+Valid, 25572 SdHoareTripleChecker+Invalid, 5042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:02:45,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2018 Valid, 25572 Invalid, 5042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5023 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:02:45,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45307 states. [2022-01-28 13:02:45,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45307 to 22611. [2022-01-28 13:02:45,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22611 states, 22610 states have (on average 2.753560371517028) internal successors, (62258), 22610 states have internal predecessors, (62258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:46,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22611 states to 22611 states and 62258 transitions. [2022-01-28 13:02:46,025 INFO L78 Accepts]: Start accepts. Automaton has 22611 states and 62258 transitions. Word has length 199 [2022-01-28 13:02:46,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:02:46,025 INFO L470 AbstractCegarLoop]: Abstraction has 22611 states and 62258 transitions. [2022-01-28 13:02:46,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:46,026 INFO L276 IsEmpty]: Start isEmpty. Operand 22611 states and 62258 transitions. [2022-01-28 13:02:46,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:02:46,054 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:02:46,054 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:02:46,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-01-28 13:02:46,054 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:02:46,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:02:46,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1120576205, now seen corresponding path program 128 times [2022-01-28 13:02:46,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:02:46,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895844784] [2022-01-28 13:02:46,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:02:46,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:02:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:02:46,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:02:46,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:02:46,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895844784] [2022-01-28 13:02:46,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895844784] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:02:46,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:02:46,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:02:46,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836066548] [2022-01-28 13:02:46,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:02:46,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:02:46,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:02:46,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:02:46,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:02:46,359 INFO L87 Difference]: Start difference. First operand 22611 states and 62258 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:49,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:02:49,353 INFO L93 Difference]: Finished difference Result 45965 states and 125226 transitions. [2022-01-28 13:02:49,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 13:02:49,353 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:02:49,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:02:49,435 INFO L225 Difference]: With dead ends: 45965 [2022-01-28 13:02:49,435 INFO L226 Difference]: Without dead ends: 45965 [2022-01-28 13:02:49,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1100 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=667, Invalid=5185, Unknown=0, NotChecked=0, Total=5852 [2022-01-28 13:02:49,436 INFO L933 BasicCegarLoop]: 1167 mSDtfsCounter, 2008 mSDsluCounter, 24912 mSDsCounter, 0 mSdLazyCounter, 5025 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2008 SdHoareTripleChecker+Valid, 25737 SdHoareTripleChecker+Invalid, 5044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:02:49,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2008 Valid, 25737 Invalid, 5044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5025 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:02:49,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45965 states. [2022-01-28 13:02:49,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45965 to 22595. [2022-01-28 13:02:49,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22595 states, 22594 states have (on average 2.7533858546516776) internal successors, (62210), 22594 states have internal predecessors, (62210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:49,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62210 transitions. [2022-01-28 13:02:49,931 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 62210 transitions. Word has length 199 [2022-01-28 13:02:49,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:02:49,931 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 62210 transitions. [2022-01-28 13:02:49,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:49,931 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 62210 transitions. [2022-01-28 13:02:49,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:02:49,958 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:02:49,958 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:02:49,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-01-28 13:02:49,958 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:02:49,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:02:49,959 INFO L85 PathProgramCache]: Analyzing trace with hash -528349789, now seen corresponding path program 129 times [2022-01-28 13:02:49,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:02:49,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080992208] [2022-01-28 13:02:49,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:02:49,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:02:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:02:50,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:02:50,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:02:50,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080992208] [2022-01-28 13:02:50,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080992208] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:02:50,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:02:50,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:02:50,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855491734] [2022-01-28 13:02:50,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:02:50,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:02:50,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:02:50,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:02:50,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:02:50,265 INFO L87 Difference]: Start difference. First operand 22595 states and 62210 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:52,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:02:52,961 INFO L93 Difference]: Finished difference Result 40930 states and 111524 transitions. [2022-01-28 13:02:52,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-01-28 13:02:52,961 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:02:52,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:02:53,025 INFO L225 Difference]: With dead ends: 40930 [2022-01-28 13:02:53,025 INFO L226 Difference]: Without dead ends: 40930 [2022-01-28 13:02:53,026 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=619, Invalid=4783, Unknown=0, NotChecked=0, Total=5402 [2022-01-28 13:02:53,026 INFO L933 BasicCegarLoop]: 1118 mSDtfsCounter, 1890 mSDsluCounter, 23950 mSDsCounter, 0 mSdLazyCounter, 4613 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1890 SdHoareTripleChecker+Valid, 24728 SdHoareTripleChecker+Invalid, 4632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 13:02:53,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1890 Valid, 24728 Invalid, 4632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4613 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 13:02:53,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40930 states. [2022-01-28 13:02:53,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40930 to 22511. [2022-01-28 13:02:53,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22511 states, 22510 states have (on average 2.7528653931585962) internal successors, (61967), 22510 states have internal predecessors, (61967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:53,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions. [2022-01-28 13:02:53,462 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199 [2022-01-28 13:02:53,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:02:53,463 INFO L470 AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions. [2022-01-28 13:02:53,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:53,463 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions. [2022-01-28 13:02:53,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:02:53,490 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:02:53,490 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:02:53,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-01-28 13:02:53,490 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:02:53,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:02:53,491 INFO L85 PathProgramCache]: Analyzing trace with hash -903139061, now seen corresponding path program 130 times [2022-01-28 13:02:53,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:02:53,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658041074] [2022-01-28 13:02:53,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:02:53,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:02:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:02:53,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:02:53,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:02:53,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658041074] [2022-01-28 13:02:53,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658041074] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:02:53,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:02:53,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:02:53,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669193688] [2022-01-28 13:02:53,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:02:53,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:02:53,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:02:53,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:02:53,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:02:53,796 INFO L87 Difference]: Start difference. First operand 22511 states and 61967 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:56,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:02:56,869 INFO L93 Difference]: Finished difference Result 44432 states and 121038 transitions. [2022-01-28 13:02:56,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-28 13:02:56,870 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:02:56,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:02:56,941 INFO L225 Difference]: With dead ends: 44432 [2022-01-28 13:02:56,942 INFO L226 Difference]: Without dead ends: 44432 [2022-01-28 13:02:56,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1289 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=737, Invalid=5743, Unknown=0, NotChecked=0, Total=6480 [2022-01-28 13:02:56,943 INFO L933 BasicCegarLoop]: 1028 mSDtfsCounter, 2147 mSDsluCounter, 22633 mSDsCounter, 0 mSdLazyCounter, 5111 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2147 SdHoareTripleChecker+Valid, 23301 SdHoareTripleChecker+Invalid, 5134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:02:56,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2147 Valid, 23301 Invalid, 5134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5111 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:02:57,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44432 states. [2022-01-28 13:02:57,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44432 to 23087. [2022-01-28 13:02:57,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23087 states, 23086 states have (on average 2.757125530624621) internal successors, (63651), 23086 states have internal predecessors, (63651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:57,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23087 states to 23087 states and 63651 transitions. [2022-01-28 13:02:57,433 INFO L78 Accepts]: Start accepts. Automaton has 23087 states and 63651 transitions. Word has length 199 [2022-01-28 13:02:57,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:02:57,434 INFO L470 AbstractCegarLoop]: Abstraction has 23087 states and 63651 transitions. [2022-01-28 13:02:57,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:02:57,434 INFO L276 IsEmpty]: Start isEmpty. Operand 23087 states and 63651 transitions. [2022-01-28 13:02:57,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:02:57,463 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:02:57,463 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:02:57,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-01-28 13:02:57,463 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:02:57,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:02:57,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1370030193, now seen corresponding path program 131 times [2022-01-28 13:02:57,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:02:57,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216821993] [2022-01-28 13:02:57,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:02:57,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:02:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:02:57,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:02:57,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:02:57,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216821993] [2022-01-28 13:02:57,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216821993] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:02:57,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:02:57,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:02:57,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215822968] [2022-01-28 13:02:57,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:02:57,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:02:57,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:02:57,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:02:57,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:02:57,772 INFO L87 Difference]: Start difference. First operand 23087 states and 63651 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:00,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:03:00,813 INFO L93 Difference]: Finished difference Result 42585 states and 116395 transitions. [2022-01-28 13:03:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-01-28 13:03:00,813 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:03:00,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:03:00,885 INFO L225 Difference]: With dead ends: 42585 [2022-01-28 13:03:00,886 INFO L226 Difference]: Without dead ends: 42585 [2022-01-28 13:03:00,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1458 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=751, Invalid=6221, Unknown=0, NotChecked=0, Total=6972 [2022-01-28 13:03:00,887 INFO L933 BasicCegarLoop]: 1046 mSDtfsCounter, 2107 mSDsluCounter, 22782 mSDsCounter, 0 mSdLazyCounter, 4984 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2107 SdHoareTripleChecker+Valid, 23578 SdHoareTripleChecker+Invalid, 5007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:03:00,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2107 Valid, 23578 Invalid, 5007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4984 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:03:00,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42585 states. [2022-01-28 13:03:01,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42585 to 23023. [2022-01-28 13:03:01,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23023 states, 23022 states have (on average 2.7557553644340196) internal successors, (63443), 23022 states have internal predecessors, (63443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:01,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23023 states to 23023 states and 63443 transitions. [2022-01-28 13:03:01,387 INFO L78 Accepts]: Start accepts. Automaton has 23023 states and 63443 transitions. Word has length 199 [2022-01-28 13:03:01,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:03:01,387 INFO L470 AbstractCegarLoop]: Abstraction has 23023 states and 63443 transitions. [2022-01-28 13:03:01,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:01,387 INFO L276 IsEmpty]: Start isEmpty. Operand 23023 states and 63443 transitions. [2022-01-28 13:03:01,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:03:01,416 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:03:01,416 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:03:01,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-01-28 13:03:01,417 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:03:01,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:03:01,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1001799733, now seen corresponding path program 132 times [2022-01-28 13:03:01,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:03:01,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890288713] [2022-01-28 13:03:01,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:03:01,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:03:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:03:01,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:03:01,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:03:01,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890288713] [2022-01-28 13:03:01,726 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890288713] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:03:01,726 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:03:01,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:03:01,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412025944] [2022-01-28 13:03:01,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:03:01,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:03:01,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:03:01,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:03:01,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:03:01,727 INFO L87 Difference]: Start difference. First operand 23023 states and 63443 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:04,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:03:04,643 INFO L93 Difference]: Finished difference Result 40727 states and 111610 transitions. [2022-01-28 13:03:04,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-28 13:03:04,643 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:03:04,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:03:04,712 INFO L225 Difference]: With dead ends: 40727 [2022-01-28 13:03:04,712 INFO L226 Difference]: Without dead ends: 40727 [2022-01-28 13:03:04,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1155 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=662, Invalid=5344, Unknown=0, NotChecked=0, Total=6006 [2022-01-28 13:03:04,713 INFO L933 BasicCegarLoop]: 1041 mSDtfsCounter, 1837 mSDsluCounter, 22461 mSDsCounter, 0 mSdLazyCounter, 4940 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1837 SdHoareTripleChecker+Valid, 23261 SdHoareTripleChecker+Invalid, 4959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:03:04,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1837 Valid, 23261 Invalid, 4959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4940 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:03:04,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40727 states. [2022-01-28 13:03:05,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40727 to 22975. [2022-01-28 13:03:05,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22975 states, 22974 states have (on average 2.755245059632628) internal successors, (63299), 22974 states have internal predecessors, (63299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:05,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22975 states to 22975 states and 63299 transitions. [2022-01-28 13:03:05,362 INFO L78 Accepts]: Start accepts. Automaton has 22975 states and 63299 transitions. Word has length 199 [2022-01-28 13:03:05,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:03:05,362 INFO L470 AbstractCegarLoop]: Abstraction has 22975 states and 63299 transitions. [2022-01-28 13:03:05,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:05,362 INFO L276 IsEmpty]: Start isEmpty. Operand 22975 states and 63299 transitions. [2022-01-28 13:03:05,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:03:05,392 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:03:05,392 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:03:05,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-01-28 13:03:05,392 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:03:05,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:03:05,393 INFO L85 PathProgramCache]: Analyzing trace with hash 599487167, now seen corresponding path program 133 times [2022-01-28 13:03:05,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:03:05,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607369590] [2022-01-28 13:03:05,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:03:05,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:03:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:03:05,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:03:05,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:03:05,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607369590] [2022-01-28 13:03:05,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607369590] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:03:05,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:03:05,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:03:05,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107226315] [2022-01-28 13:03:05,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:03:05,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:03:05,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:03:05,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:03:05,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:03:05,702 INFO L87 Difference]: Start difference. First operand 22975 states and 63299 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:08,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:03:08,549 INFO L93 Difference]: Finished difference Result 42085 states and 115002 transitions. [2022-01-28 13:03:08,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-28 13:03:08,549 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:03:08,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:03:08,618 INFO L225 Difference]: With dead ends: 42085 [2022-01-28 13:03:08,619 INFO L226 Difference]: Without dead ends: 42085 [2022-01-28 13:03:08,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1157 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=657, Invalid=5349, Unknown=0, NotChecked=0, Total=6006 [2022-01-28 13:03:08,620 INFO L933 BasicCegarLoop]: 1054 mSDtfsCounter, 1893 mSDsluCounter, 22763 mSDsCounter, 0 mSdLazyCounter, 4856 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1893 SdHoareTripleChecker+Valid, 23574 SdHoareTripleChecker+Invalid, 4875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 13:03:08,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1893 Valid, 23574 Invalid, 4875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4856 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 13:03:08,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42085 states. [2022-01-28 13:03:09,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42085 to 22959. [2022-01-28 13:03:09,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22959 states, 22958 states have (on average 2.7550744838400556) internal successors, (63251), 22958 states have internal predecessors, (63251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:09,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22959 states to 22959 states and 63251 transitions. [2022-01-28 13:03:09,303 INFO L78 Accepts]: Start accepts. Automaton has 22959 states and 63251 transitions. Word has length 199 [2022-01-28 13:03:09,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:03:09,304 INFO L470 AbstractCegarLoop]: Abstraction has 22959 states and 63251 transitions. [2022-01-28 13:03:09,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:09,304 INFO L276 IsEmpty]: Start isEmpty. Operand 22959 states and 63251 transitions. [2022-01-28 13:03:09,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:03:09,329 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:03:09,329 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:03:09,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-01-28 13:03:09,330 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:03:09,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:03:09,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1744151, now seen corresponding path program 134 times [2022-01-28 13:03:09,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:03:09,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115751253] [2022-01-28 13:03:09,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:03:09,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:03:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:03:09,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:03:09,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:03:09,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115751253] [2022-01-28 13:03:09,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115751253] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:03:09,636 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:03:09,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:03:09,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499054997] [2022-01-28 13:03:09,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:03:09,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:03:09,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:03:09,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:03:09,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:03:09,637 INFO L87 Difference]: Start difference. First operand 22959 states and 63251 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:12,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:03:12,427 INFO L93 Difference]: Finished difference Result 41078 states and 112144 transitions. [2022-01-28 13:03:12,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-28 13:03:12,428 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:03:12,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:03:12,501 INFO L225 Difference]: With dead ends: 41078 [2022-01-28 13:03:12,501 INFO L226 Difference]: Without dead ends: 41078 [2022-01-28 13:03:12,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1071 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=617, Invalid=5083, Unknown=0, NotChecked=0, Total=5700 [2022-01-28 13:03:12,502 INFO L933 BasicCegarLoop]: 1101 mSDtfsCounter, 1764 mSDsluCounter, 23740 mSDsCounter, 0 mSdLazyCounter, 4890 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 24578 SdHoareTripleChecker+Invalid, 4909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 13:03:12,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1764 Valid, 24578 Invalid, 4909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4890 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 13:03:12,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41078 states. [2022-01-28 13:03:12,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41078 to 22751. [2022-01-28 13:03:12,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22751 states, 22750 states have (on average 2.7528351648351648) internal successors, (62627), 22750 states have internal predecessors, (62627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22751 states to 22751 states and 62627 transitions. [2022-01-28 13:03:13,192 INFO L78 Accepts]: Start accepts. Automaton has 22751 states and 62627 transitions. Word has length 199 [2022-01-28 13:03:13,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:03:13,192 INFO L470 AbstractCegarLoop]: Abstraction has 22751 states and 62627 transitions. [2022-01-28 13:03:13,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:13,192 INFO L276 IsEmpty]: Start isEmpty. Operand 22751 states and 62627 transitions. [2022-01-28 13:03:13,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:03:13,218 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:03:13,218 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:03:13,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-01-28 13:03:13,218 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:03:13,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:03:13,219 INFO L85 PathProgramCache]: Analyzing trace with hash 691855757, now seen corresponding path program 135 times [2022-01-28 13:03:13,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:03:13,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482381011] [2022-01-28 13:03:13,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:03:13,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:03:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:03:13,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:03:13,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:03:13,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482381011] [2022-01-28 13:03:13,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482381011] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:03:13,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:03:13,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:03:13,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940378601] [2022-01-28 13:03:13,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:03:13,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:03:13,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:03:13,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:03:13,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:03:13,526 INFO L87 Difference]: Start difference. First operand 22751 states and 62627 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:16,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:03:16,156 INFO L93 Difference]: Finished difference Result 38087 states and 103971 transitions. [2022-01-28 13:03:16,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-28 13:03:16,157 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:03:16,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:03:16,218 INFO L225 Difference]: With dead ends: 38087 [2022-01-28 13:03:16,218 INFO L226 Difference]: Without dead ends: 38087 [2022-01-28 13:03:16,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 879 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=625, Invalid=4487, Unknown=0, NotChecked=0, Total=5112 [2022-01-28 13:03:16,219 INFO L933 BasicCegarLoop]: 908 mSDtfsCounter, 1784 mSDsluCounter, 19639 mSDsCounter, 0 mSdLazyCounter, 4533 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1784 SdHoareTripleChecker+Valid, 20323 SdHoareTripleChecker+Invalid, 4556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-28 13:03:16,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1784 Valid, 20323 Invalid, 4556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4533 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-28 13:03:16,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38087 states. [2022-01-28 13:03:16,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38087 to 22911. [2022-01-28 13:03:16,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22911 states, 22910 states have (on average 2.754735923177652) internal successors, (63111), 22910 states have internal predecessors, (63111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:16,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22911 states to 22911 states and 63111 transitions. [2022-01-28 13:03:16,749 INFO L78 Accepts]: Start accepts. Automaton has 22911 states and 63111 transitions. Word has length 199 [2022-01-28 13:03:16,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:03:16,749 INFO L470 AbstractCegarLoop]: Abstraction has 22911 states and 63111 transitions. [2022-01-28 13:03:16,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:16,750 INFO L276 IsEmpty]: Start isEmpty. Operand 22911 states and 63111 transitions. [2022-01-28 13:03:16,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:03:16,778 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:03:16,778 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:03:16,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-01-28 13:03:16,778 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:03:16,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:03:16,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1329942285, now seen corresponding path program 136 times [2022-01-28 13:03:16,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:03:16,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373815557] [2022-01-28 13:03:16,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:03:16,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:03:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:03:17,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:03:17,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:03:17,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373815557] [2022-01-28 13:03:17,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373815557] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:03:17,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:03:17,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:03:17,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665101738] [2022-01-28 13:03:17,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:03:17,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:03:17,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:03:17,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:03:17,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:03:17,084 INFO L87 Difference]: Start difference. First operand 22911 states and 63111 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:19,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:03:19,768 INFO L93 Difference]: Finished difference Result 37183 states and 101771 transitions. [2022-01-28 13:03:19,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-28 13:03:19,769 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:03:19,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:03:19,829 INFO L225 Difference]: With dead ends: 37183 [2022-01-28 13:03:19,829 INFO L226 Difference]: Without dead ends: 37183 [2022-01-28 13:03:19,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1057 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=650, Invalid=5050, Unknown=0, NotChecked=0, Total=5700 [2022-01-28 13:03:19,830 INFO L933 BasicCegarLoop]: 944 mSDtfsCounter, 1777 mSDsluCounter, 20192 mSDsCounter, 0 mSdLazyCounter, 4583 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1777 SdHoareTripleChecker+Valid, 21003 SdHoareTripleChecker+Invalid, 4606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-28 13:03:19,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1777 Valid, 21003 Invalid, 4606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4583 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-28 13:03:19,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37183 states. [2022-01-28 13:03:20,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37183 to 22847. [2022-01-28 13:03:20,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22847 states, 22846 states have (on average 2.753348507397356) internal successors, (62903), 22846 states have internal predecessors, (62903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:20,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22847 states to 22847 states and 62903 transitions. [2022-01-28 13:03:20,278 INFO L78 Accepts]: Start accepts. Automaton has 22847 states and 62903 transitions. Word has length 199 [2022-01-28 13:03:20,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:03:20,278 INFO L470 AbstractCegarLoop]: Abstraction has 22847 states and 62903 transitions. [2022-01-28 13:03:20,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:20,279 INFO L276 IsEmpty]: Start isEmpty. Operand 22847 states and 62903 transitions. [2022-01-28 13:03:20,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:03:20,307 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:03:20,308 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:03:20,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-01-28 13:03:20,308 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:03:20,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:03:20,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1707139509, now seen corresponding path program 137 times [2022-01-28 13:03:20,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:03:20,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209559092] [2022-01-28 13:03:20,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:03:20,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:03:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:03:20,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:03:20,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:03:20,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209559092] [2022-01-28 13:03:20,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209559092] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:03:20,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:03:20,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:03:20,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332378382] [2022-01-28 13:03:20,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:03:20,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:03:20,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:03:20,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:03:20,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:03:20,626 INFO L87 Difference]: Start difference. First operand 22847 states and 62903 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:23,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:03:23,101 INFO L93 Difference]: Finished difference Result 34988 states and 95598 transitions. [2022-01-28 13:03:23,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-28 13:03:23,102 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:03:23,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:03:23,157 INFO L225 Difference]: With dead ends: 34988 [2022-01-28 13:03:23,157 INFO L226 Difference]: Without dead ends: 34988 [2022-01-28 13:03:23,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 718 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=584, Invalid=3972, Unknown=0, NotChecked=0, Total=4556 [2022-01-28 13:03:23,158 INFO L933 BasicCegarLoop]: 887 mSDtfsCounter, 1599 mSDsluCounter, 19051 mSDsCounter, 0 mSdLazyCounter, 4250 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1599 SdHoareTripleChecker+Valid, 19734 SdHoareTripleChecker+Invalid, 4269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-28 13:03:23,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1599 Valid, 19734 Invalid, 4269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4250 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-28 13:03:23,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34988 states. [2022-01-28 13:03:23,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34988 to 22799. [2022-01-28 13:03:23,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22799 states, 22798 states have (on average 2.7528291955434687) internal successors, (62759), 22798 states have internal predecessors, (62759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:23,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22799 states to 22799 states and 62759 transitions. [2022-01-28 13:03:23,579 INFO L78 Accepts]: Start accepts. Automaton has 22799 states and 62759 transitions. Word has length 199 [2022-01-28 13:03:23,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:03:23,579 INFO L470 AbstractCegarLoop]: Abstraction has 22799 states and 62759 transitions. [2022-01-28 13:03:23,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:23,580 INFO L276 IsEmpty]: Start isEmpty. Operand 22799 states and 62759 transitions. [2022-01-28 13:03:23,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:03:23,608 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:03:23,608 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:03:23,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-01-28 13:03:23,608 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:03:23,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:03:23,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1344432821, now seen corresponding path program 138 times [2022-01-28 13:03:23,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:03:23,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246822994] [2022-01-28 13:03:23,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:03:23,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:03:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:03:23,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:03:23,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:03:23,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246822994] [2022-01-28 13:03:23,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246822994] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:03:23,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:03:23,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:03:23,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421068462] [2022-01-28 13:03:23,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:03:23,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:03:23,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:03:23,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:03:23,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:03:23,915 INFO L87 Difference]: Start difference. First operand 22799 states and 62759 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:26,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:03:26,680 INFO L93 Difference]: Finished difference Result 38679 states and 105561 transitions. [2022-01-28 13:03:26,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-28 13:03:26,680 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:03:26,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:03:26,741 INFO L225 Difference]: With dead ends: 38679 [2022-01-28 13:03:26,741 INFO L226 Difference]: Without dead ends: 38679 [2022-01-28 13:03:26,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1017 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=639, Invalid=4911, Unknown=0, NotChecked=0, Total=5550 [2022-01-28 13:03:26,742 INFO L933 BasicCegarLoop]: 945 mSDtfsCounter, 1791 mSDsluCounter, 20560 mSDsCounter, 0 mSdLazyCounter, 4747 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1791 SdHoareTripleChecker+Valid, 21235 SdHoareTripleChecker+Invalid, 4770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 13:03:26,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1791 Valid, 21235 Invalid, 4770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4747 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 13:03:26,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38679 states. [2022-01-28 13:03:27,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38679 to 22911. [2022-01-28 13:03:27,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22911 states, 22910 states have (on average 2.754735923177652) internal successors, (63111), 22910 states have internal predecessors, (63111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:27,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22911 states to 22911 states and 63111 transitions. [2022-01-28 13:03:27,181 INFO L78 Accepts]: Start accepts. Automaton has 22911 states and 63111 transitions. Word has length 199 [2022-01-28 13:03:27,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:03:27,181 INFO L470 AbstractCegarLoop]: Abstraction has 22911 states and 63111 transitions. [2022-01-28 13:03:27,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:27,181 INFO L276 IsEmpty]: Start isEmpty. Operand 22911 states and 63111 transitions. [2022-01-28 13:03:27,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:03:27,210 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:03:27,210 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:03:27,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-01-28 13:03:27,210 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:03:27,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:03:27,211 INFO L85 PathProgramCache]: Analyzing trace with hash 928736433, now seen corresponding path program 139 times [2022-01-28 13:03:27,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:03:27,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767287151] [2022-01-28 13:03:27,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:03:27,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:03:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:03:27,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:03:27,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:03:27,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767287151] [2022-01-28 13:03:27,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767287151] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:03:27,517 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:03:27,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:03:27,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793761226] [2022-01-28 13:03:27,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:03:27,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:03:27,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:03:27,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:03:27,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:03:27,518 INFO L87 Difference]: Start difference. First operand 22911 states and 63111 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:30,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:03:30,315 INFO L93 Difference]: Finished difference Result 37667 states and 103093 transitions. [2022-01-28 13:03:30,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-28 13:03:30,315 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:03:30,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:03:30,376 INFO L225 Difference]: With dead ends: 37667 [2022-01-28 13:03:30,376 INFO L226 Difference]: Without dead ends: 37667 [2022-01-28 13:03:30,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1160 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=654, Invalid=5352, Unknown=0, NotChecked=0, Total=6006 [2022-01-28 13:03:30,377 INFO L933 BasicCegarLoop]: 1001 mSDtfsCounter, 1786 mSDsluCounter, 21563 mSDsCounter, 0 mSdLazyCounter, 4768 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 22365 SdHoareTripleChecker+Invalid, 4791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 4768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 13:03:30,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1786 Valid, 22365 Invalid, 4791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 4768 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 13:03:30,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37667 states. [2022-01-28 13:03:30,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37667 to 22847. [2022-01-28 13:03:30,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22847 states, 22846 states have (on average 2.753348507397356) internal successors, (62903), 22846 states have internal predecessors, (62903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:30,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22847 states to 22847 states and 62903 transitions. [2022-01-28 13:03:30,803 INFO L78 Accepts]: Start accepts. Automaton has 22847 states and 62903 transitions. Word has length 199 [2022-01-28 13:03:30,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:03:30,804 INFO L470 AbstractCegarLoop]: Abstraction has 22847 states and 62903 transitions. [2022-01-28 13:03:30,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:30,804 INFO L276 IsEmpty]: Start isEmpty. Operand 22847 states and 62903 transitions. [2022-01-28 13:03:30,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:03:30,832 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:03:30,832 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:03:30,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-01-28 13:03:30,832 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:03:30,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:03:30,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1278190317, now seen corresponding path program 140 times [2022-01-28 13:03:30,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:03:30,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80031379] [2022-01-28 13:03:30,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:03:30,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:03:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:03:31,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:03:31,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:03:31,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80031379] [2022-01-28 13:03:31,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80031379] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:03:31,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:03:31,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:03:31,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103048409] [2022-01-28 13:03:31,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:03:31,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:03:31,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:03:31,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:03:31,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:03:31,146 INFO L87 Difference]: Start difference. First operand 22847 states and 62903 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:33,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:03:33,766 INFO L93 Difference]: Finished difference Result 34408 states and 94290 transitions. [2022-01-28 13:03:33,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-01-28 13:03:33,767 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:03:33,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:03:33,824 INFO L225 Difference]: With dead ends: 34408 [2022-01-28 13:03:33,824 INFO L226 Difference]: Without dead ends: 34408 [2022-01-28 13:03:33,825 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=575, Invalid=4537, Unknown=0, NotChecked=0, Total=5112 [2022-01-28 13:03:33,825 INFO L933 BasicCegarLoop]: 945 mSDtfsCounter, 1545 mSDsluCounter, 20243 mSDsCounter, 0 mSdLazyCounter, 4551 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1545 SdHoareTripleChecker+Valid, 21013 SdHoareTripleChecker+Invalid, 4570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-28 13:03:33,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1545 Valid, 21013 Invalid, 4570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4551 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-28 13:03:33,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34408 states. [2022-01-28 13:03:34,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34408 to 22763. [2022-01-28 13:03:34,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22763 states, 22762 states have (on average 2.7528336701520075) internal successors, (62660), 22762 states have internal predecessors, (62660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:34,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22763 states to 22763 states and 62660 transitions. [2022-01-28 13:03:34,260 INFO L78 Accepts]: Start accepts. Automaton has 22763 states and 62660 transitions. Word has length 199 [2022-01-28 13:03:34,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:03:34,260 INFO L470 AbstractCegarLoop]: Abstraction has 22763 states and 62660 transitions. [2022-01-28 13:03:34,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:34,260 INFO L276 IsEmpty]: Start isEmpty. Operand 22763 states and 62660 transitions. [2022-01-28 13:03:34,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:03:34,290 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:03:34,290 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:03:34,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-01-28 13:03:34,291 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:03:34,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:03:34,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1371592017, now seen corresponding path program 141 times [2022-01-28 13:03:34,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:03:34,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678507164] [2022-01-28 13:03:34,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:03:34,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:03:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:03:34,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:03:34,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:03:34,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678507164] [2022-01-28 13:03:34,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678507164] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:03:34,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:03:34,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:03:34,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367598382] [2022-01-28 13:03:34,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:03:34,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:03:34,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:03:34,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:03:34,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:03:34,603 INFO L87 Difference]: Start difference. First operand 22763 states and 62660 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:37,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:03:37,563 INFO L93 Difference]: Finished difference Result 42725 states and 116437 transitions. [2022-01-28 13:03:37,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-28 13:03:37,563 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:03:37,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:03:37,632 INFO L225 Difference]: With dead ends: 42725 [2022-01-28 13:03:37,632 INFO L226 Difference]: Without dead ends: 42725 [2022-01-28 13:03:37,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1151 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=685, Invalid=5321, Unknown=0, NotChecked=0, Total=6006 [2022-01-28 13:03:37,634 INFO L933 BasicCegarLoop]: 1006 mSDtfsCounter, 1972 mSDsluCounter, 22018 mSDsCounter, 0 mSdLazyCounter, 5065 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1972 SdHoareTripleChecker+Valid, 22708 SdHoareTripleChecker+Invalid, 5088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:03:37,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1972 Valid, 22708 Invalid, 5088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5065 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:03:37,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42725 states. [2022-01-28 13:03:38,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42725 to 22891. [2022-01-28 13:03:38,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22891 states, 22890 states have (on average 2.7549148099606815) internal successors, (63060), 22890 states have internal predecessors, (63060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:38,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22891 states to 22891 states and 63060 transitions. [2022-01-28 13:03:38,223 INFO L78 Accepts]: Start accepts. Automaton has 22891 states and 63060 transitions. Word has length 199 [2022-01-28 13:03:38,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:03:38,223 INFO L470 AbstractCegarLoop]: Abstraction has 22891 states and 63060 transitions. [2022-01-28 13:03:38,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:38,223 INFO L276 IsEmpty]: Start isEmpty. Operand 22891 states and 63060 transitions. [2022-01-28 13:03:38,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:03:38,253 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:03:38,253 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:03:38,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-01-28 13:03:38,253 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:03:38,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:03:38,254 INFO L85 PathProgramCache]: Analyzing trace with hash -650206025, now seen corresponding path program 142 times [2022-01-28 13:03:38,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:03:38,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243979916] [2022-01-28 13:03:38,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:03:38,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:03:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:03:38,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:03:38,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:03:38,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243979916] [2022-01-28 13:03:38,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243979916] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:03:38,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:03:38,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:03:38,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968514799] [2022-01-28 13:03:38,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:03:38,559 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:03:38,559 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:03:38,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:03:38,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:03:38,559 INFO L87 Difference]: Start difference. First operand 22891 states and 63060 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:41,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:03:41,545 INFO L93 Difference]: Finished difference Result 41542 states and 113531 transitions. [2022-01-28 13:03:41,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-28 13:03:41,545 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:03:41,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:03:41,744 INFO L225 Difference]: With dead ends: 41542 [2022-01-28 13:03:41,744 INFO L226 Difference]: Without dead ends: 41542 [2022-01-28 13:03:41,745 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1353 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=719, Invalid=5923, Unknown=0, NotChecked=0, Total=6642 [2022-01-28 13:03:41,745 INFO L933 BasicCegarLoop]: 1075 mSDtfsCounter, 1948 mSDsluCounter, 23260 mSDsCounter, 0 mSdLazyCounter, 5021 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1948 SdHoareTripleChecker+Valid, 24089 SdHoareTripleChecker+Invalid, 5044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:03:41,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1948 Valid, 24089 Invalid, 5044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5021 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:03:41,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41542 states. [2022-01-28 13:03:42,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41542 to 22827. [2022-01-28 13:03:42,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22827 states, 22826 states have (on average 2.7535266801016385) internal successors, (62852), 22826 states have internal predecessors, (62852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:42,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22827 states to 22827 states and 62852 transitions. [2022-01-28 13:03:42,163 INFO L78 Accepts]: Start accepts. Automaton has 22827 states and 62852 transitions. Word has length 199 [2022-01-28 13:03:42,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:03:42,163 INFO L470 AbstractCegarLoop]: Abstraction has 22827 states and 62852 transitions. [2022-01-28 13:03:42,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:42,164 INFO L276 IsEmpty]: Start isEmpty. Operand 22827 states and 62852 transitions. [2022-01-28 13:03:42,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:03:42,193 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:03:42,193 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:03:42,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-01-28 13:03:42,193 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:03:42,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:03:42,193 INFO L85 PathProgramCache]: Analyzing trace with hash -300752141, now seen corresponding path program 143 times [2022-01-28 13:03:42,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:03:42,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613226683] [2022-01-28 13:03:42,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:03:42,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:03:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:03:42,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:03:42,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:03:42,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613226683] [2022-01-28 13:03:42,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613226683] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:03:42,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:03:42,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:03:42,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794852469] [2022-01-28 13:03:42,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:03:42,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:03:42,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:03:42,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:03:42,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:03:42,502 INFO L87 Difference]: Start difference. First operand 22827 states and 62852 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:45,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:03:45,330 INFO L93 Difference]: Finished difference Result 37712 states and 103284 transitions. [2022-01-28 13:03:45,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-28 13:03:45,331 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:03:45,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:03:45,391 INFO L225 Difference]: With dead ends: 37712 [2022-01-28 13:03:45,391 INFO L226 Difference]: Without dead ends: 37712 [2022-01-28 13:03:45,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1023 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=616, Invalid=4934, Unknown=0, NotChecked=0, Total=5550 [2022-01-28 13:03:45,392 INFO L933 BasicCegarLoop]: 1020 mSDtfsCounter, 1658 mSDsluCounter, 21937 mSDsCounter, 0 mSdLazyCounter, 4817 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1658 SdHoareTripleChecker+Valid, 22738 SdHoareTripleChecker+Invalid, 4836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:03:45,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1658 Valid, 22738 Invalid, 4836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4817 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:03:45,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37712 states. [2022-01-28 13:03:45,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37712 to 22779. [2022-01-28 13:03:45,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22779 states, 22778 states have (on average 2.7530072877337783) internal successors, (62708), 22778 states have internal predecessors, (62708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:45,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22779 states to 22779 states and 62708 transitions. [2022-01-28 13:03:45,877 INFO L78 Accepts]: Start accepts. Automaton has 22779 states and 62708 transitions. Word has length 199 [2022-01-28 13:03:45,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:03:45,878 INFO L470 AbstractCegarLoop]: Abstraction has 22779 states and 62708 transitions. [2022-01-28 13:03:45,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:45,878 INFO L276 IsEmpty]: Start isEmpty. Operand 22779 states and 62708 transitions. [2022-01-28 13:03:45,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:03:45,907 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:03:45,907 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:03:45,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-01-28 13:03:45,907 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:03:45,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:03:45,907 INFO L85 PathProgramCache]: Analyzing trace with hash 701619839, now seen corresponding path program 144 times [2022-01-28 13:03:45,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:03:45,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151982389] [2022-01-28 13:03:45,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:03:45,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:03:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:03:46,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:03:46,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:03:46,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151982389] [2022-01-28 13:03:46,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151982389] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:03:46,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:03:46,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:03:46,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033211662] [2022-01-28 13:03:46,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:03:46,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:03:46,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:03:46,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:03:46,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:03:46,215 INFO L87 Difference]: Start difference. First operand 22779 states and 62708 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:49,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:03:49,083 INFO L93 Difference]: Finished difference Result 38446 states and 104978 transitions. [2022-01-28 13:03:49,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-28 13:03:49,084 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:03:49,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:03:49,138 INFO L225 Difference]: With dead ends: 38446 [2022-01-28 13:03:49,138 INFO L226 Difference]: Without dead ends: 38446 [2022-01-28 13:03:49,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1025 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=609, Invalid=4941, Unknown=0, NotChecked=0, Total=5550 [2022-01-28 13:03:49,138 INFO L933 BasicCegarLoop]: 1049 mSDtfsCounter, 1692 mSDsluCounter, 22656 mSDsCounter, 0 mSdLazyCounter, 4748 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1692 SdHoareTripleChecker+Valid, 23461 SdHoareTripleChecker+Invalid, 4767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 13:03:49,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1692 Valid, 23461 Invalid, 4767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4748 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 13:03:49,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38446 states. [2022-01-28 13:03:49,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38446 to 22595. [2022-01-28 13:03:49,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22595 states, 22594 states have (on average 2.752854740196512) internal successors, (62198), 22594 states have internal predecessors, (62198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:49,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62198 transitions. [2022-01-28 13:03:49,539 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 62198 transitions. Word has length 199 [2022-01-28 13:03:49,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:03:49,539 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 62198 transitions. [2022-01-28 13:03:49,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:49,539 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 62198 transitions. [2022-01-28 13:03:49,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:03:49,567 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:03:49,567 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:03:49,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-01-28 13:03:49,568 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:03:49,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:03:49,568 INFO L85 PathProgramCache]: Analyzing trace with hash -386814799, now seen corresponding path program 145 times [2022-01-28 13:03:49,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:03:49,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640406698] [2022-01-28 13:03:49,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:03:49,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:03:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:03:49,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:03:49,880 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:03:49,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640406698] [2022-01-28 13:03:49,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640406698] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:03:49,880 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:03:49,880 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:03:49,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20726413] [2022-01-28 13:03:49,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:03:49,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:03:49,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:03:49,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:03:49,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:03:49,881 INFO L87 Difference]: Start difference. First operand 22595 states and 62198 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:53,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:03:53,235 INFO L93 Difference]: Finished difference Result 47458 states and 129111 transitions. [2022-01-28 13:03:53,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-28 13:03:53,236 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:03:53,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:03:53,322 INFO L225 Difference]: With dead ends: 47458 [2022-01-28 13:03:53,323 INFO L226 Difference]: Without dead ends: 47458 [2022-01-28 13:03:53,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1381 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=781, Invalid=6025, Unknown=0, NotChecked=0, Total=6806 [2022-01-28 13:03:53,324 INFO L933 BasicCegarLoop]: 1111 mSDtfsCounter, 2218 mSDsluCounter, 24494 mSDsCounter, 0 mSdLazyCounter, 5574 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2218 SdHoareTripleChecker+Valid, 25201 SdHoareTripleChecker+Invalid, 5597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:03:53,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2218 Valid, 25201 Invalid, 5597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5574 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-01-28 13:03:53,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47458 states. [2022-01-28 13:03:53,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47458 to 22947. [2022-01-28 13:03:53,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22947 states, 22946 states have (on average 2.7573433278131265) internal successors, (63270), 22946 states have internal predecessors, (63270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:53,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22947 states to 22947 states and 63270 transitions. [2022-01-28 13:03:53,879 INFO L78 Accepts]: Start accepts. Automaton has 22947 states and 63270 transitions. Word has length 199 [2022-01-28 13:03:53,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:03:53,880 INFO L470 AbstractCegarLoop]: Abstraction has 22947 states and 63270 transitions. [2022-01-28 13:03:53,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:53,880 INFO L276 IsEmpty]: Start isEmpty. Operand 22947 states and 63270 transitions. [2022-01-28 13:03:53,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:03:53,920 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:03:53,920 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:03:53,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-01-28 13:03:53,920 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:03:53,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:03:53,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1886354455, now seen corresponding path program 146 times [2022-01-28 13:03:53,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:03:53,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668321440] [2022-01-28 13:03:53,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:03:53,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:03:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:03:54,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:03:54,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:03:54,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668321440] [2022-01-28 13:03:54,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668321440] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:03:54,259 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:03:54,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:03:54,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137184827] [2022-01-28 13:03:54,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:03:54,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:03:54,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:03:54,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:03:54,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:03:54,260 INFO L87 Difference]: Start difference. First operand 22947 states and 63270 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:57,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:03:57,631 INFO L93 Difference]: Finished difference Result 44953 states and 122746 transitions. [2022-01-28 13:03:57,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-01-28 13:03:57,631 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:03:57,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:03:57,723 INFO L225 Difference]: With dead ends: 44953 [2022-01-28 13:03:57,723 INFO L226 Difference]: Without dead ends: 44953 [2022-01-28 13:03:57,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1510 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=772, Invalid=6368, Unknown=0, NotChecked=0, Total=7140 [2022-01-28 13:03:57,725 INFO L933 BasicCegarLoop]: 1130 mSDtfsCounter, 2116 mSDsluCounter, 24678 mSDsCounter, 0 mSdLazyCounter, 5324 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2116 SdHoareTripleChecker+Valid, 25511 SdHoareTripleChecker+Invalid, 5347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:03:57,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2116 Valid, 25511 Invalid, 5347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5324 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 13:03:57,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44953 states. [2022-01-28 13:03:58,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44953 to 22883. [2022-01-28 13:03:58,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22883 states, 22882 states have (on average 2.7559653876409405) internal successors, (63062), 22882 states have internal predecessors, (63062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:58,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22883 states to 22883 states and 63062 transitions. [2022-01-28 13:03:58,267 INFO L78 Accepts]: Start accepts. Automaton has 22883 states and 63062 transitions. Word has length 199 [2022-01-28 13:03:58,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:03:58,267 INFO L470 AbstractCegarLoop]: Abstraction has 22883 states and 63062 transitions. [2022-01-28 13:03:58,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:03:58,267 INFO L276 IsEmpty]: Start isEmpty. Operand 22883 states and 63062 transitions. [2022-01-28 13:03:58,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:03:58,296 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:03:58,296 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:03:58,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-01-28 13:03:58,296 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:03:58,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:03:58,296 INFO L85 PathProgramCache]: Analyzing trace with hash -485475471, now seen corresponding path program 147 times [2022-01-28 13:03:58,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:03:58,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311886877] [2022-01-28 13:03:58,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:03:58,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:03:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:03:58,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:03:58,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:03:58,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311886877] [2022-01-28 13:03:58,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311886877] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:03:58,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:03:58,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:03:58,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414774773] [2022-01-28 13:03:58,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:03:58,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:03:58,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:03:58,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:03:58,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:03:58,605 INFO L87 Difference]: Start difference. First operand 22883 states and 63062 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:01,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:04:01,762 INFO L93 Difference]: Finished difference Result 43095 states and 117961 transitions. [2022-01-28 13:04:01,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-28 13:04:01,763 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:04:01,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:04:01,840 INFO L225 Difference]: With dead ends: 43095 [2022-01-28 13:04:01,840 INFO L226 Difference]: Without dead ends: 43095 [2022-01-28 13:04:01,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1202 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=679, Invalid=5483, Unknown=0, NotChecked=0, Total=6162 [2022-01-28 13:04:01,841 INFO L933 BasicCegarLoop]: 1125 mSDtfsCounter, 1846 mSDsluCounter, 24298 mSDsCounter, 0 mSdLazyCounter, 5291 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 25139 SdHoareTripleChecker+Invalid, 5310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:04:01,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1846 Valid, 25139 Invalid, 5310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5291 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:04:01,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43095 states. [2022-01-28 13:04:02,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43095 to 22835. [2022-01-28 13:04:02,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22835 states, 22834 states have (on average 2.755452395550495) internal successors, (62918), 22834 states have internal predecessors, (62918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:02,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22835 states to 22835 states and 62918 transitions. [2022-01-28 13:04:02,400 INFO L78 Accepts]: Start accepts. Automaton has 22835 states and 62918 transitions. Word has length 199 [2022-01-28 13:04:02,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:04:02,400 INFO L470 AbstractCegarLoop]: Abstraction has 22835 states and 62918 transitions. [2022-01-28 13:04:02,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:02,400 INFO L276 IsEmpty]: Start isEmpty. Operand 22835 states and 62918 transitions. [2022-01-28 13:04:02,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:04:02,431 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:04:02,431 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:04:02,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-01-28 13:04:02,432 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:04:02,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:04:02,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1115811429, now seen corresponding path program 148 times [2022-01-28 13:04:02,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:04:02,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519846347] [2022-01-28 13:04:02,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:04:02,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:04:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:04:02,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:04:02,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:04:02,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519846347] [2022-01-28 13:04:02,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519846347] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:04:02,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:04:02,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:04:02,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760688439] [2022-01-28 13:04:02,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:04:02,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:04:02,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:04:02,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:04:02,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:04:02,753 INFO L87 Difference]: Start difference. First operand 22835 states and 62918 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:05,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:04:05,854 INFO L93 Difference]: Finished difference Result 44453 states and 121353 transitions. [2022-01-28 13:04:05,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-28 13:04:05,854 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:04:05,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:04:05,937 INFO L225 Difference]: With dead ends: 44453 [2022-01-28 13:04:05,937 INFO L226 Difference]: Without dead ends: 44453 [2022-01-28 13:04:05,938 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1203 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=675, Invalid=5487, Unknown=0, NotChecked=0, Total=6162 [2022-01-28 13:04:05,939 INFO L933 BasicCegarLoop]: 1138 mSDtfsCounter, 1902 mSDsluCounter, 24603 mSDsCounter, 0 mSdLazyCounter, 5211 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1902 SdHoareTripleChecker+Valid, 25454 SdHoareTripleChecker+Invalid, 5230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:04:05,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1902 Valid, 25454 Invalid, 5230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5211 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:04:06,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44453 states. [2022-01-28 13:04:06,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44453 to 22819. [2022-01-28 13:04:06,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22819 states, 22818 states have (on average 2.7552809185730562) internal successors, (62870), 22818 states have internal predecessors, (62870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:06,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22819 states to 22819 states and 62870 transitions. [2022-01-28 13:04:06,460 INFO L78 Accepts]: Start accepts. Automaton has 22819 states and 62870 transitions. Word has length 199 [2022-01-28 13:04:06,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:04:06,461 INFO L470 AbstractCegarLoop]: Abstraction has 22819 states and 62870 transitions. [2022-01-28 13:04:06,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:06,461 INFO L276 IsEmpty]: Start isEmpty. Operand 22819 states and 62870 transitions. [2022-01-28 13:04:06,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:04:06,495 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:04:06,495 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:04:06,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-01-28 13:04:06,495 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:04:06,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:04:06,496 INFO L85 PathProgramCache]: Analyzing trace with hash 514580111, now seen corresponding path program 149 times [2022-01-28 13:04:06,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:04:06,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758021775] [2022-01-28 13:04:06,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:04:06,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:04:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:04:06,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:04:06,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:04:06,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758021775] [2022-01-28 13:04:06,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758021775] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:04:06,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:04:06,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:04:06,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097397500] [2022-01-28 13:04:06,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:04:06,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:04:06,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:04:06,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:04:06,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:04:06,825 INFO L87 Difference]: Start difference. First operand 22819 states and 62870 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:09,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:04:09,964 INFO L93 Difference]: Finished difference Result 45696 states and 124525 transitions. [2022-01-28 13:04:09,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-28 13:04:09,965 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:04:09,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:04:10,049 INFO L225 Difference]: With dead ends: 45696 [2022-01-28 13:04:10,049 INFO L226 Difference]: Without dead ends: 45696 [2022-01-28 13:04:10,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1204 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=668, Invalid=5494, Unknown=0, NotChecked=0, Total=6162 [2022-01-28 13:04:10,050 INFO L933 BasicCegarLoop]: 1175 mSDtfsCounter, 1872 mSDsluCounter, 25383 mSDsCounter, 0 mSdLazyCounter, 5211 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1872 SdHoareTripleChecker+Valid, 26251 SdHoareTripleChecker+Invalid, 5230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:04:10,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1872 Valid, 26251 Invalid, 5230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5211 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:04:10,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45696 states. [2022-01-28 13:04:10,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45696 to 22611. [2022-01-28 13:04:10,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22611 states, 22610 states have (on average 2.7530296329057937) internal successors, (62246), 22610 states have internal predecessors, (62246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:10,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22611 states to 22611 states and 62246 transitions. [2022-01-28 13:04:10,676 INFO L78 Accepts]: Start accepts. Automaton has 22611 states and 62246 transitions. Word has length 199 [2022-01-28 13:04:10,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:04:10,676 INFO L470 AbstractCegarLoop]: Abstraction has 22611 states and 62246 transitions. [2022-01-28 13:04:10,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:10,676 INFO L276 IsEmpty]: Start isEmpty. Operand 22611 states and 62246 transitions. [2022-01-28 13:04:10,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:04:10,710 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:04:10,710 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:04:10,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-01-28 13:04:10,710 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:04:10,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:04:10,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1850373683, now seen corresponding path program 150 times [2022-01-28 13:04:10,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:04:10,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193439081] [2022-01-28 13:04:10,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:04:10,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:04:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:04:11,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:04:11,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:04:11,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193439081] [2022-01-28 13:04:11,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193439081] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:04:11,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:04:11,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:04:11,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286814572] [2022-01-28 13:04:11,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:04:11,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:04:11,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:04:11,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:04:11,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:04:11,024 INFO L87 Difference]: Start difference. First operand 22611 states and 62246 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:13,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:04:13,907 INFO L93 Difference]: Finished difference Result 41265 states and 112417 transitions. [2022-01-28 13:04:13,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-28 13:04:13,907 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:04:13,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:04:13,980 INFO L225 Difference]: With dead ends: 41265 [2022-01-28 13:04:13,980 INFO L226 Difference]: Without dead ends: 41265 [2022-01-28 13:04:13,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1071 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=617, Invalid=5083, Unknown=0, NotChecked=0, Total=5700 [2022-01-28 13:04:13,982 INFO L933 BasicCegarLoop]: 1131 mSDtfsCounter, 1819 mSDsluCounter, 24468 mSDsCounter, 0 mSdLazyCounter, 4941 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1819 SdHoareTripleChecker+Valid, 25293 SdHoareTripleChecker+Invalid, 4960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:04:13,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1819 Valid, 25293 Invalid, 4960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4941 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:04:14,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41265 states. [2022-01-28 13:04:14,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41265 to 22583. [2022-01-28 13:04:14,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22583 states, 22582 states have (on average 2.752856257195997) internal successors, (62165), 22582 states have internal predecessors, (62165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:14,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22583 states to 22583 states and 62165 transitions. [2022-01-28 13:04:14,553 INFO L78 Accepts]: Start accepts. Automaton has 22583 states and 62165 transitions. Word has length 199 [2022-01-28 13:04:14,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:04:14,553 INFO L470 AbstractCegarLoop]: Abstraction has 22583 states and 62165 transitions. [2022-01-28 13:04:14,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:14,553 INFO L276 IsEmpty]: Start isEmpty. Operand 22583 states and 62165 transitions. [2022-01-28 13:04:14,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:04:14,582 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:04:14,583 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:04:14,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-01-28 13:04:14,583 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:04:14,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:04:14,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1359362075, now seen corresponding path program 151 times [2022-01-28 13:04:14,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:04:14,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740309590] [2022-01-28 13:04:14,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:04:14,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:04:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:04:14,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:04:14,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:04:14,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740309590] [2022-01-28 13:04:14,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740309590] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:04:14,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:04:14,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:04:14,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344915938] [2022-01-28 13:04:14,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:04:14,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:04:14,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:04:14,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:04:14,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:04:14,889 INFO L87 Difference]: Start difference. First operand 22583 states and 62165 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:18,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:04:18,479 INFO L93 Difference]: Finished difference Result 48005 states and 130591 transitions. [2022-01-28 13:04:18,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-01-28 13:04:18,479 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:04:18,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:04:18,580 INFO L225 Difference]: With dead ends: 48005 [2022-01-28 13:04:18,581 INFO L226 Difference]: Without dead ends: 48005 [2022-01-28 13:04:18,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1473 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=831, Invalid=6309, Unknown=0, NotChecked=0, Total=7140 [2022-01-28 13:04:18,582 INFO L933 BasicCegarLoop]: 1154 mSDtfsCounter, 2346 mSDsluCounter, 25468 mSDsCounter, 0 mSdLazyCounter, 5508 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2346 SdHoareTripleChecker+Valid, 26177 SdHoareTripleChecker+Invalid, 5531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:04:18,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2346 Valid, 26177 Invalid, 5531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5508 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-01-28 13:04:18,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48005 states. [2022-01-28 13:04:19,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48005 to 22983. [2022-01-28 13:04:19,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22983 states, 22982 states have (on average 2.757853972674267) internal successors, (63381), 22982 states have internal predecessors, (63381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:19,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22983 states to 22983 states and 63381 transitions. [2022-01-28 13:04:19,197 INFO L78 Accepts]: Start accepts. Automaton has 22983 states and 63381 transitions. Word has length 199 [2022-01-28 13:04:19,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:04:19,198 INFO L470 AbstractCegarLoop]: Abstraction has 22983 states and 63381 transitions. [2022-01-28 13:04:19,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:19,198 INFO L276 IsEmpty]: Start isEmpty. Operand 22983 states and 63381 transitions. [2022-01-28 13:04:19,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:04:19,226 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:04:19,227 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:04:19,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-01-28 13:04:19,227 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:04:19,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:04:19,227 INFO L85 PathProgramCache]: Analyzing trace with hash 913807179, now seen corresponding path program 152 times [2022-01-28 13:04:19,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:04:19,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038788796] [2022-01-28 13:04:19,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:04:19,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:04:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:04:19,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:04:19,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:04:19,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038788796] [2022-01-28 13:04:19,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038788796] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:04:19,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:04:19,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:04:19,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139232538] [2022-01-28 13:04:19,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:04:19,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:04:19,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:04:19,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:04:19,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:04:19,548 INFO L87 Difference]: Start difference. First operand 22983 states and 63381 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:23,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:04:23,049 INFO L93 Difference]: Finished difference Result 45312 states and 123734 transitions. [2022-01-28 13:04:23,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-01-28 13:04:23,049 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:04:23,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:04:23,115 INFO L225 Difference]: With dead ends: 45312 [2022-01-28 13:04:23,115 INFO L226 Difference]: Without dead ends: 45312 [2022-01-28 13:04:23,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1562 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=796, Invalid=6514, Unknown=0, NotChecked=0, Total=7310 [2022-01-28 13:04:23,116 INFO L933 BasicCegarLoop]: 1154 mSDtfsCounter, 2205 mSDsluCounter, 25287 mSDsCounter, 0 mSdLazyCounter, 5258 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2205 SdHoareTripleChecker+Valid, 26120 SdHoareTripleChecker+Invalid, 5281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:04:23,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2205 Valid, 26120 Invalid, 5281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5258 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 13:04:23,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45312 states. [2022-01-28 13:04:23,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45312 to 22919. [2022-01-28 13:04:23,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22919 states, 22918 states have (on average 2.7564796230037527) internal successors, (63173), 22918 states have internal predecessors, (63173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:23,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22919 states to 22919 states and 63173 transitions. [2022-01-28 13:04:23,555 INFO L78 Accepts]: Start accepts. Automaton has 22919 states and 63173 transitions. Word has length 199 [2022-01-28 13:04:23,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:04:23,555 INFO L470 AbstractCegarLoop]: Abstraction has 22919 states and 63173 transitions. [2022-01-28 13:04:23,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:23,555 INFO L276 IsEmpty]: Start isEmpty. Operand 22919 states and 63173 transitions. [2022-01-28 13:04:23,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:04:23,582 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:04:23,582 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:04:23,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-01-28 13:04:23,583 INFO L402 AbstractCegarLoop]: === Iteration 177 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:04:23,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:04:23,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1458022747, now seen corresponding path program 153 times [2022-01-28 13:04:23,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:04:23,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506945249] [2022-01-28 13:04:23,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:04:23,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:04:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:04:23,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:04:23,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:04:23,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506945249] [2022-01-28 13:04:23,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506945249] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:04:23,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:04:23,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:04:23,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772867831] [2022-01-28 13:04:23,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:04:23,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:04:23,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:04:23,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:04:23,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:04:23,898 INFO L87 Difference]: Start difference. First operand 22919 states and 63173 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:27,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:04:27,088 INFO L93 Difference]: Finished difference Result 43454 states and 118949 transitions. [2022-01-28 13:04:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-28 13:04:27,089 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:04:27,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:04:27,157 INFO L225 Difference]: With dead ends: 43454 [2022-01-28 13:04:27,157 INFO L226 Difference]: Without dead ends: 43454 [2022-01-28 13:04:27,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=699, Invalid=5621, Unknown=0, NotChecked=0, Total=6320 [2022-01-28 13:04:27,158 INFO L933 BasicCegarLoop]: 1149 mSDtfsCounter, 1935 mSDsluCounter, 24817 mSDsCounter, 0 mSdLazyCounter, 5224 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1935 SdHoareTripleChecker+Valid, 25662 SdHoareTripleChecker+Invalid, 5243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:04:27,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1935 Valid, 25662 Invalid, 5243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5224 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:04:27,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43454 states. [2022-01-28 13:04:27,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43454 to 22871. [2022-01-28 13:04:27,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22871 states, 22870 states have (on average 2.755968517708789) internal successors, (63029), 22870 states have internal predecessors, (63029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:27,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22871 states to 22871 states and 63029 transitions. [2022-01-28 13:04:27,619 INFO L78 Accepts]: Start accepts. Automaton has 22871 states and 63029 transitions. Word has length 199 [2022-01-28 13:04:27,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:04:27,619 INFO L470 AbstractCegarLoop]: Abstraction has 22871 states and 63029 transitions. [2022-01-28 13:04:27,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:27,619 INFO L276 IsEmpty]: Start isEmpty. Operand 22871 states and 63029 transitions. [2022-01-28 13:04:27,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:04:27,648 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:04:27,648 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:04:27,648 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2022-01-28 13:04:27,649 INFO L402 AbstractCegarLoop]: === Iteration 178 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:04:27,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:04:27,649 INFO L85 PathProgramCache]: Analyzing trace with hash 143264153, now seen corresponding path program 154 times [2022-01-28 13:04:27,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:04:27,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459584233] [2022-01-28 13:04:27,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:04:27,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:04:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:04:27,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:04:27,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:04:27,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459584233] [2022-01-28 13:04:27,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459584233] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:04:27,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:04:27,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:04:27,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459828075] [2022-01-28 13:04:27,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:04:27,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:04:27,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:04:27,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:04:27,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:04:27,954 INFO L87 Difference]: Start difference. First operand 22871 states and 63029 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:31,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:04:31,030 INFO L93 Difference]: Finished difference Result 44812 states and 122341 transitions. [2022-01-28 13:04:31,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-28 13:04:31,030 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:04:31,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:04:31,101 INFO L225 Difference]: With dead ends: 44812 [2022-01-28 13:04:31,101 INFO L226 Difference]: Without dead ends: 44812 [2022-01-28 13:04:31,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=696, Invalid=5624, Unknown=0, NotChecked=0, Total=6320 [2022-01-28 13:04:31,103 INFO L933 BasicCegarLoop]: 1162 mSDtfsCounter, 1991 mSDsluCounter, 25105 mSDsCounter, 0 mSdLazyCounter, 5151 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1991 SdHoareTripleChecker+Valid, 25960 SdHoareTripleChecker+Invalid, 5170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:04:31,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1991 Valid, 25960 Invalid, 5170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5151 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:04:31,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44812 states. [2022-01-28 13:04:31,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44812 to 22855. [2022-01-28 13:04:31,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22855 states, 22854 states have (on average 2.755797672179925) internal successors, (62981), 22854 states have internal predecessors, (62981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:31,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22855 states to 22855 states and 62981 transitions. [2022-01-28 13:04:31,693 INFO L78 Accepts]: Start accepts. Automaton has 22855 states and 62981 transitions. Word has length 199 [2022-01-28 13:04:31,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:04:31,694 INFO L470 AbstractCegarLoop]: Abstraction has 22855 states and 62981 transitions. [2022-01-28 13:04:31,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:31,694 INFO L276 IsEmpty]: Start isEmpty. Operand 22855 states and 62981 transitions. [2022-01-28 13:04:31,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:04:31,734 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:04:31,734 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:04:31,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2022-01-28 13:04:31,734 INFO L402 AbstractCegarLoop]: === Iteration 179 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:04:31,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:04:31,735 INFO L85 PathProgramCache]: Analyzing trace with hash -457967165, now seen corresponding path program 155 times [2022-01-28 13:04:31,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:04:31,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490741802] [2022-01-28 13:04:31,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:04:31,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:04:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:04:32,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:04:32,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:04:32,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490741802] [2022-01-28 13:04:32,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490741802] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:04:32,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:04:32,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:04:32,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751084528] [2022-01-28 13:04:32,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:04:32,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:04:32,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:04:32,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:04:32,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:04:32,053 INFO L87 Difference]: Start difference. First operand 22855 states and 62981 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:35,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:04:35,155 INFO L93 Difference]: Finished difference Result 46055 states and 125513 transitions. [2022-01-28 13:04:35,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-28 13:04:35,156 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:04:35,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:04:35,232 INFO L225 Difference]: With dead ends: 46055 [2022-01-28 13:04:35,232 INFO L226 Difference]: Without dead ends: 46055 [2022-01-28 13:04:35,233 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=690, Invalid=5630, Unknown=0, NotChecked=0, Total=6320 [2022-01-28 13:04:35,234 INFO L933 BasicCegarLoop]: 1199 mSDtfsCounter, 1961 mSDsluCounter, 25842 mSDsCounter, 0 mSdLazyCounter, 5157 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1961 SdHoareTripleChecker+Valid, 26715 SdHoareTripleChecker+Invalid, 5176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:04:35,234 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1961 Valid, 26715 Invalid, 5176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5157 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:04:35,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46055 states. [2022-01-28 13:04:35,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46055 to 22647. [2022-01-28 13:04:35,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22647 states, 22646 states have (on average 2.753554711648856) internal successors, (62357), 22646 states have internal predecessors, (62357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:35,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22647 states to 22647 states and 62357 transitions. [2022-01-28 13:04:35,725 INFO L78 Accepts]: Start accepts. Automaton has 22647 states and 62357 transitions. Word has length 199 [2022-01-28 13:04:35,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:04:35,725 INFO L470 AbstractCegarLoop]: Abstraction has 22647 states and 62357 transitions. [2022-01-28 13:04:35,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:35,725 INFO L276 IsEmpty]: Start isEmpty. Operand 22647 states and 62357 transitions. [2022-01-28 13:04:35,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:04:35,753 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:04:35,753 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:04:35,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2022-01-28 13:04:35,753 INFO L402 AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:04:35,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:04:35,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1472046337, now seen corresponding path program 156 times [2022-01-28 13:04:35,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:04:35,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796339004] [2022-01-28 13:04:35,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:04:35,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:04:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:04:36,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:04:36,125 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:04:36,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796339004] [2022-01-28 13:04:36,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796339004] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:04:36,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:04:36,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:04:36,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457294149] [2022-01-28 13:04:36,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:04:36,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:04:36,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:04:36,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:04:36,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:04:36,127 INFO L87 Difference]: Start difference. First operand 22647 states and 62357 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:39,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:04:39,232 INFO L93 Difference]: Finished difference Result 46713 states and 127235 transitions. [2022-01-28 13:04:39,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-01-28 13:04:39,232 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:04:39,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:04:39,308 INFO L225 Difference]: With dead ends: 46713 [2022-01-28 13:04:39,308 INFO L226 Difference]: Without dead ends: 46713 [2022-01-28 13:04:39,309 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1203 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=668, Invalid=5494, Unknown=0, NotChecked=0, Total=6162 [2022-01-28 13:04:39,309 INFO L933 BasicCegarLoop]: 1203 mSDtfsCounter, 1951 mSDsluCounter, 26008 mSDsCounter, 0 mSdLazyCounter, 5159 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 26884 SdHoareTripleChecker+Invalid, 5178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:04:39,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1951 Valid, 26884 Invalid, 5178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5159 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:04:39,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46713 states. [2022-01-28 13:04:39,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46713 to 22631. [2022-01-28 13:04:39,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22631 states, 22630 states have (on average 2.7533804684047722) internal successors, (62309), 22630 states have internal predecessors, (62309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:39,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22631 states to 22631 states and 62309 transitions. [2022-01-28 13:04:39,826 INFO L78 Accepts]: Start accepts. Automaton has 22631 states and 62309 transitions. Word has length 199 [2022-01-28 13:04:39,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:04:39,826 INFO L470 AbstractCegarLoop]: Abstraction has 22631 states and 62309 transitions. [2022-01-28 13:04:39,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:39,826 INFO L276 IsEmpty]: Start isEmpty. Operand 22631 states and 62309 transitions. [2022-01-28 13:04:39,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:04:39,854 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:04:39,854 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:04:39,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2022-01-28 13:04:39,854 INFO L402 AbstractCegarLoop]: === Iteration 181 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:04:39,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:04:39,855 INFO L85 PathProgramCache]: Analyzing trace with hash -176879657, now seen corresponding path program 157 times [2022-01-28 13:04:39,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:04:39,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424894275] [2022-01-28 13:04:39,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:04:39,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:04:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:04:40,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:04:40,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:04:40,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424894275] [2022-01-28 13:04:40,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424894275] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:04:40,173 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:04:40,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:04:40,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172224048] [2022-01-28 13:04:40,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:04:40,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:04:40,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:04:40,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:04:40,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:04:40,174 INFO L87 Difference]: Start difference. First operand 22631 states and 62309 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:43,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:04:43,030 INFO L93 Difference]: Finished difference Result 41678 states and 113533 transitions. [2022-01-28 13:04:43,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-28 13:04:43,030 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:04:43,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:04:43,098 INFO L225 Difference]: With dead ends: 41678 [2022-01-28 13:04:43,098 INFO L226 Difference]: Without dead ends: 41678 [2022-01-28 13:04:43,099 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1069 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=621, Invalid=5079, Unknown=0, NotChecked=0, Total=5700 [2022-01-28 13:04:43,099 INFO L933 BasicCegarLoop]: 1154 mSDtfsCounter, 1854 mSDsluCounter, 25005 mSDsCounter, 0 mSdLazyCounter, 4725 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1854 SdHoareTripleChecker+Valid, 25834 SdHoareTripleChecker+Invalid, 4744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:04:43,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1854 Valid, 25834 Invalid, 4744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4725 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:04:43,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41678 states. [2022-01-28 13:04:43,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41678 to 22547. [2022-01-28 13:04:43,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22547 states, 22546 states have (on average 2.7528608178834384) internal successors, (62066), 22546 states have internal predecessors, (62066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:43,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22547 states to 22547 states and 62066 transitions. [2022-01-28 13:04:43,536 INFO L78 Accepts]: Start accepts. Automaton has 22547 states and 62066 transitions. Word has length 199 [2022-01-28 13:04:43,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:04:43,536 INFO L470 AbstractCegarLoop]: Abstraction has 22547 states and 62066 transitions. [2022-01-28 13:04:43,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:43,536 INFO L276 IsEmpty]: Start isEmpty. Operand 22547 states and 62066 transitions. [2022-01-28 13:04:43,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:04:43,564 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:04:43,564 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:04:43,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2022-01-28 13:04:43,564 INFO L402 AbstractCegarLoop]: === Iteration 182 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:04:43,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:04:43,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1840550795, now seen corresponding path program 158 times [2022-01-28 13:04:43,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:04:43,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498344142] [2022-01-28 13:04:43,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:04:43,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:04:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:04:43,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:04:43,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:04:43,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498344142] [2022-01-28 13:04:43,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498344142] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:04:43,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:04:43,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:04:43,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833375524] [2022-01-28 13:04:43,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:04:43,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:04:43,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:04:43,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:04:43,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:04:43,876 INFO L87 Difference]: Start difference. First operand 22547 states and 62066 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:47,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:04:47,346 INFO L93 Difference]: Finished difference Result 47322 states and 128391 transitions. [2022-01-28 13:04:47,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-01-28 13:04:47,346 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:04:47,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:04:47,425 INFO L225 Difference]: With dead ends: 47322 [2022-01-28 13:04:47,425 INFO L226 Difference]: Without dead ends: 47322 [2022-01-28 13:04:47,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1731 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=943, Invalid=7067, Unknown=0, NotChecked=0, Total=8010 [2022-01-28 13:04:47,426 INFO L933 BasicCegarLoop]: 1161 mSDtfsCounter, 2524 mSDsluCounter, 25601 mSDsCounter, 0 mSdLazyCounter, 5398 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2524 SdHoareTripleChecker+Valid, 26277 SdHoareTripleChecker+Invalid, 5421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:04:47,426 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2524 Valid, 26277 Invalid, 5421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5398 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 13:04:47,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47322 states. [2022-01-28 13:04:47,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47322 to 22995. [2022-01-28 13:04:47,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22995 states, 22994 states have (on average 2.758371749151953) internal successors, (63426), 22994 states have internal predecessors, (63426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:48,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22995 states to 22995 states and 63426 transitions. [2022-01-28 13:04:48,023 INFO L78 Accepts]: Start accepts. Automaton has 22995 states and 63426 transitions. Word has length 199 [2022-01-28 13:04:48,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:04:48,023 INFO L470 AbstractCegarLoop]: Abstraction has 22995 states and 63426 transitions. [2022-01-28 13:04:48,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:48,023 INFO L276 IsEmpty]: Start isEmpty. Operand 22995 states and 63426 transitions. [2022-01-28 13:04:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:04:48,052 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:04:48,052 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:04:48,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2022-01-28 13:04:48,052 INFO L402 AbstractCegarLoop]: === Iteration 183 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:04:48,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:04:48,053 INFO L85 PathProgramCache]: Analyzing trace with hash 432618459, now seen corresponding path program 159 times [2022-01-28 13:04:48,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:04:48,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785716284] [2022-01-28 13:04:48,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:04:48,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:04:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:04:48,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:04:48,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:04:48,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785716284] [2022-01-28 13:04:48,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785716284] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:04:48,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:04:48,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:04:48,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881479174] [2022-01-28 13:04:48,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:04:48,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:04:48,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:04:48,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:04:48,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:04:48,366 INFO L87 Difference]: Start difference. First operand 22995 states and 63426 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:51,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:04:51,855 INFO L93 Difference]: Finished difference Result 44127 states and 120211 transitions. [2022-01-28 13:04:51,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-01-28 13:04:51,859 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:04:51,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:04:51,965 INFO L225 Difference]: With dead ends: 44127 [2022-01-28 13:04:51,966 INFO L226 Difference]: Without dead ends: 44127 [2022-01-28 13:04:51,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1668 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=848, Invalid=6808, Unknown=0, NotChecked=0, Total=7656 [2022-01-28 13:04:51,967 INFO L933 BasicCegarLoop]: 1127 mSDtfsCounter, 2322 mSDsluCounter, 24856 mSDsCounter, 0 mSdLazyCounter, 5077 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2322 SdHoareTripleChecker+Valid, 25633 SdHoareTripleChecker+Invalid, 5100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:04:51,967 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2322 Valid, 25633 Invalid, 5100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5077 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 13:04:52,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44127 states. [2022-01-28 13:04:52,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44127 to 22931. [2022-01-28 13:04:52,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22931 states, 22930 states have (on average 2.7569995638901004) internal successors, (63218), 22930 states have internal predecessors, (63218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:52,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22931 states to 22931 states and 63218 transitions. [2022-01-28 13:04:52,730 INFO L78 Accepts]: Start accepts. Automaton has 22931 states and 63218 transitions. Word has length 199 [2022-01-28 13:04:52,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:04:52,730 INFO L470 AbstractCegarLoop]: Abstraction has 22931 states and 63218 transitions. [2022-01-28 13:04:52,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:52,731 INFO L276 IsEmpty]: Start isEmpty. Operand 22931 states and 63218 transitions. [2022-01-28 13:04:52,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:04:52,761 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:04:52,761 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:04:52,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2022-01-28 13:04:52,762 INFO L402 AbstractCegarLoop]: === Iteration 184 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:04:52,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:04:52,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1939211467, now seen corresponding path program 160 times [2022-01-28 13:04:52,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:04:52,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647789956] [2022-01-28 13:04:52,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:04:52,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:04:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:04:53,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:04:53,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:04:53,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647789956] [2022-01-28 13:04:53,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647789956] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:04:53,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:04:53,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:04:53,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884326330] [2022-01-28 13:04:53,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:04:53,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:04:53,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:04:53,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:04:53,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:04:53,118 INFO L87 Difference]: Start difference. First operand 22931 states and 63218 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:56,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:04:56,350 INFO L93 Difference]: Finished difference Result 42269 states and 115426 transitions. [2022-01-28 13:04:56,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-28 13:04:56,351 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:04:56,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:04:56,431 INFO L225 Difference]: With dead ends: 42269 [2022-01-28 13:04:56,431 INFO L226 Difference]: Without dead ends: 42269 [2022-01-28 13:04:56,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1344 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=747, Invalid=5895, Unknown=0, NotChecked=0, Total=6642 [2022-01-28 13:04:56,432 INFO L933 BasicCegarLoop]: 1122 mSDtfsCounter, 2052 mSDsluCounter, 24278 mSDsCounter, 0 mSdLazyCounter, 5038 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2052 SdHoareTripleChecker+Valid, 25072 SdHoareTripleChecker+Invalid, 5057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:04:56,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2052 Valid, 25072 Invalid, 5057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5038 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:04:56,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42269 states. [2022-01-28 13:04:56,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42269 to 22883. [2022-01-28 13:04:56,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22883 states, 22882 states have (on average 2.7564898173236605) internal successors, (63074), 22882 states have internal predecessors, (63074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:56,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22883 states to 22883 states and 63074 transitions. [2022-01-28 13:04:56,978 INFO L78 Accepts]: Start accepts. Automaton has 22883 states and 63074 transitions. Word has length 199 [2022-01-28 13:04:56,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:04:56,978 INFO L470 AbstractCegarLoop]: Abstraction has 22883 states and 63074 transitions. [2022-01-28 13:04:56,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:56,978 INFO L276 IsEmpty]: Start isEmpty. Operand 22883 states and 63074 transitions. [2022-01-28 13:04:57,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:04:57,009 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:04:57,009 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:04:57,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2022-01-28 13:04:57,009 INFO L402 AbstractCegarLoop]: === Iteration 185 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:04:57,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:04:57,010 INFO L85 PathProgramCache]: Analyzing trace with hash -337924567, now seen corresponding path program 161 times [2022-01-28 13:04:57,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:04:57,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507466801] [2022-01-28 13:04:57,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:04:57,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:04:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:04:57,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:04:57,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:04:57,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507466801] [2022-01-28 13:04:57,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507466801] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:04:57,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:04:57,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:04:57,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817243320] [2022-01-28 13:04:57,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:04:57,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:04:57,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:04:57,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:04:57,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:04:57,338 INFO L87 Difference]: Start difference. First operand 22883 states and 63074 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:00,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:00,412 INFO L93 Difference]: Finished difference Result 43627 states and 118818 transitions. [2022-01-28 13:05:00,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-28 13:05:00,413 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:05:00,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:00,479 INFO L225 Difference]: With dead ends: 43627 [2022-01-28 13:05:00,479 INFO L226 Difference]: Without dead ends: 43627 [2022-01-28 13:05:00,480 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1343 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=745, Invalid=5897, Unknown=0, NotChecked=0, Total=6642 [2022-01-28 13:05:00,480 INFO L933 BasicCegarLoop]: 1135 mSDtfsCounter, 2108 mSDsluCounter, 24550 mSDsCounter, 0 mSdLazyCounter, 4971 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2108 SdHoareTripleChecker+Valid, 25354 SdHoareTripleChecker+Invalid, 4990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:00,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2108 Valid, 25354 Invalid, 4990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4971 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:05:00,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43627 states. [2022-01-28 13:05:00,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43627 to 22867. [2022-01-28 13:05:00,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22867 states, 22866 states have (on average 2.7563194262223387) internal successors, (63026), 22866 states have internal predecessors, (63026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:00,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22867 states to 22867 states and 63026 transitions. [2022-01-28 13:05:00,951 INFO L78 Accepts]: Start accepts. Automaton has 22867 states and 63026 transitions. Word has length 199 [2022-01-28 13:05:00,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:00,951 INFO L470 AbstractCegarLoop]: Abstraction has 22867 states and 63026 transitions. [2022-01-28 13:05:00,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:00,951 INFO L276 IsEmpty]: Start isEmpty. Operand 22867 states and 63026 transitions. [2022-01-28 13:05:00,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:05:00,981 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:00,981 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:05:00,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2022-01-28 13:05:00,981 INFO L402 AbstractCegarLoop]: === Iteration 186 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:00,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:00,981 INFO L85 PathProgramCache]: Analyzing trace with hash -939155885, now seen corresponding path program 162 times [2022-01-28 13:05:00,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:00,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499893694] [2022-01-28 13:05:00,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:00,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:01,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:05:01,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:01,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499893694] [2022-01-28 13:05:01,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499893694] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:01,298 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:01,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:05:01,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156549131] [2022-01-28 13:05:01,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:01,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:05:01,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:01,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:05:01,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:05:01,299 INFO L87 Difference]: Start difference. First operand 22867 states and 63026 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:04,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:04,378 INFO L93 Difference]: Finished difference Result 44870 states and 121990 transitions. [2022-01-28 13:05:04,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-01-28 13:05:04,378 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:05:04,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:04,449 INFO L225 Difference]: With dead ends: 44870 [2022-01-28 13:05:04,449 INFO L226 Difference]: Without dead ends: 44870 [2022-01-28 13:05:04,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1342 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=740, Invalid=5902, Unknown=0, NotChecked=0, Total=6642 [2022-01-28 13:05:04,450 INFO L933 BasicCegarLoop]: 1172 mSDtfsCounter, 2078 mSDsluCounter, 25226 mSDsCounter, 0 mSdLazyCounter, 4979 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2078 SdHoareTripleChecker+Valid, 26050 SdHoareTripleChecker+Invalid, 4998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:04,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2078 Valid, 26050 Invalid, 4998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4979 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:05:04,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44870 states. [2022-01-28 13:05:04,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44870 to 22659. [2022-01-28 13:05:04,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22659 states, 22658 states have (on average 2.7540824432871394) internal successors, (62402), 22658 states have internal predecessors, (62402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:04,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22659 states to 22659 states and 62402 transitions. [2022-01-28 13:05:04,903 INFO L78 Accepts]: Start accepts. Automaton has 22659 states and 62402 transitions. Word has length 199 [2022-01-28 13:05:04,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:04,903 INFO L470 AbstractCegarLoop]: Abstraction has 22659 states and 62402 transitions. [2022-01-28 13:05:04,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:04,903 INFO L276 IsEmpty]: Start isEmpty. Operand 22659 states and 62402 transitions. [2022-01-28 13:05:04,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:05:04,945 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:04,945 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:05:04,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2022-01-28 13:05:04,945 INFO L402 AbstractCegarLoop]: === Iteration 187 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:04,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:04,946 INFO L85 PathProgramCache]: Analyzing trace with hash 990857617, now seen corresponding path program 163 times [2022-01-28 13:05:04,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:04,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405036245] [2022-01-28 13:05:04,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:04,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:05,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:05:05,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:05,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405036245] [2022-01-28 13:05:05,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405036245] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:05,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:05,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:05:05,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422976823] [2022-01-28 13:05:05,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:05,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:05:05,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:05,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:05:05,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:05:05,262 INFO L87 Difference]: Start difference. First operand 22659 states and 62402 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:08,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:08,243 INFO L93 Difference]: Finished difference Result 45528 states and 123712 transitions. [2022-01-28 13:05:08,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-01-28 13:05:08,243 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:05:08,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:08,316 INFO L225 Difference]: With dead ends: 45528 [2022-01-28 13:05:08,316 INFO L226 Difference]: Without dead ends: 45528 [2022-01-28 13:05:08,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1294 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=717, Invalid=5763, Unknown=0, NotChecked=0, Total=6480 [2022-01-28 13:05:08,317 INFO L933 BasicCegarLoop]: 1176 mSDtfsCounter, 2068 mSDsluCounter, 25366 mSDsCounter, 0 mSdLazyCounter, 4981 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2068 SdHoareTripleChecker+Valid, 26194 SdHoareTripleChecker+Invalid, 5000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:08,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2068 Valid, 26194 Invalid, 5000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4981 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-01-28 13:05:08,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45528 states. [2022-01-28 13:05:08,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45528 to 22643. [2022-01-28 13:05:08,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22643 states, 22642 states have (on average 2.7539086653122515) internal successors, (62354), 22642 states have internal predecessors, (62354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:08,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22643 states to 22643 states and 62354 transitions. [2022-01-28 13:05:08,780 INFO L78 Accepts]: Start accepts. Automaton has 22643 states and 62354 transitions. Word has length 199 [2022-01-28 13:05:08,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:08,780 INFO L470 AbstractCegarLoop]: Abstraction has 22643 states and 62354 transitions. [2022-01-28 13:05:08,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:08,780 INFO L276 IsEmpty]: Start isEmpty. Operand 22643 states and 62354 transitions. [2022-01-28 13:05:08,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:05:08,828 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:08,828 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:05:08,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2022-01-28 13:05:08,828 INFO L402 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:08,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:08,828 INFO L85 PathProgramCache]: Analyzing trace with hash -658068377, now seen corresponding path program 164 times [2022-01-28 13:05:08,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:08,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010192454] [2022-01-28 13:05:08,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:08,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:09,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:05:09,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:09,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010192454] [2022-01-28 13:05:09,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010192454] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:09,132 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:09,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:05:09,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495585177] [2022-01-28 13:05:09,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:09,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:05:09,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:09,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:05:09,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:05:09,133 INFO L87 Difference]: Start difference. First operand 22643 states and 62354 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:12,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:12,042 INFO L93 Difference]: Finished difference Result 45716 states and 124204 transitions. [2022-01-28 13:05:12,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-28 13:05:12,042 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:05:12,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:12,119 INFO L225 Difference]: With dead ends: 45716 [2022-01-28 13:05:12,119 INFO L226 Difference]: Without dead ends: 45716 [2022-01-28 13:05:12,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1247 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=697, Invalid=5623, Unknown=0, NotChecked=0, Total=6320 [2022-01-28 13:05:12,120 INFO L933 BasicCegarLoop]: 1178 mSDtfsCounter, 2014 mSDsluCounter, 25494 mSDsCounter, 0 mSdLazyCounter, 4795 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2014 SdHoareTripleChecker+Valid, 26324 SdHoareTripleChecker+Invalid, 4814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:12,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2014 Valid, 26324 Invalid, 4814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4795 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-28 13:05:12,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45716 states. [2022-01-28 13:05:12,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45716 to 22595. [2022-01-28 13:05:12,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22595 states, 22594 states have (on average 2.7533858546516776) internal successors, (62210), 22594 states have internal predecessors, (62210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:12,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22595 states to 22595 states and 62210 transitions. [2022-01-28 13:05:12,595 INFO L78 Accepts]: Start accepts. Automaton has 22595 states and 62210 transitions. Word has length 199 [2022-01-28 13:05:12,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:12,595 INFO L470 AbstractCegarLoop]: Abstraction has 22595 states and 62210 transitions. [2022-01-28 13:05:12,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:12,595 INFO L276 IsEmpty]: Start isEmpty. Operand 22595 states and 62210 transitions. [2022-01-28 13:05:12,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:05:12,622 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:12,622 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:05:12,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2022-01-28 13:05:12,622 INFO L402 AbstractCegarLoop]: === Iteration 189 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:12,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:12,623 INFO L85 PathProgramCache]: Analyzing trace with hash -717258735, now seen corresponding path program 165 times [2022-01-28 13:05:12,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:12,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138446459] [2022-01-28 13:05:12,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:12,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:12,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:05:12,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:12,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138446459] [2022-01-28 13:05:12,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138446459] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:12,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:12,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:05:12,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151128564] [2022-01-28 13:05:12,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:12,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:05:12,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:12,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:05:12,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:05:12,926 INFO L87 Difference]: Start difference. First operand 22595 states and 62210 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:15,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:15,663 INFO L93 Difference]: Finished difference Result 40397 states and 109722 transitions. [2022-01-28 13:05:15,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-01-28 13:05:15,664 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:05:15,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:15,727 INFO L225 Difference]: With dead ends: 40397 [2022-01-28 13:05:15,727 INFO L226 Difference]: Without dead ends: 40397 [2022-01-28 13:05:15,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1151 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=673, Invalid=5333, Unknown=0, NotChecked=0, Total=6006 [2022-01-28 13:05:15,728 INFO L933 BasicCegarLoop]: 1145 mSDtfsCounter, 1941 mSDsluCounter, 24837 mSDsCounter, 0 mSdLazyCounter, 4465 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1941 SdHoareTripleChecker+Valid, 25615 SdHoareTripleChecker+Invalid, 4484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 4465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:15,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1941 Valid, 25615 Invalid, 4484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 4465 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-01-28 13:05:15,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40397 states. [2022-01-28 13:05:16,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40397 to 22511. [2022-01-28 13:05:16,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22511 states, 22510 states have (on average 2.7528653931585962) internal successors, (61967), 22510 states have internal predecessors, (61967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:16,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22511 states to 22511 states and 61967 transitions. [2022-01-28 13:05:16,164 INFO L78 Accepts]: Start accepts. Automaton has 22511 states and 61967 transitions. Word has length 199 [2022-01-28 13:05:16,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:16,164 INFO L470 AbstractCegarLoop]: Abstraction has 22511 states and 61967 transitions. [2022-01-28 13:05:16,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:16,165 INFO L276 IsEmpty]: Start isEmpty. Operand 22511 states and 61967 transitions. [2022-01-28 13:05:16,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:05:16,194 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:16,194 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:05:16,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2022-01-28 13:05:16,195 INFO L402 AbstractCegarLoop]: === Iteration 190 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:16,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:16,195 INFO L85 PathProgramCache]: Analyzing trace with hash -97982595, now seen corresponding path program 166 times [2022-01-28 13:05:16,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:16,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486529568] [2022-01-28 13:05:16,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:16,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:16,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:05:16,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:16,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486529568] [2022-01-28 13:05:16,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486529568] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:16,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:16,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:05:16,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673398881] [2022-01-28 13:05:16,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:16,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:05:16,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:16,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:05:16,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:05:16,507 INFO L87 Difference]: Start difference. First operand 22511 states and 61967 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:19,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:19,972 INFO L93 Difference]: Finished difference Result 46356 states and 126421 transitions. [2022-01-28 13:05:19,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-28 13:05:19,972 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:05:19,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:20,051 INFO L225 Difference]: With dead ends: 46356 [2022-01-28 13:05:20,051 INFO L226 Difference]: Without dead ends: 46356 [2022-01-28 13:05:20,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1316 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=878, Invalid=5928, Unknown=0, NotChecked=0, Total=6806 [2022-01-28 13:05:20,052 INFO L933 BasicCegarLoop]: 1149 mSDtfsCounter, 2539 mSDsluCounter, 24723 mSDsCounter, 0 mSdLazyCounter, 5602 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2539 SdHoareTripleChecker+Valid, 25401 SdHoareTripleChecker+Invalid, 5625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:20,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2539 Valid, 25401 Invalid, 5625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5602 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 13:05:20,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46356 states. [2022-01-28 13:05:20,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46356 to 24095. [2022-01-28 13:05:20,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24095 states, 24094 states have (on average 2.7568274259151657) internal successors, (66423), 24094 states have internal predecessors, (66423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:20,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24095 states to 24095 states and 66423 transitions. [2022-01-28 13:05:20,577 INFO L78 Accepts]: Start accepts. Automaton has 24095 states and 66423 transitions. Word has length 199 [2022-01-28 13:05:20,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:20,578 INFO L470 AbstractCegarLoop]: Abstraction has 24095 states and 66423 transitions. [2022-01-28 13:05:20,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:20,578 INFO L276 IsEmpty]: Start isEmpty. Operand 24095 states and 66423 transitions. [2022-01-28 13:05:20,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:05:20,608 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:20,608 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:05:20,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2022-01-28 13:05:20,609 INFO L402 AbstractCegarLoop]: === Iteration 191 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:20,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:20,609 INFO L85 PathProgramCache]: Analyzing trace with hash -2119780637, now seen corresponding path program 167 times [2022-01-28 13:05:20,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:20,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574503473] [2022-01-28 13:05:20,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:20,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:20,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:05:20,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:20,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574503473] [2022-01-28 13:05:20,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574503473] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:20,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:20,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:05:20,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357795404] [2022-01-28 13:05:20,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:20,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:05:20,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:20,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:05:20,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:05:20,919 INFO L87 Difference]: Start difference. First operand 24095 states and 66423 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:24,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:24,339 INFO L93 Difference]: Finished difference Result 44905 states and 122831 transitions. [2022-01-28 13:05:24,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-01-28 13:05:24,339 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:05:24,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:24,405 INFO L225 Difference]: With dead ends: 44905 [2022-01-28 13:05:24,405 INFO L226 Difference]: Without dead ends: 44905 [2022-01-28 13:05:24,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1350 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=846, Invalid=5960, Unknown=0, NotChecked=0, Total=6806 [2022-01-28 13:05:24,406 INFO L933 BasicCegarLoop]: 1126 mSDtfsCounter, 2510 mSDsluCounter, 23954 mSDsCounter, 0 mSdLazyCounter, 5338 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2510 SdHoareTripleChecker+Valid, 24771 SdHoareTripleChecker+Invalid, 5361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:24,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2510 Valid, 24771 Invalid, 5361 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [23 Valid, 5338 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:05:24,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44905 states. [2022-01-28 13:05:24,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44905 to 24031. [2022-01-28 13:05:24,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24031 states, 24030 states have (on average 2.7555139409071994) internal successors, (66215), 24030 states have internal predecessors, (66215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:24,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24031 states to 24031 states and 66215 transitions. [2022-01-28 13:05:24,883 INFO L78 Accepts]: Start accepts. Automaton has 24031 states and 66215 transitions. Word has length 199 [2022-01-28 13:05:24,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:24,883 INFO L470 AbstractCegarLoop]: Abstraction has 24031 states and 66215 transitions. [2022-01-28 13:05:24,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:24,883 INFO L276 IsEmpty]: Start isEmpty. Operand 24031 states and 66215 transitions. [2022-01-28 13:05:24,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:05:24,911 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:24,911 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:05:24,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2022-01-28 13:05:24,912 INFO L402 AbstractCegarLoop]: === Iteration 192 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:24,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:24,912 INFO L85 PathProgramCache]: Analyzing trace with hash -196643267, now seen corresponding path program 168 times [2022-01-28 13:05:24,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:24,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186325169] [2022-01-28 13:05:24,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:24,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:25,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:05:25,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:25,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186325169] [2022-01-28 13:05:25,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186325169] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:25,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:25,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:05:25,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532074930] [2022-01-28 13:05:25,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:25,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:05:25,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:25,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:05:25,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:05:25,226 INFO L87 Difference]: Start difference. First operand 24031 states and 66215 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:28,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:28,336 INFO L93 Difference]: Finished difference Result 43047 states and 118046 transitions. [2022-01-28 13:05:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 13:05:28,336 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:05:28,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:28,406 INFO L225 Difference]: With dead ends: 43047 [2022-01-28 13:05:28,406 INFO L226 Difference]: Without dead ends: 43047 [2022-01-28 13:05:28,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1067 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=730, Invalid=5122, Unknown=0, NotChecked=0, Total=5852 [2022-01-28 13:05:28,407 INFO L933 BasicCegarLoop]: 1121 mSDtfsCounter, 2240 mSDsluCounter, 23465 mSDsCounter, 0 mSdLazyCounter, 5294 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2240 SdHoareTripleChecker+Valid, 24294 SdHoareTripleChecker+Invalid, 5313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:28,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2240 Valid, 24294 Invalid, 5313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5294 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:05:28,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43047 states. [2022-01-28 13:05:28,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43047 to 23983. [2022-01-28 13:05:28,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23983 states, 23982 states have (on average 2.755024601784672) internal successors, (66071), 23982 states have internal predecessors, (66071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:28,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23983 states to 23983 states and 66071 transitions. [2022-01-28 13:05:28,898 INFO L78 Accepts]: Start accepts. Automaton has 23983 states and 66071 transitions. Word has length 199 [2022-01-28 13:05:28,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:28,898 INFO L470 AbstractCegarLoop]: Abstraction has 23983 states and 66071 transitions. [2022-01-28 13:05:28,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:28,898 INFO L276 IsEmpty]: Start isEmpty. Operand 23983 states and 66071 transitions. [2022-01-28 13:05:28,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:05:28,927 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:28,927 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:05:28,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2022-01-28 13:05:28,928 INFO L402 AbstractCegarLoop]: === Iteration 193 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:28,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:28,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1404643633, now seen corresponding path program 169 times [2022-01-28 13:05:28,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:28,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070146545] [2022-01-28 13:05:28,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:28,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:29,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:05:29,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:29,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070146545] [2022-01-28 13:05:29,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070146545] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:29,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:29,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:05:29,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959248897] [2022-01-28 13:05:29,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:29,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:05:29,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:29,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:05:29,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:05:29,237 INFO L87 Difference]: Start difference. First operand 23983 states and 66071 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:32,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:32,336 INFO L93 Difference]: Finished difference Result 44405 states and 121438 transitions. [2022-01-28 13:05:32,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 13:05:32,336 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:05:32,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:32,410 INFO L225 Difference]: With dead ends: 44405 [2022-01-28 13:05:32,410 INFO L226 Difference]: Without dead ends: 44405 [2022-01-28 13:05:32,411 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1065 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=732, Invalid=5120, Unknown=0, NotChecked=0, Total=5852 [2022-01-28 13:05:32,411 INFO L933 BasicCegarLoop]: 1134 mSDtfsCounter, 2296 mSDsluCounter, 23719 mSDsCounter, 0 mSdLazyCounter, 5218 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2296 SdHoareTripleChecker+Valid, 24559 SdHoareTripleChecker+Invalid, 5237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:32,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2296 Valid, 24559 Invalid, 5237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5218 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:05:32,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44405 states. [2022-01-28 13:05:32,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44405 to 23967. [2022-01-28 13:05:32,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23967 states, 23966 states have (on average 2.7548610531586415) internal successors, (66023), 23966 states have internal predecessors, (66023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:32,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23967 states to 23967 states and 66023 transitions. [2022-01-28 13:05:32,907 INFO L78 Accepts]: Start accepts. Automaton has 23967 states and 66023 transitions. Word has length 199 [2022-01-28 13:05:32,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:32,907 INFO L470 AbstractCegarLoop]: Abstraction has 23967 states and 66023 transitions. [2022-01-28 13:05:32,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:32,907 INFO L276 IsEmpty]: Start isEmpty. Operand 23967 states and 66023 transitions. [2022-01-28 13:05:32,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:05:32,936 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:32,936 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:05:32,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2022-01-28 13:05:32,936 INFO L402 AbstractCegarLoop]: === Iteration 194 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:32,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:32,936 INFO L85 PathProgramCache]: Analyzing trace with hash 803412315, now seen corresponding path program 170 times [2022-01-28 13:05:32,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:32,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241397418] [2022-01-28 13:05:32,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:32,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:33,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:05:33,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:33,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241397418] [2022-01-28 13:05:33,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241397418] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:33,251 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:33,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:05:33,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788800828] [2022-01-28 13:05:33,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:33,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:05:33,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:33,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:05:33,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:05:33,252 INFO L87 Difference]: Start difference. First operand 23967 states and 66023 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:36,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:36,346 INFO L93 Difference]: Finished difference Result 43398 states and 118580 transitions. [2022-01-28 13:05:36,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-01-28 13:05:36,346 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:05:36,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:36,418 INFO L225 Difference]: With dead ends: 43398 [2022-01-28 13:05:36,418 INFO L226 Difference]: Without dead ends: 43398 [2022-01-28 13:05:36,419 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 983 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=688, Invalid=4862, Unknown=0, NotChecked=0, Total=5550 [2022-01-28 13:05:36,419 INFO L933 BasicCegarLoop]: 1181 mSDtfsCounter, 2116 mSDsluCounter, 24512 mSDsCounter, 0 mSdLazyCounter, 5240 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2116 SdHoareTripleChecker+Valid, 25383 SdHoareTripleChecker+Invalid, 5259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:36,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2116 Valid, 25383 Invalid, 5259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5240 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:05:36,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43398 states. [2022-01-28 13:05:36,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43398 to 23759. [2022-01-28 13:05:36,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23759 states, 23758 states have (on average 2.7527148749894774) internal successors, (65399), 23758 states have internal predecessors, (65399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:36,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23759 states to 23759 states and 65399 transitions. [2022-01-28 13:05:36,904 INFO L78 Accepts]: Start accepts. Automaton has 23759 states and 65399 transitions. Word has length 199 [2022-01-28 13:05:36,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:36,904 INFO L470 AbstractCegarLoop]: Abstraction has 23759 states and 65399 transitions. [2022-01-28 13:05:36,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:36,904 INFO L276 IsEmpty]: Start isEmpty. Operand 23759 states and 65399 transitions. [2022-01-28 13:05:36,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:05:36,933 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:36,933 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:05:36,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2022-01-28 13:05:36,933 INFO L402 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:36,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:36,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1497012223, now seen corresponding path program 171 times [2022-01-28 13:05:36,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:36,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734784656] [2022-01-28 13:05:36,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:36,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:37,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:05:37,241 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:37,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734784656] [2022-01-28 13:05:37,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734784656] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:37,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:37,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:05:37,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795937655] [2022-01-28 13:05:37,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:37,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:05:37,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:37,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:05:37,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:05:37,242 INFO L87 Difference]: Start difference. First operand 23759 states and 65399 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:40,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:40,426 INFO L93 Difference]: Finished difference Result 46938 states and 128128 transitions. [2022-01-28 13:05:40,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-01-28 13:05:40,427 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:05:40,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:40,501 INFO L225 Difference]: With dead ends: 46938 [2022-01-28 13:05:40,501 INFO L226 Difference]: Without dead ends: 46938 [2022-01-28 13:05:40,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1022 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=708, Invalid=4992, Unknown=0, NotChecked=0, Total=5700 [2022-01-28 13:05:40,502 INFO L933 BasicCegarLoop]: 1083 mSDtfsCounter, 2356 mSDsluCounter, 23360 mSDsCounter, 0 mSdLazyCounter, 5503 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2356 SdHoareTripleChecker+Valid, 24044 SdHoareTripleChecker+Invalid, 5526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:40,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2356 Valid, 24044 Invalid, 5526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5503 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-01-28 13:05:40,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46938 states. [2022-01-28 13:05:40,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46938 to 23919. [2022-01-28 13:05:40,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23919 states, 23918 states have (on average 2.75453633246927) internal successors, (65883), 23918 states have internal predecessors, (65883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:41,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23919 states to 23919 states and 65883 transitions. [2022-01-28 13:05:41,031 INFO L78 Accepts]: Start accepts. Automaton has 23919 states and 65883 transitions. Word has length 199 [2022-01-28 13:05:41,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:41,031 INFO L470 AbstractCegarLoop]: Abstraction has 23919 states and 65883 transitions. [2022-01-28 13:05:41,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:41,031 INFO L276 IsEmpty]: Start isEmpty. Operand 23919 states and 65883 transitions. [2022-01-28 13:05:41,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:05:41,059 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:41,059 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:05:41,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2022-01-28 13:05:41,060 INFO L402 AbstractCegarLoop]: === Iteration 196 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:41,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:41,060 INFO L85 PathProgramCache]: Analyzing trace with hash -524785819, now seen corresponding path program 172 times [2022-01-28 13:05:41,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:41,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499996188] [2022-01-28 13:05:41,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:41,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:41,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:05:41,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:41,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499996188] [2022-01-28 13:05:41,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499996188] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:41,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:41,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:05:41,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340146333] [2022-01-28 13:05:41,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:41,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:05:41,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:41,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:05:41,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:05:41,372 INFO L87 Difference]: Start difference. First operand 23919 states and 65883 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:44,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:44,492 INFO L93 Difference]: Finished difference Result 45777 states and 125289 transitions. [2022-01-28 13:05:44,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-01-28 13:05:44,492 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:05:44,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:44,568 INFO L225 Difference]: With dead ends: 45777 [2022-01-28 13:05:44,568 INFO L226 Difference]: Without dead ends: 45777 [2022-01-28 13:05:44,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=713, Invalid=5139, Unknown=0, NotChecked=0, Total=5852 [2022-01-28 13:05:44,569 INFO L933 BasicCegarLoop]: 1046 mSDtfsCounter, 2278 mSDsluCounter, 22342 mSDsCounter, 0 mSdLazyCounter, 5261 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2278 SdHoareTripleChecker+Valid, 23154 SdHoareTripleChecker+Invalid, 5284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 5261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:44,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2278 Valid, 23154 Invalid, 5284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 5261 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:05:44,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45777 states. [2022-01-28 13:05:45,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45777 to 23855. [2022-01-28 13:05:45,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23855 states, 23854 states have (on average 2.753207009306615) internal successors, (65675), 23854 states have internal predecessors, (65675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:45,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23855 states to 23855 states and 65675 transitions. [2022-01-28 13:05:45,160 INFO L78 Accepts]: Start accepts. Automaton has 23855 states and 65675 transitions. Word has length 199 [2022-01-28 13:05:45,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:45,160 INFO L470 AbstractCegarLoop]: Abstraction has 23855 states and 65675 transitions. [2022-01-28 13:05:45,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:45,160 INFO L276 IsEmpty]: Start isEmpty. Operand 23855 states and 65675 transitions. [2022-01-28 13:05:45,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:05:45,188 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:45,188 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:05:45,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2022-01-28 13:05:45,188 INFO L402 AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:45,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:45,189 INFO L85 PathProgramCache]: Analyzing trace with hash -901983043, now seen corresponding path program 173 times [2022-01-28 13:05:45,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:45,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231110860] [2022-01-28 13:05:45,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:45,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:45,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 13:05:45,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:45,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231110860] [2022-01-28 13:05:45,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231110860] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:45,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:45,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-01-28 13:05:45,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010788688] [2022-01-28 13:05:45,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:45,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 13:05:45,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:45,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 13:05:45,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2022-01-28 13:05:45,494 INFO L87 Difference]: Start difference. First operand 23855 states and 65675 transitions. Second operand has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:48,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:48,546 INFO L93 Difference]: Finished difference Result 43104 states and 117858 transitions. [2022-01-28 13:05:48,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-01-28 13:05:48,546 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2022-01-28 13:05:48,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:48,616 INFO L225 Difference]: With dead ends: 43104 [2022-01-28 13:05:48,616 INFO L226 Difference]: Without dead ends: 43104 [2022-01-28 13:05:48,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 821 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=627, Invalid=4343, Unknown=0, NotChecked=0, Total=4970 [2022-01-28 13:05:48,616 INFO L933 BasicCegarLoop]: 1079 mSDtfsCounter, 1926 mSDsluCounter, 22998 mSDsCounter, 0 mSdLazyCounter, 5245 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1926 SdHoareTripleChecker+Valid, 23684 SdHoareTripleChecker+Invalid, 5264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 5245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:48,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1926 Valid, 23684 Invalid, 5264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 5245 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:05:48,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43104 states. [2022-01-28 13:05:48,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43104 to 23807. [2022-01-28 13:05:49,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23807 states, 23806 states have (on average 2.7527094009913466) internal successors, (65531), 23806 states have internal predecessors, (65531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:49,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23807 states to 23807 states and 65531 transitions. [2022-01-28 13:05:49,058 INFO L78 Accepts]: Start accepts. Automaton has 23807 states and 65531 transitions. Word has length 199 [2022-01-28 13:05:49,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:49,058 INFO L470 AbstractCegarLoop]: Abstraction has 23807 states and 65531 transitions. [2022-01-28 13:05:49,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 7.37037037037037) internal successors, (199), 27 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:49,058 INFO L276 IsEmpty]: Start isEmpty. Operand 23807 states and 65531 transitions. [2022-01-28 13:05:49,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-01-28 13:05:49,086 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:49,086 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-28 13:05:49,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2022-01-28 13:05:49,086 INFO L402 AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:49,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:49,087 INFO L85 PathProgramCache]: Analyzing trace with hash -539276355, now seen corresponding path program 174 times [2022-01-28 13:05:49,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:49,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352263137] [2022-01-28 13:05:49,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:49,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-01-28 13:05:49,135 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-28 13:05:49,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2022-01-28 13:05:49,135 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 200 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 7 known predicates. [2022-01-28 13:05:49,137 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-28 13:05:49,137 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-28 13:05:49,139 INFO L732 BasicCegarLoop]: Path program histogram: [174, 10, 10, 2, 1, 1] [2022-01-28 13:05:49,143 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-28 13:05:49,143 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-28 13:05:49,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 01:05:49 BasicIcfg [2022-01-28 13:05:49,145 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-28 13:05:49,145 INFO L158 Benchmark]: Toolchain (without parser) took 717436.04ms. Allocated memory was 187.7MB in the beginning and 7.3GB in the end (delta: 7.1GB). Free memory was 132.0MB in the beginning and 5.7GB in the end (delta: -5.5GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2022-01-28 13:05:49,145 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 187.7MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-28 13:05:49,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.29ms. Allocated memory was 187.7MB in the beginning and 262.1MB in the end (delta: 74.4MB). Free memory was 131.8MB in the beginning and 232.7MB in the end (delta: -100.9MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. [2022-01-28 13:05:49,145 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.73ms. Allocated memory is still 262.1MB. Free memory was 232.7MB in the beginning and 230.2MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-28 13:05:49,145 INFO L158 Benchmark]: Boogie Preprocessor took 32.93ms. Allocated memory is still 262.1MB. Free memory was 230.2MB in the beginning and 229.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-28 13:05:49,145 INFO L158 Benchmark]: RCFGBuilder took 473.27ms. Allocated memory is still 262.1MB. Free memory was 228.7MB in the beginning and 211.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-01-28 13:05:49,145 INFO L158 Benchmark]: TraceAbstraction took 716612.89ms. Allocated memory was 262.1MB in the beginning and 7.3GB in the end (delta: 7.1GB). Free memory was 211.3MB in the beginning and 5.7GB in the end (delta: -5.5GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2022-01-28 13:05:49,146 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 187.7MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 265.29ms. Allocated memory was 187.7MB in the beginning and 262.1MB in the end (delta: 74.4MB). Free memory was 131.8MB in the beginning and 232.7MB in the end (delta: -100.9MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.73ms. Allocated memory is still 262.1MB. Free memory was 232.7MB in the beginning and 230.2MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.93ms. Allocated memory is still 262.1MB. Free memory was 230.2MB in the beginning and 229.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 473.27ms. Allocated memory is still 262.1MB. Free memory was 228.7MB in the beginning and 211.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 716612.89ms. Allocated memory was 262.1MB in the beginning and 7.3GB in the end (delta: 7.1GB). Free memory was 211.3MB in the beginning and 5.7GB in the end (delta: -5.5GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 200 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 7 known predicates. - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 200 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 7 known predicates. - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 200 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 7 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 380 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 716.4s, OverallIterations: 198, TraceHistogramMax: 1, PathProgramHistogramMax: 174, EmptinessCheckTime: 7.2s, AutomataDifference: 544.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.7s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 339208 SdHoareTripleChecker+Valid, 301.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 339208 mSDsluCounter, 4042689 SdHoareTripleChecker+Invalid, 249.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3908222 mSDsCounter, 3571 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 845323 IncrementalHoareTripleChecker+Invalid, 848894 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3571 mSolverCounterUnsat, 188029 mSDtfsCounter, 845323 mSolverCounterSat, 5.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13815 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 13248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189567 ImplicationChecksByTransitivity, 218.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26367occurred in iteration=2, InterpolantAutomatonStates: 9982, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 102.2s AutomataMinimizationTime, 197 MinimizatonAttempts, 2911260 StatesRemovedByMinimization, 196 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 58.8s InterpolantComputationTime, 39059 NumberOfCodeBlocks, 39059 NumberOfCodeBlocksAsserted, 197 NumberOfCheckSat, 38862 ConstructedInterpolants, 0 QuantifiedInterpolants, 195529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 197 InterpolantComputations, 197 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown [2022-01-28 13:05:49,159 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end