/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/parallel-misc-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-28 13:04:37,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-28 13:04:37,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-28 13:04:37,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-28 13:04:37,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-28 13:04:37,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-28 13:04:37,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-28 13:04:37,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-28 13:04:37,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-28 13:04:37,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-28 13:04:37,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-28 13:04:37,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-28 13:04:37,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-28 13:04:37,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-28 13:04:37,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-28 13:04:37,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-28 13:04:37,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-28 13:04:37,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-28 13:04:37,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-28 13:04:37,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-28 13:04:37,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-28 13:04:37,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-28 13:04:37,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-28 13:04:37,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-28 13:04:37,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-28 13:04:37,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-28 13:04:37,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-28 13:04:37,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-28 13:04:37,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-28 13:04:37,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-28 13:04:37,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-28 13:04:37,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-28 13:04:37,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-28 13:04:37,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-28 13:04:37,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-28 13:04:37,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-28 13:04:37,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-28 13:04:37,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-28 13:04:37,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 13:04:37,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 13:04:37,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 13:04:37,742 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 13:04:37,774 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 13:04:37,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 13:04:37,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 13:04:37,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 13:04:37,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 13:04:37,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 13:04:37,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 13:04:37,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 13:04:37,777 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 13:04:37,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 13:04:37,778 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 13:04:37,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 13:04:37,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 13:04:37,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 13:04:37,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 13:04:37,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 13:04:37,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 13:04:37,778 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 13:04:37,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 13:04:37,779 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 13:04:37,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 13:04:37,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 13:04:37,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 13:04:37,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 13:04:37,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 13:04:37,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 13:04:37,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 13:04:37,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 13:04:37,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 13:04:37,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 13:04:37,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 13:04:37,780 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 13:04:37,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 13:04:37,781 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-28 13:04:38,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 13:04:38,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 13:04:38,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 13:04:38,069 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-28 13:04:38,070 INFO L275 PluginConnector]: CDTParser initialized [2022-01-28 13:04:38,071 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2022-01-28 13:04:38,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b83c91b90/b41ce8ddc6b54fe69e933e11cb75ca18/FLAG3bce2c115 [2022-01-28 13:04:38,603 INFO L306 CDTParser]: Found 1 translation units. [2022-01-28 13:04:38,604 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2022-01-28 13:04:38,609 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b83c91b90/b41ce8ddc6b54fe69e933e11cb75ca18/FLAG3bce2c115 [2022-01-28 13:04:38,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b83c91b90/b41ce8ddc6b54fe69e933e11cb75ca18 [2022-01-28 13:04:38,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 13:04:38,937 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-28 13:04:38,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-28 13:04:38,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-28 13:04:38,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-28 13:04:38,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 01:04:38" (1/1) ... [2022-01-28 13:04:38,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d1b65d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:04:38, skipping insertion in model container [2022-01-28 13:04:38,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 01:04:38" (1/1) ... [2022-01-28 13:04:38,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-28 13:04:38,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-28 13:04:39,227 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/parallel-misc-1.wvr.c[2755,2768] [2022-01-28 13:04:39,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 13:04:39,240 INFO L203 MainTranslator]: Completed pre-run [2022-01-28 13:04:39,278 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/parallel-misc-1.wvr.c[2755,2768] [2022-01-28 13:04:39,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 13:04:39,296 INFO L208 MainTranslator]: Completed translation [2022-01-28 13:04:39,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:04:39 WrapperNode [2022-01-28 13:04:39,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-28 13:04:39,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 13:04:39,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 13:04:39,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 13:04:39,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:04:39" (1/1) ... [2022-01-28 13:04:39,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:04:39" (1/1) ... [2022-01-28 13:04:39,341 INFO L137 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 17, calls inlined = 31, statements flattened = 277 [2022-01-28 13:04:39,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 13:04:39,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 13:04:39,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 13:04:39,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 13:04:39,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:04:39" (1/1) ... [2022-01-28 13:04:39,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:04:39" (1/1) ... [2022-01-28 13:04:39,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:04:39" (1/1) ... [2022-01-28 13:04:39,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:04:39" (1/1) ... [2022-01-28 13:04:39,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:04:39" (1/1) ... [2022-01-28 13:04:39,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:04:39" (1/1) ... [2022-01-28 13:04:39,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:04:39" (1/1) ... [2022-01-28 13:04:39,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 13:04:39,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 13:04:39,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 13:04:39,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 13:04:39,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:04:39" (1/1) ... [2022-01-28 13:04:39,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 13:04:39,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 13:04:39,431 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 13:04:39,440 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 13:04:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-28 13:04:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-28 13:04:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-28 13:04:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-28 13:04:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-28 13:04:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-28 13:04:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-28 13:04:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-28 13:04:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-28 13:04:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 13:04:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 13:04:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-28 13:04:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-28 13:04:39,466 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 13:04:39,543 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 13:04:39,545 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 13:04:39,923 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 13:04:39,934 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 13:04:39,935 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-01-28 13:04:39,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 01:04:39 BoogieIcfgContainer [2022-01-28 13:04:39,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 13:04:39,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 13:04:39,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 13:04:39,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 13:04:39,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 01:04:38" (1/3) ... [2022-01-28 13:04:39,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483e9e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 01:04:39, skipping insertion in model container [2022-01-28 13:04:39,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 01:04:39" (2/3) ... [2022-01-28 13:04:39,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483e9e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 01:04:39, skipping insertion in model container [2022-01-28 13:04:39,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 01:04:39" (3/3) ... [2022-01-28 13:04:39,944 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2022-01-28 13:04:39,948 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 13:04:39,948 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 13:04:39,949 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-28 13:04:39,949 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 13:04:39,989 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,990 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,990 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,990 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,990 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,990 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,991 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,991 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,991 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,991 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,991 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,991 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,993 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,993 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,993 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,993 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,993 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,993 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,993 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,994 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,994 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,994 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,994 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,994 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,994 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,995 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,995 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,995 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,995 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,995 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,995 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,995 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,995 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,996 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,996 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,996 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,996 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,996 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,996 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,996 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,997 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,997 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,997 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,997 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,997 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,997 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,997 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,998 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,998 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,998 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,998 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,998 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,998 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,998 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,999 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,999 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,999 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,999 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:39,999 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,000 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,000 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,000 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,000 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,000 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,000 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,004 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,004 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,004 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,004 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,004 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,004 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,005 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,005 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,005 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,005 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,005 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,005 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,006 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,007 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,007 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,007 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,007 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,007 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,007 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,008 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,008 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,008 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,008 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,008 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,008 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,008 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,009 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,009 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,009 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,009 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,009 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,009 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,009 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,010 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,010 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,010 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,010 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,010 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,010 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,010 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,011 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,011 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,011 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,011 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,011 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,011 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,011 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,012 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,012 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,012 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,012 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,012 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,012 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,013 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,013 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,013 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,013 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,013 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,013 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,013 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,014 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,014 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,014 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,014 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,014 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,014 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,014 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,015 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,015 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,015 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,015 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,015 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,015 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,015 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,015 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,016 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,016 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,016 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,016 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,016 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,016 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,016 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,017 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,017 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,017 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,017 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,017 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,017 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,017 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,017 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,018 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,018 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,018 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,018 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,018 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,018 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,018 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,019 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,019 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,019 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,019 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,019 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,019 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,019 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,019 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,020 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,020 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,020 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,020 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,020 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,020 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,020 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,021 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,021 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,021 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,021 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,021 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,021 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,021 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,022 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,022 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,022 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,022 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,022 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,022 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,023 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,023 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,023 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,023 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,023 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,023 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,023 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,024 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,024 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,024 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,024 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,024 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,024 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,024 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,025 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,025 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,025 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,025 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,025 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,025 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,025 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,026 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,026 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,026 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,026 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,026 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,026 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,026 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,027 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,027 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,027 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,027 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,027 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,027 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,028 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,028 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,028 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,028 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,028 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,028 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,028 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,028 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,029 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,029 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,029 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,029 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,029 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,029 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,029 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,029 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,030 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,030 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,031 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,031 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,031 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,031 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,031 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,032 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,032 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,032 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,032 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,032 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,032 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,032 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,033 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,033 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,033 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,033 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,033 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,033 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,033 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,039 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,040 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,040 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,040 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,041 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,044 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,044 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,044 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,044 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,044 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,044 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,045 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,046 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,047 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,047 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,047 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,047 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,047 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,047 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,047 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,047 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,048 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,048 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,048 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,048 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,048 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,048 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,048 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,048 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,049 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,049 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,049 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,049 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,049 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,049 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,049 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,049 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,050 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,050 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,050 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,050 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,055 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,056 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,056 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,056 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,056 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,056 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,056 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,065 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,065 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,066 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,066 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,066 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,066 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,066 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,066 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,066 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,066 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,067 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,068 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,069 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,070 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,071 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,071 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,072 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,073 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,073 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,073 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,073 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,073 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,073 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,073 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,074 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,075 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,076 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,077 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,077 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,077 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,077 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,077 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,077 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,077 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,077 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,078 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,078 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,078 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,078 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,078 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,078 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,078 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,078 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,079 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,080 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,081 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,083 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,084 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,084 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,084 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,084 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,084 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,085 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,085 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,085 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,085 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,085 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,085 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,085 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,085 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,085 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,085 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,086 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,087 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,088 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,089 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,090 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,090 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,090 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,090 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,090 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,090 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,090 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,090 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,090 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,091 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,091 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,091 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,091 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,091 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,091 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,091 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,091 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,091 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,091 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,092 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,092 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,092 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,092 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,092 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,092 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,092 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,092 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,101 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,101 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 13:04:40,113 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-28 13:04:40,157 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-28 13:04:40,162 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 13:04:40,162 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-28 13:04:40,176 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 375 places, 396 transitions, 808 flow [2022-01-28 13:04:42,307 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 58787 states, 58786 states have (on average 2.8980199367196273) internal successors, (170363), 58786 states have internal predecessors, (170363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:42,406 INFO L276 IsEmpty]: Start isEmpty. Operand has 58787 states, 58786 states have (on average 2.8980199367196273) internal successors, (170363), 58786 states have internal predecessors, (170363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:42,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:04:42,771 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:04:42,772 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] [2022-01-28 13:04:42,772 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:04:42,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:04:42,777 INFO L85 PathProgramCache]: Analyzing trace with hash 467375561, now seen corresponding path program 1 times [2022-01-28 13:04:42,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:04:42,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557152046] [2022-01-28 13:04:42,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:04:42,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:04:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:04:43,048 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 13:04:43,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:04:43,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557152046] [2022-01-28 13:04:43,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557152046] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:04:43,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:04:43,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 13:04:43,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303000275] [2022-01-28 13:04:43,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:04:43,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-28 13:04:43,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:04:43,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-28 13:04:43,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-28 13:04:43,174 INFO L87 Difference]: Start difference. First operand has 58787 states, 58786 states have (on average 2.8980199367196273) internal successors, (170363), 58786 states have internal predecessors, (170363), 0 states have call successors, (0), 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 2 states, 2 states have (on average 81.5) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:43,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:04:43,813 INFO L93 Difference]: Finished difference Result 58787 states and 161637 transitions. [2022-01-28 13:04:43,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 13:04:43,815 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 81.5) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:04:43,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:04:44,287 INFO L225 Difference]: With dead ends: 58787 [2022-01-28 13:04:44,288 INFO L226 Difference]: Without dead ends: 51287 [2022-01-28 13:04:44,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-28 13:04:44,296 INFO L933 BasicCegarLoop]: 358 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:04:44,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 358 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-28 13:04:44,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51287 states. [2022-01-28 13:04:45,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51287 to 51287. [2022-01-28 13:04:45,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51287 states, 51286 states have (on average 2.7494637912880706) internal successors, (141009), 51286 states have internal predecessors, (141009), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:46,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51287 states to 51287 states and 141009 transitions. [2022-01-28 13:04:46,465 INFO L78 Accepts]: Start accepts. Automaton has 51287 states and 141009 transitions. Word has length 163 [2022-01-28 13:04:46,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:04:46,466 INFO L470 AbstractCegarLoop]: Abstraction has 51287 states and 141009 transitions. [2022-01-28 13:04:46,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 81.5) internal successors, (163), 2 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:46,467 INFO L276 IsEmpty]: Start isEmpty. Operand 51287 states and 141009 transitions. [2022-01-28 13:04:46,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:04:46,598 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:04:46,599 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] [2022-01-28 13:04:46,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 13:04:46,600 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:04:46,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:04:46,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1443710742, now seen corresponding path program 1 times [2022-01-28 13:04:46,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:04:46,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235056852] [2022-01-28 13:04:46,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:04:46,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:04:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:04:47,224 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 13:04:47,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:04:47,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235056852] [2022-01-28 13:04:47,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235056852] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:04:47,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:04:47,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:04:47,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626121766] [2022-01-28 13:04:47,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:04:47,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:04:47,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:04:47,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:04:47,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:04:47,231 INFO L87 Difference]: Start difference. First operand 51287 states and 141009 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:51,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:04:51,392 INFO L93 Difference]: Finished difference Result 114332 states and 315102 transitions. [2022-01-28 13:04:51,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-28 13:04:51,393 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:04:51,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:04:51,832 INFO L225 Difference]: With dead ends: 114332 [2022-01-28 13:04:51,832 INFO L226 Difference]: Without dead ends: 113978 [2022-01-28 13:04:51,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=509, Invalid=2247, Unknown=0, NotChecked=0, Total=2756 [2022-01-28 13:04:51,838 INFO L933 BasicCegarLoop]: 990 mSDtfsCounter, 3925 mSDsluCounter, 12003 mSDsCounter, 0 mSdLazyCounter, 2120 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3925 SdHoareTripleChecker+Valid, 12864 SdHoareTripleChecker+Invalid, 2154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:04:51,839 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3925 Valid, 12864 Invalid, 2154 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [34 Valid, 2120 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-28 13:04:52,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113978 states. [2022-01-28 13:04:54,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113978 to 52739. [2022-01-28 13:04:54,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52739 states, 52738 states have (on average 2.7486442413440026) internal successors, (144958), 52738 states have internal predecessors, (144958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:54,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52739 states to 52739 states and 144958 transitions. [2022-01-28 13:04:54,605 INFO L78 Accepts]: Start accepts. Automaton has 52739 states and 144958 transitions. Word has length 163 [2022-01-28 13:04:54,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:04:54,608 INFO L470 AbstractCegarLoop]: Abstraction has 52739 states and 144958 transitions. [2022-01-28 13:04:54,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:54,608 INFO L276 IsEmpty]: Start isEmpty. Operand 52739 states and 144958 transitions. [2022-01-28 13:04:54,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:04:54,664 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:04:54,664 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] [2022-01-28 13:04:54,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-28 13:04:54,664 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:04:54,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:04:54,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1846555588, now seen corresponding path program 2 times [2022-01-28 13:04:54,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:04:54,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720029843] [2022-01-28 13:04:54,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:04:54,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:04:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:04:55,155 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 13:04:55,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:04:55,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720029843] [2022-01-28 13:04:55,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720029843] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:04:55,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:04:55,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:04:55,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816213090] [2022-01-28 13:04:55,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:04:55,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:04:55,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:04:55,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:04:55,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:04:55,157 INFO L87 Difference]: Start difference. First operand 52739 states and 144958 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:04:58,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:04:58,656 INFO L93 Difference]: Finished difference Result 114200 states and 314806 transitions. [2022-01-28 13:04:58,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-28 13:04:58,657 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:04:58,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:04:59,010 INFO L225 Difference]: With dead ends: 114200 [2022-01-28 13:04:59,010 INFO L226 Difference]: Without dead ends: 114061 [2022-01-28 13:04:59,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 752 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=660, Invalid=2532, Unknown=0, NotChecked=0, Total=3192 [2022-01-28 13:04:59,012 INFO L933 BasicCegarLoop]: 943 mSDtfsCounter, 3072 mSDsluCounter, 12199 mSDsCounter, 0 mSdLazyCounter, 2188 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3072 SdHoareTripleChecker+Valid, 13015 SdHoareTripleChecker+Invalid, 2249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 2188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-01-28 13:04:59,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3072 Valid, 13015 Invalid, 2249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 2188 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-01-28 13:04:59,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114061 states. [2022-01-28 13:05:00,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114061 to 52787. [2022-01-28 13:05:00,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52787 states, 52786 states have (on average 2.7484181411737962) internal successors, (145078), 52786 states have internal predecessors, (145078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:00,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52787 states to 52787 states and 145078 transitions. [2022-01-28 13:05:00,906 INFO L78 Accepts]: Start accepts. Automaton has 52787 states and 145078 transitions. Word has length 163 [2022-01-28 13:05:00,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:00,907 INFO L470 AbstractCegarLoop]: Abstraction has 52787 states and 145078 transitions. [2022-01-28 13:05:00,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:00,907 INFO L276 IsEmpty]: Start isEmpty. Operand 52787 states and 145078 transitions. [2022-01-28 13:05:00,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:05:00,980 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:00,980 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] [2022-01-28 13:05:00,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-28 13:05:00,981 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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 -1648792576, now seen corresponding path program 3 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 [1849018715] [2022-01-28 13:05:00,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:00,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:01,524 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 13:05:01,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:01,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849018715] [2022-01-28 13:05:01,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849018715] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:01,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:01,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:05:01,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101424182] [2022-01-28 13:05:01,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:01,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:05:01,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:01,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:05:01,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:05:01,526 INFO L87 Difference]: Start difference. First operand 52787 states and 145078 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:04,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:04,096 INFO L93 Difference]: Finished difference Result 114191 states and 314776 transitions. [2022-01-28 13:05:04,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-28 13:05:04,097 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:05:04,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:04,513 INFO L225 Difference]: With dead ends: 114191 [2022-01-28 13:05:04,513 INFO L226 Difference]: Without dead ends: 114025 [2022-01-28 13:05:04,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=603, Invalid=2477, Unknown=0, NotChecked=0, Total=3080 [2022-01-28 13:05:04,514 INFO L933 BasicCegarLoop]: 946 mSDtfsCounter, 3255 mSDsluCounter, 11454 mSDsCounter, 0 mSdLazyCounter, 2068 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3255 SdHoareTripleChecker+Valid, 12286 SdHoareTripleChecker+Invalid, 2116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 2068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:04,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3255 Valid, 12286 Invalid, 2116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 2068 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:05:04,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114025 states. [2022-01-28 13:05:05,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114025 to 52751. [2022-01-28 13:05:06,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52751 states, 52750 states have (on average 2.7484170616113746) internal successors, (144979), 52750 states have internal predecessors, (144979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:06,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52751 states to 52751 states and 144979 transitions. [2022-01-28 13:05:06,174 INFO L78 Accepts]: Start accepts. Automaton has 52751 states and 144979 transitions. Word has length 163 [2022-01-28 13:05:06,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:06,175 INFO L470 AbstractCegarLoop]: Abstraction has 52751 states and 144979 transitions. [2022-01-28 13:05:06,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:06,175 INFO L276 IsEmpty]: Start isEmpty. Operand 52751 states and 144979 transitions. [2022-01-28 13:05:06,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:05:06,241 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:06,242 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] [2022-01-28 13:05:06,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-28 13:05:06,242 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:06,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:06,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1919085900, now seen corresponding path program 4 times [2022-01-28 13:05:06,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:06,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615356050] [2022-01-28 13:05:06,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:06,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:06,831 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 13:05:06,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:06,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615356050] [2022-01-28 13:05:06,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615356050] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:06,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:06,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:05:06,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998323825] [2022-01-28 13:05:06,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:06,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:05:06,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:06,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:05:06,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:05:06,833 INFO L87 Difference]: Start difference. First operand 52751 states and 144979 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:09,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:09,586 INFO L93 Difference]: Finished difference Result 114440 states and 315403 transitions. [2022-01-28 13:05:09,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-28 13:05:09,587 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:05:09,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:09,851 INFO L225 Difference]: With dead ends: 114440 [2022-01-28 13:05:09,851 INFO L226 Difference]: Without dead ends: 114126 [2022-01-28 13:05:09,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 717 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=585, Invalid=2495, Unknown=0, NotChecked=0, Total=3080 [2022-01-28 13:05:09,853 INFO L933 BasicCegarLoop]: 966 mSDtfsCounter, 3070 mSDsluCounter, 12111 mSDsCounter, 0 mSdLazyCounter, 2182 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3070 SdHoareTripleChecker+Valid, 12952 SdHoareTripleChecker+Invalid, 2229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:09,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3070 Valid, 12952 Invalid, 2229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2182 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-28 13:05:10,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114126 states. [2022-01-28 13:05:11,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114126 to 52583. [2022-01-28 13:05:11,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52583 states, 52582 states have (on average 2.7486402190863792) internal successors, (144529), 52582 states have internal predecessors, (144529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:11,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52583 states to 52583 states and 144529 transitions. [2022-01-28 13:05:11,756 INFO L78 Accepts]: Start accepts. Automaton has 52583 states and 144529 transitions. Word has length 163 [2022-01-28 13:05:11,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:11,756 INFO L470 AbstractCegarLoop]: Abstraction has 52583 states and 144529 transitions. [2022-01-28 13:05:11,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:11,756 INFO L276 IsEmpty]: Start isEmpty. Operand 52583 states and 144529 transitions. [2022-01-28 13:05:11,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:05:11,818 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:11,818 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] [2022-01-28 13:05:11,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-28 13:05:11,819 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:11,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:11,819 INFO L85 PathProgramCache]: Analyzing trace with hash -839844128, now seen corresponding path program 5 times [2022-01-28 13:05:11,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:11,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851669215] [2022-01-28 13:05:11,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:11,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:12,184 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 13:05:12,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:12,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851669215] [2022-01-28 13:05:12,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851669215] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:12,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:12,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:05:12,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027844600] [2022-01-28 13:05:12,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:12,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:05:12,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:12,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:05:12,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:05:12,186 INFO L87 Difference]: Start difference. First operand 52583 states and 144529 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:15,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:15,131 INFO L93 Difference]: Finished difference Result 116746 states and 321715 transitions. [2022-01-28 13:05:15,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-28 13:05:15,131 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:05:15,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:15,391 INFO L225 Difference]: With dead ends: 116746 [2022-01-28 13:05:15,391 INFO L226 Difference]: Without dead ends: 116607 [2022-01-28 13:05:15,392 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 909 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=726, Invalid=2814, Unknown=0, NotChecked=0, Total=3540 [2022-01-28 13:05:15,392 INFO L933 BasicCegarLoop]: 942 mSDtfsCounter, 3541 mSDsluCounter, 11387 mSDsCounter, 0 mSdLazyCounter, 2139 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3541 SdHoareTripleChecker+Valid, 12221 SdHoareTripleChecker+Invalid, 2182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 2139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:15,393 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3541 Valid, 12221 Invalid, 2182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 2139 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:05:15,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116607 states. [2022-01-28 13:05:17,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116607 to 52635. [2022-01-28 13:05:17,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52635 states, 52634 states have (on average 2.748413572975643) internal successors, (144660), 52634 states have internal predecessors, (144660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:17,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52635 states to 52635 states and 144660 transitions. [2022-01-28 13:05:17,387 INFO L78 Accepts]: Start accepts. Automaton has 52635 states and 144660 transitions. Word has length 163 [2022-01-28 13:05:17,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:17,388 INFO L470 AbstractCegarLoop]: Abstraction has 52635 states and 144660 transitions. [2022-01-28 13:05:17,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:17,388 INFO L276 IsEmpty]: Start isEmpty. Operand 52635 states and 144660 transitions. [2022-01-28 13:05:17,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:05:17,445 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:17,446 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] [2022-01-28 13:05:17,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-28 13:05:17,446 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:17,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:17,446 INFO L85 PathProgramCache]: Analyzing trace with hash -40224996, now seen corresponding path program 6 times [2022-01-28 13:05:17,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:17,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579533822] [2022-01-28 13:05:17,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:17,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:17,765 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 13:05:17,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:17,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579533822] [2022-01-28 13:05:17,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579533822] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:17,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:17,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:05:17,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852019280] [2022-01-28 13:05:17,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:17,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:05:17,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:17,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:05:17,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:05:17,767 INFO L87 Difference]: Start difference. First operand 52635 states and 144660 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:20,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:20,441 INFO L93 Difference]: Finished difference Result 116718 states and 321635 transitions. [2022-01-28 13:05:20,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-28 13:05:20,442 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:05:20,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:20,917 INFO L225 Difference]: With dead ends: 116718 [2022-01-28 13:05:20,917 INFO L226 Difference]: Without dead ends: 116552 [2022-01-28 13:05:20,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 735 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=633, Invalid=2447, Unknown=0, NotChecked=0, Total=3080 [2022-01-28 13:05:20,919 INFO L933 BasicCegarLoop]: 938 mSDtfsCounter, 3462 mSDsluCounter, 11040 mSDsCounter, 0 mSdLazyCounter, 2101 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3462 SdHoareTripleChecker+Valid, 11880 SdHoareTripleChecker+Invalid, 2133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:20,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3462 Valid, 11880 Invalid, 2133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2101 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:05:21,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116552 states. [2022-01-28 13:05:22,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116552 to 52599. [2022-01-28 13:05:22,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52599 states, 52598 states have (on average 2.7484124871668123) internal successors, (144561), 52598 states have internal predecessors, (144561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:22,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52599 states to 52599 states and 144561 transitions. [2022-01-28 13:05:22,680 INFO L78 Accepts]: Start accepts. Automaton has 52599 states and 144561 transitions. Word has length 163 [2022-01-28 13:05:22,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:22,681 INFO L470 AbstractCegarLoop]: Abstraction has 52599 states and 144561 transitions. [2022-01-28 13:05:22,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:22,681 INFO L276 IsEmpty]: Start isEmpty. Operand 52599 states and 144561 transitions. [2022-01-28 13:05:22,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:05:22,745 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:22,745 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] [2022-01-28 13:05:22,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-28 13:05:22,745 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:22,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:22,746 INFO L85 PathProgramCache]: Analyzing trace with hash -320954912, now seen corresponding path program 7 times [2022-01-28 13:05:22,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:22,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469235800] [2022-01-28 13:05:22,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:22,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:23,122 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 13:05:23,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:23,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469235800] [2022-01-28 13:05:23,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469235800] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:23,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:23,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:05:23,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045268349] [2022-01-28 13:05:23,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:23,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:05:23,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:23,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:05:23,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:05:23,124 INFO L87 Difference]: Start difference. First operand 52599 states and 144561 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:26,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:26,081 INFO L93 Difference]: Finished difference Result 116663 states and 321481 transitions. [2022-01-28 13:05:26,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-28 13:05:26,082 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:05:26,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:26,347 INFO L225 Difference]: With dead ends: 116663 [2022-01-28 13:05:26,347 INFO L226 Difference]: Without dead ends: 116493 [2022-01-28 13:05:26,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 904 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=709, Invalid=2831, Unknown=0, NotChecked=0, Total=3540 [2022-01-28 13:05:26,348 INFO L933 BasicCegarLoop]: 962 mSDtfsCounter, 3155 mSDsluCounter, 12340 mSDsCounter, 0 mSdLazyCounter, 2313 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3155 SdHoareTripleChecker+Valid, 13178 SdHoareTripleChecker+Invalid, 2347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:26,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3155 Valid, 13178 Invalid, 2347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2313 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-28 13:05:26,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116493 states. [2022-01-28 13:05:27,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116493 to 52587. [2022-01-28 13:05:28,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52587 states, 52586 states have (on average 2.748564256646256) internal successors, (144536), 52586 states have internal predecessors, (144536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:28,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52587 states to 52587 states and 144536 transitions. [2022-01-28 13:05:28,150 INFO L78 Accepts]: Start accepts. Automaton has 52587 states and 144536 transitions. Word has length 163 [2022-01-28 13:05:28,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:28,150 INFO L470 AbstractCegarLoop]: Abstraction has 52587 states and 144536 transitions. [2022-01-28 13:05:28,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:28,151 INFO L276 IsEmpty]: Start isEmpty. Operand 52587 states and 144536 transitions. [2022-01-28 13:05:28,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:05:28,213 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:28,213 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] [2022-01-28 13:05:28,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-28 13:05:28,214 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:28,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:28,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1647961572, now seen corresponding path program 8 times [2022-01-28 13:05:28,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:28,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733723177] [2022-01-28 13:05:28,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:28,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:28,569 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 13:05:28,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:28,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733723177] [2022-01-28 13:05:28,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733723177] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:28,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:28,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:05:28,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012183037] [2022-01-28 13:05:28,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:28,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:05:28,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:28,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:05:28,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:05:28,570 INFO L87 Difference]: Start difference. First operand 52587 states and 144536 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:31,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:31,828 INFO L93 Difference]: Finished difference Result 117120 states and 322721 transitions. [2022-01-28 13:05:31,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-28 13:05:31,828 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:05:31,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:32,087 INFO L225 Difference]: With dead ends: 117120 [2022-01-28 13:05:32,087 INFO L226 Difference]: Without dead ends: 116981 [2022-01-28 13:05:32,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=631, Invalid=2021, Unknown=0, NotChecked=0, Total=2652 [2022-01-28 13:05:32,089 INFO L933 BasicCegarLoop]: 933 mSDtfsCounter, 3431 mSDsluCounter, 11676 mSDsCounter, 0 mSdLazyCounter, 2099 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3431 SdHoareTripleChecker+Valid, 12496 SdHoareTripleChecker+Invalid, 2159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 2099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:32,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3431 Valid, 12496 Invalid, 2159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 2099 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:05:32,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116981 states. [2022-01-28 13:05:33,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116981 to 52651. [2022-01-28 13:05:33,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52651 states, 52650 states have (on average 2.748262108262108) internal successors, (144696), 52650 states have internal predecessors, (144696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:33,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52651 states to 52651 states and 144696 transitions. [2022-01-28 13:05:33,945 INFO L78 Accepts]: Start accepts. Automaton has 52651 states and 144696 transitions. Word has length 163 [2022-01-28 13:05:33,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:33,945 INFO L470 AbstractCegarLoop]: Abstraction has 52651 states and 144696 transitions. [2022-01-28 13:05:33,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:33,945 INFO L276 IsEmpty]: Start isEmpty. Operand 52651 states and 144696 transitions. [2022-01-28 13:05:34,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:05:34,002 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:34,002 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] [2022-01-28 13:05:34,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-28 13:05:34,002 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:34,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:34,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1508063516, now seen corresponding path program 9 times [2022-01-28 13:05:34,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:34,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777198307] [2022-01-28 13:05:34,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:34,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:34,312 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 13:05:34,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:34,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777198307] [2022-01-28 13:05:34,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777198307] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:34,312 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:34,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:05:34,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582649277] [2022-01-28 13:05:34,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:34,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:05:34,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:34,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:05:34,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:05:34,313 INFO L87 Difference]: Start difference. First operand 52651 states and 144696 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:37,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:37,155 INFO L93 Difference]: Finished difference Result 116832 states and 321994 transitions. [2022-01-28 13:05:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-28 13:05:37,155 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:05:37,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:37,429 INFO L225 Difference]: With dead ends: 116832 [2022-01-28 13:05:37,429 INFO L226 Difference]: Without dead ends: 116685 [2022-01-28 13:05:37,429 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 677 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=600, Invalid=2370, Unknown=0, NotChecked=0, Total=2970 [2022-01-28 13:05:37,430 INFO L933 BasicCegarLoop]: 943 mSDtfsCounter, 3122 mSDsluCounter, 11494 mSDsCounter, 0 mSdLazyCounter, 2108 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3122 SdHoareTripleChecker+Valid, 12321 SdHoareTripleChecker+Invalid, 2137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:37,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3122 Valid, 12321 Invalid, 2137 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [29 Valid, 2108 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:05:37,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116685 states. [2022-01-28 13:05:39,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116685 to 52615. [2022-01-28 13:05:39,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52615 states, 52614 states have (on average 2.748260919146995) internal successors, (144597), 52614 states have internal predecessors, (144597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:39,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52615 states to 52615 states and 144597 transitions. [2022-01-28 13:05:39,344 INFO L78 Accepts]: Start accepts. Automaton has 52615 states and 144597 transitions. Word has length 163 [2022-01-28 13:05:39,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:39,344 INFO L470 AbstractCegarLoop]: Abstraction has 52615 states and 144597 transitions. [2022-01-28 13:05:39,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:39,345 INFO L276 IsEmpty]: Start isEmpty. Operand 52615 states and 144597 transitions. [2022-01-28 13:05:39,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:05:39,404 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:39,404 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] [2022-01-28 13:05:39,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-28 13:05:39,404 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:39,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:39,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1776698532, now seen corresponding path program 10 times [2022-01-28 13:05:39,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:39,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495221256] [2022-01-28 13:05:39,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:39,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:39,757 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 13:05:39,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:39,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495221256] [2022-01-28 13:05:39,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495221256] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:39,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:39,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:05:39,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432919232] [2022-01-28 13:05:39,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:39,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:05:39,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:39,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:05:39,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:05:39,759 INFO L87 Difference]: Start difference. First operand 52615 states and 144597 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:42,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:42,476 INFO L93 Difference]: Finished difference Result 116910 states and 322214 transitions. [2022-01-28 13:05:42,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-28 13:05:42,476 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:05:42,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:42,727 INFO L225 Difference]: With dead ends: 116910 [2022-01-28 13:05:42,727 INFO L226 Difference]: Without dead ends: 116715 [2022-01-28 13:05:42,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=563, Invalid=2299, Unknown=0, NotChecked=0, Total=2862 [2022-01-28 13:05:42,728 INFO L933 BasicCegarLoop]: 962 mSDtfsCounter, 3328 mSDsluCounter, 11923 mSDsCounter, 0 mSdLazyCounter, 2133 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3328 SdHoareTripleChecker+Valid, 12759 SdHoareTripleChecker+Invalid, 2161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:42,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3328 Valid, 12759 Invalid, 2161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2133 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-28 13:05:42,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116715 states. [2022-01-28 13:05:44,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116715 to 52531. [2022-01-28 13:05:44,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52531 states, 52530 states have (on average 2.7486388730249383) internal successors, (144386), 52530 states have internal predecessors, (144386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:44,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52531 states to 52531 states and 144386 transitions. [2022-01-28 13:05:44,450 INFO L78 Accepts]: Start accepts. Automaton has 52531 states and 144386 transitions. Word has length 163 [2022-01-28 13:05:44,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:44,450 INFO L470 AbstractCegarLoop]: Abstraction has 52531 states and 144386 transitions. [2022-01-28 13:05:44,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:44,450 INFO L276 IsEmpty]: Start isEmpty. Operand 52531 states and 144386 transitions. [2022-01-28 13:05:44,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:05:44,505 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:44,505 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] [2022-01-28 13:05:44,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-28 13:05:44,505 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:44,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:44,505 INFO L85 PathProgramCache]: Analyzing trace with hash -402189598, now seen corresponding path program 11 times [2022-01-28 13:05:44,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:44,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230631919] [2022-01-28 13:05:44,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:44,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:44,817 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 13:05:44,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:44,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230631919] [2022-01-28 13:05:44,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230631919] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:44,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:44,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:05:44,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299537972] [2022-01-28 13:05:44,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:44,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:05:44,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:44,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:05:44,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:05:44,819 INFO L87 Difference]: Start difference. First operand 52531 states and 144386 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:47,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:47,668 INFO L93 Difference]: Finished difference Result 122951 states and 338740 transitions. [2022-01-28 13:05:47,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-28 13:05:47,669 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:05:47,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:47,929 INFO L225 Difference]: With dead ends: 122951 [2022-01-28 13:05:47,929 INFO L226 Difference]: Without dead ends: 122812 [2022-01-28 13:05:47,930 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=758, Invalid=2902, Unknown=0, NotChecked=0, Total=3660 [2022-01-28 13:05:47,930 INFO L933 BasicCegarLoop]: 962 mSDtfsCounter, 3472 mSDsluCounter, 12027 mSDsCounter, 0 mSdLazyCounter, 2234 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3472 SdHoareTripleChecker+Valid, 12872 SdHoareTripleChecker+Invalid, 2275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 2234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:47,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3472 Valid, 12872 Invalid, 2275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 2234 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-28 13:05:48,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122812 states. [2022-01-28 13:05:49,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122812 to 52635. [2022-01-28 13:05:49,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52635 states, 52634 states have (on average 2.748413572975643) internal successors, (144660), 52634 states have internal predecessors, (144660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:49,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52635 states to 52635 states and 144660 transitions. [2022-01-28 13:05:49,891 INFO L78 Accepts]: Start accepts. Automaton has 52635 states and 144660 transitions. Word has length 163 [2022-01-28 13:05:49,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:49,892 INFO L470 AbstractCegarLoop]: Abstraction has 52635 states and 144660 transitions. [2022-01-28 13:05:49,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:49,892 INFO L276 IsEmpty]: Start isEmpty. Operand 52635 states and 144660 transitions. [2022-01-28 13:05:49,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:05:49,981 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:49,981 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] [2022-01-28 13:05:49,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-28 13:05:49,982 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:49,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:49,983 INFO L85 PathProgramCache]: Analyzing trace with hash 397429534, now seen corresponding path program 12 times [2022-01-28 13:05:49,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:49,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996211397] [2022-01-28 13:05:49,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:49,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:50,411 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 13:05:50,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:50,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996211397] [2022-01-28 13:05:50,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996211397] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:50,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:50,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:05:50,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40254721] [2022-01-28 13:05:50,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:50,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:05:50,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:50,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:05:50,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:05:50,413 INFO L87 Difference]: Start difference. First operand 52635 states and 144660 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:53,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:53,281 INFO L93 Difference]: Finished difference Result 122923 states and 338660 transitions. [2022-01-28 13:05:53,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-28 13:05:53,282 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:05:53,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:53,546 INFO L225 Difference]: With dead ends: 122923 [2022-01-28 13:05:53,547 INFO L226 Difference]: Without dead ends: 122757 [2022-01-28 13:05:53,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=661, Invalid=2531, Unknown=0, NotChecked=0, Total=3192 [2022-01-28 13:05:53,548 INFO L933 BasicCegarLoop]: 958 mSDtfsCounter, 3599 mSDsluCounter, 11654 mSDsCounter, 0 mSdLazyCounter, 2200 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3599 SdHoareTripleChecker+Valid, 12506 SdHoareTripleChecker+Invalid, 2231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:53,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3599 Valid, 12506 Invalid, 2231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2200 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:05:53,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122757 states. [2022-01-28 13:05:55,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122757 to 52599. [2022-01-28 13:05:55,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52599 states, 52598 states have (on average 2.7484124871668123) internal successors, (144561), 52598 states have internal predecessors, (144561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:55,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52599 states to 52599 states and 144561 transitions. [2022-01-28 13:05:55,347 INFO L78 Accepts]: Start accepts. Automaton has 52599 states and 144561 transitions. Word has length 163 [2022-01-28 13:05:55,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:05:55,347 INFO L470 AbstractCegarLoop]: Abstraction has 52599 states and 144561 transitions. [2022-01-28 13:05:55,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:55,347 INFO L276 IsEmpty]: Start isEmpty. Operand 52599 states and 144561 transitions. [2022-01-28 13:05:55,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:05:55,404 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:05:55,404 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] [2022-01-28 13:05:55,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-28 13:05:55,404 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:05:55,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:05:55,405 INFO L85 PathProgramCache]: Analyzing trace with hash 116699618, now seen corresponding path program 13 times [2022-01-28 13:05:55,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:05:55,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050221569] [2022-01-28 13:05:55,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:05:55,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:05:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:05:55,673 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 13:05:55,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:05:55,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050221569] [2022-01-28 13:05:55,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050221569] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:05:55,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:05:55,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:05:55,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563551532] [2022-01-28 13:05:55,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:05:55,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:05:55,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:05:55,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:05:55,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:05:55,674 INFO L87 Difference]: Start difference. First operand 52599 states and 144561 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:05:58,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:05:58,563 INFO L93 Difference]: Finished difference Result 123282 states and 339460 transitions. [2022-01-28 13:05:58,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-28 13:05:58,563 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:05:58,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:05:58,829 INFO L225 Difference]: With dead ends: 123282 [2022-01-28 13:05:58,829 INFO L226 Difference]: Without dead ends: 123112 [2022-01-28 13:05:58,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 970 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=739, Invalid=2921, Unknown=0, NotChecked=0, Total=3660 [2022-01-28 13:05:58,830 INFO L933 BasicCegarLoop]: 982 mSDtfsCounter, 3764 mSDsluCounter, 11416 mSDsCounter, 0 mSdLazyCounter, 2246 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3764 SdHoareTripleChecker+Valid, 12296 SdHoareTripleChecker+Invalid, 2278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:05:58,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3764 Valid, 12296 Invalid, 2278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2246 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:05:59,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123112 states. [2022-01-28 13:06:00,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123112 to 52587. [2022-01-28 13:06:00,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52587 states, 52586 states have (on average 2.748564256646256) internal successors, (144536), 52586 states have internal predecessors, (144536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:00,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52587 states to 52587 states and 144536 transitions. [2022-01-28 13:06:00,620 INFO L78 Accepts]: Start accepts. Automaton has 52587 states and 144536 transitions. Word has length 163 [2022-01-28 13:06:00,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:06:00,621 INFO L470 AbstractCegarLoop]: Abstraction has 52587 states and 144536 transitions. [2022-01-28 13:06:00,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:00,621 INFO L276 IsEmpty]: Start isEmpty. Operand 52587 states and 144536 transitions. [2022-01-28 13:06:00,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:06:00,674 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:06:00,674 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] [2022-01-28 13:06:00,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-28 13:06:00,674 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:06:00,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:06:00,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1210307042, now seen corresponding path program 14 times [2022-01-28 13:06:00,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:06:00,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781181903] [2022-01-28 13:06:00,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:06:00,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:06:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:06:00,950 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 13:06:00,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:06:00,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781181903] [2022-01-28 13:06:00,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781181903] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:06:00,950 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:06:00,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:06:00,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370155515] [2022-01-28 13:06:00,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:06:00,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:06:00,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:06:00,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:06:00,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:06:00,951 INFO L87 Difference]: Start difference. First operand 52587 states and 144536 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:03,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:06:03,814 INFO L93 Difference]: Finished difference Result 122503 states and 337504 transitions. [2022-01-28 13:06:03,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-28 13:06:03,815 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:06:03,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:06:04,114 INFO L225 Difference]: With dead ends: 122503 [2022-01-28 13:06:04,114 INFO L226 Difference]: Without dead ends: 122364 [2022-01-28 13:06:04,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 865 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=722, Invalid=2700, Unknown=0, NotChecked=0, Total=3422 [2022-01-28 13:06:04,116 INFO L933 BasicCegarLoop]: 960 mSDtfsCounter, 3672 mSDsluCounter, 11645 mSDsCounter, 0 mSdLazyCounter, 2170 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3672 SdHoareTripleChecker+Valid, 12496 SdHoareTripleChecker+Invalid, 2216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 2170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-28 13:06:04,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3672 Valid, 12496 Invalid, 2216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 2170 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-28 13:06:04,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122364 states. [2022-01-28 13:06:05,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122364 to 52635. [2022-01-28 13:06:05,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52635 states, 52634 states have (on average 2.7483375764714824) internal successors, (144656), 52634 states have internal predecessors, (144656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:05,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52635 states to 52635 states and 144656 transitions. [2022-01-28 13:06:05,910 INFO L78 Accepts]: Start accepts. Automaton has 52635 states and 144656 transitions. Word has length 163 [2022-01-28 13:06:05,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:06:05,910 INFO L470 AbstractCegarLoop]: Abstraction has 52635 states and 144656 transitions. [2022-01-28 13:06:05,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:05,911 INFO L276 IsEmpty]: Start isEmpty. Operand 52635 states and 144656 transitions. [2022-01-28 13:06:05,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:06:05,969 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:06:05,969 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] [2022-01-28 13:06:05,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-28 13:06:05,969 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:06:05,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:06:05,970 INFO L85 PathProgramCache]: Analyzing trace with hash -410687910, now seen corresponding path program 15 times [2022-01-28 13:06:05,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:06:05,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698022063] [2022-01-28 13:06:05,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:06:05,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:06:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:06:06,261 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 13:06:06,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:06:06,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698022063] [2022-01-28 13:06:06,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698022063] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:06:06,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:06:06,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:06:06,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411731032] [2022-01-28 13:06:06,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:06:06,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:06:06,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:06:06,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:06:06,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:06:06,263 INFO L87 Difference]: Start difference. First operand 52635 states and 144656 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:08,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:06:08,773 INFO L93 Difference]: Finished difference Result 122479 states and 337439 transitions. [2022-01-28 13:06:08,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-28 13:06:08,774 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:06:08,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:06:09,311 INFO L225 Difference]: With dead ends: 122479 [2022-01-28 13:06:09,312 INFO L226 Difference]: Without dead ends: 122313 [2022-01-28 13:06:09,312 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 819 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=667, Invalid=2639, Unknown=0, NotChecked=0, Total=3306 [2022-01-28 13:06:09,313 INFO L933 BasicCegarLoop]: 963 mSDtfsCounter, 3215 mSDsluCounter, 11851 mSDsCounter, 0 mSdLazyCounter, 2253 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3215 SdHoareTripleChecker+Valid, 12701 SdHoareTripleChecker+Invalid, 2288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-28 13:06:09,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3215 Valid, 12701 Invalid, 2288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2253 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-28 13:06:09,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122313 states. [2022-01-28 13:06:10,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122313 to 52599. [2022-01-28 13:06:10,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52599 states, 52598 states have (on average 2.7483364386478573) internal successors, (144557), 52598 states have internal predecessors, (144557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:11,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52599 states to 52599 states and 144557 transitions. [2022-01-28 13:06:11,105 INFO L78 Accepts]: Start accepts. Automaton has 52599 states and 144557 transitions. Word has length 163 [2022-01-28 13:06:11,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:06:11,105 INFO L470 AbstractCegarLoop]: Abstraction has 52599 states and 144557 transitions. [2022-01-28 13:06:11,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:11,105 INFO L276 IsEmpty]: Start isEmpty. Operand 52599 states and 144557 transitions. [2022-01-28 13:06:11,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:06:11,163 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:06:11,163 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] [2022-01-28 13:06:11,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-28 13:06:11,163 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:06:11,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:06:11,163 INFO L85 PathProgramCache]: Analyzing trace with hash -142052894, now seen corresponding path program 16 times [2022-01-28 13:06:11,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:06:11,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600048755] [2022-01-28 13:06:11,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:06:11,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:06:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:06:11,481 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 13:06:11,481 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:06:11,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600048755] [2022-01-28 13:06:11,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600048755] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:06:11,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:06:11,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:06:11,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681537630] [2022-01-28 13:06:11,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:06:11,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:06:11,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:06:11,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:06:11,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:06:11,483 INFO L87 Difference]: Start difference. First operand 52599 states and 144557 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:14,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:06:14,090 INFO L93 Difference]: Finished difference Result 122427 states and 337296 transitions. [2022-01-28 13:06:14,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-28 13:06:14,091 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:06:14,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:06:14,364 INFO L225 Difference]: With dead ends: 122427 [2022-01-28 13:06:14,364 INFO L226 Difference]: Without dead ends: 122265 [2022-01-28 13:06:14,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 782 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=631, Invalid=2561, Unknown=0, NotChecked=0, Total=3192 [2022-01-28 13:06:14,366 INFO L933 BasicCegarLoop]: 982 mSDtfsCounter, 3504 mSDsluCounter, 11771 mSDsCounter, 0 mSdLazyCounter, 2178 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3504 SdHoareTripleChecker+Valid, 12637 SdHoareTripleChecker+Invalid, 2212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:06:14,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3504 Valid, 12637 Invalid, 2212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2178 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:06:14,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122265 states. [2022-01-28 13:06:16,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122265 to 52583. [2022-01-28 13:06:16,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52583 states, 52582 states have (on average 2.748564147426876) internal successors, (144525), 52582 states have internal predecessors, (144525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:16,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52583 states to 52583 states and 144525 transitions. [2022-01-28 13:06:16,479 INFO L78 Accepts]: Start accepts. Automaton has 52583 states and 144525 transitions. Word has length 163 [2022-01-28 13:06:16,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:06:16,483 INFO L470 AbstractCegarLoop]: Abstraction has 52583 states and 144525 transitions. [2022-01-28 13:06:16,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:16,483 INFO L276 IsEmpty]: Start isEmpty. Operand 52583 states and 144525 transitions. [2022-01-28 13:06:16,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:06:16,553 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:06:16,554 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] [2022-01-28 13:06:16,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-28 13:06:16,554 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:06:16,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:06:16,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1671430020, now seen corresponding path program 17 times [2022-01-28 13:06:16,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:06:16,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505262909] [2022-01-28 13:06:16,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:06:16,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:06:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:06:16,852 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 13:06:16,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:06:16,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505262909] [2022-01-28 13:06:16,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505262909] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:06:16,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:06:16,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:06:16,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670620135] [2022-01-28 13:06:16,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:06:16,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:06:16,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:06:16,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:06:16,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:06:16,853 INFO L87 Difference]: Start difference. First operand 52583 states and 144525 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:19,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:06:19,463 INFO L93 Difference]: Finished difference Result 120010 states and 330644 transitions. [2022-01-28 13:06:19,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-28 13:06:19,464 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:06:19,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:06:19,727 INFO L225 Difference]: With dead ends: 120010 [2022-01-28 13:06:19,727 INFO L226 Difference]: Without dead ends: 119871 [2022-01-28 13:06:19,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 910 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=714, Invalid=2826, Unknown=0, NotChecked=0, Total=3540 [2022-01-28 13:06:19,729 INFO L933 BasicCegarLoop]: 961 mSDtfsCounter, 3128 mSDsluCounter, 11700 mSDsCounter, 0 mSdLazyCounter, 2326 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3128 SdHoareTripleChecker+Valid, 12558 SdHoareTripleChecker+Invalid, 2371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-28 13:06:19,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3128 Valid, 12558 Invalid, 2371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 2326 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-28 13:06:19,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119871 states. [2022-01-28 13:06:21,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119871 to 52787. [2022-01-28 13:06:21,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52787 states, 52786 states have (on average 2.748342363505475) internal successors, (145074), 52786 states have internal predecessors, (145074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:21,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52787 states to 52787 states and 145074 transitions. [2022-01-28 13:06:21,565 INFO L78 Accepts]: Start accepts. Automaton has 52787 states and 145074 transitions. Word has length 163 [2022-01-28 13:06:21,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:06:21,566 INFO L470 AbstractCegarLoop]: Abstraction has 52787 states and 145074 transitions. [2022-01-28 13:06:21,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:21,566 INFO L276 IsEmpty]: Start isEmpty. Operand 52787 states and 145074 transitions. [2022-01-28 13:06:21,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:06:21,621 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:06:21,621 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] [2022-01-28 13:06:21,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-28 13:06:21,621 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:06:21,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:06:21,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1823918144, now seen corresponding path program 18 times [2022-01-28 13:06:21,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:06:21,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236137928] [2022-01-28 13:06:21,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:06:21,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:06:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:06:21,909 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 13:06:21,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:06:21,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236137928] [2022-01-28 13:06:21,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236137928] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:06:21,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:06:21,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:06:21,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964730177] [2022-01-28 13:06:21,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:06:21,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:06:21,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:06:21,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:06:21,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:06:21,911 INFO L87 Difference]: Start difference. First operand 52787 states and 145074 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:24,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:06:24,908 INFO L93 Difference]: Finished difference Result 119934 states and 330448 transitions. [2022-01-28 13:06:24,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-28 13:06:24,908 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:06:24,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:06:25,188 INFO L225 Difference]: With dead ends: 119934 [2022-01-28 13:06:25,188 INFO L226 Difference]: Without dead ends: 119768 [2022-01-28 13:06:25,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 740 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=629, Invalid=2451, Unknown=0, NotChecked=0, Total=3080 [2022-01-28 13:06:25,189 INFO L933 BasicCegarLoop]: 957 mSDtfsCounter, 3055 mSDsluCounter, 11988 mSDsCounter, 0 mSdLazyCounter, 2333 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3055 SdHoareTripleChecker+Valid, 12840 SdHoareTripleChecker+Invalid, 2367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-28 13:06:25,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3055 Valid, 12840 Invalid, 2367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2333 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-28 13:06:25,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119768 states. [2022-01-28 13:06:26,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119768 to 52751. [2022-01-28 13:06:26,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52751 states, 52750 states have (on average 2.7483412322274883) internal successors, (144975), 52750 states have internal predecessors, (144975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:27,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52751 states to 52751 states and 144975 transitions. [2022-01-28 13:06:27,040 INFO L78 Accepts]: Start accepts. Automaton has 52751 states and 144975 transitions. Word has length 163 [2022-01-28 13:06:27,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:06:27,040 INFO L470 AbstractCegarLoop]: Abstraction has 52751 states and 144975 transitions. [2022-01-28 13:06:27,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:27,041 INFO L276 IsEmpty]: Start isEmpty. Operand 52751 states and 144975 transitions. [2022-01-28 13:06:27,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:06:27,100 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:06:27,101 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] [2022-01-28 13:06:27,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-28 13:06:27,101 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:06:27,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:06:27,101 INFO L85 PathProgramCache]: Analyzing trace with hash -2104648060, now seen corresponding path program 19 times [2022-01-28 13:06:27,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:06:27,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063318047] [2022-01-28 13:06:27,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:06:27,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:06:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:06:27,406 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 13:06:27,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:06:27,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063318047] [2022-01-28 13:06:27,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063318047] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:06:27,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:06:27,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:06:27,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016296055] [2022-01-28 13:06:27,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:06:27,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:06:27,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:06:27,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:06:27,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:06:27,408 INFO L87 Difference]: Start difference. First operand 52751 states and 144975 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:30,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:06:30,499 INFO L93 Difference]: Finished difference Result 120287 states and 331306 transitions. [2022-01-28 13:06:30,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-28 13:06:30,499 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:06:30,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:06:30,765 INFO L225 Difference]: With dead ends: 120287 [2022-01-28 13:06:30,765 INFO L226 Difference]: Without dead ends: 120117 [2022-01-28 13:06:30,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=721, Invalid=2939, Unknown=0, NotChecked=0, Total=3660 [2022-01-28 13:06:30,766 INFO L933 BasicCegarLoop]: 983 mSDtfsCounter, 3382 mSDsluCounter, 11334 mSDsCounter, 0 mSdLazyCounter, 2295 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3382 SdHoareTripleChecker+Valid, 12215 SdHoareTripleChecker+Invalid, 2329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-28 13:06:30,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3382 Valid, 12215 Invalid, 2329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2295 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-28 13:06:30,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120117 states. [2022-01-28 13:06:32,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120117 to 52739. [2022-01-28 13:06:32,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52739 states, 52738 states have (on average 2.7483408547916115) internal successors, (144942), 52738 states have internal predecessors, (144942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:32,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52739 states to 52739 states and 144942 transitions. [2022-01-28 13:06:32,551 INFO L78 Accepts]: Start accepts. Automaton has 52739 states and 144942 transitions. Word has length 163 [2022-01-28 13:06:32,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:06:32,551 INFO L470 AbstractCegarLoop]: Abstraction has 52739 states and 144942 transitions. [2022-01-28 13:06:32,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:32,552 INFO L276 IsEmpty]: Start isEmpty. Operand 52739 states and 144942 transitions. [2022-01-28 13:06:32,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:06:32,608 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:06:32,608 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] [2022-01-28 13:06:32,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-28 13:06:32,609 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:06:32,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:06:32,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1387974694, now seen corresponding path program 20 times [2022-01-28 13:06:32,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:06:32,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109002956] [2022-01-28 13:06:32,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:06:32,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:06:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:06:32,883 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 13:06:32,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:06:32,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109002956] [2022-01-28 13:06:32,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109002956] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:06:32,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:06:32,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:06:32,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564212450] [2022-01-28 13:06:32,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:06:32,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:06:32,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:06:32,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:06:32,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:06:32,885 INFO L87 Difference]: Start difference. First operand 52739 states and 144942 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:35,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:06:35,596 INFO L93 Difference]: Finished difference Result 119810 states and 330063 transitions. [2022-01-28 13:06:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-28 13:06:35,597 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:06:35,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:06:36,072 INFO L225 Difference]: With dead ends: 119810 [2022-01-28 13:06:36,073 INFO L226 Difference]: Without dead ends: 118521 [2022-01-28 13:06:36,073 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1016 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=737, Invalid=3045, Unknown=0, NotChecked=0, Total=3782 [2022-01-28 13:06:36,074 INFO L933 BasicCegarLoop]: 1005 mSDtfsCounter, 3445 mSDsluCounter, 11351 mSDsCounter, 0 mSdLazyCounter, 2319 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3445 SdHoareTripleChecker+Valid, 12256 SdHoareTripleChecker+Invalid, 2353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:06:36,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3445 Valid, 12256 Invalid, 2353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2319 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:06:36,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118521 states. [2022-01-28 13:06:37,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118521 to 51855. [2022-01-28 13:06:37,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51855 states, 51854 states have (on average 2.748621128553246) internal successors, (142527), 51854 states have internal predecessors, (142527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:37,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51855 states to 51855 states and 142527 transitions. [2022-01-28 13:06:37,852 INFO L78 Accepts]: Start accepts. Automaton has 51855 states and 142527 transitions. Word has length 163 [2022-01-28 13:06:37,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:06:37,852 INFO L470 AbstractCegarLoop]: Abstraction has 51855 states and 142527 transitions. [2022-01-28 13:06:37,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:37,852 INFO L276 IsEmpty]: Start isEmpty. Operand 51855 states and 142527 transitions. [2022-01-28 13:06:37,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:06:37,901 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:06:37,902 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] [2022-01-28 13:06:37,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-28 13:06:37,902 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:06:37,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:06:37,903 INFO L85 PathProgramCache]: Analyzing trace with hash 422667174, now seen corresponding path program 21 times [2022-01-28 13:06:37,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:06:37,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358606703] [2022-01-28 13:06:37,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:06:37,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:06:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:06:38,218 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 13:06:38,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:06:38,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358606703] [2022-01-28 13:06:38,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358606703] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:06:38,219 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:06:38,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:06:38,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344177883] [2022-01-28 13:06:38,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:06:38,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:06:38,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:06:38,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:06:38,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:06:38,220 INFO L87 Difference]: Start difference. First operand 51855 states and 142527 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:40,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:06:40,690 INFO L93 Difference]: Finished difference Result 118841 states and 327152 transitions. [2022-01-28 13:06:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-28 13:06:40,690 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:06:40,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:06:40,948 INFO L225 Difference]: With dead ends: 118841 [2022-01-28 13:06:40,948 INFO L226 Difference]: Without dead ends: 118417 [2022-01-28 13:06:40,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=612, Invalid=2468, Unknown=0, NotChecked=0, Total=3080 [2022-01-28 13:06:40,950 INFO L933 BasicCegarLoop]: 961 mSDtfsCounter, 3611 mSDsluCounter, 10988 mSDsCounter, 0 mSdLazyCounter, 2262 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3611 SdHoareTripleChecker+Valid, 11850 SdHoareTripleChecker+Invalid, 2295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:06:40,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3611 Valid, 11850 Invalid, 2295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2262 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:06:41,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118417 states. [2022-01-28 13:06:42,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118417 to 51871. [2022-01-28 13:06:42,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51871 states, 51870 states have (on average 2.748544438018122) internal successors, (142567), 51870 states have internal predecessors, (142567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:42,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51871 states to 51871 states and 142567 transitions. [2022-01-28 13:06:42,767 INFO L78 Accepts]: Start accepts. Automaton has 51871 states and 142567 transitions. Word has length 163 [2022-01-28 13:06:42,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:06:42,767 INFO L470 AbstractCegarLoop]: Abstraction has 51871 states and 142567 transitions. [2022-01-28 13:06:42,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:42,767 INFO L276 IsEmpty]: Start isEmpty. Operand 51871 states and 142567 transitions. [2022-01-28 13:06:42,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:06:42,821 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:06:42,821 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] [2022-01-28 13:06:42,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-28 13:06:42,822 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:06:42,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:06:42,822 INFO L85 PathProgramCache]: Analyzing trace with hash -2017143812, now seen corresponding path program 22 times [2022-01-28 13:06:42,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:06:42,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386354093] [2022-01-28 13:06:42,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:06:42,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:06:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:06:43,121 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 13:06:43,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:06:43,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386354093] [2022-01-28 13:06:43,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386354093] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:06:43,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:06:43,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:06:43,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394342056] [2022-01-28 13:06:43,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:06:43,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:06:43,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:06:43,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:06:43,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:06:43,123 INFO L87 Difference]: Start difference. First operand 51871 states and 142567 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:46,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:06:46,219 INFO L93 Difference]: Finished difference Result 120140 states and 330546 transitions. [2022-01-28 13:06:46,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-28 13:06:46,219 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:06:46,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:06:46,715 INFO L225 Difference]: With dead ends: 120140 [2022-01-28 13:06:46,716 INFO L226 Difference]: Without dead ends: 119735 [2022-01-28 13:06:46,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 906 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=676, Invalid=2864, Unknown=0, NotChecked=0, Total=3540 [2022-01-28 13:06:46,717 INFO L933 BasicCegarLoop]: 967 mSDtfsCounter, 3252 mSDsluCounter, 12019 mSDsCounter, 0 mSdLazyCounter, 2437 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3252 SdHoareTripleChecker+Valid, 12867 SdHoareTripleChecker+Invalid, 2471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-28 13:06:46,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3252 Valid, 12867 Invalid, 2471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2437 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-28 13:06:46,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119735 states. [2022-01-28 13:06:48,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119735 to 52027. [2022-01-28 13:06:48,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52027 states, 52026 states have (on average 2.747549302271941) internal successors, (142944), 52026 states have internal predecessors, (142944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:48,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52027 states to 52027 states and 142944 transitions. [2022-01-28 13:06:48,614 INFO L78 Accepts]: Start accepts. Automaton has 52027 states and 142944 transitions. Word has length 163 [2022-01-28 13:06:48,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:06:48,614 INFO L470 AbstractCegarLoop]: Abstraction has 52027 states and 142944 transitions. [2022-01-28 13:06:48,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:48,615 INFO L276 IsEmpty]: Start isEmpty. Operand 52027 states and 142944 transitions. [2022-01-28 13:06:48,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:06:48,666 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:06:48,666 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] [2022-01-28 13:06:48,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-28 13:06:48,666 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:06:48,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:06:48,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1230510364, now seen corresponding path program 23 times [2022-01-28 13:06:48,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:06:48,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994976426] [2022-01-28 13:06:48,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:06:48,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:06:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:06:48,959 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 13:06:48,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:06:48,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994976426] [2022-01-28 13:06:48,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994976426] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:06:48,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:06:48,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:06:48,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810869201] [2022-01-28 13:06:48,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:06:48,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:06:48,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:06:48,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:06:48,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:06:48,961 INFO L87 Difference]: Start difference. First operand 52027 states and 142944 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:51,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:06:51,466 INFO L93 Difference]: Finished difference Result 118757 states and 327146 transitions. [2022-01-28 13:06:51,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-28 13:06:51,466 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:06:51,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:06:51,743 INFO L225 Difference]: With dead ends: 118757 [2022-01-28 13:06:51,743 INFO L226 Difference]: Without dead ends: 118618 [2022-01-28 13:06:51,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=640, Invalid=2552, Unknown=0, NotChecked=0, Total=3192 [2022-01-28 13:06:51,744 INFO L933 BasicCegarLoop]: 920 mSDtfsCounter, 3057 mSDsluCounter, 10883 mSDsCounter, 0 mSdLazyCounter, 2171 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3057 SdHoareTripleChecker+Valid, 11708 SdHoareTripleChecker+Invalid, 2215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:06:51,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3057 Valid, 11708 Invalid, 2215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 2171 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:06:52,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118618 states. [2022-01-28 13:06:53,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118618 to 52075. [2022-01-28 13:06:53,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52075 states, 52074 states have (on average 2.747321119944694) internal successors, (143064), 52074 states have internal predecessors, (143064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:53,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52075 states to 52075 states and 143064 transitions. [2022-01-28 13:06:53,617 INFO L78 Accepts]: Start accepts. Automaton has 52075 states and 143064 transitions. Word has length 163 [2022-01-28 13:06:53,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:06:53,617 INFO L470 AbstractCegarLoop]: Abstraction has 52075 states and 143064 transitions. [2022-01-28 13:06:53,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:53,617 INFO L276 IsEmpty]: Start isEmpty. Operand 52075 states and 143064 transitions. [2022-01-28 13:06:53,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:06:53,679 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:06:53,679 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] [2022-01-28 13:06:53,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-28 13:06:53,679 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:06:53,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:06:53,680 INFO L85 PathProgramCache]: Analyzing trace with hash 2030129496, now seen corresponding path program 24 times [2022-01-28 13:06:53,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:06:53,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202111748] [2022-01-28 13:06:53,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:06:53,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:06:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:06:54,252 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 13:06:54,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:06:54,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202111748] [2022-01-28 13:06:54,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202111748] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:06:54,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:06:54,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:06:54,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077852635] [2022-01-28 13:06:54,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:06:54,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:06:54,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:06:54,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:06:54,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:06:54,254 INFO L87 Difference]: Start difference. First operand 52075 states and 143064 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:56,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:06:56,738 INFO L93 Difference]: Finished difference Result 118681 states and 326950 transitions. [2022-01-28 13:06:56,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-28 13:06:56,738 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:06:56,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:06:57,007 INFO L225 Difference]: With dead ends: 118681 [2022-01-28 13:06:57,008 INFO L226 Difference]: Without dead ends: 118515 [2022-01-28 13:06:57,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=566, Invalid=2190, Unknown=0, NotChecked=0, Total=2756 [2022-01-28 13:06:57,008 INFO L933 BasicCegarLoop]: 916 mSDtfsCounter, 2997 mSDsluCounter, 10843 mSDsCounter, 0 mSdLazyCounter, 2152 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2997 SdHoareTripleChecker+Valid, 11668 SdHoareTripleChecker+Invalid, 2185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:06:57,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2997 Valid, 11668 Invalid, 2185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2152 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:06:57,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118515 states. [2022-01-28 13:06:58,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118515 to 52039. [2022-01-28 13:06:58,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52039 states, 52038 states have (on average 2.747319266689727) internal successors, (142965), 52038 states have internal predecessors, (142965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:58,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52039 states to 52039 states and 142965 transitions. [2022-01-28 13:06:58,845 INFO L78 Accepts]: Start accepts. Automaton has 52039 states and 142965 transitions. Word has length 163 [2022-01-28 13:06:58,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:06:58,845 INFO L470 AbstractCegarLoop]: Abstraction has 52039 states and 142965 transitions. [2022-01-28 13:06:58,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:06:58,845 INFO L276 IsEmpty]: Start isEmpty. Operand 52039 states and 142965 transitions. [2022-01-28 13:06:58,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:06:58,904 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:06:58,904 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] [2022-01-28 13:06:58,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-28 13:06:58,904 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:06:58,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:06:58,904 INFO L85 PathProgramCache]: Analyzing trace with hash 67087584, now seen corresponding path program 25 times [2022-01-28 13:06:58,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:06:58,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980624885] [2022-01-28 13:06:58,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:06:58,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:06:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:06:59,178 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 13:06:59,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:06:59,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980624885] [2022-01-28 13:06:59,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980624885] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:06:59,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:06:59,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:06:59,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51663238] [2022-01-28 13:06:59,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:06:59,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:06:59,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:06:59,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:06:59,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:06:59,180 INFO L87 Difference]: Start difference. First operand 52039 states and 142965 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:01,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:07:01,714 INFO L93 Difference]: Finished difference Result 119002 states and 327724 transitions. [2022-01-28 13:07:01,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-28 13:07:01,714 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:07:01,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:07:02,214 INFO L225 Difference]: With dead ends: 119002 [2022-01-28 13:07:02,214 INFO L226 Difference]: Without dead ends: 118664 [2022-01-28 13:07:02,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 764 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=625, Invalid=2567, Unknown=0, NotChecked=0, Total=3192 [2022-01-28 13:07:02,215 INFO L933 BasicCegarLoop]: 945 mSDtfsCounter, 3281 mSDsluCounter, 11069 mSDsCounter, 0 mSdLazyCounter, 2243 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3281 SdHoareTripleChecker+Valid, 11910 SdHoareTripleChecker+Invalid, 2276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-28 13:07:02,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3281 Valid, 11910 Invalid, 2276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2243 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-28 13:07:02,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118664 states. [2022-01-28 13:07:03,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118664 to 51859. [2022-01-28 13:07:03,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51859 states, 51858 states have (on average 2.748544101199429) internal successors, (142534), 51858 states have internal predecessors, (142534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:04,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51859 states to 51859 states and 142534 transitions. [2022-01-28 13:07:04,032 INFO L78 Accepts]: Start accepts. Automaton has 51859 states and 142534 transitions. Word has length 163 [2022-01-28 13:07:04,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:07:04,032 INFO L470 AbstractCegarLoop]: Abstraction has 51859 states and 142534 transitions. [2022-01-28 13:07:04,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:04,033 INFO L276 IsEmpty]: Start isEmpty. Operand 51859 states and 142534 transitions. [2022-01-28 13:07:04,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:07:04,086 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:07:04,086 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] [2022-01-28 13:07:04,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-28 13:07:04,086 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:07:04,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:07:04,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1325673540, now seen corresponding path program 26 times [2022-01-28 13:07:04,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:07:04,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809056047] [2022-01-28 13:07:04,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:07:04,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:07:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:07:04,377 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 13:07:04,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:07:04,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809056047] [2022-01-28 13:07:04,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809056047] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:07:04,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:07:04,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:07:04,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070210519] [2022-01-28 13:07:04,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:07:04,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:07:04,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:07:04,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:07:04,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:07:04,379 INFO L87 Difference]: Start difference. First operand 51859 states and 142534 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:07,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:07:07,082 INFO L93 Difference]: Finished difference Result 124702 states and 343308 transitions. [2022-01-28 13:07:07,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-28 13:07:07,083 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:07:07,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:07:07,374 INFO L225 Difference]: With dead ends: 124702 [2022-01-28 13:07:07,374 INFO L226 Difference]: Without dead ends: 124297 [2022-01-28 13:07:07,375 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1029 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=734, Invalid=3048, Unknown=0, NotChecked=0, Total=3782 [2022-01-28 13:07:07,375 INFO L933 BasicCegarLoop]: 992 mSDtfsCounter, 3467 mSDsluCounter, 12210 mSDsCounter, 0 mSdLazyCounter, 2387 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3467 SdHoareTripleChecker+Valid, 13083 SdHoareTripleChecker+Invalid, 2421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:07:07,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3467 Valid, 13083 Invalid, 2421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2387 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:07:07,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124297 states. [2022-01-28 13:07:09,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124297 to 52067. [2022-01-28 13:07:09,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52067 states, 52066 states have (on average 2.7475511850343795) internal successors, (143054), 52066 states have internal predecessors, (143054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:09,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52067 states to 52067 states and 143054 transitions. [2022-01-28 13:07:09,310 INFO L78 Accepts]: Start accepts. Automaton has 52067 states and 143054 transitions. Word has length 163 [2022-01-28 13:07:09,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:07:09,310 INFO L470 AbstractCegarLoop]: Abstraction has 52067 states and 143054 transitions. [2022-01-28 13:07:09,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:09,310 INFO L276 IsEmpty]: Start isEmpty. Operand 52067 states and 143054 transitions. [2022-01-28 13:07:09,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:07:09,630 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:07:09,631 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] [2022-01-28 13:07:09,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-28 13:07:09,631 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:07:09,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:07:09,631 INFO L85 PathProgramCache]: Analyzing trace with hash 278360420, now seen corresponding path program 27 times [2022-01-28 13:07:09,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:07:09,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386767330] [2022-01-28 13:07:09,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:07:09,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:07:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:07:09,906 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 13:07:09,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:07:09,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386767330] [2022-01-28 13:07:09,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386767330] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:07:09,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:07:09,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:07:09,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875702831] [2022-01-28 13:07:09,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:07:09,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:07:09,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:07:09,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:07:09,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:07:09,908 INFO L87 Difference]: Start difference. First operand 52067 states and 143054 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:12,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:07:12,495 INFO L93 Difference]: Finished difference Result 124016 states and 341748 transitions. [2022-01-28 13:07:12,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-28 13:07:12,496 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:07:12,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:07:12,753 INFO L225 Difference]: With dead ends: 124016 [2022-01-28 13:07:12,753 INFO L226 Difference]: Without dead ends: 123877 [2022-01-28 13:07:12,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 922 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=717, Invalid=2823, Unknown=0, NotChecked=0, Total=3540 [2022-01-28 13:07:12,754 INFO L933 BasicCegarLoop]: 944 mSDtfsCounter, 3180 mSDsluCounter, 11945 mSDsCounter, 0 mSdLazyCounter, 2260 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3180 SdHoareTripleChecker+Valid, 12779 SdHoareTripleChecker+Invalid, 2307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:07:12,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3180 Valid, 12779 Invalid, 2307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2260 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:07:12,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123877 states. [2022-01-28 13:07:14,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123877 to 52115. [2022-01-28 13:07:14,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52115 states, 52114 states have (on average 2.747323176113904) internal successors, (143174), 52114 states have internal predecessors, (143174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:14,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52115 states to 52115 states and 143174 transitions. [2022-01-28 13:07:14,527 INFO L78 Accepts]: Start accepts. Automaton has 52115 states and 143174 transitions. Word has length 163 [2022-01-28 13:07:14,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:07:14,527 INFO L470 AbstractCegarLoop]: Abstraction has 52115 states and 143174 transitions. [2022-01-28 13:07:14,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:14,527 INFO L276 IsEmpty]: Start isEmpty. Operand 52115 states and 143174 transitions. [2022-01-28 13:07:14,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:07:14,578 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:07:14,579 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] [2022-01-28 13:07:14,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-28 13:07:14,579 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:07:14,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:07:14,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1077979552, now seen corresponding path program 28 times [2022-01-28 13:07:14,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:07:14,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063832126] [2022-01-28 13:07:14,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:07:14,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:07:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:07:14,859 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 13:07:14,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:07:14,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063832126] [2022-01-28 13:07:14,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063832126] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:07:14,859 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:07:14,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:07:14,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016161237] [2022-01-28 13:07:14,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:07:14,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:07:14,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:07:14,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:07:14,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:07:14,860 INFO L87 Difference]: Start difference. First operand 52115 states and 143174 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:17,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:07:17,811 INFO L93 Difference]: Finished difference Result 123940 states and 341552 transitions. [2022-01-28 13:07:17,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-28 13:07:17,811 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:07:17,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:07:18,071 INFO L225 Difference]: With dead ends: 123940 [2022-01-28 13:07:18,071 INFO L226 Difference]: Without dead ends: 123774 [2022-01-28 13:07:18,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 747 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=632, Invalid=2448, Unknown=0, NotChecked=0, Total=3080 [2022-01-28 13:07:18,072 INFO L933 BasicCegarLoop]: 940 mSDtfsCounter, 3310 mSDsluCounter, 11592 mSDsCounter, 0 mSdLazyCounter, 2221 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3310 SdHoareTripleChecker+Valid, 12433 SdHoareTripleChecker+Invalid, 2256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-28 13:07:18,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3310 Valid, 12433 Invalid, 2256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2221 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-28 13:07:18,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123774 states. [2022-01-28 13:07:19,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123774 to 52079. [2022-01-28 13:07:19,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52079 states, 52078 states have (on average 2.747321325703752) internal successors, (143075), 52078 states have internal predecessors, (143075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:19,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52079 states to 52079 states and 143075 transitions. [2022-01-28 13:07:19,888 INFO L78 Accepts]: Start accepts. Automaton has 52079 states and 143075 transitions. Word has length 163 [2022-01-28 13:07:19,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:07:19,888 INFO L470 AbstractCegarLoop]: Abstraction has 52079 states and 143075 transitions. [2022-01-28 13:07:19,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:19,888 INFO L276 IsEmpty]: Start isEmpty. Operand 52079 states and 143075 transitions. [2022-01-28 13:07:19,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:07:19,944 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:07:19,944 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] [2022-01-28 13:07:19,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-28 13:07:19,944 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:07:19,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:07:19,945 INFO L85 PathProgramCache]: Analyzing trace with hash -885062360, now seen corresponding path program 29 times [2022-01-28 13:07:19,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:07:19,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176331455] [2022-01-28 13:07:19,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:07:19,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:07:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:07:20,210 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 13:07:20,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:07:20,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176331455] [2022-01-28 13:07:20,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176331455] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:07:20,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:07:20,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:07:20,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974415342] [2022-01-28 13:07:20,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:07:20,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:07:20,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:07:20,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:07:20,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:07:20,211 INFO L87 Difference]: Start difference. First operand 52079 states and 143075 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:22,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:07:22,995 INFO L93 Difference]: Finished difference Result 124261 states and 342326 transitions. [2022-01-28 13:07:22,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-28 13:07:22,995 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:07:22,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:07:23,487 INFO L225 Difference]: With dead ends: 124261 [2022-01-28 13:07:23,487 INFO L226 Difference]: Without dead ends: 123935 [2022-01-28 13:07:23,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 959 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=720, Invalid=2940, Unknown=0, NotChecked=0, Total=3660 [2022-01-28 13:07:23,488 INFO L933 BasicCegarLoop]: 965 mSDtfsCounter, 3003 mSDsluCounter, 12315 mSDsCounter, 0 mSdLazyCounter, 2423 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3003 SdHoareTripleChecker+Valid, 13167 SdHoareTripleChecker+Invalid, 2460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:07:23,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3003 Valid, 13167 Invalid, 2460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 2423 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:07:23,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123935 states. [2022-01-28 13:07:24,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123935 to 51911. [2022-01-28 13:07:24,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51911 states, 51910 states have (on average 2.747543825852437) internal successors, (142625), 51910 states have internal predecessors, (142625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:25,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51911 states to 51911 states and 142625 transitions. [2022-01-28 13:07:25,307 INFO L78 Accepts]: Start accepts. Automaton has 51911 states and 142625 transitions. Word has length 163 [2022-01-28 13:07:25,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:07:25,307 INFO L470 AbstractCegarLoop]: Abstraction has 51911 states and 142625 transitions. [2022-01-28 13:07:25,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:25,307 INFO L276 IsEmpty]: Start isEmpty. Operand 51911 states and 142625 transitions. [2022-01-28 13:07:25,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:07:25,360 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:07:25,360 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] [2022-01-28 13:07:25,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-28 13:07:25,360 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:07:25,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:07:25,361 INFO L85 PathProgramCache]: Analyzing trace with hash -277761852, now seen corresponding path program 30 times [2022-01-28 13:07:25,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:07:25,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378829812] [2022-01-28 13:07:25,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:07:25,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:07:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:07:25,657 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 13:07:25,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:07:25,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378829812] [2022-01-28 13:07:25,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378829812] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:07:25,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:07:25,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:07:25,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254148214] [2022-01-28 13:07:25,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:07:25,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:07:25,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:07:25,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:07:25,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:07:25,659 INFO L87 Difference]: Start difference. First operand 51911 states and 142625 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:28,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:07:28,221 INFO L93 Difference]: Finished difference Result 123252 states and 339647 transitions. [2022-01-28 13:07:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-28 13:07:28,221 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:07:28,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:07:28,488 INFO L225 Difference]: With dead ends: 123252 [2022-01-28 13:07:28,489 INFO L226 Difference]: Without dead ends: 123113 [2022-01-28 13:07:28,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 928 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=730, Invalid=2810, Unknown=0, NotChecked=0, Total=3540 [2022-01-28 13:07:28,489 INFO L933 BasicCegarLoop]: 938 mSDtfsCounter, 3238 mSDsluCounter, 11569 mSDsCounter, 0 mSdLazyCounter, 2189 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3238 SdHoareTripleChecker+Valid, 12405 SdHoareTripleChecker+Invalid, 2234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 2189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:07:28,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3238 Valid, 12405 Invalid, 2234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 2189 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:07:28,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123113 states. [2022-01-28 13:07:30,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123113 to 51963. [2022-01-28 13:07:30,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51963 states, 51962 states have (on average 2.747315345829645) internal successors, (142756), 51962 states have internal predecessors, (142756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:30,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51963 states to 51963 states and 142756 transitions. [2022-01-28 13:07:30,298 INFO L78 Accepts]: Start accepts. Automaton has 51963 states and 142756 transitions. Word has length 163 [2022-01-28 13:07:30,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:07:30,299 INFO L470 AbstractCegarLoop]: Abstraction has 51963 states and 142756 transitions. [2022-01-28 13:07:30,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:30,299 INFO L276 IsEmpty]: Start isEmpty. Operand 51963 states and 142756 transitions. [2022-01-28 13:07:30,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:07:30,348 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:07:30,349 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] [2022-01-28 13:07:30,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-28 13:07:30,349 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:07:30,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:07:30,349 INFO L85 PathProgramCache]: Analyzing trace with hash 521857280, now seen corresponding path program 31 times [2022-01-28 13:07:30,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:07:30,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774963310] [2022-01-28 13:07:30,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:07:30,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:07:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:07:30,888 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 13:07:30,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:07:30,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774963310] [2022-01-28 13:07:30,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774963310] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:07:30,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:07:30,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:07:30,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145842908] [2022-01-28 13:07:30,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:07:30,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:07:30,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:07:30,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:07:30,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:07:30,890 INFO L87 Difference]: Start difference. First operand 51963 states and 142756 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:33,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:07:33,320 INFO L93 Difference]: Finished difference Result 123224 states and 339567 transitions. [2022-01-28 13:07:33,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-28 13:07:33,320 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:07:33,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:07:33,582 INFO L225 Difference]: With dead ends: 123224 [2022-01-28 13:07:33,582 INFO L226 Difference]: Without dead ends: 123058 [2022-01-28 13:07:33,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 747 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=637, Invalid=2443, Unknown=0, NotChecked=0, Total=3080 [2022-01-28 13:07:33,583 INFO L933 BasicCegarLoop]: 934 mSDtfsCounter, 3154 mSDsluCounter, 11545 mSDsCounter, 0 mSdLazyCounter, 2165 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3154 SdHoareTripleChecker+Valid, 12380 SdHoareTripleChecker+Invalid, 2197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:07:33,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3154 Valid, 12380 Invalid, 2197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2165 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:07:33,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123058 states. [2022-01-28 13:07:35,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123058 to 51927. [2022-01-28 13:07:35,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51927 states, 51926 states have (on average 2.7473134845742018) internal successors, (142657), 51926 states have internal predecessors, (142657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:35,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51927 states to 51927 states and 142657 transitions. [2022-01-28 13:07:35,401 INFO L78 Accepts]: Start accepts. Automaton has 51927 states and 142657 transitions. Word has length 163 [2022-01-28 13:07:35,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:07:35,402 INFO L470 AbstractCegarLoop]: Abstraction has 51927 states and 142657 transitions. [2022-01-28 13:07:35,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:35,402 INFO L276 IsEmpty]: Start isEmpty. Operand 51927 states and 142657 transitions. [2022-01-28 13:07:35,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:07:35,453 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:07:35,453 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] [2022-01-28 13:07:35,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-28 13:07:35,453 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:07:35,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:07:35,453 INFO L85 PathProgramCache]: Analyzing trace with hash 241127364, now seen corresponding path program 32 times [2022-01-28 13:07:35,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:07:35,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398970738] [2022-01-28 13:07:35,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:07:35,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:07:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:07:35,736 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 13:07:35,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:07:35,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398970738] [2022-01-28 13:07:35,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398970738] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:07:35,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:07:35,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:07:35,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134728995] [2022-01-28 13:07:35,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:07:35,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:07:35,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:07:35,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:07:35,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:07:35,738 INFO L87 Difference]: Start difference. First operand 51927 states and 142657 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:38,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:07:38,613 INFO L93 Difference]: Finished difference Result 123454 states and 340093 transitions. [2022-01-28 13:07:38,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-28 13:07:38,613 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:07:38,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:07:38,910 INFO L225 Difference]: With dead ends: 123454 [2022-01-28 13:07:38,910 INFO L226 Difference]: Without dead ends: 123284 [2022-01-28 13:07:38,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 920 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=709, Invalid=2831, Unknown=0, NotChecked=0, Total=3540 [2022-01-28 13:07:38,911 INFO L933 BasicCegarLoop]: 958 mSDtfsCounter, 3477 mSDsluCounter, 11341 mSDsCounter, 0 mSdLazyCounter, 2224 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3477 SdHoareTripleChecker+Valid, 12200 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:07:38,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3477 Valid, 12200 Invalid, 2260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2224 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:07:39,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123284 states. [2022-01-28 13:07:40,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123284 to 51915. [2022-01-28 13:07:40,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51915 states, 51914 states have (on average 2.7474669645952923) internal successors, (142632), 51914 states have internal predecessors, (142632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:40,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51915 states to 51915 states and 142632 transitions. [2022-01-28 13:07:40,767 INFO L78 Accepts]: Start accepts. Automaton has 51915 states and 142632 transitions. Word has length 163 [2022-01-28 13:07:40,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:07:40,767 INFO L470 AbstractCegarLoop]: Abstraction has 51915 states and 142632 transitions. [2022-01-28 13:07:40,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:40,767 INFO L276 IsEmpty]: Start isEmpty. Operand 51915 states and 142632 transitions. [2022-01-28 13:07:40,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:07:40,820 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:07:40,820 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] [2022-01-28 13:07:40,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-28 13:07:40,821 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:07:40,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:07:40,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1085879296, now seen corresponding path program 33 times [2022-01-28 13:07:40,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:07:40,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392597277] [2022-01-28 13:07:40,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:07:40,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:07:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:07:41,129 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 13:07:41,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:07:41,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392597277] [2022-01-28 13:07:41,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392597277] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:07:41,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:07:41,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:07:41,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208501290] [2022-01-28 13:07:41,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:07:41,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:07:41,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:07:41,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:07:41,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:07:41,131 INFO L87 Difference]: Start difference. First operand 51915 states and 142632 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:43,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:07:43,984 INFO L93 Difference]: Finished difference Result 122777 states and 338352 transitions. [2022-01-28 13:07:43,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-28 13:07:43,985 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:07:43,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:07:44,314 INFO L225 Difference]: With dead ends: 122777 [2022-01-28 13:07:44,314 INFO L226 Difference]: Without dead ends: 122638 [2022-01-28 13:07:44,315 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 803 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=697, Invalid=2609, Unknown=0, NotChecked=0, Total=3306 [2022-01-28 13:07:44,315 INFO L933 BasicCegarLoop]: 928 mSDtfsCounter, 3209 mSDsluCounter, 11508 mSDsCounter, 0 mSdLazyCounter, 2138 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3209 SdHoareTripleChecker+Valid, 12336 SdHoareTripleChecker+Invalid, 2188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-28 13:07:44,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3209 Valid, 12336 Invalid, 2188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2138 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-28 13:07:44,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122638 states. [2022-01-28 13:07:45,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122638 to 51963. [2022-01-28 13:07:45,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51963 states, 51962 states have (on average 2.7472383664985953) internal successors, (142752), 51962 states have internal predecessors, (142752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:46,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51963 states to 51963 states and 142752 transitions. [2022-01-28 13:07:46,097 INFO L78 Accepts]: Start accepts. Automaton has 51963 states and 142752 transitions. Word has length 163 [2022-01-28 13:07:46,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:07:46,097 INFO L470 AbstractCegarLoop]: Abstraction has 51963 states and 142752 transitions. [2022-01-28 13:07:46,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:46,098 INFO L276 IsEmpty]: Start isEmpty. Operand 51963 states and 142752 transitions. [2022-01-28 13:07:46,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:07:46,150 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:07:46,150 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] [2022-01-28 13:07:46,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-28 13:07:46,150 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:07:46,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:07:46,151 INFO L85 PathProgramCache]: Analyzing trace with hash -286260164, now seen corresponding path program 34 times [2022-01-28 13:07:46,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:07:46,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722994465] [2022-01-28 13:07:46,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:07:46,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:07:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:07:46,438 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 13:07:46,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:07:46,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722994465] [2022-01-28 13:07:46,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722994465] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:07:46,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:07:46,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:07:46,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887994960] [2022-01-28 13:07:46,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:07:46,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:07:46,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:07:46,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:07:46,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:07:46,440 INFO L87 Difference]: Start difference. First operand 51963 states and 142752 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:49,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:07:49,223 INFO L93 Difference]: Finished difference Result 122768 states and 338322 transitions. [2022-01-28 13:07:49,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-28 13:07:49,223 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:07:49,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:07:49,493 INFO L225 Difference]: With dead ends: 122768 [2022-01-28 13:07:49,493 INFO L226 Difference]: Without dead ends: 122602 [2022-01-28 13:07:49,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=643, Invalid=2549, Unknown=0, NotChecked=0, Total=3192 [2022-01-28 13:07:49,494 INFO L933 BasicCegarLoop]: 943 mSDtfsCounter, 3369 mSDsluCounter, 11629 mSDsCounter, 0 mSdLazyCounter, 2157 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3369 SdHoareTripleChecker+Valid, 12458 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:07:49,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3369 Valid, 12458 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2157 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:07:49,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122602 states. [2022-01-28 13:07:51,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122602 to 51927. [2022-01-28 13:07:51,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51927 states, 51926 states have (on average 2.7472364518738206) internal successors, (142653), 51926 states have internal predecessors, (142653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:51,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51927 states to 51927 states and 142653 transitions. [2022-01-28 13:07:51,263 INFO L78 Accepts]: Start accepts. Automaton has 51927 states and 142653 transitions. Word has length 163 [2022-01-28 13:07:51,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:07:51,263 INFO L470 AbstractCegarLoop]: Abstraction has 51927 states and 142653 transitions. [2022-01-28 13:07:51,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:51,263 INFO L276 IsEmpty]: Start isEmpty. Operand 51927 states and 142653 transitions. [2022-01-28 13:07:51,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:07:51,313 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:07:51,313 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] [2022-01-28 13:07:51,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-01-28 13:07:51,314 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:07:51,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:07:51,314 INFO L85 PathProgramCache]: Analyzing trace with hash -17625148, now seen corresponding path program 35 times [2022-01-28 13:07:51,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:07:51,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52209939] [2022-01-28 13:07:51,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:07:51,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:07:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:07:51,585 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 13:07:51,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:07:51,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52209939] [2022-01-28 13:07:51,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52209939] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:07:51,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:07:51,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:07:51,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322935306] [2022-01-28 13:07:51,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:07:51,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:07:51,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:07:51,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:07:51,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:07:51,587 INFO L87 Difference]: Start difference. First operand 51927 states and 142653 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:54,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:07:54,051 INFO L93 Difference]: Finished difference Result 122599 states and 337929 transitions. [2022-01-28 13:07:54,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-28 13:07:54,052 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:07:54,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:07:54,308 INFO L225 Difference]: With dead ends: 122599 [2022-01-28 13:07:54,308 INFO L226 Difference]: Without dead ends: 122329 [2022-01-28 13:07:54,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 723 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=608, Invalid=2472, Unknown=0, NotChecked=0, Total=3080 [2022-01-28 13:07:54,308 INFO L933 BasicCegarLoop]: 966 mSDtfsCounter, 2955 mSDsluCounter, 12282 mSDsCounter, 0 mSdLazyCounter, 2296 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2955 SdHoareTripleChecker+Valid, 13123 SdHoareTripleChecker+Invalid, 2327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:07:54,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2955 Valid, 13123 Invalid, 2327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2296 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:07:54,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122329 states. [2022-01-28 13:07:55,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122329 to 51803. [2022-01-28 13:07:55,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51803 states, 51802 states have (on average 2.7486197444114127) internal successors, (142384), 51802 states have internal predecessors, (142384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:56,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51803 states to 51803 states and 142384 transitions. [2022-01-28 13:07:56,043 INFO L78 Accepts]: Start accepts. Automaton has 51803 states and 142384 transitions. Word has length 163 [2022-01-28 13:07:56,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:07:56,044 INFO L470 AbstractCegarLoop]: Abstraction has 51803 states and 142384 transitions. [2022-01-28 13:07:56,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:56,044 INFO L276 IsEmpty]: Start isEmpty. Operand 51803 states and 142384 transitions. [2022-01-28 13:07:56,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:07:56,345 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:07:56,345 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] [2022-01-28 13:07:56,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-01-28 13:07:56,345 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:07:56,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:07:56,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1935848428, now seen corresponding path program 36 times [2022-01-28 13:07:56,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:07:56,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241582953] [2022-01-28 13:07:56,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:07:56,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:07:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:07:56,618 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 13:07:56,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:07:56,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241582953] [2022-01-28 13:07:56,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241582953] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:07:56,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:07:56,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:07:56,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429958151] [2022-01-28 13:07:56,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:07:56,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:07:56,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:07:56,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:07:56,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:07:56,620 INFO L87 Difference]: Start difference. First operand 51803 states and 142384 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:07:58,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:07:58,865 INFO L93 Difference]: Finished difference Result 119493 states and 328919 transitions. [2022-01-28 13:07:58,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-28 13:07:58,866 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:07:58,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:07:59,114 INFO L225 Difference]: With dead ends: 119493 [2022-01-28 13:07:59,114 INFO L226 Difference]: Without dead ends: 119012 [2022-01-28 13:07:59,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 669 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=557, Invalid=2305, Unknown=0, NotChecked=0, Total=2862 [2022-01-28 13:07:59,114 INFO L933 BasicCegarLoop]: 946 mSDtfsCounter, 3235 mSDsluCounter, 11472 mSDsCounter, 0 mSdLazyCounter, 1948 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3235 SdHoareTripleChecker+Valid, 12312 SdHoareTripleChecker+Invalid, 1981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:07:59,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3235 Valid, 12312 Invalid, 1981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1948 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-28 13:07:59,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119012 states. [2022-01-28 13:08:00,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119012 to 51851. [2022-01-28 13:08:00,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51851 states, 51850 states have (on average 2.7483895853423337) internal successors, (142504), 51850 states have internal predecessors, (142504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:00,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51851 states to 51851 states and 142504 transitions. [2022-01-28 13:08:00,850 INFO L78 Accepts]: Start accepts. Automaton has 51851 states and 142504 transitions. Word has length 163 [2022-01-28 13:08:00,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:08:00,850 INFO L470 AbstractCegarLoop]: Abstraction has 51851 states and 142504 transitions. [2022-01-28 13:08:00,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:00,850 INFO L276 IsEmpty]: Start isEmpty. Operand 51851 states and 142504 transitions. [2022-01-28 13:08:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:08:00,902 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:08:00,902 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] [2022-01-28 13:08:00,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-01-28 13:08:00,902 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:08:00,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:08:00,903 INFO L85 PathProgramCache]: Analyzing trace with hash 800845134, now seen corresponding path program 37 times [2022-01-28 13:08:00,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:08:00,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349460733] [2022-01-28 13:08:00,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:08:00,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:08:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:08:01,195 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 13:08:01,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:08:01,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349460733] [2022-01-28 13:08:01,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349460733] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:08:01,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:08:01,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:08:01,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320953638] [2022-01-28 13:08:01,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:08:01,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:08:01,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:08:01,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:08:01,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:08:01,197 INFO L87 Difference]: Start difference. First operand 51851 states and 142504 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:03,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:08:03,713 INFO L93 Difference]: Finished difference Result 121174 states and 333218 transitions. [2022-01-28 13:08:03,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-28 13:08:03,714 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:08:03,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:08:04,202 INFO L225 Difference]: With dead ends: 121174 [2022-01-28 13:08:04,203 INFO L226 Difference]: Without dead ends: 120750 [2022-01-28 13:08:04,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=590, Invalid=2490, Unknown=0, NotChecked=0, Total=3080 [2022-01-28 13:08:04,203 INFO L933 BasicCegarLoop]: 938 mSDtfsCounter, 3573 mSDsluCounter, 11469 mSDsCounter, 0 mSdLazyCounter, 2086 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3573 SdHoareTripleChecker+Valid, 12297 SdHoareTripleChecker+Invalid, 2120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:08:04,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3573 Valid, 12297 Invalid, 2120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2086 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:08:04,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120750 states. [2022-01-28 13:08:05,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120750 to 51863. [2022-01-28 13:08:05,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51863 states, 51862 states have (on average 2.748312830203232) internal successors, (142533), 51862 states have internal predecessors, (142533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:05,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51863 states to 51863 states and 142533 transitions. [2022-01-28 13:08:05,956 INFO L78 Accepts]: Start accepts. Automaton has 51863 states and 142533 transitions. Word has length 163 [2022-01-28 13:08:05,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:08:05,956 INFO L470 AbstractCegarLoop]: Abstraction has 51863 states and 142533 transitions. [2022-01-28 13:08:05,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:05,957 INFO L276 IsEmpty]: Start isEmpty. Operand 51863 states and 142533 transitions. [2022-01-28 13:08:06,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:08:06,005 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:08:06,005 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] [2022-01-28 13:08:06,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-01-28 13:08:06,006 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:08:06,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:08:06,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1638965852, now seen corresponding path program 38 times [2022-01-28 13:08:06,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:08:06,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367067806] [2022-01-28 13:08:06,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:08:06,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:08:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:08:06,298 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 13:08:06,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:08:06,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367067806] [2022-01-28 13:08:06,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367067806] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:08:06,299 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:08:06,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:08:06,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921816134] [2022-01-28 13:08:06,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:08:06,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:08:06,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:08:06,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:08:06,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:08:06,300 INFO L87 Difference]: Start difference. First operand 51863 states and 142533 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:08,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:08:08,866 INFO L93 Difference]: Finished difference Result 120744 states and 332194 transitions. [2022-01-28 13:08:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-28 13:08:08,867 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:08:08,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:08:09,143 INFO L225 Difference]: With dead ends: 120744 [2022-01-28 13:08:09,143 INFO L226 Difference]: Without dead ends: 120339 [2022-01-28 13:08:09,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 816 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=613, Invalid=2693, Unknown=0, NotChecked=0, Total=3306 [2022-01-28 13:08:09,144 INFO L933 BasicCegarLoop]: 943 mSDtfsCounter, 2961 mSDsluCounter, 12374 mSDsCounter, 0 mSdLazyCounter, 2224 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2961 SdHoareTripleChecker+Valid, 13188 SdHoareTripleChecker+Invalid, 2257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:08:09,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2961 Valid, 13188 Invalid, 2257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2224 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:08:09,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120339 states. [2022-01-28 13:08:10,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120339 to 52019. [2022-01-28 13:08:10,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52019 states, 52018 states have (on average 2.7473182359952326) internal successors, (142910), 52018 states have internal predecessors, (142910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:10,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52019 states to 52019 states and 142910 transitions. [2022-01-28 13:08:10,941 INFO L78 Accepts]: Start accepts. Automaton has 52019 states and 142910 transitions. Word has length 163 [2022-01-28 13:08:10,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:08:10,941 INFO L470 AbstractCegarLoop]: Abstraction has 52019 states and 142910 transitions. [2022-01-28 13:08:10,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:10,942 INFO L276 IsEmpty]: Start isEmpty. Operand 52019 states and 142910 transitions. [2022-01-28 13:08:10,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:08:10,999 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:08:10,999 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] [2022-01-28 13:08:10,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-01-28 13:08:10,999 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:08:10,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:08:10,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1608688324, now seen corresponding path program 39 times [2022-01-28 13:08:10,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:08:11,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355500357] [2022-01-28 13:08:11,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:08:11,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:08:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:08:11,530 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 13:08:11,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:08:11,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355500357] [2022-01-28 13:08:11,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355500357] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:08:11,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:08:11,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:08:11,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020276432] [2022-01-28 13:08:11,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:08:11,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:08:11,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:08:11,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:08:11,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:08:11,531 INFO L87 Difference]: Start difference. First operand 52019 states and 142910 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:13,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:08:13,869 INFO L93 Difference]: Finished difference Result 119361 states and 328794 transitions. [2022-01-28 13:08:13,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-28 13:08:13,869 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:08:13,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:08:14,132 INFO L225 Difference]: With dead ends: 119361 [2022-01-28 13:08:14,132 INFO L226 Difference]: Without dead ends: 119222 [2022-01-28 13:08:14,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=583, Invalid=2387, Unknown=0, NotChecked=0, Total=2970 [2022-01-28 13:08:14,133 INFO L933 BasicCegarLoop]: 891 mSDtfsCounter, 2794 mSDsluCounter, 11138 mSDsCounter, 0 mSdLazyCounter, 1908 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2794 SdHoareTripleChecker+Valid, 11934 SdHoareTripleChecker+Invalid, 1954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:08:14,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2794 Valid, 11934 Invalid, 1954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1908 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-28 13:08:14,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119222 states. [2022-01-28 13:08:15,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119222 to 52067. [2022-01-28 13:08:15,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52067 states, 52066 states have (on average 2.747090231629086) internal successors, (143030), 52066 states have internal predecessors, (143030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:15,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52067 states to 52067 states and 143030 transitions. [2022-01-28 13:08:15,928 INFO L78 Accepts]: Start accepts. Automaton has 52067 states and 143030 transitions. Word has length 163 [2022-01-28 13:08:15,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:08:15,928 INFO L470 AbstractCegarLoop]: Abstraction has 52067 states and 143030 transitions. [2022-01-28 13:08:15,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:15,928 INFO L276 IsEmpty]: Start isEmpty. Operand 52067 states and 143030 transitions. [2022-01-28 13:08:15,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:08:15,993 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:08:15,993 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] [2022-01-28 13:08:15,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-01-28 13:08:15,993 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:08:15,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:08:15,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1886659840, now seen corresponding path program 40 times [2022-01-28 13:08:15,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:08:15,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784695694] [2022-01-28 13:08:15,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:08:15,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:08:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:08:16,288 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 13:08:16,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:08:16,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784695694] [2022-01-28 13:08:16,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784695694] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:08:16,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:08:16,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:08:16,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12753261] [2022-01-28 13:08:16,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:08:16,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:08:16,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:08:16,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:08:16,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:08:16,290 INFO L87 Difference]: Start difference. First operand 52067 states and 143030 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:18,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:08:18,615 INFO L93 Difference]: Finished difference Result 119285 states and 328598 transitions. [2022-01-28 13:08:18,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-28 13:08:18,615 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:08:18,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:08:18,888 INFO L225 Difference]: With dead ends: 119285 [2022-01-28 13:08:18,888 INFO L226 Difference]: Without dead ends: 119119 [2022-01-28 13:08:18,888 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 534 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=519, Invalid=2031, Unknown=0, NotChecked=0, Total=2550 [2022-01-28 13:08:18,888 INFO L933 BasicCegarLoop]: 887 mSDtfsCounter, 2543 mSDsluCounter, 11805 mSDsCounter, 0 mSdLazyCounter, 1993 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2543 SdHoareTripleChecker+Valid, 12592 SdHoareTripleChecker+Invalid, 2028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:08:18,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2543 Valid, 12592 Invalid, 2028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1993 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:08:19,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119119 states. [2022-01-28 13:08:20,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119119 to 52031. [2022-01-28 13:08:20,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52031 states, 52030 states have (on average 2.7470882183355756) internal successors, (142931), 52030 states have internal predecessors, (142931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:20,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52031 states to 52031 states and 142931 transitions. [2022-01-28 13:08:20,977 INFO L78 Accepts]: Start accepts. Automaton has 52031 states and 142931 transitions. Word has length 163 [2022-01-28 13:08:20,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:08:20,978 INFO L470 AbstractCegarLoop]: Abstraction has 52031 states and 142931 transitions. [2022-01-28 13:08:20,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:20,978 INFO L276 IsEmpty]: Start isEmpty. Operand 52031 states and 142931 transitions. [2022-01-28 13:08:21,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:08:21,046 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:08:21,046 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] [2022-01-28 13:08:21,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-01-28 13:08:21,046 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:08:21,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:08:21,047 INFO L85 PathProgramCache]: Analyzing trace with hash 445265544, now seen corresponding path program 41 times [2022-01-28 13:08:21,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:08:21,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543568542] [2022-01-28 13:08:21,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:08:21,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:08:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:08:21,309 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 13:08:21,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:08:21,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543568542] [2022-01-28 13:08:21,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543568542] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:08:21,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:08:21,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:08:21,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645246050] [2022-01-28 13:08:21,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:08:21,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:08:21,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:08:21,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:08:21,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:08:21,311 INFO L87 Difference]: Start difference. First operand 52031 states and 142931 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:23,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:08:23,647 INFO L93 Difference]: Finished difference Result 119606 states and 329372 transitions. [2022-01-28 13:08:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-28 13:08:23,648 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:08:23,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:08:23,922 INFO L225 Difference]: With dead ends: 119606 [2022-01-28 13:08:23,922 INFO L226 Difference]: Without dead ends: 119232 [2022-01-28 13:08:23,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=567, Invalid=2403, Unknown=0, NotChecked=0, Total=2970 [2022-01-28 13:08:23,923 INFO L933 BasicCegarLoop]: 916 mSDtfsCounter, 2620 mSDsluCounter, 11839 mSDsCounter, 0 mSdLazyCounter, 2095 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2620 SdHoareTripleChecker+Valid, 12642 SdHoareTripleChecker+Invalid, 2129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:08:23,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2620 Valid, 12642 Invalid, 2129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2095 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:08:24,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119232 states. [2022-01-28 13:08:25,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119232 to 51815. [2022-01-28 13:08:25,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51815 states, 51814 states have (on average 2.748388466437642) internal successors, (142405), 51814 states have internal predecessors, (142405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:25,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51815 states to 51815 states and 142405 transitions. [2022-01-28 13:08:25,701 INFO L78 Accepts]: Start accepts. Automaton has 51815 states and 142405 transitions. Word has length 163 [2022-01-28 13:08:25,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:08:25,701 INFO L470 AbstractCegarLoop]: Abstraction has 51815 states and 142405 transitions. [2022-01-28 13:08:25,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:25,702 INFO L276 IsEmpty]: Start isEmpty. Operand 51815 states and 142405 transitions. [2022-01-28 13:08:25,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:08:25,752 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:08:25,752 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] [2022-01-28 13:08:25,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-01-28 13:08:25,753 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:08:25,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:08:25,753 INFO L85 PathProgramCache]: Analyzing trace with hash 78101186, now seen corresponding path program 42 times [2022-01-28 13:08:25,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:08:25,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761163788] [2022-01-28 13:08:25,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:08:25,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:08:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:08:26,029 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 13:08:26,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:08:26,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761163788] [2022-01-28 13:08:26,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761163788] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:08:26,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:08:26,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:08:26,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228632624] [2022-01-28 13:08:26,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:08:26,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:08:26,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:08:26,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:08:26,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:08:26,031 INFO L87 Difference]: Start difference. First operand 51815 states and 142405 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:28,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:08:28,780 INFO L93 Difference]: Finished difference Result 125436 states and 345172 transitions. [2022-01-28 13:08:28,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-28 13:08:28,781 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:08:28,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:08:29,079 INFO L225 Difference]: With dead ends: 125436 [2022-01-28 13:08:29,079 INFO L226 Difference]: Without dead ends: 125012 [2022-01-28 13:08:29,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 767 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=612, Invalid=2468, Unknown=0, NotChecked=0, Total=3080 [2022-01-28 13:08:29,080 INFO L933 BasicCegarLoop]: 949 mSDtfsCounter, 3199 mSDsluCounter, 12077 mSDsCounter, 0 mSdLazyCounter, 2311 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3199 SdHoareTripleChecker+Valid, 12909 SdHoareTripleChecker+Invalid, 2345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-28 13:08:29,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3199 Valid, 12909 Invalid, 2345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2311 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-28 13:08:29,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125012 states. [2022-01-28 13:08:30,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125012 to 51831. [2022-01-28 13:08:30,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51831 states, 51830 states have (on average 2.748311788539456) internal successors, (142445), 51830 states have internal predecessors, (142445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:30,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51831 states to 51831 states and 142445 transitions. [2022-01-28 13:08:30,866 INFO L78 Accepts]: Start accepts. Automaton has 51831 states and 142445 transitions. Word has length 163 [2022-01-28 13:08:30,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:08:30,866 INFO L470 AbstractCegarLoop]: Abstraction has 51831 states and 142445 transitions. [2022-01-28 13:08:30,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:30,866 INFO L276 IsEmpty]: Start isEmpty. Operand 51831 states and 142445 transitions. [2022-01-28 13:08:30,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:08:30,917 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:08:30,917 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] [2022-01-28 13:08:30,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-01-28 13:08:30,917 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:08:30,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:08:30,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1933257496, now seen corresponding path program 43 times [2022-01-28 13:08:30,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:08:30,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976625098] [2022-01-28 13:08:30,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:08:30,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:08:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:08:31,201 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 13:08:31,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:08:31,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976625098] [2022-01-28 13:08:31,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976625098] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:08:31,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:08:31,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:08:31,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307117419] [2022-01-28 13:08:31,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:08:31,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:08:31,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:08:31,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:08:31,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:08:31,203 INFO L87 Difference]: Start difference. First operand 51831 states and 142445 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:33,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:08:33,909 INFO L93 Difference]: Finished difference Result 126270 states and 347466 transitions. [2022-01-28 13:08:33,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-28 13:08:33,910 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:08:33,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:08:34,430 INFO L225 Difference]: With dead ends: 126270 [2022-01-28 13:08:34,430 INFO L226 Difference]: Without dead ends: 125865 [2022-01-28 13:08:34,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 927 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=676, Invalid=2864, Unknown=0, NotChecked=0, Total=3540 [2022-01-28 13:08:34,431 INFO L933 BasicCegarLoop]: 949 mSDtfsCounter, 3249 mSDsluCounter, 12494 mSDsCounter, 0 mSdLazyCounter, 2350 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3249 SdHoareTripleChecker+Valid, 13327 SdHoareTripleChecker+Invalid, 2387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 2350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:08:34,432 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3249 Valid, 13327 Invalid, 2387 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [37 Valid, 2350 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:08:34,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125865 states. [2022-01-28 13:08:35,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125865 to 51987. [2022-01-28 13:08:35,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51987 states, 51986 states have (on average 2.7473165852344863) internal successors, (142822), 51986 states have internal predecessors, (142822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:36,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51987 states to 51987 states and 142822 transitions. [2022-01-28 13:08:36,371 INFO L78 Accepts]: Start accepts. Automaton has 51987 states and 142822 transitions. Word has length 163 [2022-01-28 13:08:36,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:08:36,372 INFO L470 AbstractCegarLoop]: Abstraction has 51987 states and 142822 transitions. [2022-01-28 13:08:36,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:36,372 INFO L276 IsEmpty]: Start isEmpty. Operand 51987 states and 142822 transitions. [2022-01-28 13:08:36,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:08:36,453 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:08:36,454 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] [2022-01-28 13:08:36,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-01-28 13:08:36,455 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:08:36,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:08:36,455 INFO L85 PathProgramCache]: Analyzing trace with hash 885944376, now seen corresponding path program 44 times [2022-01-28 13:08:36,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:08:36,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482214201] [2022-01-28 13:08:36,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:08:36,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:08:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:08:36,846 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 13:08:36,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:08:36,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482214201] [2022-01-28 13:08:36,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482214201] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:08:36,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:08:36,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:08:36,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248464712] [2022-01-28 13:08:36,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:08:36,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:08:36,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:08:36,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:08:36,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:08:36,848 INFO L87 Difference]: Start difference. First operand 51987 states and 142822 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:39,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:08:39,568 INFO L93 Difference]: Finished difference Result 124887 states and 344066 transitions. [2022-01-28 13:08:39,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-28 13:08:39,569 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:08:39,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:08:39,845 INFO L225 Difference]: With dead ends: 124887 [2022-01-28 13:08:39,846 INFO L226 Difference]: Without dead ends: 124748 [2022-01-28 13:08:39,846 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 790 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=640, Invalid=2552, Unknown=0, NotChecked=0, Total=3192 [2022-01-28 13:08:39,846 INFO L933 BasicCegarLoop]: 902 mSDtfsCounter, 2821 mSDsluCounter, 12100 mSDsCounter, 0 mSdLazyCounter, 2197 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2821 SdHoareTripleChecker+Valid, 12896 SdHoareTripleChecker+Invalid, 2243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 2197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:08:39,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2821 Valid, 12896 Invalid, 2243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 2197 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:08:40,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124748 states. [2022-01-28 13:08:41,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124748 to 52035. [2022-01-28 13:08:41,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52035 states, 52034 states have (on average 2.7470884421724255) internal successors, (142942), 52034 states have internal predecessors, (142942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:41,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52035 states to 52035 states and 142942 transitions. [2022-01-28 13:08:41,745 INFO L78 Accepts]: Start accepts. Automaton has 52035 states and 142942 transitions. Word has length 163 [2022-01-28 13:08:41,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:08:41,746 INFO L470 AbstractCegarLoop]: Abstraction has 52035 states and 142942 transitions. [2022-01-28 13:08:41,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:41,746 INFO L276 IsEmpty]: Start isEmpty. Operand 52035 states and 142942 transitions. [2022-01-28 13:08:41,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:08:41,801 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:08:41,801 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] [2022-01-28 13:08:41,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-01-28 13:08:41,801 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:08:41,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:08:41,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1685563508, now seen corresponding path program 45 times [2022-01-28 13:08:41,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:08:41,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135875493] [2022-01-28 13:08:41,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:08:41,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:08:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:08:42,085 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 13:08:42,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:08:42,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135875493] [2022-01-28 13:08:42,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135875493] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:08:42,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:08:42,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:08:42,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098881297] [2022-01-28 13:08:42,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:08:42,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:08:42,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:08:42,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:08:42,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:08:42,086 INFO L87 Difference]: Start difference. First operand 52035 states and 142942 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:44,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:08:44,555 INFO L93 Difference]: Finished difference Result 124811 states and 343870 transitions. [2022-01-28 13:08:44,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-28 13:08:44,556 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:08:44,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:08:45,098 INFO L225 Difference]: With dead ends: 124811 [2022-01-28 13:08:45,098 INFO L226 Difference]: Without dead ends: 124645 [2022-01-28 13:08:45,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=566, Invalid=2190, Unknown=0, NotChecked=0, Total=2756 [2022-01-28 13:08:45,099 INFO L933 BasicCegarLoop]: 898 mSDtfsCounter, 2760 mSDsluCounter, 11488 mSDsCounter, 0 mSdLazyCounter, 2134 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2760 SdHoareTripleChecker+Valid, 12297 SdHoareTripleChecker+Invalid, 2168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:08:45,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2760 Valid, 12297 Invalid, 2168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2134 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:08:45,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124645 states. [2022-01-28 13:08:46,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124645 to 51999. [2022-01-28 13:08:46,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51999 states, 51998 states have (on average 2.7470864264010153) internal successors, (142843), 51998 states have internal predecessors, (142843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:46,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51999 states to 51999 states and 142843 transitions. [2022-01-28 13:08:46,956 INFO L78 Accepts]: Start accepts. Automaton has 51999 states and 142843 transitions. Word has length 163 [2022-01-28 13:08:46,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:08:46,956 INFO L470 AbstractCegarLoop]: Abstraction has 51999 states and 142843 transitions. [2022-01-28 13:08:46,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:46,956 INFO L276 IsEmpty]: Start isEmpty. Operand 51999 states and 142843 transitions. [2022-01-28 13:08:47,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:08:47,011 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:08:47,011 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] [2022-01-28 13:08:47,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-01-28 13:08:47,012 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:08:47,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:08:47,012 INFO L85 PathProgramCache]: Analyzing trace with hash -277478404, now seen corresponding path program 46 times [2022-01-28 13:08:47,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:08:47,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330514381] [2022-01-28 13:08:47,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:08:47,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:08:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:08:47,285 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 13:08:47,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:08:47,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330514381] [2022-01-28 13:08:47,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330514381] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:08:47,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:08:47,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:08:47,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44831260] [2022-01-28 13:08:47,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:08:47,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:08:47,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:08:47,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:08:47,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:08:47,286 INFO L87 Difference]: Start difference. First operand 51999 states and 142843 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:49,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:08:49,784 INFO L93 Difference]: Finished difference Result 125132 states and 344644 transitions. [2022-01-28 13:08:49,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-28 13:08:49,785 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:08:49,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:08:50,056 INFO L225 Difference]: With dead ends: 125132 [2022-01-28 13:08:50,056 INFO L226 Difference]: Without dead ends: 124794 [2022-01-28 13:08:50,056 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 786 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=625, Invalid=2567, Unknown=0, NotChecked=0, Total=3192 [2022-01-28 13:08:50,057 INFO L933 BasicCegarLoop]: 927 mSDtfsCounter, 2843 mSDsluCounter, 12358 mSDsCounter, 0 mSdLazyCounter, 2282 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2843 SdHoareTripleChecker+Valid, 13167 SdHoareTripleChecker+Invalid, 2317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:08:50,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2843 Valid, 13167 Invalid, 2317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2282 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:08:50,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124794 states. [2022-01-28 13:08:51,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124794 to 51819. [2022-01-28 13:08:51,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51819 states, 51818 states have (on average 2.7483113975838513) internal successors, (142412), 51818 states have internal predecessors, (142412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:52,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51819 states to 51819 states and 142412 transitions. [2022-01-28 13:08:52,080 INFO L78 Accepts]: Start accepts. Automaton has 51819 states and 142412 transitions. Word has length 163 [2022-01-28 13:08:52,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:08:52,081 INFO L470 AbstractCegarLoop]: Abstraction has 51819 states and 142412 transitions. [2022-01-28 13:08:52,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:52,081 INFO L276 IsEmpty]: Start isEmpty. Operand 51819 states and 142412 transitions. [2022-01-28 13:08:52,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:08:52,155 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:08:52,155 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] [2022-01-28 13:08:52,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-01-28 13:08:52,155 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:08:52,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:08:52,156 INFO L85 PathProgramCache]: Analyzing trace with hash 981107552, now seen corresponding path program 47 times [2022-01-28 13:08:52,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:08:52,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376406108] [2022-01-28 13:08:52,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:08:52,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:08:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:08:52,405 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 13:08:52,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:08:52,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376406108] [2022-01-28 13:08:52,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376406108] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:08:52,405 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:08:52,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:08:52,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552986758] [2022-01-28 13:08:52,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:08:52,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:08:52,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:08:52,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:08:52,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:08:52,406 INFO L87 Difference]: Start difference. First operand 51819 states and 142412 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:54,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:08:54,934 INFO L93 Difference]: Finished difference Result 125410 states and 345250 transitions. [2022-01-28 13:08:54,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-01-28 13:08:54,935 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:08:54,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:08:55,198 INFO L225 Difference]: With dead ends: 125410 [2022-01-28 13:08:55,198 INFO L226 Difference]: Without dead ends: 125005 [2022-01-28 13:08:55,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 992 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=703, Invalid=2957, Unknown=0, NotChecked=0, Total=3660 [2022-01-28 13:08:55,199 INFO L933 BasicCegarLoop]: 971 mSDtfsCounter, 3582 mSDsluCounter, 11775 mSDsCounter, 0 mSdLazyCounter, 2213 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3582 SdHoareTripleChecker+Valid, 12642 SdHoareTripleChecker+Invalid, 2249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:08:55,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3582 Valid, 12642 Invalid, 2249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2213 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:08:55,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125005 states. [2022-01-28 13:08:56,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125005 to 52027. [2022-01-28 13:08:56,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52027 states, 52026 states have (on average 2.7473186483681236) internal successors, (142932), 52026 states have internal predecessors, (142932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:57,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52027 states to 52027 states and 142932 transitions. [2022-01-28 13:08:57,026 INFO L78 Accepts]: Start accepts. Automaton has 52027 states and 142932 transitions. Word has length 163 [2022-01-28 13:08:57,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:08:57,026 INFO L470 AbstractCegarLoop]: Abstraction has 52027 states and 142932 transitions. [2022-01-28 13:08:57,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:08:57,026 INFO L276 IsEmpty]: Start isEmpty. Operand 52027 states and 142932 transitions. [2022-01-28 13:08:57,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:08:57,086 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:08:57,086 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] [2022-01-28 13:08:57,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-01-28 13:08:57,086 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:08:57,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:08:57,087 INFO L85 PathProgramCache]: Analyzing trace with hash -66205568, now seen corresponding path program 48 times [2022-01-28 13:08:57,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:08:57,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790294571] [2022-01-28 13:08:57,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:08:57,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:08:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:08:57,402 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 13:08:57,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:08:57,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790294571] [2022-01-28 13:08:57,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790294571] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:08:57,403 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:08:57,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:08:57,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173763142] [2022-01-28 13:08:57,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:08:57,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:08:57,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:08:57,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:08:57,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:08:57,404 INFO L87 Difference]: Start difference. First operand 52027 states and 142932 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:00,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:09:00,511 INFO L93 Difference]: Finished difference Result 124932 states and 344166 transitions. [2022-01-28 13:09:00,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-28 13:09:00,511 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:09:00,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:09:00,801 INFO L225 Difference]: With dead ends: 124932 [2022-01-28 13:09:00,802 INFO L226 Difference]: Without dead ends: 124709 [2022-01-28 13:09:00,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=594, Invalid=2058, Unknown=0, NotChecked=0, Total=2652 [2022-01-28 13:09:00,802 INFO L933 BasicCegarLoop]: 931 mSDtfsCounter, 3051 mSDsluCounter, 11310 mSDsCounter, 0 mSdLazyCounter, 2086 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3051 SdHoareTripleChecker+Valid, 12156 SdHoareTripleChecker+Invalid, 2143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 2086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:09:00,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3051 Valid, 12156 Invalid, 2143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 2086 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:09:01,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124709 states. [2022-01-28 13:09:02,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124709 to 52043. [2022-01-28 13:09:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52043 states, 52042 states have (on average 2.747012028746013) internal successors, (142960), 52042 states have internal predecessors, (142960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:02,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52043 states to 52043 states and 142960 transitions. [2022-01-28 13:09:02,701 INFO L78 Accepts]: Start accepts. Automaton has 52043 states and 142960 transitions. Word has length 163 [2022-01-28 13:09:02,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:09:02,702 INFO L470 AbstractCegarLoop]: Abstraction has 52043 states and 142960 transitions. [2022-01-28 13:09:02,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:02,702 INFO L276 IsEmpty]: Start isEmpty. Operand 52043 states and 142960 transitions. [2022-01-28 13:09:02,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:09:02,762 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:09:02,762 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] [2022-01-28 13:09:02,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-01-28 13:09:02,762 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:09:02,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:09:02,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1612783804, now seen corresponding path program 49 times [2022-01-28 13:09:02,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:09:02,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99817339] [2022-01-28 13:09:02,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:09:02,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:09:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:09:03,028 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 13:09:03,028 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:09:03,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99817339] [2022-01-28 13:09:03,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99817339] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:09:03,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:09:03,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:09:03,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831238178] [2022-01-28 13:09:03,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:09:03,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:09:03,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:09:03,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:09:03,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:09:03,030 INFO L87 Difference]: Start difference. First operand 52043 states and 142960 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:05,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:09:05,551 INFO L93 Difference]: Finished difference Result 124941 states and 344191 transitions. [2022-01-28 13:09:05,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-28 13:09:05,551 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:09:05,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:09:06,073 INFO L225 Difference]: With dead ends: 124941 [2022-01-28 13:09:06,073 INFO L226 Difference]: Without dead ends: 124643 [2022-01-28 13:09:06,073 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 780 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=607, Invalid=2585, Unknown=0, NotChecked=0, Total=3192 [2022-01-28 13:09:06,074 INFO L933 BasicCegarLoop]: 942 mSDtfsCounter, 3030 mSDsluCounter, 11746 mSDsCounter, 0 mSdLazyCounter, 2132 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3030 SdHoareTripleChecker+Valid, 12591 SdHoareTripleChecker+Invalid, 2164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:09:06,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3030 Valid, 12591 Invalid, 2164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2132 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:09:06,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124643 states. [2022-01-28 13:09:07,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124643 to 51871. [2022-01-28 13:09:07,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51871 states, 51870 states have (on average 2.7473105841526895) internal successors, (142503), 51870 states have internal predecessors, (142503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:07,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51871 states to 51871 states and 142503 transitions. [2022-01-28 13:09:07,914 INFO L78 Accepts]: Start accepts. Automaton has 51871 states and 142503 transitions. Word has length 163 [2022-01-28 13:09:07,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:09:07,914 INFO L470 AbstractCegarLoop]: Abstraction has 51871 states and 142503 transitions. [2022-01-28 13:09:07,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:07,915 INFO L276 IsEmpty]: Start isEmpty. Operand 51871 states and 142503 transitions. [2022-01-28 13:09:07,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:09:07,966 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:09:07,966 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] [2022-01-28 13:09:07,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-01-28 13:09:07,966 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:09:07,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:09:07,967 INFO L85 PathProgramCache]: Analyzing trace with hash -622327840, now seen corresponding path program 50 times [2022-01-28 13:09:07,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:09:07,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102718121] [2022-01-28 13:09:07,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:09:07,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:09:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:09:08,240 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 13:09:08,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:09:08,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102718121] [2022-01-28 13:09:08,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102718121] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:09:08,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:09:08,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:09:08,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920635392] [2022-01-28 13:09:08,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:09:08,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:09:08,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:09:08,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:09:08,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:09:08,241 INFO L87 Difference]: Start difference. First operand 51871 states and 142503 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:10,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:09:10,764 INFO L93 Difference]: Finished difference Result 123960 states and 341589 transitions. [2022-01-28 13:09:10,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-28 13:09:10,764 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:09:10,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:09:11,042 INFO L225 Difference]: With dead ends: 123960 [2022-01-28 13:09:11,043 INFO L226 Difference]: Without dead ends: 123821 [2022-01-28 13:09:11,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 895 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=698, Invalid=2724, Unknown=0, NotChecked=0, Total=3422 [2022-01-28 13:09:11,043 INFO L933 BasicCegarLoop]: 917 mSDtfsCounter, 3123 mSDsluCounter, 11852 mSDsCounter, 0 mSdLazyCounter, 2038 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3123 SdHoareTripleChecker+Valid, 12668 SdHoareTripleChecker+Invalid, 2085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:09:11,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3123 Valid, 12668 Invalid, 2085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2038 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:09:11,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123821 states. [2022-01-28 13:09:12,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123821 to 51923. [2022-01-28 13:09:12,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51923 states, 51922 states have (on average 2.747082161704095) internal successors, (142634), 51922 states have internal predecessors, (142634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:12,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51923 states to 51923 states and 142634 transitions. [2022-01-28 13:09:12,903 INFO L78 Accepts]: Start accepts. Automaton has 51923 states and 142634 transitions. Word has length 163 [2022-01-28 13:09:12,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:09:12,903 INFO L470 AbstractCegarLoop]: Abstraction has 51923 states and 142634 transitions. [2022-01-28 13:09:12,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:12,904 INFO L276 IsEmpty]: Start isEmpty. Operand 51923 states and 142634 transitions. [2022-01-28 13:09:13,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:09:13,196 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:09:13,196 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] [2022-01-28 13:09:13,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-01-28 13:09:13,196 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:09:13,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:09:13,197 INFO L85 PathProgramCache]: Analyzing trace with hash 177291292, now seen corresponding path program 51 times [2022-01-28 13:09:13,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:09:13,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802579824] [2022-01-28 13:09:13,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:09:13,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:09:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:09:13,489 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 13:09:13,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:09:13,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802579824] [2022-01-28 13:09:13,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802579824] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:09:13,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:09:13,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:09:13,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677586232] [2022-01-28 13:09:13,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:09:13,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:09:13,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:09:13,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:09:13,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:09:13,490 INFO L87 Difference]: Start difference. First operand 51923 states and 142634 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:15,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:09:15,851 INFO L93 Difference]: Finished difference Result 123932 states and 341509 transitions. [2022-01-28 13:09:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-28 13:09:15,851 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:09:15,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:09:16,109 INFO L225 Difference]: With dead ends: 123932 [2022-01-28 13:09:16,109 INFO L226 Difference]: Without dead ends: 123766 [2022-01-28 13:09:16,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 714 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=609, Invalid=2361, Unknown=0, NotChecked=0, Total=2970 [2022-01-28 13:09:16,111 INFO L933 BasicCegarLoop]: 913 mSDtfsCounter, 3242 mSDsluCounter, 11194 mSDsCounter, 0 mSdLazyCounter, 1981 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3242 SdHoareTripleChecker+Valid, 12020 SdHoareTripleChecker+Invalid, 2014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1981 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:09:16,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3242 Valid, 12020 Invalid, 2014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1981 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-28 13:09:16,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123766 states. [2022-01-28 13:09:17,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123766 to 51887. [2022-01-28 13:09:17,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51887 states, 51886 states have (on average 2.747080137223914) internal successors, (142535), 51886 states have internal predecessors, (142535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:17,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51887 states to 51887 states and 142535 transitions. [2022-01-28 13:09:17,970 INFO L78 Accepts]: Start accepts. Automaton has 51887 states and 142535 transitions. Word has length 163 [2022-01-28 13:09:17,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:09:17,971 INFO L470 AbstractCegarLoop]: Abstraction has 51887 states and 142535 transitions. [2022-01-28 13:09:17,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:17,971 INFO L276 IsEmpty]: Start isEmpty. Operand 51887 states and 142535 transitions. [2022-01-28 13:09:18,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:09:18,026 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:09:18,026 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] [2022-01-28 13:09:18,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-01-28 13:09:18,026 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:09:18,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:09:18,027 INFO L85 PathProgramCache]: Analyzing trace with hash -103438624, now seen corresponding path program 52 times [2022-01-28 13:09:18,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:09:18,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223894570] [2022-01-28 13:09:18,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:09:18,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:09:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:09:18,270 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 13:09:18,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:09:18,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223894570] [2022-01-28 13:09:18,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223894570] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:09:18,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:09:18,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:09:18,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275983845] [2022-01-28 13:09:18,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:09:18,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:09:18,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:09:18,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:09:18,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:09:18,271 INFO L87 Difference]: Start difference. First operand 51887 states and 142535 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:21,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:09:21,076 INFO L93 Difference]: Finished difference Result 124162 states and 342035 transitions. [2022-01-28 13:09:21,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-28 13:09:21,076 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:09:21,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:09:21,363 INFO L225 Difference]: With dead ends: 124162 [2022-01-28 13:09:21,363 INFO L226 Difference]: Without dead ends: 123992 [2022-01-28 13:09:21,363 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=679, Invalid=2743, Unknown=0, NotChecked=0, Total=3422 [2022-01-28 13:09:21,363 INFO L933 BasicCegarLoop]: 937 mSDtfsCounter, 3372 mSDsluCounter, 11654 mSDsCounter, 0 mSdLazyCounter, 2090 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3372 SdHoareTripleChecker+Valid, 12491 SdHoareTripleChecker+Invalid, 2128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-28 13:09:21,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3372 Valid, 12491 Invalid, 2128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2090 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-28 13:09:21,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123992 states. [2022-01-28 13:09:23,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123992 to 51875. [2022-01-28 13:09:23,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51875 states, 51874 states have (on average 2.7472336816131397) internal successors, (142510), 51874 states have internal predecessors, (142510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:23,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51875 states to 51875 states and 142510 transitions. [2022-01-28 13:09:23,230 INFO L78 Accepts]: Start accepts. Automaton has 51875 states and 142510 transitions. Word has length 163 [2022-01-28 13:09:23,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:09:23,231 INFO L470 AbstractCegarLoop]: Abstraction has 51875 states and 142510 transitions. [2022-01-28 13:09:23,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:23,231 INFO L276 IsEmpty]: Start isEmpty. Operand 51875 states and 142510 transitions. [2022-01-28 13:09:23,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:09:23,284 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:09:23,284 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] [2022-01-28 13:09:23,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-01-28 13:09:23,284 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:09:23,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:09:23,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1430445284, now seen corresponding path program 53 times [2022-01-28 13:09:23,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:09:23,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690447447] [2022-01-28 13:09:23,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:09:23,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:09:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:09:23,547 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 13:09:23,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:09:23,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690447447] [2022-01-28 13:09:23,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690447447] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:09:23,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:09:23,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:09:23,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755909884] [2022-01-28 13:09:23,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:09:23,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:09:23,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:09:23,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:09:23,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:09:23,549 INFO L87 Difference]: Start difference. First operand 51875 states and 142510 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:26,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:09:26,056 INFO L93 Difference]: Finished difference Result 123485 states and 340294 transitions. [2022-01-28 13:09:26,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-28 13:09:26,056 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:09:26,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:09:26,325 INFO L225 Difference]: With dead ends: 123485 [2022-01-28 13:09:26,325 INFO L226 Difference]: Without dead ends: 123346 [2022-01-28 13:09:26,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 772 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=666, Invalid=2526, Unknown=0, NotChecked=0, Total=3192 [2022-01-28 13:09:26,326 INFO L933 BasicCegarLoop]: 907 mSDtfsCounter, 3327 mSDsluCounter, 11175 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3327 SdHoareTripleChecker+Valid, 11992 SdHoareTripleChecker+Invalid, 2014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:09:26,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3327 Valid, 11992 Invalid, 2014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1960 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:09:26,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123346 states. [2022-01-28 13:09:28,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123346 to 51923. [2022-01-28 13:09:28,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51923 states, 51922 states have (on average 2.7470051230692194) internal successors, (142630), 51922 states have internal predecessors, (142630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:28,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51923 states to 51923 states and 142630 transitions. [2022-01-28 13:09:28,390 INFO L78 Accepts]: Start accepts. Automaton has 51923 states and 142630 transitions. Word has length 163 [2022-01-28 13:09:28,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:09:28,391 INFO L470 AbstractCegarLoop]: Abstraction has 51923 states and 142630 transitions. [2022-01-28 13:09:28,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:28,391 INFO L276 IsEmpty]: Start isEmpty. Operand 51923 states and 142630 transitions. [2022-01-28 13:09:28,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:09:28,462 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:09:28,462 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] [2022-01-28 13:09:28,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-01-28 13:09:28,462 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:09:28,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:09:28,463 INFO L85 PathProgramCache]: Analyzing trace with hash -630826152, now seen corresponding path program 54 times [2022-01-28 13:09:28,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:09:28,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608517671] [2022-01-28 13:09:28,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:09:28,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:09:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:09:28,889 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 13:09:28,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:09:28,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608517671] [2022-01-28 13:09:28,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608517671] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:09:28,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:09:28,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:09:28,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160254885] [2022-01-28 13:09:28,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:09:28,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:09:28,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:09:28,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:09:28,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:09:28,891 INFO L87 Difference]: Start difference. First operand 51923 states and 142630 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:31,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:09:31,516 INFO L93 Difference]: Finished difference Result 123476 states and 340264 transitions. [2022-01-28 13:09:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-28 13:09:31,516 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:09:31,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:09:32,024 INFO L225 Difference]: With dead ends: 123476 [2022-01-28 13:09:32,024 INFO L226 Difference]: Without dead ends: 123310 [2022-01-28 13:09:32,024 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=613, Invalid=2467, Unknown=0, NotChecked=0, Total=3080 [2022-01-28 13:09:32,024 INFO L933 BasicCegarLoop]: 928 mSDtfsCounter, 2871 mSDsluCounter, 12205 mSDsCounter, 0 mSdLazyCounter, 2110 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2871 SdHoareTripleChecker+Valid, 13010 SdHoareTripleChecker+Invalid, 2144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:09:32,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2871 Valid, 13010 Invalid, 2144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2110 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:09:32,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123310 states. [2022-01-28 13:09:33,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123310 to 51887. [2022-01-28 13:09:33,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51887 states, 51886 states have (on average 2.7470030451374168) internal successors, (142531), 51886 states have internal predecessors, (142531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:33,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51887 states to 51887 states and 142531 transitions. [2022-01-28 13:09:33,840 INFO L78 Accepts]: Start accepts. Automaton has 51887 states and 142531 transitions. Word has length 163 [2022-01-28 13:09:33,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:09:33,841 INFO L470 AbstractCegarLoop]: Abstraction has 51887 states and 142531 transitions. [2022-01-28 13:09:33,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:33,841 INFO L276 IsEmpty]: Start isEmpty. Operand 51887 states and 142531 transitions. [2022-01-28 13:09:33,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:09:33,896 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:09:33,896 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] [2022-01-28 13:09:33,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-01-28 13:09:33,896 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:09:33,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:09:33,896 INFO L85 PathProgramCache]: Analyzing trace with hash -362191136, now seen corresponding path program 55 times [2022-01-28 13:09:33,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:09:33,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982603097] [2022-01-28 13:09:33,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:09:33,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:09:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:09:34,159 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 13:09:34,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:09:34,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982603097] [2022-01-28 13:09:34,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982603097] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:09:34,160 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:09:34,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:09:34,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027117677] [2022-01-28 13:09:34,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:09:34,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:09:34,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:09:34,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:09:34,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:09:34,161 INFO L87 Difference]: Start difference. First operand 51887 states and 142531 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:36,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:09:36,568 INFO L93 Difference]: Finished difference Result 123307 states and 339871 transitions. [2022-01-28 13:09:36,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-28 13:09:36,569 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:09:36,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:09:36,836 INFO L225 Difference]: With dead ends: 123307 [2022-01-28 13:09:36,836 INFO L226 Difference]: Without dead ends: 122921 [2022-01-28 13:09:36,836 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=579, Invalid=2391, Unknown=0, NotChecked=0, Total=2970 [2022-01-28 13:09:36,836 INFO L933 BasicCegarLoop]: 953 mSDtfsCounter, 2884 mSDsluCounter, 11958 mSDsCounter, 0 mSdLazyCounter, 2124 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2884 SdHoareTripleChecker+Valid, 12794 SdHoareTripleChecker+Invalid, 2157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:09:36,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2884 Valid, 12794 Invalid, 2157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2124 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:09:37,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122921 states. [2022-01-28 13:09:38,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122921 to 51647. [2022-01-28 13:09:38,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51647 states, 51646 states have (on average 2.748615575262363) internal successors, (141955), 51646 states have internal predecessors, (141955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:38,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51647 states to 51647 states and 141955 transitions. [2022-01-28 13:09:38,721 INFO L78 Accepts]: Start accepts. Automaton has 51647 states and 141955 transitions. Word has length 163 [2022-01-28 13:09:38,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:09:38,721 INFO L470 AbstractCegarLoop]: Abstraction has 51647 states and 141955 transitions. [2022-01-28 13:09:38,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:38,721 INFO L276 IsEmpty]: Start isEmpty. Operand 51647 states and 141955 transitions. [2022-01-28 13:09:38,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:09:38,777 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:09:38,777 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] [2022-01-28 13:09:38,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-01-28 13:09:38,778 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:09:38,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:09:38,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1601500704, now seen corresponding path program 56 times [2022-01-28 13:09:38,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:09:38,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624014093] [2022-01-28 13:09:38,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:09:38,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:09:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:09:39,044 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 13:09:39,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:09:39,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624014093] [2022-01-28 13:09:39,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624014093] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:09:39,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:09:39,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:09:39,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102062330] [2022-01-28 13:09:39,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:09:39,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:09:39,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:09:39,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:09:39,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:09:39,045 INFO L87 Difference]: Start difference. First operand 51647 states and 141955 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:41,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:09:41,206 INFO L93 Difference]: Finished difference Result 102987 states and 283388 transitions. [2022-01-28 13:09:41,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-28 13:09:41,207 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:09:41,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:09:41,681 INFO L225 Difference]: With dead ends: 102987 [2022-01-28 13:09:41,681 INFO L226 Difference]: Without dead ends: 102506 [2022-01-28 13:09:41,682 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=438, Invalid=2012, Unknown=0, NotChecked=0, Total=2450 [2022-01-28 13:09:41,682 INFO L933 BasicCegarLoop]: 986 mSDtfsCounter, 3936 mSDsluCounter, 12001 mSDsCounter, 0 mSdLazyCounter, 1923 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3936 SdHoareTripleChecker+Valid, 12856 SdHoareTripleChecker+Invalid, 1954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:09:41,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3936 Valid, 12856 Invalid, 1954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1923 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-28 13:09:41,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102506 states. [2022-01-28 13:09:42,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102506 to 51755. [2022-01-28 13:09:43,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51755 states, 51754 states have (on average 2.74834795378135) internal successors, (142238), 51754 states have internal predecessors, (142238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:43,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51755 states to 51755 states and 142238 transitions. [2022-01-28 13:09:43,361 INFO L78 Accepts]: Start accepts. Automaton has 51755 states and 142238 transitions. Word has length 163 [2022-01-28 13:09:43,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:09:43,361 INFO L470 AbstractCegarLoop]: Abstraction has 51755 states and 142238 transitions. [2022-01-28 13:09:43,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:43,361 INFO L276 IsEmpty]: Start isEmpty. Operand 51755 states and 142238 transitions. [2022-01-28 13:09:43,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:09:43,418 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:09:43,418 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] [2022-01-28 13:09:43,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-01-28 13:09:43,418 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:09:43,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:09:43,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1841673402, now seen corresponding path program 57 times [2022-01-28 13:09:43,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:09:43,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046634768] [2022-01-28 13:09:43,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:09:43,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:09:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:09:43,693 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 13:09:43,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:09:43,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046634768] [2022-01-28 13:09:43,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046634768] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:09:43,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:09:43,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:09:43,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593202646] [2022-01-28 13:09:43,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:09:43,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:09:43,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:09:43,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:09:43,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:09:43,695 INFO L87 Difference]: Start difference. First operand 51755 states and 142238 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:45,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:09:45,855 INFO L93 Difference]: Finished difference Result 102835 states and 283008 transitions. [2022-01-28 13:09:45,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-28 13:09:45,856 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:09:45,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:09:46,075 INFO L225 Difference]: With dead ends: 102835 [2022-01-28 13:09:46,075 INFO L226 Difference]: Without dead ends: 102411 [2022-01-28 13:09:46,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 543 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=449, Invalid=2101, Unknown=0, NotChecked=0, Total=2550 [2022-01-28 13:09:46,076 INFO L933 BasicCegarLoop]: 973 mSDtfsCounter, 3619 mSDsluCounter, 11557 mSDsCounter, 0 mSdLazyCounter, 2012 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3619 SdHoareTripleChecker+Valid, 12414 SdHoareTripleChecker+Invalid, 2044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:09:46,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3619 Valid, 12414 Invalid, 2044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2012 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:09:46,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102411 states. [2022-01-28 13:09:47,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102411 to 51767. [2022-01-28 13:09:47,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51767 states, 51766 states have (on average 2.748271065950624) internal successors, (142267), 51766 states have internal predecessors, (142267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:47,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51767 states to 51767 states and 142267 transitions. [2022-01-28 13:09:47,778 INFO L78 Accepts]: Start accepts. Automaton has 51767 states and 142267 transitions. Word has length 163 [2022-01-28 13:09:47,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:09:47,779 INFO L470 AbstractCegarLoop]: Abstraction has 51767 states and 142267 transitions. [2022-01-28 13:09:47,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:47,779 INFO L276 IsEmpty]: Start isEmpty. Operand 51767 states and 142267 transitions. [2022-01-28 13:09:47,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:09:47,829 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:09:47,829 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] [2022-01-28 13:09:47,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-01-28 13:09:47,829 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:09:47,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:09:47,830 INFO L85 PathProgramCache]: Analyzing trace with hash -598137584, now seen corresponding path program 58 times [2022-01-28 13:09:47,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:09:47,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553166037] [2022-01-28 13:09:47,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:09:47,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:09:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:09:48,073 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 13:09:48,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:09:48,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553166037] [2022-01-28 13:09:48,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553166037] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:09:48,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:09:48,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:09:48,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734805023] [2022-01-28 13:09:48,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:09:48,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:09:48,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:09:48,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:09:48,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:09:48,074 INFO L87 Difference]: Start difference. First operand 51767 states and 142267 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:50,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:09:50,248 INFO L93 Difference]: Finished difference Result 102405 states and 281984 transitions. [2022-01-28 13:09:50,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-28 13:09:50,248 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:09:50,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:09:50,484 INFO L225 Difference]: With dead ends: 102405 [2022-01-28 13:09:50,484 INFO L226 Difference]: Without dead ends: 102000 [2022-01-28 13:09:50,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=459, Invalid=2193, Unknown=0, NotChecked=0, Total=2652 [2022-01-28 13:09:50,484 INFO L933 BasicCegarLoop]: 974 mSDtfsCounter, 3569 mSDsluCounter, 11562 mSDsCounter, 0 mSdLazyCounter, 2004 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3569 SdHoareTripleChecker+Valid, 12428 SdHoareTripleChecker+Invalid, 2037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:09:50,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3569 Valid, 12428 Invalid, 2037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2004 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-28 13:09:50,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102000 states. [2022-01-28 13:09:52,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102000 to 51923. [2022-01-28 13:09:52,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51923 states, 51922 states have (on average 2.747274758291283) internal successors, (142644), 51922 states have internal predecessors, (142644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:52,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51923 states to 51923 states and 142644 transitions. [2022-01-28 13:09:52,208 INFO L78 Accepts]: Start accepts. Automaton has 51923 states and 142644 transitions. Word has length 163 [2022-01-28 13:09:52,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:09:52,208 INFO L470 AbstractCegarLoop]: Abstraction has 51923 states and 142644 transitions. [2022-01-28 13:09:52,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:52,208 INFO L276 IsEmpty]: Start isEmpty. Operand 51923 states and 142644 transitions. [2022-01-28 13:09:52,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:09:52,262 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:09:52,262 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] [2022-01-28 13:09:52,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-01-28 13:09:52,262 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:09:52,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:09:52,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1645450704, now seen corresponding path program 59 times [2022-01-28 13:09:52,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:09:52,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639238498] [2022-01-28 13:09:52,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:09:52,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:09:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:09:52,547 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 13:09:52,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:09:52,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639238498] [2022-01-28 13:09:52,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639238498] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:09:52,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:09:52,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:09:52,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527166834] [2022-01-28 13:09:52,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:09:52,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:09:52,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:09:52,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:09:52,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:09:52,549 INFO L87 Difference]: Start difference. First operand 51923 states and 142644 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:54,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:09:54,766 INFO L93 Difference]: Finished difference Result 100990 states and 278500 transitions. [2022-01-28 13:09:54,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-28 13:09:54,767 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:09:54,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:09:55,000 INFO L225 Difference]: With dead ends: 100990 [2022-01-28 13:09:55,000 INFO L226 Difference]: Without dead ends: 100851 [2022-01-28 13:09:55,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=452, Invalid=1900, Unknown=0, NotChecked=0, Total=2352 [2022-01-28 13:09:55,001 INFO L933 BasicCegarLoop]: 923 mSDtfsCounter, 2757 mSDsluCounter, 11721 mSDsCounter, 0 mSdLazyCounter, 1876 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2757 SdHoareTripleChecker+Valid, 12544 SdHoareTripleChecker+Invalid, 1920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:09:55,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2757 Valid, 12544 Invalid, 1920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1876 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-28 13:09:55,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100851 states. [2022-01-28 13:09:56,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100851 to 51971. [2022-01-28 13:09:56,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51971 states, 51970 states have (on average 2.747046372907447) internal successors, (142764), 51970 states have internal predecessors, (142764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:56,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51971 states to 51971 states and 142764 transitions. [2022-01-28 13:09:56,793 INFO L78 Accepts]: Start accepts. Automaton has 51971 states and 142764 transitions. Word has length 163 [2022-01-28 13:09:56,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:09:56,793 INFO L470 AbstractCegarLoop]: Abstraction has 51971 states and 142764 transitions. [2022-01-28 13:09:56,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:56,793 INFO L276 IsEmpty]: Start isEmpty. Operand 51971 states and 142764 transitions. [2022-01-28 13:09:56,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:09:56,847 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:09:56,848 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] [2022-01-28 13:09:56,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-01-28 13:09:56,848 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:09:56,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:09:56,848 INFO L85 PathProgramCache]: Analyzing trace with hash -845831572, now seen corresponding path program 60 times [2022-01-28 13:09:56,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:09:56,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993808198] [2022-01-28 13:09:56,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:09:56,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:09:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:09:57,382 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 13:09:57,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:09:57,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993808198] [2022-01-28 13:09:57,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993808198] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:09:57,383 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:09:57,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:09:57,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689737719] [2022-01-28 13:09:57,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:09:57,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:09:57,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:09:57,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:09:57,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:09:57,384 INFO L87 Difference]: Start difference. First operand 51971 states and 142764 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:09:59,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:09:59,494 INFO L93 Difference]: Finished difference Result 100914 states and 278304 transitions. [2022-01-28 13:09:59,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-01-28 13:09:59,495 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:09:59,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:09:59,727 INFO L225 Difference]: With dead ends: 100914 [2022-01-28 13:09:59,727 INFO L226 Difference]: Without dead ends: 100748 [2022-01-28 13:09:59,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=412, Invalid=1658, Unknown=0, NotChecked=0, Total=2070 [2022-01-28 13:09:59,728 INFO L933 BasicCegarLoop]: 919 mSDtfsCounter, 2721 mSDsluCounter, 11463 mSDsCounter, 0 mSdLazyCounter, 1823 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2721 SdHoareTripleChecker+Valid, 12292 SdHoareTripleChecker+Invalid, 1859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:09:59,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2721 Valid, 12292 Invalid, 1859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1823 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-28 13:09:59,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100748 states. [2022-01-28 13:10:01,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100748 to 51935. [2022-01-28 13:10:01,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51935 states, 51934 states have (on average 2.747044325490045) internal successors, (142665), 51934 states have internal predecessors, (142665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:01,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51935 states to 51935 states and 142665 transitions. [2022-01-28 13:10:01,502 INFO L78 Accepts]: Start accepts. Automaton has 51935 states and 142665 transitions. Word has length 163 [2022-01-28 13:10:01,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:10:01,502 INFO L470 AbstractCegarLoop]: Abstraction has 51935 states and 142665 transitions. [2022-01-28 13:10:01,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:01,502 INFO L276 IsEmpty]: Start isEmpty. Operand 51935 states and 142665 transitions. [2022-01-28 13:10:01,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:10:01,556 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:10:01,556 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] [2022-01-28 13:10:01,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-01-28 13:10:01,556 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:10:01,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:10:01,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1486093812, now seen corresponding path program 61 times [2022-01-28 13:10:01,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:10:01,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478229152] [2022-01-28 13:10:01,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:10:01,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:10:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:10:01,806 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 13:10:01,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:10:01,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478229152] [2022-01-28 13:10:01,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478229152] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:10:01,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:10:01,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:10:01,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497494610] [2022-01-28 13:10:01,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:10:01,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:10:01,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:10:01,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:10:01,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:10:01,807 INFO L87 Difference]: Start difference. First operand 51935 states and 142665 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:04,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:10:04,003 INFO L93 Difference]: Finished difference Result 101267 states and 279162 transitions. [2022-01-28 13:10:04,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-28 13:10:04,004 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:10:04,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:10:04,241 INFO L225 Difference]: With dead ends: 101267 [2022-01-28 13:10:04,241 INFO L226 Difference]: Without dead ends: 100893 [2022-01-28 13:10:04,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=441, Invalid=2009, Unknown=0, NotChecked=0, Total=2450 [2022-01-28 13:10:04,242 INFO L933 BasicCegarLoop]: 945 mSDtfsCounter, 2833 mSDsluCounter, 11521 mSDsCounter, 0 mSdLazyCounter, 1945 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2833 SdHoareTripleChecker+Valid, 12365 SdHoareTripleChecker+Invalid, 1979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:10:04,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2833 Valid, 12365 Invalid, 1979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1945 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-28 13:10:04,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100893 states. [2022-01-28 13:10:05,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100893 to 51719. [2022-01-28 13:10:05,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51719 states, 51718 states have (on average 2.74834680382072) internal successors, (142139), 51718 states have internal predecessors, (142139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:06,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51719 states to 51719 states and 142139 transitions. [2022-01-28 13:10:06,075 INFO L78 Accepts]: Start accepts. Automaton has 51719 states and 142139 transitions. Word has length 163 [2022-01-28 13:10:06,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:10:06,076 INFO L470 AbstractCegarLoop]: Abstraction has 51719 states and 142139 transitions. [2022-01-28 13:10:06,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:06,076 INFO L276 IsEmpty]: Start isEmpty. Operand 51719 states and 142139 transitions. [2022-01-28 13:10:06,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:10:06,131 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:10:06,131 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] [2022-01-28 13:10:06,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-01-28 13:10:06,132 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:10:06,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:10:06,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1497183360, now seen corresponding path program 62 times [2022-01-28 13:10:06,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:10:06,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494282673] [2022-01-28 13:10:06,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:10:06,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:10:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:10:06,387 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 13:10:06,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:10:06,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494282673] [2022-01-28 13:10:06,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494282673] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:10:06,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:10:06,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:10:06,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76030320] [2022-01-28 13:10:06,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:10:06,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:10:06,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:10:06,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:10:06,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:10:06,388 INFO L87 Difference]: Start difference. First operand 51719 states and 142139 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:08,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:10:08,444 INFO L93 Difference]: Finished difference Result 101027 states and 278333 transitions. [2022-01-28 13:10:08,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-01-28 13:10:08,445 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:10:08,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:10:08,682 INFO L225 Difference]: With dead ends: 101027 [2022-01-28 13:10:08,682 INFO L226 Difference]: Without dead ends: 100484 [2022-01-28 13:10:08,682 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=376, Invalid=1604, Unknown=0, NotChecked=0, Total=1980 [2022-01-28 13:10:08,682 INFO L933 BasicCegarLoop]: 1032 mSDtfsCounter, 3937 mSDsluCounter, 11528 mSDsCounter, 0 mSdLazyCounter, 1800 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3937 SdHoareTripleChecker+Valid, 12442 SdHoareTripleChecker+Invalid, 1829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:10:08,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3937 Valid, 12442 Invalid, 1829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1800 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-28 13:10:08,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100484 states. [2022-01-28 13:10:10,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100484 to 51738. [2022-01-28 13:10:10,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51738 states, 51737 states have (on average 2.7476080947870964) internal successors, (142153), 51737 states have internal predecessors, (142153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:10,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51738 states to 51738 states and 142153 transitions. [2022-01-28 13:10:10,500 INFO L78 Accepts]: Start accepts. Automaton has 51738 states and 142153 transitions. Word has length 163 [2022-01-28 13:10:10,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:10:10,500 INFO L470 AbstractCegarLoop]: Abstraction has 51738 states and 142153 transitions. [2022-01-28 13:10:10,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:10,500 INFO L276 IsEmpty]: Start isEmpty. Operand 51738 states and 142153 transitions. [2022-01-28 13:10:10,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:10:10,563 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:10:10,563 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] [2022-01-28 13:10:10,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-01-28 13:10:10,563 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:10:10,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:10:10,564 INFO L85 PathProgramCache]: Analyzing trace with hash -163230216, now seen corresponding path program 63 times [2022-01-28 13:10:10,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:10:10,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891097395] [2022-01-28 13:10:10,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:10:10,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:10:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:10:10,851 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 13:10:10,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:10:10,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891097395] [2022-01-28 13:10:10,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891097395] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:10:10,851 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:10:10,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:10:10,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433317016] [2022-01-28 13:10:10,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:10:10,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:10:10,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:10:10,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:10:10,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:10:10,852 INFO L87 Difference]: Start difference. First operand 51738 states and 142153 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:13,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:10:13,426 INFO L93 Difference]: Finished difference Result 108463 states and 298475 transitions. [2022-01-28 13:10:13,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-28 13:10:13,427 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:10:13,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:10:13,938 INFO L225 Difference]: With dead ends: 108463 [2022-01-28 13:10:13,939 INFO L226 Difference]: Without dead ends: 107982 [2022-01-28 13:10:13,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 607 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=496, Invalid=2156, Unknown=0, NotChecked=0, Total=2652 [2022-01-28 13:10:13,939 INFO L933 BasicCegarLoop]: 960 mSDtfsCounter, 3299 mSDsluCounter, 11651 mSDsCounter, 0 mSdLazyCounter, 1905 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3299 SdHoareTripleChecker+Valid, 12500 SdHoareTripleChecker+Invalid, 1935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:10:13,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3299 Valid, 12500 Invalid, 1935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1905 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:10:14,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107982 states. [2022-01-28 13:10:15,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107982 to 51786. [2022-01-28 13:10:15,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51786 states, 51785 states have (on average 2.7473785845322003) internal successors, (142273), 51785 states have internal predecessors, (142273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:15,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51786 states to 51786 states and 142273 transitions. [2022-01-28 13:10:15,873 INFO L78 Accepts]: Start accepts. Automaton has 51786 states and 142273 transitions. Word has length 163 [2022-01-28 13:10:15,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:10:15,873 INFO L470 AbstractCegarLoop]: Abstraction has 51786 states and 142273 transitions. [2022-01-28 13:10:15,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:15,873 INFO L276 IsEmpty]: Start isEmpty. Operand 51786 states and 142273 transitions. [2022-01-28 13:10:15,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:10:15,948 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:10:15,948 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] [2022-01-28 13:10:15,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-01-28 13:10:15,949 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:10:15,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:10:15,949 INFO L85 PathProgramCache]: Analyzing trace with hash 76942482, now seen corresponding path program 64 times [2022-01-28 13:10:15,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:10:15,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173737756] [2022-01-28 13:10:15,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:10:15,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:10:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:10:16,336 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 13:10:16,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:10:16,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173737756] [2022-01-28 13:10:16,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173737756] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:10:16,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:10:16,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:10:16,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381304826] [2022-01-28 13:10:16,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:10:16,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:10:16,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:10:16,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:10:16,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:10:16,338 INFO L87 Difference]: Start difference. First operand 51786 states and 142273 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:18,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:10:18,830 INFO L93 Difference]: Finished difference Result 109634 states and 301569 transitions. [2022-01-28 13:10:18,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-28 13:10:18,830 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:10:18,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:10:19,085 INFO L225 Difference]: With dead ends: 109634 [2022-01-28 13:10:19,085 INFO L226 Difference]: Without dead ends: 109210 [2022-01-28 13:10:19,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=525, Invalid=2337, Unknown=0, NotChecked=0, Total=2862 [2022-01-28 13:10:19,085 INFO L933 BasicCegarLoop]: 946 mSDtfsCounter, 3401 mSDsluCounter, 11810 mSDsCounter, 0 mSdLazyCounter, 2049 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3401 SdHoareTripleChecker+Valid, 12644 SdHoareTripleChecker+Invalid, 2081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:10:19,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3401 Valid, 12644 Invalid, 2081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2049 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:10:19,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109210 states. [2022-01-28 13:10:20,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109210 to 51798. [2022-01-28 13:10:20,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51798 states, 51797 states have (on average 2.747301967295403) internal successors, (142302), 51797 states have internal predecessors, (142302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:20,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51798 states to 51798 states and 142302 transitions. [2022-01-28 13:10:20,919 INFO L78 Accepts]: Start accepts. Automaton has 51798 states and 142302 transitions. Word has length 163 [2022-01-28 13:10:20,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:10:20,920 INFO L470 AbstractCegarLoop]: Abstraction has 51798 states and 142302 transitions. [2022-01-28 13:10:20,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:20,920 INFO L276 IsEmpty]: Start isEmpty. Operand 51798 states and 142302 transitions. [2022-01-28 13:10:20,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:10:20,976 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:10:20,977 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] [2022-01-28 13:10:20,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-01-28 13:10:20,977 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:10:20,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:10:20,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1932098792, now seen corresponding path program 65 times [2022-01-28 13:10:20,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:10:20,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841099574] [2022-01-28 13:10:20,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:10:20,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:10:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:10:21,223 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 13:10:21,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:10:21,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841099574] [2022-01-28 13:10:21,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841099574] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:10:21,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:10:21,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:10:21,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691139695] [2022-01-28 13:10:21,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:10:21,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:10:21,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:10:21,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:10:21,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:10:21,224 INFO L87 Difference]: Start difference. First operand 51798 states and 142302 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:23,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:10:23,578 INFO L93 Difference]: Finished difference Result 109204 states and 300545 transitions. [2022-01-28 13:10:23,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-28 13:10:23,578 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:10:23,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:10:23,827 INFO L225 Difference]: With dead ends: 109204 [2022-01-28 13:10:23,827 INFO L226 Difference]: Without dead ends: 108799 [2022-01-28 13:10:23,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 746 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=548, Invalid=2532, Unknown=0, NotChecked=0, Total=3080 [2022-01-28 13:10:23,827 INFO L933 BasicCegarLoop]: 951 mSDtfsCounter, 3196 mSDsluCounter, 11619 mSDsCounter, 0 mSdLazyCounter, 2032 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3196 SdHoareTripleChecker+Valid, 12463 SdHoareTripleChecker+Invalid, 2063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:10:23,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3196 Valid, 12463 Invalid, 2063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2032 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:10:24,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108799 states. [2022-01-28 13:10:25,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108799 to 51954. [2022-01-28 13:10:25,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51954 states, 51953 states have (on average 2.746309164052124) internal successors, (142679), 51953 states have internal predecessors, (142679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:25,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51954 states to 51954 states and 142679 transitions. [2022-01-28 13:10:25,538 INFO L78 Accepts]: Start accepts. Automaton has 51954 states and 142679 transitions. Word has length 163 [2022-01-28 13:10:25,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:10:25,538 INFO L470 AbstractCegarLoop]: Abstraction has 51954 states and 142679 transitions. [2022-01-28 13:10:25,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:25,539 INFO L276 IsEmpty]: Start isEmpty. Operand 51954 states and 142679 transitions. [2022-01-28 13:10:25,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:10:25,591 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:10:25,592 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] [2022-01-28 13:10:25,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-01-28 13:10:25,592 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:10:25,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:10:25,592 INFO L85 PathProgramCache]: Analyzing trace with hash 884785672, now seen corresponding path program 66 times [2022-01-28 13:10:25,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:10:25,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817769094] [2022-01-28 13:10:25,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:10:25,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:10:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:10:25,842 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 13:10:25,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:10:25,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817769094] [2022-01-28 13:10:25,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817769094] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:10:25,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:10:25,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:10:25,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766781592] [2022-01-28 13:10:25,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:10:25,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:10:25,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:10:25,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:10:25,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:10:25,843 INFO L87 Difference]: Start difference. First operand 51954 states and 142679 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:28,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:10:28,324 INFO L93 Difference]: Finished difference Result 107821 states and 297145 transitions. [2022-01-28 13:10:28,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-28 13:10:28,325 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:10:28,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:10:28,559 INFO L225 Difference]: With dead ends: 107821 [2022-01-28 13:10:28,559 INFO L226 Difference]: Without dead ends: 107682 [2022-01-28 13:10:28,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 613 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=520, Invalid=2236, Unknown=0, NotChecked=0, Total=2756 [2022-01-28 13:10:28,559 INFO L933 BasicCegarLoop]: 899 mSDtfsCounter, 2633 mSDsluCounter, 11241 mSDsCounter, 0 mSdLazyCounter, 1834 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2633 SdHoareTripleChecker+Valid, 12049 SdHoareTripleChecker+Invalid, 1877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:10:28,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2633 Valid, 12049 Invalid, 1877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1834 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:10:28,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107682 states. [2022-01-28 13:10:29,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107682 to 52002. [2022-01-28 13:10:29,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52002 states, 52001 states have (on average 2.746081806119113) internal successors, (142799), 52001 states have internal predecessors, (142799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:30,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52002 states to 52002 states and 142799 transitions. [2022-01-28 13:10:30,244 INFO L78 Accepts]: Start accepts. Automaton has 52002 states and 142799 transitions. Word has length 163 [2022-01-28 13:10:30,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:10:30,245 INFO L470 AbstractCegarLoop]: Abstraction has 52002 states and 142799 transitions. [2022-01-28 13:10:30,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:30,245 INFO L276 IsEmpty]: Start isEmpty. Operand 52002 states and 142799 transitions. [2022-01-28 13:10:30,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:10:30,301 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:10:30,301 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] [2022-01-28 13:10:30,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-01-28 13:10:30,301 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:10:30,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:10:30,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1684404804, now seen corresponding path program 67 times [2022-01-28 13:10:30,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:10:30,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525050652] [2022-01-28 13:10:30,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:10:30,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:10:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:10:30,588 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 13:10:30,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:10:30,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525050652] [2022-01-28 13:10:30,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525050652] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:10:30,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:10:30,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:10:30,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294310994] [2022-01-28 13:10:30,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:10:30,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:10:30,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:10:30,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:10:30,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:10:30,590 INFO L87 Difference]: Start difference. First operand 52002 states and 142799 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:32,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:10:32,816 INFO L93 Difference]: Finished difference Result 107745 states and 296949 transitions. [2022-01-28 13:10:32,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-01-28 13:10:32,816 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:10:32,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:10:33,061 INFO L225 Difference]: With dead ends: 107745 [2022-01-28 13:10:33,061 INFO L226 Difference]: Without dead ends: 107579 [2022-01-28 13:10:33,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 471 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=464, Invalid=1888, Unknown=0, NotChecked=0, Total=2352 [2022-01-28 13:10:33,062 INFO L933 BasicCegarLoop]: 895 mSDtfsCounter, 2388 mSDsluCounter, 11395 mSDsCounter, 0 mSdLazyCounter, 1860 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2388 SdHoareTripleChecker+Valid, 12203 SdHoareTripleChecker+Invalid, 1893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-28 13:10:33,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2388 Valid, 12203 Invalid, 1893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1860 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-28 13:10:33,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107579 states. [2022-01-28 13:10:34,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107579 to 51966. [2022-01-28 13:10:34,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51966 states, 51965 states have (on average 2.746079091696334) internal successors, (142700), 51965 states have internal predecessors, (142700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:34,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51966 states to 51966 states and 142700 transitions. [2022-01-28 13:10:34,895 INFO L78 Accepts]: Start accepts. Automaton has 51966 states and 142700 transitions. Word has length 163 [2022-01-28 13:10:34,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:10:34,895 INFO L470 AbstractCegarLoop]: Abstraction has 51966 states and 142700 transitions. [2022-01-28 13:10:34,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:34,896 INFO L276 IsEmpty]: Start isEmpty. Operand 51966 states and 142700 transitions. [2022-01-28 13:10:34,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:10:34,947 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:10:34,947 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] [2022-01-28 13:10:34,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-01-28 13:10:34,948 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:10:34,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:10:34,948 INFO L85 PathProgramCache]: Analyzing trace with hash -278637108, now seen corresponding path program 68 times [2022-01-28 13:10:34,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:10:34,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347956048] [2022-01-28 13:10:34,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:10:34,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:10:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:10:35,221 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 13:10:35,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:10:35,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347956048] [2022-01-28 13:10:35,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347956048] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:10:35,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:10:35,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:10:35,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697152425] [2022-01-28 13:10:35,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:10:35,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:10:35,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:10:35,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:10:35,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:10:35,223 INFO L87 Difference]: Start difference. First operand 51966 states and 142700 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:37,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:10:37,523 INFO L93 Difference]: Finished difference Result 108066 states and 297723 transitions. [2022-01-28 13:10:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-28 13:10:37,523 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:10:37,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:10:37,778 INFO L225 Difference]: With dead ends: 108066 [2022-01-28 13:10:37,778 INFO L226 Difference]: Without dead ends: 107692 [2022-01-28 13:10:37,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=506, Invalid=2250, Unknown=0, NotChecked=0, Total=2756 [2022-01-28 13:10:37,778 INFO L933 BasicCegarLoop]: 924 mSDtfsCounter, 2671 mSDsluCounter, 11460 mSDsCounter, 0 mSdLazyCounter, 1933 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2671 SdHoareTripleChecker+Valid, 12284 SdHoareTripleChecker+Invalid, 1965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:10:37,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2671 Valid, 12284 Invalid, 1965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1933 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:10:38,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107692 states. [2022-01-28 13:10:39,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107692 to 51750. [2022-01-28 13:10:39,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51750 states, 51749 states have (on average 2.747376760903592) internal successors, (142174), 51749 states have internal predecessors, (142174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:39,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51750 states to 51750 states and 142174 transitions. [2022-01-28 13:10:39,528 INFO L78 Accepts]: Start accepts. Automaton has 51750 states and 142174 transitions. Word has length 163 [2022-01-28 13:10:39,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:10:39,528 INFO L470 AbstractCegarLoop]: Abstraction has 51750 states and 142174 transitions. [2022-01-28 13:10:39,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:39,529 INFO L276 IsEmpty]: Start isEmpty. Operand 51750 states and 142174 transitions. [2022-01-28 13:10:39,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:10:39,583 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:10:39,584 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] [2022-01-28 13:10:39,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-01-28 13:10:39,584 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:10:39,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:10:39,584 INFO L85 PathProgramCache]: Analyzing trace with hash 904366146, now seen corresponding path program 69 times [2022-01-28 13:10:39,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:10:39,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506321654] [2022-01-28 13:10:39,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:10:39,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:10:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:10:40,106 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 13:10:40,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:10:40,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506321654] [2022-01-28 13:10:40,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506321654] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:10:40,107 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:10:40,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:10:40,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755132257] [2022-01-28 13:10:40,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:10:40,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:10:40,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:10:40,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:10:40,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:10:40,107 INFO L87 Difference]: Start difference. First operand 51750 states and 142174 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:42,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:10:42,550 INFO L93 Difference]: Finished difference Result 108239 states and 297897 transitions. [2022-01-28 13:10:42,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-01-28 13:10:42,550 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:10:42,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:10:42,800 INFO L225 Difference]: With dead ends: 108239 [2022-01-28 13:10:42,801 INFO L226 Difference]: Without dead ends: 107815 [2022-01-28 13:10:42,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 675 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=548, Invalid=2314, Unknown=0, NotChecked=0, Total=2862 [2022-01-28 13:10:42,801 INFO L933 BasicCegarLoop]: 954 mSDtfsCounter, 3190 mSDsluCounter, 11047 mSDsCounter, 0 mSdLazyCounter, 2104 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3190 SdHoareTripleChecker+Valid, 11905 SdHoareTripleChecker+Invalid, 2136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:10:42,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3190 Valid, 11905 Invalid, 2136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2104 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:10:43,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107815 states. [2022-01-28 13:10:44,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107815 to 51766. [2022-01-28 13:10:44,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51766 states, 51765 states have (on average 2.7473002994301168) internal successors, (142214), 51765 states have internal predecessors, (142214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:44,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51766 states to 51766 states and 142214 transitions. [2022-01-28 13:10:44,668 INFO L78 Accepts]: Start accepts. Automaton has 51766 states and 142214 transitions. Word has length 163 [2022-01-28 13:10:44,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:10:44,669 INFO L470 AbstractCegarLoop]: Abstraction has 51766 states and 142214 transitions. [2022-01-28 13:10:44,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:44,669 INFO L276 IsEmpty]: Start isEmpty. Operand 51766 states and 142214 transitions. [2022-01-28 13:10:44,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:10:44,720 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:10:44,720 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] [2022-01-28 13:10:44,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-01-28 13:10:44,720 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:10:44,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:10:44,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1535444840, now seen corresponding path program 70 times [2022-01-28 13:10:44,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:10:44,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759176901] [2022-01-28 13:10:44,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:10:44,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:10:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:10:45,002 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 13:10:45,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:10:45,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759176901] [2022-01-28 13:10:45,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759176901] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:10:45,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:10:45,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:10:45,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815215572] [2022-01-28 13:10:45,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:10:45,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:10:45,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:10:45,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:10:45,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:10:45,004 INFO L87 Difference]: Start difference. First operand 51766 states and 142214 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:47,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:10:47,604 INFO L93 Difference]: Finished difference Result 109073 states and 300191 transitions. [2022-01-28 13:10:47,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-28 13:10:47,604 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:10:47,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:10:47,833 INFO L225 Difference]: With dead ends: 109073 [2022-01-28 13:10:47,833 INFO L226 Difference]: Without dead ends: 108668 [2022-01-28 13:10:47,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 827 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=608, Invalid=2698, Unknown=0, NotChecked=0, Total=3306 [2022-01-28 13:10:47,833 INFO L933 BasicCegarLoop]: 954 mSDtfsCounter, 3199 mSDsluCounter, 11422 mSDsCounter, 0 mSdLazyCounter, 2135 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3199 SdHoareTripleChecker+Valid, 12280 SdHoareTripleChecker+Invalid, 2170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-28 13:10:47,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3199 Valid, 12280 Invalid, 2170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2135 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-28 13:10:48,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108668 states. [2022-01-28 13:10:49,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108668 to 51922. [2022-01-28 13:10:49,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51922 states, 51921 states have (on average 2.7463068893126095) internal successors, (142591), 51921 states have internal predecessors, (142591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:49,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51922 states to 51922 states and 142591 transitions. [2022-01-28 13:10:49,610 INFO L78 Accepts]: Start accepts. Automaton has 51922 states and 142591 transitions. Word has length 163 [2022-01-28 13:10:49,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:10:49,611 INFO L470 AbstractCegarLoop]: Abstraction has 51922 states and 142591 transitions. [2022-01-28 13:10:49,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:49,611 INFO L276 IsEmpty]: Start isEmpty. Operand 51922 states and 142591 transitions. [2022-01-28 13:10:49,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:10:49,666 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:10:49,666 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] [2022-01-28 13:10:49,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-01-28 13:10:49,666 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:10:49,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:10:49,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1712209336, now seen corresponding path program 71 times [2022-01-28 13:10:49,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:10:49,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307997598] [2022-01-28 13:10:49,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:10:49,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:10:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:10:49,931 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 13:10:49,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:10:49,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307997598] [2022-01-28 13:10:49,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307997598] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:10:49,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:10:49,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:10:49,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323142608] [2022-01-28 13:10:49,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:10:49,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:10:49,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:10:49,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:10:49,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:10:49,932 INFO L87 Difference]: Start difference. First operand 51922 states and 142591 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:52,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:10:52,543 INFO L93 Difference]: Finished difference Result 107690 states and 296791 transitions. [2022-01-28 13:10:52,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-28 13:10:52,544 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:10:52,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:10:52,792 INFO L225 Difference]: With dead ends: 107690 [2022-01-28 13:10:52,792 INFO L226 Difference]: Without dead ends: 107551 [2022-01-28 13:10:52,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 691 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=574, Invalid=2396, Unknown=0, NotChecked=0, Total=2970 [2022-01-28 13:10:52,793 INFO L933 BasicCegarLoop]: 907 mSDtfsCounter, 2779 mSDsluCounter, 11138 mSDsCounter, 0 mSdLazyCounter, 1961 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2779 SdHoareTripleChecker+Valid, 11956 SdHoareTripleChecker+Invalid, 2004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-28 13:10:52,793 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2779 Valid, 11956 Invalid, 2004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1961 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-28 13:10:52,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107551 states. [2022-01-28 13:10:54,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107551 to 51970. [2022-01-28 13:10:54,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51970 states, 51969 states have (on average 2.7460793934845773) internal successors, (142711), 51969 states have internal predecessors, (142711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:54,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51970 states to 51970 states and 142711 transitions. [2022-01-28 13:10:54,561 INFO L78 Accepts]: Start accepts. Automaton has 51970 states and 142711 transitions. Word has length 163 [2022-01-28 13:10:54,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:10:54,561 INFO L470 AbstractCegarLoop]: Abstraction has 51970 states and 142711 transitions. [2022-01-28 13:10:54,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:54,562 INFO L276 IsEmpty]: Start isEmpty. Operand 51970 states and 142711 transitions. [2022-01-28 13:10:54,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:10:54,614 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:10:54,614 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] [2022-01-28 13:10:54,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-01-28 13:10:54,614 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:10:54,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:10:54,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1783138828, now seen corresponding path program 72 times [2022-01-28 13:10:54,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:10:54,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32929746] [2022-01-28 13:10:54,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:10:54,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:10:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:10:54,883 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 13:10:54,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:10:54,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32929746] [2022-01-28 13:10:54,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32929746] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:10:54,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:10:54,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:10:54,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762184067] [2022-01-28 13:10:54,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:10:54,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:10:54,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:10:54,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:10:54,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:10:54,884 INFO L87 Difference]: Start difference. First operand 51970 states and 142711 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:57,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:10:57,155 INFO L93 Difference]: Finished difference Result 107614 states and 296595 transitions. [2022-01-28 13:10:57,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-28 13:10:57,156 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:10:57,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:10:57,400 INFO L225 Difference]: With dead ends: 107614 [2022-01-28 13:10:57,401 INFO L226 Difference]: Without dead ends: 107448 [2022-01-28 13:10:57,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=508, Invalid=2042, Unknown=0, NotChecked=0, Total=2550 [2022-01-28 13:10:57,401 INFO L933 BasicCegarLoop]: 903 mSDtfsCounter, 2520 mSDsluCounter, 11778 mSDsCounter, 0 mSdLazyCounter, 2037 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2520 SdHoareTripleChecker+Valid, 12587 SdHoareTripleChecker+Invalid, 2069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:10:57,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2520 Valid, 12587 Invalid, 2069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2037 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:10:57,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107448 states. [2022-01-28 13:10:59,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107448 to 51934. [2022-01-28 13:10:59,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51934 states, 51933 states have (on average 2.746076675716789) internal successors, (142612), 51933 states have internal predecessors, (142612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:59,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51934 states to 51934 states and 142612 transitions. [2022-01-28 13:10:59,220 INFO L78 Accepts]: Start accepts. Automaton has 51934 states and 142612 transitions. Word has length 163 [2022-01-28 13:10:59,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:10:59,220 INFO L470 AbstractCegarLoop]: Abstraction has 51934 states and 142612 transitions. [2022-01-28 13:10:59,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:10:59,220 INFO L276 IsEmpty]: Start isEmpty. Operand 51934 states and 142612 transitions. [2022-01-28 13:10:59,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:10:59,275 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:10:59,275 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] [2022-01-28 13:10:59,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-01-28 13:10:59,275 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:10:59,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:10:59,275 INFO L85 PathProgramCache]: Analyzing trace with hash 548786556, now seen corresponding path program 73 times [2022-01-28 13:10:59,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:10:59,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329461830] [2022-01-28 13:10:59,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:10:59,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:10:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:10:59,511 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 13:10:59,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:10:59,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329461830] [2022-01-28 13:10:59,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329461830] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:10:59,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:10:59,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:10:59,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225979433] [2022-01-28 13:10:59,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:10:59,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:10:59,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:10:59,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:10:59,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:10:59,512 INFO L87 Difference]: Start difference. First operand 51934 states and 142612 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:01,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:11:01,955 INFO L93 Difference]: Finished difference Result 107935 states and 297369 transitions. [2022-01-28 13:11:01,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-01-28 13:11:01,955 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:11:01,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:11:02,458 INFO L225 Difference]: With dead ends: 107935 [2022-01-28 13:11:02,458 INFO L226 Difference]: Without dead ends: 107597 [2022-01-28 13:11:02,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 693 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=561, Invalid=2409, Unknown=0, NotChecked=0, Total=2970 [2022-01-28 13:11:02,459 INFO L933 BasicCegarLoop]: 932 mSDtfsCounter, 2609 mSDsluCounter, 11793 mSDsCounter, 0 mSdLazyCounter, 2151 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2609 SdHoareTripleChecker+Valid, 12620 SdHoareTripleChecker+Invalid, 2184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-28 13:11:02,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2609 Valid, 12620 Invalid, 2184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2151 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-28 13:11:02,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107597 states. [2022-01-28 13:11:03,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107597 to 51754. [2022-01-28 13:11:03,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51754 states, 51753 states have (on average 2.7472996734488824) internal successors, (142181), 51753 states have internal predecessors, (142181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:04,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51754 states to 51754 states and 142181 transitions. [2022-01-28 13:11:04,326 INFO L78 Accepts]: Start accepts. Automaton has 51754 states and 142181 transitions. Word has length 163 [2022-01-28 13:11:04,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:11:04,326 INFO L470 AbstractCegarLoop]: Abstraction has 51754 states and 142181 transitions. [2022-01-28 13:11:04,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:04,327 INFO L276 IsEmpty]: Start isEmpty. Operand 51754 states and 142181 transitions. [2022-01-28 13:11:04,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:11:04,397 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:11:04,397 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] [2022-01-28 13:11:04,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-01-28 13:11:04,397 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:11:04,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:11:04,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1807372512, now seen corresponding path program 74 times [2022-01-28 13:11:04,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:11:04,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531829469] [2022-01-28 13:11:04,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:11:04,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:11:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:11:04,706 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 13:11:04,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:11:04,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531829469] [2022-01-28 13:11:04,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531829469] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:11:04,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:11:04,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:11:04,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724011066] [2022-01-28 13:11:04,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:11:04,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:11:04,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:11:04,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:11:04,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:11:04,708 INFO L87 Difference]: Start difference. First operand 51754 states and 142181 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:07,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:11:07,419 INFO L93 Difference]: Finished difference Result 108213 states and 297975 transitions. [2022-01-28 13:11:07,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-28 13:11:07,420 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:11:07,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:11:07,662 INFO L225 Difference]: With dead ends: 108213 [2022-01-28 13:11:07,662 INFO L226 Difference]: Without dead ends: 107808 [2022-01-28 13:11:07,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=638, Invalid=2784, Unknown=0, NotChecked=0, Total=3422 [2022-01-28 13:11:07,662 INFO L933 BasicCegarLoop]: 976 mSDtfsCounter, 2963 mSDsluCounter, 12298 mSDsCounter, 0 mSdLazyCounter, 2253 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2963 SdHoareTripleChecker+Valid, 13163 SdHoareTripleChecker+Invalid, 2287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-28 13:11:07,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2963 Valid, 13163 Invalid, 2287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2253 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-28 13:11:07,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107808 states. [2022-01-28 13:11:09,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107808 to 51962. [2022-01-28 13:11:09,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51962 states, 51961 states have (on average 2.7463097322992245) internal successors, (142701), 51961 states have internal predecessors, (142701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:09,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51962 states to 51962 states and 142701 transitions. [2022-01-28 13:11:09,490 INFO L78 Accepts]: Start accepts. Automaton has 51962 states and 142701 transitions. Word has length 163 [2022-01-28 13:11:09,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:11:09,490 INFO L470 AbstractCegarLoop]: Abstraction has 51962 states and 142701 transitions. [2022-01-28 13:11:09,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:09,490 INFO L276 IsEmpty]: Start isEmpty. Operand 51962 states and 142701 transitions. [2022-01-28 13:11:09,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:11:09,548 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:11:09,548 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] [2022-01-28 13:11:09,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-01-28 13:11:09,548 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:11:09,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:11:09,549 INFO L85 PathProgramCache]: Analyzing trace with hash 760059392, now seen corresponding path program 75 times [2022-01-28 13:11:09,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:11:09,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858788346] [2022-01-28 13:11:09,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:11:09,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:11:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:11:09,796 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 13:11:09,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:11:09,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858788346] [2022-01-28 13:11:09,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858788346] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:11:09,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:11:09,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:11:09,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185424245] [2022-01-28 13:11:09,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:11:09,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:11:09,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:11:09,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:11:09,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:11:09,798 INFO L87 Difference]: Start difference. First operand 51962 states and 142701 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:12,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:11:12,270 INFO L93 Difference]: Finished difference Result 107527 states and 296415 transitions. [2022-01-28 13:11:12,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-28 13:11:12,270 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:11:12,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:11:12,522 INFO L225 Difference]: With dead ends: 107527 [2022-01-28 13:11:12,523 INFO L226 Difference]: Without dead ends: 107388 [2022-01-28 13:11:12,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 781 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=618, Invalid=2574, Unknown=0, NotChecked=0, Total=3192 [2022-01-28 13:11:12,524 INFO L933 BasicCegarLoop]: 928 mSDtfsCounter, 3042 mSDsluCounter, 11036 mSDsCounter, 0 mSdLazyCounter, 1943 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3042 SdHoareTripleChecker+Valid, 11879 SdHoareTripleChecker+Invalid, 1990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:11:12,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3042 Valid, 11879 Invalid, 1990 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [47 Valid, 1943 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:11:12,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107388 states. [2022-01-28 13:11:14,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107388 to 52010. [2022-01-28 13:11:14,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52010 states, 52009 states have (on average 2.746082408813859) internal successors, (142821), 52009 states have internal predecessors, (142821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:14,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52010 states to 52010 states and 142821 transitions. [2022-01-28 13:11:14,269 INFO L78 Accepts]: Start accepts. Automaton has 52010 states and 142821 transitions. Word has length 163 [2022-01-28 13:11:14,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:11:14,269 INFO L470 AbstractCegarLoop]: Abstraction has 52010 states and 142821 transitions. [2022-01-28 13:11:14,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:14,269 INFO L276 IsEmpty]: Start isEmpty. Operand 52010 states and 142821 transitions. [2022-01-28 13:11:14,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:11:14,316 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:11:14,316 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] [2022-01-28 13:11:14,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-01-28 13:11:14,316 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:11:14,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:11:14,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1559678524, now seen corresponding path program 76 times [2022-01-28 13:11:14,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:11:14,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025429825] [2022-01-28 13:11:14,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:11:14,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:11:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:11:14,547 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 13:11:14,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:11:14,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025429825] [2022-01-28 13:11:14,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025429825] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:11:14,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:11:14,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:11:14,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656197954] [2022-01-28 13:11:14,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:11:14,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:11:14,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:11:14,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:11:14,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:11:14,548 INFO L87 Difference]: Start difference. First operand 52010 states and 142821 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:17,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:11:17,151 INFO L93 Difference]: Finished difference Result 107451 states and 296219 transitions. [2022-01-28 13:11:17,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-01-28 13:11:17,152 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:11:17,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:11:17,410 INFO L225 Difference]: With dead ends: 107451 [2022-01-28 13:11:17,410 INFO L226 Difference]: Without dead ends: 107285 [2022-01-28 13:11:17,411 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=545, Invalid=2211, Unknown=0, NotChecked=0, Total=2756 [2022-01-28 13:11:17,411 INFO L933 BasicCegarLoop]: 924 mSDtfsCounter, 2566 mSDsluCounter, 11739 mSDsCounter, 0 mSdLazyCounter, 2022 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2566 SdHoareTripleChecker+Valid, 12571 SdHoareTripleChecker+Invalid, 2057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:11:17,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2566 Valid, 12571 Invalid, 2057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2022 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:11:17,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107285 states. [2022-01-28 13:11:18,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107285 to 51974. [2022-01-28 13:11:19,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51974 states, 51973 states have (on average 2.7460796952263675) internal successors, (142722), 51973 states have internal predecessors, (142722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:19,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51974 states to 51974 states and 142722 transitions. [2022-01-28 13:11:19,199 INFO L78 Accepts]: Start accepts. Automaton has 51974 states and 142722 transitions. Word has length 163 [2022-01-28 13:11:19,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:11:19,199 INFO L470 AbstractCegarLoop]: Abstraction has 51974 states and 142722 transitions. [2022-01-28 13:11:19,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:19,199 INFO L276 IsEmpty]: Start isEmpty. Operand 51974 states and 142722 transitions. [2022-01-28 13:11:19,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:11:19,256 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:11:19,256 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] [2022-01-28 13:11:19,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-01-28 13:11:19,256 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:11:19,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:11:19,257 INFO L85 PathProgramCache]: Analyzing trace with hash -403363388, now seen corresponding path program 77 times [2022-01-28 13:11:19,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:11:19,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953083789] [2022-01-28 13:11:19,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:11:19,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:11:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:11:19,555 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 13:11:19,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:11:19,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953083789] [2022-01-28 13:11:19,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953083789] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:11:19,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:11:19,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:11:19,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056288738] [2022-01-28 13:11:19,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:11:19,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:11:19,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:11:19,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:11:19,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:11:19,556 INFO L87 Difference]: Start difference. First operand 51974 states and 142722 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:22,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:11:22,771 INFO L93 Difference]: Finished difference Result 151826 states and 419297 transitions. [2022-01-28 13:11:22,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-01-28 13:11:22,771 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:11:22,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:11:23,380 INFO L225 Difference]: With dead ends: 151826 [2022-01-28 13:11:23,380 INFO L226 Difference]: Without dead ends: 151192 [2022-01-28 13:11:23,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 534 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=576, Invalid=1974, Unknown=0, NotChecked=0, Total=2550 [2022-01-28 13:11:23,381 INFO L933 BasicCegarLoop]: 921 mSDtfsCounter, 3020 mSDsluCounter, 11376 mSDsCounter, 0 mSdLazyCounter, 2060 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3020 SdHoareTripleChecker+Valid, 12195 SdHoareTripleChecker+Invalid, 2107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-28 13:11:23,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3020 Valid, 12195 Invalid, 2107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2060 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-28 13:11:23,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151192 states. [2022-01-28 13:11:25,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151192 to 51626. [2022-01-28 13:11:25,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51626 states, 51625 states have (on average 2.7475254237288134) internal successors, (141841), 51625 states have internal predecessors, (141841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:25,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51626 states to 51626 states and 141841 transitions. [2022-01-28 13:11:25,354 INFO L78 Accepts]: Start accepts. Automaton has 51626 states and 141841 transitions. Word has length 163 [2022-01-28 13:11:25,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:11:25,355 INFO L470 AbstractCegarLoop]: Abstraction has 51626 states and 141841 transitions. [2022-01-28 13:11:25,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:25,355 INFO L276 IsEmpty]: Start isEmpty. Operand 51626 states and 141841 transitions. [2022-01-28 13:11:25,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:11:25,411 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:11:25,411 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] [2022-01-28 13:11:25,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-01-28 13:11:25,411 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:11:25,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:11:25,411 INFO L85 PathProgramCache]: Analyzing trace with hash -75461088, now seen corresponding path program 78 times [2022-01-28 13:11:25,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:11:25,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639065981] [2022-01-28 13:11:25,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:11:25,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:11:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:11:25,692 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 13:11:25,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:11:25,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639065981] [2022-01-28 13:11:25,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639065981] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:11:25,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:11:25,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:11:25,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475255721] [2022-01-28 13:11:25,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:11:25,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:11:25,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:11:25,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:11:25,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:11:25,694 INFO L87 Difference]: Start difference. First operand 51626 states and 141841 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:28,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:11:28,336 INFO L93 Difference]: Finished difference Result 134888 states and 371510 transitions. [2022-01-28 13:11:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-28 13:11:28,336 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:11:28,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:11:28,883 INFO L225 Difference]: With dead ends: 134888 [2022-01-28 13:11:28,883 INFO L226 Difference]: Without dead ends: 134534 [2022-01-28 13:11:28,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 853 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=672, Invalid=2634, Unknown=0, NotChecked=0, Total=3306 [2022-01-28 13:11:28,883 INFO L933 BasicCegarLoop]: 939 mSDtfsCounter, 3558 mSDsluCounter, 11470 mSDsCounter, 0 mSdLazyCounter, 2190 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3558 SdHoareTripleChecker+Valid, 12296 SdHoareTripleChecker+Invalid, 2220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 2190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-28 13:11:28,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3558 Valid, 12296 Invalid, 2220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 2190 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-28 13:11:29,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134534 states. [2022-01-28 13:11:30,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134534 to 52730. [2022-01-28 13:11:30,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52730 states, 52729 states have (on average 2.7465910599480363) internal successors, (144825), 52729 states have internal predecessors, (144825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:30,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52730 states to 52730 states and 144825 transitions. [2022-01-28 13:11:30,782 INFO L78 Accepts]: Start accepts. Automaton has 52730 states and 144825 transitions. Word has length 163 [2022-01-28 13:11:30,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:11:30,782 INFO L470 AbstractCegarLoop]: Abstraction has 52730 states and 144825 transitions. [2022-01-28 13:11:30,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:30,782 INFO L276 IsEmpty]: Start isEmpty. Operand 52730 states and 144825 transitions. [2022-01-28 13:11:30,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:11:30,834 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:11:30,834 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] [2022-01-28 13:11:30,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-01-28 13:11:30,834 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:11:30,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:11:30,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1080162054, now seen corresponding path program 79 times [2022-01-28 13:11:30,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:11:30,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942730109] [2022-01-28 13:11:30,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:11:30,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:11:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:11:31,081 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 13:11:31,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:11:31,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942730109] [2022-01-28 13:11:31,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942730109] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:11:31,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:11:31,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:11:31,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440337710] [2022-01-28 13:11:31,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:11:31,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:11:31,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:11:31,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:11:31,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:11:31,082 INFO L87 Difference]: Start difference. First operand 52730 states and 144825 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:33,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:11:33,771 INFO L93 Difference]: Finished difference Result 134756 states and 371214 transitions. [2022-01-28 13:11:33,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-28 13:11:33,772 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:11:33,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:11:34,336 INFO L225 Difference]: With dead ends: 134756 [2022-01-28 13:11:34,336 INFO L226 Difference]: Without dead ends: 134617 [2022-01-28 13:11:34,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 833 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=734, Invalid=2572, Unknown=0, NotChecked=0, Total=3306 [2022-01-28 13:11:34,336 INFO L933 BasicCegarLoop]: 895 mSDtfsCounter, 3176 mSDsluCounter, 11938 mSDsCounter, 0 mSdLazyCounter, 2222 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3176 SdHoareTripleChecker+Valid, 12712 SdHoareTripleChecker+Invalid, 2272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 2222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:11:34,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3176 Valid, 12712 Invalid, 2272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 2222 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:11:34,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134617 states. [2022-01-28 13:11:36,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134617 to 52778. [2022-01-28 13:11:36,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52778 states, 52777 states have (on average 2.7463667885631997) internal successors, (144945), 52777 states have internal predecessors, (144945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:36,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52778 states to 52778 states and 144945 transitions. [2022-01-28 13:11:36,311 INFO L78 Accepts]: Start accepts. Automaton has 52778 states and 144945 transitions. Word has length 163 [2022-01-28 13:11:36,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:11:36,311 INFO L470 AbstractCegarLoop]: Abstraction has 52778 states and 144945 transitions. [2022-01-28 13:11:36,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:36,311 INFO L276 IsEmpty]: Start isEmpty. Operand 52778 states and 144945 transitions. [2022-01-28 13:11:36,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:11:36,368 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:11:36,368 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] [2022-01-28 13:11:36,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-01-28 13:11:36,368 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:11:36,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:11:36,369 INFO L85 PathProgramCache]: Analyzing trace with hash -280542922, now seen corresponding path program 80 times [2022-01-28 13:11:36,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:11:36,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234630174] [2022-01-28 13:11:36,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:11:36,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:11:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:11:36,606 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 13:11:36,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:11:36,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234630174] [2022-01-28 13:11:36,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234630174] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:11:36,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:11:36,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:11:36,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058420038] [2022-01-28 13:11:36,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:11:36,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:11:36,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:11:36,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:11:36,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:11:36,608 INFO L87 Difference]: Start difference. First operand 52778 states and 144945 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:39,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:11:39,196 INFO L93 Difference]: Finished difference Result 134747 states and 371184 transitions. [2022-01-28 13:11:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-28 13:11:39,196 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:11:39,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:11:39,839 INFO L225 Difference]: With dead ends: 134747 [2022-01-28 13:11:39,839 INFO L226 Difference]: Without dead ends: 134581 [2022-01-28 13:11:39,840 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 793 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=678, Invalid=2514, Unknown=0, NotChecked=0, Total=3192 [2022-01-28 13:11:39,840 INFO L933 BasicCegarLoop]: 898 mSDtfsCounter, 3563 mSDsluCounter, 10806 mSDsCounter, 0 mSdLazyCounter, 2072 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3563 SdHoareTripleChecker+Valid, 11605 SdHoareTripleChecker+Invalid, 2108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:11:39,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3563 Valid, 11605 Invalid, 2108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2072 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:11:40,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134581 states. [2022-01-28 13:11:41,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134581 to 52742. [2022-01-28 13:11:41,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52742 states, 52741 states have (on average 2.7463643086024154) internal successors, (144846), 52741 states have internal predecessors, (144846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:41,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52742 states to 52742 states and 144846 transitions. [2022-01-28 13:11:41,911 INFO L78 Accepts]: Start accepts. Automaton has 52742 states and 144846 transitions. Word has length 163 [2022-01-28 13:11:41,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:11:41,911 INFO L470 AbstractCegarLoop]: Abstraction has 52742 states and 144846 transitions. [2022-01-28 13:11:41,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:41,911 INFO L276 IsEmpty]: Start isEmpty. Operand 52742 states and 144846 transitions. [2022-01-28 13:11:41,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:11:41,971 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:11:41,971 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] [2022-01-28 13:11:41,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-01-28 13:11:41,972 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:11:41,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:11:41,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1007631742, now seen corresponding path program 81 times [2022-01-28 13:11:41,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:11:41,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543972520] [2022-01-28 13:11:41,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:11:41,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:11:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:11:42,226 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 13:11:42,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:11:42,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543972520] [2022-01-28 13:11:42,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543972520] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:11:42,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:11:42,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:11:42,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3080050] [2022-01-28 13:11:42,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:11:42,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:11:42,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:11:42,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:11:42,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:11:42,228 INFO L87 Difference]: Start difference. First operand 52742 states and 144846 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:44,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:11:44,934 INFO L93 Difference]: Finished difference Result 134996 states and 371811 transitions. [2022-01-28 13:11:44,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-28 13:11:44,934 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:11:44,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:11:45,299 INFO L225 Difference]: With dead ends: 134996 [2022-01-28 13:11:45,299 INFO L226 Difference]: Without dead ends: 134682 [2022-01-28 13:11:45,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 876 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=705, Invalid=2717, Unknown=0, NotChecked=0, Total=3422 [2022-01-28 13:11:45,300 INFO L933 BasicCegarLoop]: 918 mSDtfsCounter, 3172 mSDsluCounter, 11472 mSDsCounter, 0 mSdLazyCounter, 2196 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3172 SdHoareTripleChecker+Valid, 12281 SdHoareTripleChecker+Invalid, 2231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 2196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:11:45,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3172 Valid, 12281 Invalid, 2231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 2196 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:11:45,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134682 states. [2022-01-28 13:11:47,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134682 to 52574. [2022-01-28 13:11:47,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52574 states, 52573 states have (on average 2.7465809445913303) internal successors, (144396), 52573 states have internal predecessors, (144396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:47,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52574 states to 52574 states and 144396 transitions. [2022-01-28 13:11:47,583 INFO L78 Accepts]: Start accepts. Automaton has 52574 states and 144396 transitions. Word has length 163 [2022-01-28 13:11:47,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:11:47,583 INFO L470 AbstractCegarLoop]: Abstraction has 52574 states and 144396 transitions. [2022-01-28 13:11:47,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:47,583 INFO L276 IsEmpty]: Start isEmpty. Operand 52574 states and 144396 transitions. [2022-01-28 13:11:47,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:11:47,638 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:11:47,638 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] [2022-01-28 13:11:47,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-01-28 13:11:47,638 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:11:47,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:11:47,639 INFO L85 PathProgramCache]: Analyzing trace with hash 528405526, now seen corresponding path program 82 times [2022-01-28 13:11:47,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:11:47,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072098912] [2022-01-28 13:11:47,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:11:47,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:11:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:11:47,912 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 13:11:47,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:11:47,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072098912] [2022-01-28 13:11:47,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072098912] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:11:47,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:11:47,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:11:47,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525810957] [2022-01-28 13:11:47,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:11:47,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:11:47,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:11:47,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:11:47,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:11:47,914 INFO L87 Difference]: Start difference. First operand 52574 states and 144396 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:51,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:11:51,074 INFO L93 Difference]: Finished difference Result 137303 states and 378120 transitions. [2022-01-28 13:11:51,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-01-28 13:11:51,074 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:11:51,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:11:51,621 INFO L225 Difference]: With dead ends: 137303 [2022-01-28 13:11:51,621 INFO L226 Difference]: Without dead ends: 137049 [2022-01-28 13:11:51,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 664 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=666, Invalid=2196, Unknown=0, NotChecked=0, Total=2862 [2022-01-28 13:11:51,622 INFO L933 BasicCegarLoop]: 892 mSDtfsCounter, 3242 mSDsluCounter, 11549 mSDsCounter, 0 mSdLazyCounter, 2261 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3242 SdHoareTripleChecker+Valid, 12337 SdHoareTripleChecker+Invalid, 2308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:11:51,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3242 Valid, 12337 Invalid, 2308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2261 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:11:51,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137049 states. [2022-01-28 13:11:53,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137049 to 52578. [2022-01-28 13:11:53,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52578 states, 52577 states have (on average 2.7465051258154705) internal successors, (144403), 52577 states have internal predecessors, (144403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:53,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52578 states to 52578 states and 144403 transitions. [2022-01-28 13:11:53,570 INFO L78 Accepts]: Start accepts. Automaton has 52578 states and 144403 transitions. Word has length 163 [2022-01-28 13:11:53,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:11:53,570 INFO L470 AbstractCegarLoop]: Abstraction has 52578 states and 144403 transitions. [2022-01-28 13:11:53,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:53,570 INFO L276 IsEmpty]: Start isEmpty. Operand 52578 states and 144403 transitions. [2022-01-28 13:11:53,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:11:53,622 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:11:53,622 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] [2022-01-28 13:11:53,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-01-28 13:11:53,622 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:11:53,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:11:53,622 INFO L85 PathProgramCache]: Analyzing trace with hash -279711918, now seen corresponding path program 83 times [2022-01-28 13:11:53,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:11:53,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457481662] [2022-01-28 13:11:53,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:11:53,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:11:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:11:53,865 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 13:11:53,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:11:53,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457481662] [2022-01-28 13:11:53,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457481662] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:11:53,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:11:53,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:11:53,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985673782] [2022-01-28 13:11:53,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:11:53,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:11:53,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:11:53,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:11:53,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:11:53,866 INFO L87 Difference]: Start difference. First operand 52578 states and 144403 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:56,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:11:56,530 INFO L93 Difference]: Finished difference Result 137435 states and 378532 transitions. [2022-01-28 13:11:56,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-01-28 13:11:56,530 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:11:56,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:11:57,103 INFO L225 Difference]: With dead ends: 137435 [2022-01-28 13:11:57,103 INFO L226 Difference]: Without dead ends: 137296 [2022-01-28 13:11:57,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=768, Invalid=2654, Unknown=0, NotChecked=0, Total=3422 [2022-01-28 13:11:57,103 INFO L933 BasicCegarLoop]: 893 mSDtfsCounter, 3447 mSDsluCounter, 10761 mSDsCounter, 0 mSdLazyCounter, 2100 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3447 SdHoareTripleChecker+Valid, 11559 SdHoareTripleChecker+Invalid, 2142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:11:57,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3447 Valid, 11559 Invalid, 2142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2100 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:11:57,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137296 states. [2022-01-28 13:11:58,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137296 to 52626. [2022-01-28 13:11:58,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52626 states, 52625 states have (on average 2.7462802850356294) internal successors, (144523), 52625 states have internal predecessors, (144523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:59,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52626 states to 52626 states and 144523 transitions. [2022-01-28 13:11:59,121 INFO L78 Accepts]: Start accepts. Automaton has 52626 states and 144523 transitions. Word has length 163 [2022-01-28 13:11:59,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:11:59,121 INFO L470 AbstractCegarLoop]: Abstraction has 52626 states and 144523 transitions. [2022-01-28 13:11:59,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:11:59,121 INFO L276 IsEmpty]: Start isEmpty. Operand 52626 states and 144523 transitions. [2022-01-28 13:11:59,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:11:59,192 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:11:59,192 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] [2022-01-28 13:11:59,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-01-28 13:11:59,193 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:11:59,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:11:59,194 INFO L85 PathProgramCache]: Analyzing trace with hash 519907214, now seen corresponding path program 84 times [2022-01-28 13:11:59,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:11:59,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533245426] [2022-01-28 13:11:59,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:11:59,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:11:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:11:59,556 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 13:11:59,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:11:59,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533245426] [2022-01-28 13:11:59,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533245426] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:11:59,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:11:59,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:11:59,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98588477] [2022-01-28 13:11:59,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:11:59,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:11:59,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:11:59,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:11:59,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:11:59,557 INFO L87 Difference]: Start difference. First operand 52626 states and 144523 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:02,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:12:02,315 INFO L93 Difference]: Finished difference Result 137426 states and 378502 transitions. [2022-01-28 13:12:02,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-28 13:12:02,316 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:12:02,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:12:02,915 INFO L225 Difference]: With dead ends: 137426 [2022-01-28 13:12:02,916 INFO L226 Difference]: Without dead ends: 137260 [2022-01-28 13:12:02,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 841 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=717, Invalid=2589, Unknown=0, NotChecked=0, Total=3306 [2022-01-28 13:12:02,916 INFO L933 BasicCegarLoop]: 896 mSDtfsCounter, 3619 mSDsluCounter, 10804 mSDsCounter, 0 mSdLazyCounter, 2095 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3619 SdHoareTripleChecker+Valid, 11602 SdHoareTripleChecker+Invalid, 2122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:12:02,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3619 Valid, 11602 Invalid, 2122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2095 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:12:03,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137260 states. [2022-01-28 13:12:04,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137260 to 52590. [2022-01-28 13:12:04,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52590 states, 52589 states have (on average 2.7462777386906008) internal successors, (144424), 52589 states have internal predecessors, (144424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:04,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52590 states to 52590 states and 144424 transitions. [2022-01-28 13:12:04,917 INFO L78 Accepts]: Start accepts. Automaton has 52590 states and 144424 transitions. Word has length 163 [2022-01-28 13:12:04,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:12:04,917 INFO L470 AbstractCegarLoop]: Abstraction has 52590 states and 144424 transitions. [2022-01-28 13:12:04,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:04,917 INFO L276 IsEmpty]: Start isEmpty. Operand 52590 states and 144424 transitions. [2022-01-28 13:12:04,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:12:04,972 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:12:04,973 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] [2022-01-28 13:12:04,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-01-28 13:12:04,973 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:12:04,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:12:04,973 INFO L85 PathProgramCache]: Analyzing trace with hash 788542230, now seen corresponding path program 85 times [2022-01-28 13:12:04,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:12:04,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183291271] [2022-01-28 13:12:04,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:12:04,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:12:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:12:05,234 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 13:12:05,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:12:05,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183291271] [2022-01-28 13:12:05,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183291271] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:12:05,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:12:05,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:12:05,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854926317] [2022-01-28 13:12:05,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:12:05,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:12:05,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:12:05,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:12:05,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:12:05,235 INFO L87 Difference]: Start difference. First operand 52590 states and 144424 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:09,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:12:09,320 INFO L93 Difference]: Finished difference Result 134835 states and 371436 transitions. [2022-01-28 13:12:09,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-01-28 13:12:09,321 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:12:09,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:12:09,625 INFO L225 Difference]: With dead ends: 134835 [2022-01-28 13:12:09,626 INFO L226 Difference]: Without dead ends: 133002 [2022-01-28 13:12:09,626 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1440 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1142, Invalid=3828, Unknown=0, NotChecked=0, Total=4970 [2022-01-28 13:12:09,626 INFO L933 BasicCegarLoop]: 983 mSDtfsCounter, 4363 mSDsluCounter, 11396 mSDsCounter, 0 mSdLazyCounter, 2486 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4363 SdHoareTripleChecker+Valid, 12288 SdHoareTripleChecker+Invalid, 2570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 2486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-28 13:12:09,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4363 Valid, 12288 Invalid, 2570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 2486 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-28 13:12:09,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133002 states. [2022-01-28 13:12:11,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133002 to 51638. [2022-01-28 13:12:11,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51638 states, 51637 states have (on average 2.747293607297093) internal successors, (141862), 51637 states have internal predecessors, (141862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:11,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51638 states to 51638 states and 141862 transitions. [2022-01-28 13:12:11,677 INFO L78 Accepts]: Start accepts. Automaton has 51638 states and 141862 transitions. Word has length 163 [2022-01-28 13:12:11,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:12:11,677 INFO L470 AbstractCegarLoop]: Abstraction has 51638 states and 141862 transitions. [2022-01-28 13:12:11,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:11,677 INFO L276 IsEmpty]: Start isEmpty. Operand 51638 states and 141862 transitions. [2022-01-28 13:12:11,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:12:11,734 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:12:11,734 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] [2022-01-28 13:12:11,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-01-28 13:12:11,734 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:12:11,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:12:11,734 INFO L85 PathProgramCache]: Analyzing trace with hash 106116924, now seen corresponding path program 86 times [2022-01-28 13:12:11,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:12:11,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545688186] [2022-01-28 13:12:11,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:12:11,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:12:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:12:11,972 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 13:12:11,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:12:11,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545688186] [2022-01-28 13:12:11,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545688186] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:12:11,972 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:12:11,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:12:11,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040887445] [2022-01-28 13:12:11,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:12:11,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:12:11,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:12:11,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:12:11,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:12:11,973 INFO L87 Difference]: Start difference. First operand 51638 states and 141862 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:14,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:12:14,872 INFO L93 Difference]: Finished difference Result 133104 states and 366610 transitions. [2022-01-28 13:12:14,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-28 13:12:14,873 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:12:14,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:12:15,193 INFO L225 Difference]: With dead ends: 133104 [2022-01-28 13:12:15,194 INFO L226 Difference]: Without dead ends: 132750 [2022-01-28 13:12:15,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 837 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=660, Invalid=2646, Unknown=0, NotChecked=0, Total=3306 [2022-01-28 13:12:15,194 INFO L933 BasicCegarLoop]: 906 mSDtfsCounter, 3851 mSDsluCounter, 10792 mSDsCounter, 0 mSdLazyCounter, 2136 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3851 SdHoareTripleChecker+Valid, 11595 SdHoareTripleChecker+Invalid, 2164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:12:15,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3851 Valid, 11595 Invalid, 2164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2136 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:12:15,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132750 states. [2022-01-28 13:12:16,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132750 to 52578. [2022-01-28 13:12:17,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52578 states, 52577 states have (on average 2.746352968027845) internal successors, (144395), 52577 states have internal predecessors, (144395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:17,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52578 states to 52578 states and 144395 transitions. [2022-01-28 13:12:17,168 INFO L78 Accepts]: Start accepts. Automaton has 52578 states and 144395 transitions. Word has length 163 [2022-01-28 13:12:17,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:12:17,169 INFO L470 AbstractCegarLoop]: Abstraction has 52578 states and 144395 transitions. [2022-01-28 13:12:17,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:17,169 INFO L276 IsEmpty]: Start isEmpty. Operand 52578 states and 144395 transitions. [2022-01-28 13:12:17,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:12:17,231 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:12:17,231 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] [2022-01-28 13:12:17,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-01-28 13:12:17,231 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:12:17,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:12:17,232 INFO L85 PathProgramCache]: Analyzing trace with hash -898584042, now seen corresponding path program 87 times [2022-01-28 13:12:17,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:12:17,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365747389] [2022-01-28 13:12:17,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:12:17,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:12:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:12:17,479 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 13:12:17,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:12:17,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365747389] [2022-01-28 13:12:17,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365747389] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:12:17,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:12:17,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:12:17,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416321684] [2022-01-28 13:12:17,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:12:17,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:12:17,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:12:17,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:12:17,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:12:17,481 INFO L87 Difference]: Start difference. First operand 52578 states and 144395 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:20,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:12:20,162 INFO L93 Difference]: Finished difference Result 132972 states and 366314 transitions. [2022-01-28 13:12:20,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-28 13:12:20,163 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:12:20,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:12:20,704 INFO L225 Difference]: With dead ends: 132972 [2022-01-28 13:12:20,704 INFO L226 Difference]: Without dead ends: 132833 [2022-01-28 13:12:20,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 821 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=728, Invalid=2578, Unknown=0, NotChecked=0, Total=3306 [2022-01-28 13:12:20,705 INFO L933 BasicCegarLoop]: 862 mSDtfsCounter, 3541 mSDsluCounter, 10565 mSDsCounter, 0 mSdLazyCounter, 2110 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3541 SdHoareTripleChecker+Valid, 11332 SdHoareTripleChecker+Invalid, 2157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 2110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:12:20,705 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3541 Valid, 11332 Invalid, 2157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 2110 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:12:20,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132833 states. [2022-01-28 13:12:22,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132833 to 52626. [2022-01-28 13:12:22,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52626 states, 52625 states have (on average 2.746128266033254) internal successors, (144515), 52625 states have internal predecessors, (144515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:22,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52626 states to 52626 states and 144515 transitions. [2022-01-28 13:12:22,702 INFO L78 Accepts]: Start accepts. Automaton has 52626 states and 144515 transitions. Word has length 163 [2022-01-28 13:12:22,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:12:22,702 INFO L470 AbstractCegarLoop]: Abstraction has 52626 states and 144515 transitions. [2022-01-28 13:12:22,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:22,702 INFO L276 IsEmpty]: Start isEmpty. Operand 52626 states and 144515 transitions. [2022-01-28 13:12:22,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:12:22,761 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:12:22,761 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] [2022-01-28 13:12:22,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-01-28 13:12:22,761 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:12:22,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:12:22,761 INFO L85 PathProgramCache]: Analyzing trace with hash -98964910, now seen corresponding path program 88 times [2022-01-28 13:12:22,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:12:22,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794919370] [2022-01-28 13:12:22,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:12:22,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:12:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:12:23,013 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 13:12:23,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:12:23,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794919370] [2022-01-28 13:12:23,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794919370] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:12:23,013 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:12:23,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:12:23,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326931302] [2022-01-28 13:12:23,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:12:23,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:12:23,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:12:23,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:12:23,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:12:23,014 INFO L87 Difference]: Start difference. First operand 52626 states and 144515 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:25,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:12:25,694 INFO L93 Difference]: Finished difference Result 132963 states and 366284 transitions. [2022-01-28 13:12:25,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-28 13:12:25,695 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:12:25,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:12:26,234 INFO L225 Difference]: With dead ends: 132963 [2022-01-28 13:12:26,234 INFO L226 Difference]: Without dead ends: 132797 [2022-01-28 13:12:26,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 777 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=672, Invalid=2520, Unknown=0, NotChecked=0, Total=3192 [2022-01-28 13:12:26,234 INFO L933 BasicCegarLoop]: 865 mSDtfsCounter, 3315 mSDsluCounter, 11432 mSDsCounter, 0 mSdLazyCounter, 2241 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3315 SdHoareTripleChecker+Valid, 12184 SdHoareTripleChecker+Invalid, 2274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:12:26,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3315 Valid, 12184 Invalid, 2274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2241 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:12:26,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132797 states. [2022-01-28 13:12:28,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132797 to 52590. [2022-01-28 13:12:28,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52590 states, 52589 states have (on average 2.746125615623039) internal successors, (144416), 52589 states have internal predecessors, (144416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:28,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52590 states to 52590 states and 144416 transitions. [2022-01-28 13:12:28,221 INFO L78 Accepts]: Start accepts. Automaton has 52590 states and 144416 transitions. Word has length 163 [2022-01-28 13:12:28,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:12:28,221 INFO L470 AbstractCegarLoop]: Abstraction has 52590 states and 144416 transitions. [2022-01-28 13:12:28,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:28,221 INFO L276 IsEmpty]: Start isEmpty. Operand 52590 states and 144416 transitions. [2022-01-28 13:12:28,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:12:28,282 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:12:28,282 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] [2022-01-28 13:12:28,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-01-28 13:12:28,282 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:12:28,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:12:28,283 INFO L85 PathProgramCache]: Analyzing trace with hash -826053730, now seen corresponding path program 89 times [2022-01-28 13:12:28,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:12:28,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677825192] [2022-01-28 13:12:28,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:12:28,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:12:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:12:28,528 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 13:12:28,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:12:28,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677825192] [2022-01-28 13:12:28,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677825192] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:12:28,529 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:12:28,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:12:28,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360588018] [2022-01-28 13:12:28,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:12:28,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:12:28,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:12:28,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:12:28,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:12:28,529 INFO L87 Difference]: Start difference. First operand 52590 states and 144416 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:31,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:12:31,245 INFO L93 Difference]: Finished difference Result 133212 states and 366911 transitions. [2022-01-28 13:12:31,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-28 13:12:31,245 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:12:31,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:12:31,548 INFO L225 Difference]: With dead ends: 133212 [2022-01-28 13:12:31,549 INFO L226 Difference]: Without dead ends: 132898 [2022-01-28 13:12:31,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=695, Invalid=2727, Unknown=0, NotChecked=0, Total=3422 [2022-01-28 13:12:31,549 INFO L933 BasicCegarLoop]: 885 mSDtfsCounter, 3324 mSDsluCounter, 11281 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3324 SdHoareTripleChecker+Valid, 12059 SdHoareTripleChecker+Invalid, 2267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:12:31,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3324 Valid, 12059 Invalid, 2267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:12:32,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132898 states. [2022-01-28 13:12:33,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132898 to 52422. [2022-01-28 13:12:33,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52422 states, 52421 states have (on average 2.7463421148013203) internal successors, (143966), 52421 states have internal predecessors, (143966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:33,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52422 states to 52422 states and 143966 transitions. [2022-01-28 13:12:33,813 INFO L78 Accepts]: Start accepts. Automaton has 52422 states and 143966 transitions. Word has length 163 [2022-01-28 13:12:33,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:12:33,813 INFO L470 AbstractCegarLoop]: Abstraction has 52422 states and 143966 transitions. [2022-01-28 13:12:33,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:33,813 INFO L276 IsEmpty]: Start isEmpty. Operand 52422 states and 143966 transitions. [2022-01-28 13:12:33,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:12:33,862 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:12:33,862 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] [2022-01-28 13:12:33,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-01-28 13:12:33,862 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:12:33,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:12:33,863 INFO L85 PathProgramCache]: Analyzing trace with hash 709983538, now seen corresponding path program 90 times [2022-01-28 13:12:33,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:12:33,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002957457] [2022-01-28 13:12:33,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:12:33,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:12:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:12:34,128 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 13:12:34,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:12:34,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002957457] [2022-01-28 13:12:34,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002957457] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:12:34,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:12:34,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:12:34,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570281890] [2022-01-28 13:12:34,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:12:34,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:12:34,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:12:34,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:12:34,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:12:34,130 INFO L87 Difference]: Start difference. First operand 52422 states and 143966 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:36,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:12:36,810 INFO L93 Difference]: Finished difference Result 135518 states and 373223 transitions. [2022-01-28 13:12:36,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-28 13:12:36,811 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:12:36,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:12:37,110 INFO L225 Difference]: With dead ends: 135518 [2022-01-28 13:12:37,110 INFO L226 Difference]: Without dead ends: 135379 [2022-01-28 13:12:37,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 975 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=805, Invalid=2855, Unknown=0, NotChecked=0, Total=3660 [2022-01-28 13:12:37,111 INFO L933 BasicCegarLoop]: 861 mSDtfsCounter, 3741 mSDsluCounter, 10551 mSDsCounter, 0 mSdLazyCounter, 2147 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3741 SdHoareTripleChecker+Valid, 11319 SdHoareTripleChecker+Invalid, 2191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 2147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:12:37,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3741 Valid, 11319 Invalid, 2191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 2147 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:12:37,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135379 states. [2022-01-28 13:12:38,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135379 to 52474. [2022-01-28 13:12:38,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52474 states, 52473 states have (on average 2.74611705067368) internal successors, (144097), 52473 states have internal predecessors, (144097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:39,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52474 states to 52474 states and 144097 transitions. [2022-01-28 13:12:39,239 INFO L78 Accepts]: Start accepts. Automaton has 52474 states and 144097 transitions. Word has length 163 [2022-01-28 13:12:39,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:12:39,239 INFO L470 AbstractCegarLoop]: Abstraction has 52474 states and 144097 transitions. [2022-01-28 13:12:39,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:39,240 INFO L276 IsEmpty]: Start isEmpty. Operand 52474 states and 144097 transitions. [2022-01-28 13:12:39,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:12:39,299 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:12:39,299 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] [2022-01-28 13:12:39,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-01-28 13:12:39,299 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:12:39,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:12:39,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1509602670, now seen corresponding path program 91 times [2022-01-28 13:12:39,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:12:39,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424210812] [2022-01-28 13:12:39,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:12:39,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:12:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:12:39,559 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 13:12:39,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:12:39,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424210812] [2022-01-28 13:12:39,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424210812] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:12:39,559 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:12:39,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:12:39,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831360709] [2022-01-28 13:12:39,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:12:39,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:12:39,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:12:39,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:12:39,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:12:39,560 INFO L87 Difference]: Start difference. First operand 52474 states and 144097 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:42,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:12:42,099 INFO L93 Difference]: Finished difference Result 135490 states and 373143 transitions. [2022-01-28 13:12:42,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-01-28 13:12:42,099 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:12:42,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:12:42,408 INFO L225 Difference]: With dead ends: 135490 [2022-01-28 13:12:42,408 INFO L226 Difference]: Without dead ends: 135324 [2022-01-28 13:12:42,408 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 793 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=698, Invalid=2494, Unknown=0, NotChecked=0, Total=3192 [2022-01-28 13:12:42,409 INFO L933 BasicCegarLoop]: 857 mSDtfsCounter, 3860 mSDsluCounter, 10200 mSDsCounter, 0 mSdLazyCounter, 2112 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3860 SdHoareTripleChecker+Valid, 10974 SdHoareTripleChecker+Invalid, 2144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 2112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-28 13:12:42,409 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3860 Valid, 10974 Invalid, 2144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 2112 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-28 13:12:42,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135324 states. [2022-01-28 13:12:44,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135324 to 52438. [2022-01-28 13:12:44,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52438 states, 52437 states have (on average 2.746114384880905) internal successors, (143998), 52437 states have internal predecessors, (143998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:44,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52438 states to 52438 states and 143998 transitions. [2022-01-28 13:12:44,421 INFO L78 Accepts]: Start accepts. Automaton has 52438 states and 143998 transitions. Word has length 163 [2022-01-28 13:12:44,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:12:44,421 INFO L470 AbstractCegarLoop]: Abstraction has 52438 states and 143998 transitions. [2022-01-28 13:12:44,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:44,421 INFO L276 IsEmpty]: Start isEmpty. Operand 52438 states and 143998 transitions. [2022-01-28 13:12:44,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:12:44,474 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:12:44,474 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] [2022-01-28 13:12:44,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-01-28 13:12:44,474 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:12:44,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:12:44,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1228872754, now seen corresponding path program 92 times [2022-01-28 13:12:44,474 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:12:44,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953058868] [2022-01-28 13:12:44,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:12:44,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:12:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:12:44,733 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 13:12:44,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:12:44,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953058868] [2022-01-28 13:12:44,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953058868] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:12:44,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:12:44,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:12:44,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721719310] [2022-01-28 13:12:44,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:12:44,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:12:44,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:12:44,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:12:44,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:12:44,734 INFO L87 Difference]: Start difference. First operand 52438 states and 143998 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:47,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:12:47,753 INFO L93 Difference]: Finished difference Result 135435 states and 372989 transitions. [2022-01-28 13:12:47,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-01-28 13:12:47,754 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:12:47,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:12:48,069 INFO L225 Difference]: With dead ends: 135435 [2022-01-28 13:12:48,069 INFO L226 Difference]: Without dead ends: 135265 [2022-01-28 13:12:48,070 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 970 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=781, Invalid=2879, Unknown=0, NotChecked=0, Total=3660 [2022-01-28 13:12:48,070 INFO L933 BasicCegarLoop]: 881 mSDtfsCounter, 3955 mSDsluCounter, 11002 mSDsCounter, 0 mSdLazyCounter, 2208 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3955 SdHoareTripleChecker+Valid, 11784 SdHoareTripleChecker+Invalid, 2242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 2208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:12:48,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3955 Valid, 11784 Invalid, 2242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 2208 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:12:48,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135265 states. [2022-01-28 13:12:49,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135265 to 52426. [2022-01-28 13:12:49,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52426 states, 52425 states have (on average 2.746266094420601) internal successors, (143973), 52425 states have internal predecessors, (143973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:50,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52426 states to 52426 states and 143973 transitions. [2022-01-28 13:12:50,050 INFO L78 Accepts]: Start accepts. Automaton has 52426 states and 143973 transitions. Word has length 163 [2022-01-28 13:12:50,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:12:50,050 INFO L470 AbstractCegarLoop]: Abstraction has 52426 states and 143973 transitions. [2022-01-28 13:12:50,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:50,050 INFO L276 IsEmpty]: Start isEmpty. Operand 52426 states and 143973 transitions. [2022-01-28 13:12:50,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:12:50,110 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:12:50,111 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] [2022-01-28 13:12:50,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-01-28 13:12:50,111 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:12:50,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:12:50,111 INFO L85 PathProgramCache]: Analyzing trace with hash -98133906, now seen corresponding path program 93 times [2022-01-28 13:12:50,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:12:50,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639365307] [2022-01-28 13:12:50,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:12:50,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:12:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:12:50,356 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 13:12:50,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:12:50,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639365307] [2022-01-28 13:12:50,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639365307] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:12:50,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:12:50,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:12:50,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296678766] [2022-01-28 13:12:50,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:12:50,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:12:50,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:12:50,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:12:50,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:12:50,358 INFO L87 Difference]: Start difference. First operand 52426 states and 143973 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:53,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:12:53,330 INFO L93 Difference]: Finished difference Result 135651 states and 373632 transitions. [2022-01-28 13:12:53,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-28 13:12:53,330 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:12:53,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:12:53,657 INFO L225 Difference]: With dead ends: 135651 [2022-01-28 13:12:53,657 INFO L226 Difference]: Without dead ends: 135512 [2022-01-28 13:12:53,658 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 872 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=762, Invalid=2660, Unknown=0, NotChecked=0, Total=3422 [2022-01-28 13:12:53,658 INFO L933 BasicCegarLoop]: 860 mSDtfsCounter, 3649 mSDsluCounter, 10256 mSDsCounter, 0 mSdLazyCounter, 2119 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3649 SdHoareTripleChecker+Valid, 11029 SdHoareTripleChecker+Invalid, 2159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 2119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:12:53,658 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3649 Valid, 11029 Invalid, 2159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2119 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:12:53,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135512 states. [2022-01-28 13:12:55,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135512 to 52474. [2022-01-28 13:12:55,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52474 states, 52473 states have (on average 2.7460408209936538) internal successors, (144093), 52473 states have internal predecessors, (144093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:55,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52474 states to 52474 states and 144093 transitions. [2022-01-28 13:12:55,695 INFO L78 Accepts]: Start accepts. Automaton has 52474 states and 144093 transitions. Word has length 163 [2022-01-28 13:12:55,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:12:55,695 INFO L470 AbstractCegarLoop]: Abstraction has 52474 states and 144093 transitions. [2022-01-28 13:12:55,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:55,696 INFO L276 IsEmpty]: Start isEmpty. Operand 52474 states and 144093 transitions. [2022-01-28 13:12:55,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:12:55,754 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:12:55,754 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] [2022-01-28 13:12:55,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-01-28 13:12:55,755 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:12:55,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:12:55,755 INFO L85 PathProgramCache]: Analyzing trace with hash 701485226, now seen corresponding path program 94 times [2022-01-28 13:12:55,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:12:55,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118417206] [2022-01-28 13:12:55,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:12:55,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:12:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:12:55,999 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 13:12:55,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:12:55,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118417206] [2022-01-28 13:12:55,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118417206] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:12:55,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:12:55,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:12:55,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864327510] [2022-01-28 13:12:56,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:12:56,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:12:56,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:12:56,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:12:56,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:12:56,000 INFO L87 Difference]: Start difference. First operand 52474 states and 144093 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:12:58,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:12:58,984 INFO L93 Difference]: Finished difference Result 135642 states and 373602 transitions. [2022-01-28 13:12:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-01-28 13:12:58,984 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:12:58,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:12:59,313 INFO L225 Difference]: With dead ends: 135642 [2022-01-28 13:12:59,313 INFO L226 Difference]: Without dead ends: 135476 [2022-01-28 13:12:59,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 823 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=711, Invalid=2595, Unknown=0, NotChecked=0, Total=3306 [2022-01-28 13:12:59,314 INFO L933 BasicCegarLoop]: 863 mSDtfsCounter, 3415 mSDsluCounter, 11151 mSDsCounter, 0 mSdLazyCounter, 2247 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3415 SdHoareTripleChecker+Valid, 11909 SdHoareTripleChecker+Invalid, 2272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:12:59,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3415 Valid, 11909 Invalid, 2272 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [25 Valid, 2247 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:12:59,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135476 states. [2022-01-28 13:13:01,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135476 to 52438. [2022-01-28 13:13:01,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52438 states, 52437 states have (on average 2.746038102866297) internal successors, (143994), 52437 states have internal predecessors, (143994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:13:01,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52438 states to 52438 states and 143994 transitions. [2022-01-28 13:13:01,220 INFO L78 Accepts]: Start accepts. Automaton has 52438 states and 143994 transitions. Word has length 163 [2022-01-28 13:13:01,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-28 13:13:01,221 INFO L470 AbstractCegarLoop]: Abstraction has 52438 states and 143994 transitions. [2022-01-28 13:13:01,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:13:01,221 INFO L276 IsEmpty]: Start isEmpty. Operand 52438 states and 143994 transitions. [2022-01-28 13:13:01,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-01-28 13:13:01,278 INFO L506 BasicCegarLoop]: Found error trace [2022-01-28 13:13:01,278 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] [2022-01-28 13:13:01,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-01-28 13:13:01,278 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 13:13:01,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 13:13:01,278 INFO L85 PathProgramCache]: Analyzing trace with hash 970120242, now seen corresponding path program 95 times [2022-01-28 13:13:01,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 13:13:01,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531459309] [2022-01-28 13:13:01,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 13:13:01,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 13:13:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 13:13:01,513 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 13:13:01,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 13:13:01,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531459309] [2022-01-28 13:13:01,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531459309] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 13:13:01,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 13:13:01,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-01-28 13:13:01,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227745171] [2022-01-28 13:13:01,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 13:13:01,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-28 13:13:01,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 13:13:01,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-28 13:13:01,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2022-01-28 13:13:01,515 INFO L87 Difference]: Start difference. First operand 52438 states and 143994 transitions. Second operand has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 13:13:04,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-28 13:13:04,200 INFO L93 Difference]: Finished difference Result 135701 states and 373772 transitions. [2022-01-28 13:13:04,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-01-28 13:13:04,200 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 0 states have call successors, (0), 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 163 [2022-01-28 13:13:04,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-28 13:13:04,782 INFO L225 Difference]: With dead ends: 135701 [2022-01-28 13:13:04,782 INFO L226 Difference]: Without dead ends: 135487 [2022-01-28 13:13:04,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 867 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=716, Invalid=2706, Unknown=0, NotChecked=0, Total=3422 [2022-01-28 13:13:04,783 INFO L933 BasicCegarLoop]: 882 mSDtfsCounter, 3572 mSDsluCounter, 11081 mSDsCounter, 0 mSdLazyCounter, 2161 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3572 SdHoareTripleChecker+Valid, 11858 SdHoareTripleChecker+Invalid, 2185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-28 13:13:04,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3572 Valid, 11858 Invalid, 2185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2161 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-28 13:13:05,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135487 states.