/usr/bin/java -Xmx16000000000 -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/test-easy10.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 03:04:49,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 03:04:49,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 03:04:49,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 03:04:49,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 03:04:49,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 03:04:49,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 03:04:49,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 03:04:49,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 03:04:49,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 03:04:49,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 03:04:49,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 03:04:49,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 03:04:49,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 03:04:49,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 03:04:49,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 03:04:49,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 03:04:49,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 03:04:49,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 03:04:49,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 03:04:49,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 03:04:49,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 03:04:49,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 03:04:49,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 03:04:49,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 03:04:49,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 03:04:49,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 03:04:49,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 03:04:49,942 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 [2022-01-18 03:04:49,968 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 03:04:49,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 03:04:49,969 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 03:04:49,969 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 03:04:49,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 03:04:49,970 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 03:04:49,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 03:04:49,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 03:04:49,970 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 03:04:49,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 03:04:49,971 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 03:04:49,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 03:04:49,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 03:04:49,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 03:04:49,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 03:04:49,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 03:04:49,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 03:04:49,972 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 03:04:49,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 03:04:49,972 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 03:04:49,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 03:04:49,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 03:04:49,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 03:04:49,972 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 03:04:49,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 03:04:49,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 03:04:49,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 03:04:49,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 03:04:49,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 03:04:49,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 03:04:49,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 03:04:49,973 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 03:04:49,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 03:04:49,973 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 03:04:50,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 03:04:50,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 03:04:50,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 03:04:50,182 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 03:04:50,185 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 03:04:50,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-easy10.wvr.c [2022-01-18 03:04:50,251 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bd863f2b/4e67412aeeb74ba1bb8727d98aa7c9cd/FLAGf727b589f [2022-01-18 03:04:50,597 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 03:04:50,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy10.wvr.c [2022-01-18 03:04:50,604 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bd863f2b/4e67412aeeb74ba1bb8727d98aa7c9cd/FLAGf727b589f [2022-01-18 03:04:50,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bd863f2b/4e67412aeeb74ba1bb8727d98aa7c9cd [2022-01-18 03:04:50,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 03:04:50,617 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 03:04:50,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 03:04:50,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 03:04:50,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 03:04:50,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 03:04:50" (1/1) ... [2022-01-18 03:04:50,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0c244a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:04:50, skipping insertion in model container [2022-01-18 03:04:50,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 03:04:50" (1/1) ... [2022-01-18 03:04:50,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 03:04:50,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 03:04:50,868 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/test-easy10.wvr.c[3907,3920] [2022-01-18 03:04:50,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 03:04:50,877 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 03:04:50,898 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/test-easy10.wvr.c[3907,3920] [2022-01-18 03:04:50,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 03:04:50,909 INFO L208 MainTranslator]: Completed translation [2022-01-18 03:04:50,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:04:50 WrapperNode [2022-01-18 03:04:50,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 03:04:50,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 03:04:50,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 03:04:50,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 03:04:50,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:04:50" (1/1) ... [2022-01-18 03:04:50,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:04:50" (1/1) ... [2022-01-18 03:04:50,950 INFO L137 Inliner]: procedures = 23, calls = 84, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2022-01-18 03:04:50,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 03:04:50,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 03:04:50,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 03:04:50,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 03:04:50,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:04:50" (1/1) ... [2022-01-18 03:04:50,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:04:50" (1/1) ... [2022-01-18 03:04:50,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:04:50" (1/1) ... [2022-01-18 03:04:50,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:04:50" (1/1) ... [2022-01-18 03:04:50,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:04:50" (1/1) ... [2022-01-18 03:04:50,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:04:50" (1/1) ... [2022-01-18 03:04:50,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:04:50" (1/1) ... [2022-01-18 03:04:50,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 03:04:50,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 03:04:50,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 03:04:50,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 03:04:50,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:04:50" (1/1) ... [2022-01-18 03:04:50,983 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 03:04:50,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 03:04:51,008 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) [2022-01-18 03:04:51,033 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 [2022-01-18 03:04:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 03:04:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 03:04:51,040 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 03:04:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 03:04:51,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 03:04:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-18 03:04:51,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-18 03:04:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-01-18 03:04:51,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-01-18 03:04:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 03:04:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 03:04:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 03:04:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-18 03:04:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-18 03:04:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 03:04:51,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 03:04:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-18 03:04:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 03:04:51,044 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 03:04:51,114 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 03:04:51,116 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 03:04:51,351 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 03:04:51,399 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 03:04:51,399 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 03:04:51,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 03:04:51 BoogieIcfgContainer [2022-01-18 03:04:51,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 03:04:51,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 03:04:51,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 03:04:51,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 03:04:51,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 03:04:50" (1/3) ... [2022-01-18 03:04:51,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5557b455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 03:04:51, skipping insertion in model container [2022-01-18 03:04:51,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 03:04:50" (2/3) ... [2022-01-18 03:04:51,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5557b455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 03:04:51, skipping insertion in model container [2022-01-18 03:04:51,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 03:04:51" (3/3) ... [2022-01-18 03:04:51,413 INFO L111 eAbstractionObserver]: Analyzing ICFG test-easy10.wvr.c [2022-01-18 03:04:51,416 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 03:04:51,416 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 03:04:51,416 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 03:04:51,416 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 03:04:51,460 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,461 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,461 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,461 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,462 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,462 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,462 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,462 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,466 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,466 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,466 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,466 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,467 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,467 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,468 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,468 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,468 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,469 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,469 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,469 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,470 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,470 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,470 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,470 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,474 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,474 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,475 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,475 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,475 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,476 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,476 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,476 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,476 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,477 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,477 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,477 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 03:04:51,481 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-01-18 03:04:51,518 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 03:04:51,524 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 [2022-01-18 03:04:51,524 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-01-18 03:04:51,534 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 149 places, 138 transitions, 308 flow [2022-01-18 03:04:53,098 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 33672 states, 33671 states have (on average 4.136764574856701) internal successors, (139289), 33671 states have internal predecessors, (139289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:04:53,160 INFO L276 IsEmpty]: Start isEmpty. Operand has 33672 states, 33671 states have (on average 4.136764574856701) internal successors, (139289), 33671 states have internal predecessors, (139289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:04:53,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:04:53,501 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:04:53,502 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:04:53,503 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:04:53,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:04:53,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1535193811, now seen corresponding path program 1 times [2022-01-18 03:04:53,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:04:53,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046145957] [2022-01-18 03:04:53,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:04:53,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:04:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:04:54,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:04:54,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:04:54,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046145957] [2022-01-18 03:04:54,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046145957] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:04:54,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:04:54,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 03:04:54,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438886836] [2022-01-18 03:04:54,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:04:54,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 03:04:54,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:04:54,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 03:04:54,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 03:04:54,310 INFO L87 Difference]: Start difference. First operand has 33672 states, 33671 states have (on average 4.136764574856701) internal successors, (139289), 33671 states have internal predecessors, (139289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:04:54,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:04:54,926 INFO L93 Difference]: Finished difference Result 28362 states and 115572 transitions. [2022-01-18 03:04:54,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 03:04:54,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:04:54,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:04:55,328 INFO L225 Difference]: With dead ends: 28362 [2022-01-18 03:04:55,329 INFO L226 Difference]: Without dead ends: 28360 [2022-01-18 03:04:55,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 03:04:55,342 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 16 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 03:04:55,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 172 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 03:04:55,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28360 states. [2022-01-18 03:04:56,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28360 to 28360. [2022-01-18 03:04:56,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28360 states, 28359 states have (on average 4.075249479882929) internal successors, (115570), 28359 states have internal predecessors, (115570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:04:56,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28360 states to 28360 states and 115570 transitions. [2022-01-18 03:04:56,894 INFO L78 Accepts]: Start accepts. Automaton has 28360 states and 115570 transitions. Word has length 117 [2022-01-18 03:04:56,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:04:56,899 INFO L470 AbstractCegarLoop]: Abstraction has 28360 states and 115570 transitions. [2022-01-18 03:04:56,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:04:56,900 INFO L276 IsEmpty]: Start isEmpty. Operand 28360 states and 115570 transitions. [2022-01-18 03:04:57,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:04:57,048 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:04:57,048 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:04:57,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 03:04:57,050 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:04:57,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:04:57,053 INFO L85 PathProgramCache]: Analyzing trace with hash -2134050213, now seen corresponding path program 2 times [2022-01-18 03:04:57,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:04:57,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989909362] [2022-01-18 03:04:57,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:04:57,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:04:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:04:57,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:04:57,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:04:57,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989909362] [2022-01-18 03:04:57,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989909362] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:04:57,257 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:04:57,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 03:04:57,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013613309] [2022-01-18 03:04:57,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:04:57,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 03:04:57,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:04:57,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 03:04:57,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 03:04:57,260 INFO L87 Difference]: Start difference. First operand 28360 states and 115570 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:04:57,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:04:57,753 INFO L93 Difference]: Finished difference Result 23500 states and 94420 transitions. [2022-01-18 03:04:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 03:04:57,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:04:57,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:04:57,895 INFO L225 Difference]: With dead ends: 23500 [2022-01-18 03:04:57,895 INFO L226 Difference]: Without dead ends: 23500 [2022-01-18 03:04:57,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 03:04:57,897 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 33 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 03:04:57,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 178 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 03:04:57,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23500 states. [2022-01-18 03:04:58,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23500 to 23500. [2022-01-18 03:04:58,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23500 states, 23499 states have (on average 4.0180433209923825) internal successors, (94420), 23499 states have internal predecessors, (94420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:04:58,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23500 states to 23500 states and 94420 transitions. [2022-01-18 03:04:58,845 INFO L78 Accepts]: Start accepts. Automaton has 23500 states and 94420 transitions. Word has length 117 [2022-01-18 03:04:58,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:04:58,848 INFO L470 AbstractCegarLoop]: Abstraction has 23500 states and 94420 transitions. [2022-01-18 03:04:58,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:04:58,849 INFO L276 IsEmpty]: Start isEmpty. Operand 23500 states and 94420 transitions. [2022-01-18 03:04:58,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:04:58,914 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:04:58,914 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:04:58,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 03:04:58,915 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:04:58,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:04:58,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1070905129, now seen corresponding path program 3 times [2022-01-18 03:04:58,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:04:58,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60440001] [2022-01-18 03:04:58,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:04:58,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:04:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:05:00,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:05:00,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:05:00,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60440001] [2022-01-18 03:05:00,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60440001] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:05:00,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:05:00,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:05:00,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152743857] [2022-01-18 03:05:00,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:05:00,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:05:00,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:05:00,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:05:00,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:05:00,588 INFO L87 Difference]: Start difference. First operand 23500 states and 94420 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:02,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:05:02,973 INFO L93 Difference]: Finished difference Result 55333 states and 218353 transitions. [2022-01-18 03:05:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:05:02,974 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:05:02,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:05:03,347 INFO L225 Difference]: With dead ends: 55333 [2022-01-18 03:05:03,348 INFO L226 Difference]: Without dead ends: 54346 [2022-01-18 03:05:03,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=223, Invalid=479, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:05:03,355 INFO L933 BasicCegarLoop]: 343 mSDtfsCounter, 592 mSDsluCounter, 2992 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 2837 SdHoareTripleChecker+Invalid, 1297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 03:05:03,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [592 Valid, 2837 Invalid, 1297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 03:05:03,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54346 states. [2022-01-18 03:05:04,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54346 to 24472. [2022-01-18 03:05:04,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24472 states, 24471 states have (on average 4.01017530955008) internal successors, (98133), 24471 states have internal predecessors, (98133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:04,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24472 states to 24472 states and 98133 transitions. [2022-01-18 03:05:04,721 INFO L78 Accepts]: Start accepts. Automaton has 24472 states and 98133 transitions. Word has length 117 [2022-01-18 03:05:04,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:05:04,722 INFO L470 AbstractCegarLoop]: Abstraction has 24472 states and 98133 transitions. [2022-01-18 03:05:04,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:04,722 INFO L276 IsEmpty]: Start isEmpty. Operand 24472 states and 98133 transitions. [2022-01-18 03:05:05,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:05:05,041 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:05:05,041 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:05:05,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 03:05:05,041 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:05:05,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:05:05,055 INFO L85 PathProgramCache]: Analyzing trace with hash 2042458025, now seen corresponding path program 4 times [2022-01-18 03:05:05,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:05:05,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57568162] [2022-01-18 03:05:05,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:05:05,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:05:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:05:06,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:05:06,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:05:06,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57568162] [2022-01-18 03:05:06,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57568162] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:05:06,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:05:06,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:05:06,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552307542] [2022-01-18 03:05:06,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:05:06,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:05:06,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:05:06,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:05:06,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:05:06,052 INFO L87 Difference]: Start difference. First operand 24472 states and 98133 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:08,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:05:08,292 INFO L93 Difference]: Finished difference Result 55522 states and 218749 transitions. [2022-01-18 03:05:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:05:08,293 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:05:08,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:05:08,587 INFO L225 Difference]: With dead ends: 55522 [2022-01-18 03:05:08,588 INFO L226 Difference]: Without dead ends: 54940 [2022-01-18 03:05:08,588 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=223, Invalid=479, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:05:08,596 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 744 mSDsluCounter, 2902 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 2765 SdHoareTripleChecker+Invalid, 1242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 03:05:08,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [744 Valid, 2765 Invalid, 1242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 03:05:08,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54940 states. [2022-01-18 03:05:09,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54940 to 24508. [2022-01-18 03:05:09,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24508 states, 24507 states have (on average 4.00881380829967) internal successors, (98244), 24507 states have internal predecessors, (98244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:09,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24508 states to 24508 states and 98244 transitions. [2022-01-18 03:05:09,717 INFO L78 Accepts]: Start accepts. Automaton has 24508 states and 98244 transitions. Word has length 117 [2022-01-18 03:05:09,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:05:09,718 INFO L470 AbstractCegarLoop]: Abstraction has 24508 states and 98244 transitions. [2022-01-18 03:05:09,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:09,718 INFO L276 IsEmpty]: Start isEmpty. Operand 24508 states and 98244 transitions. [2022-01-18 03:05:09,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:05:09,780 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:05:09,780 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:05:09,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 03:05:09,781 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:05:09,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:05:09,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1762640513, now seen corresponding path program 5 times [2022-01-18 03:05:09,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:05:09,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092157314] [2022-01-18 03:05:09,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:05:09,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:05:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:05:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:05:10,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:05:10,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092157314] [2022-01-18 03:05:10,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092157314] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:05:10,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:05:10,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:05:10,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7454193] [2022-01-18 03:05:10,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:05:10,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:05:10,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:05:10,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:05:10,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:05:10,998 INFO L87 Difference]: Start difference. First operand 24508 states and 98244 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:12,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:05:12,746 INFO L93 Difference]: Finished difference Result 54937 states and 216781 transitions. [2022-01-18 03:05:12,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:05:12,747 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:05:12,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:05:13,214 INFO L225 Difference]: With dead ends: 54937 [2022-01-18 03:05:13,214 INFO L226 Difference]: Without dead ends: 54238 [2022-01-18 03:05:13,215 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=223, Invalid=479, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:05:13,215 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 664 mSDsluCounter, 2690 mSDsCounter, 0 mSdLazyCounter, 1131 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 2586 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:05:13,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [664 Valid, 2586 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1131 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:05:13,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54238 states. [2022-01-18 03:05:13,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54238 to 24364. [2022-01-18 03:05:13,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24364 states, 24363 states have (on average 4.009851003570989) internal successors, (97692), 24363 states have internal predecessors, (97692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:14,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24364 states to 24364 states and 97692 transitions. [2022-01-18 03:05:14,282 INFO L78 Accepts]: Start accepts. Automaton has 24364 states and 97692 transitions. Word has length 117 [2022-01-18 03:05:14,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:05:14,283 INFO L470 AbstractCegarLoop]: Abstraction has 24364 states and 97692 transitions. [2022-01-18 03:05:14,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:14,283 INFO L276 IsEmpty]: Start isEmpty. Operand 24364 states and 97692 transitions. [2022-01-18 03:05:14,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:05:14,345 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:05:14,345 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] [2022-01-18 03:05:14,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-18 03:05:14,346 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:05:14,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:05:14,347 INFO L85 PathProgramCache]: Analyzing trace with hash -347353081, now seen corresponding path program 6 times [2022-01-18 03:05:14,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:05:14,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633421178] [2022-01-18 03:05:14,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:05:14,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:05:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:05:15,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:05:15,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:05:15,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633421178] [2022-01-18 03:05:15,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633421178] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:05:15,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:05:15,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:05:15,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936029437] [2022-01-18 03:05:15,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:05:15,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:05:15,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:05:15,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:05:15,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:05:15,362 INFO L87 Difference]: Start difference. First operand 24364 states and 97692 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:17,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:05:17,551 INFO L93 Difference]: Finished difference Result 55441 states and 218614 transitions. [2022-01-18 03:05:17,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 03:05:17,551 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:05:17,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:05:17,789 INFO L225 Difference]: With dead ends: 55441 [2022-01-18 03:05:17,789 INFO L226 Difference]: Without dead ends: 54859 [2022-01-18 03:05:17,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=267, Invalid=545, Unknown=0, NotChecked=0, Total=812 [2022-01-18 03:05:17,790 INFO L933 BasicCegarLoop]: 359 mSDtfsCounter, 652 mSDsluCounter, 3057 mSDsCounter, 0 mSdLazyCounter, 1242 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 2921 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 03:05:17,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [652 Valid, 2921 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1242 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 03:05:17,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54859 states. [2022-01-18 03:05:18,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54859 to 24472. [2022-01-18 03:05:18,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24472 states, 24471 states have (on average 4.008704180458502) internal successors, (98097), 24471 states have internal predecessors, (98097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:18,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24472 states to 24472 states and 98097 transitions. [2022-01-18 03:05:18,961 INFO L78 Accepts]: Start accepts. Automaton has 24472 states and 98097 transitions. Word has length 117 [2022-01-18 03:05:18,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:05:18,961 INFO L470 AbstractCegarLoop]: Abstraction has 24472 states and 98097 transitions. [2022-01-18 03:05:18,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:18,961 INFO L276 IsEmpty]: Start isEmpty. Operand 24472 states and 98097 transitions. [2022-01-18 03:05:19,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:05:19,016 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:05:19,016 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:05:19,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-18 03:05:19,017 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:05:19,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:05:19,017 INFO L85 PathProgramCache]: Analyzing trace with hash 142515677, now seen corresponding path program 7 times [2022-01-18 03:05:19,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:05:19,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697696221] [2022-01-18 03:05:19,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:05:19,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:05:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:05:19,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:05:19,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:05:19,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697696221] [2022-01-18 03:05:19,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697696221] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:05:19,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:05:19,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:05:19,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397401391] [2022-01-18 03:05:19,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:05:19,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:05:19,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:05:19,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:05:19,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:05:19,923 INFO L87 Difference]: Start difference. First operand 24472 states and 98097 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:21,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:05:21,973 INFO L93 Difference]: Finished difference Result 55414 states and 218488 transitions. [2022-01-18 03:05:21,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:05:21,975 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:05:21,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:05:22,198 INFO L225 Difference]: With dead ends: 55414 [2022-01-18 03:05:22,198 INFO L226 Difference]: Without dead ends: 54823 [2022-01-18 03:05:22,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=247, Invalid=509, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:05:22,199 INFO L933 BasicCegarLoop]: 347 mSDtfsCounter, 616 mSDsluCounter, 3060 mSDsCounter, 0 mSdLazyCounter, 1237 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 2916 SdHoareTripleChecker+Invalid, 1273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 03:05:22,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [616 Valid, 2916 Invalid, 1273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1237 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 03:05:22,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54823 states. [2022-01-18 03:05:23,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54823 to 24436. [2022-01-18 03:05:23,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24436 states, 24435 states have (on average 4.008594229588705) internal successors, (97950), 24435 states have internal predecessors, (97950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:23,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24436 states to 24436 states and 97950 transitions. [2022-01-18 03:05:23,467 INFO L78 Accepts]: Start accepts. Automaton has 24436 states and 97950 transitions. Word has length 117 [2022-01-18 03:05:23,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:05:23,468 INFO L470 AbstractCegarLoop]: Abstraction has 24436 states and 97950 transitions. [2022-01-18 03:05:23,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:23,468 INFO L276 IsEmpty]: Start isEmpty. Operand 24436 states and 97950 transitions. [2022-01-18 03:05:23,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:05:23,529 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:05:23,530 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:05:23,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-18 03:05:23,530 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:05:23,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:05:23,530 INFO L85 PathProgramCache]: Analyzing trace with hash -769438449, now seen corresponding path program 8 times [2022-01-18 03:05:23,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:05:23,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763474599] [2022-01-18 03:05:23,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:05:23,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:05:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:05:24,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:05:24,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:05:24,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763474599] [2022-01-18 03:05:24,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763474599] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:05:24,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:05:24,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:05:24,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68908057] [2022-01-18 03:05:24,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:05:24,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:05:24,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:05:24,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:05:24,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:05:24,474 INFO L87 Difference]: Start difference. First operand 24436 states and 97950 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:26,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:05:26,641 INFO L93 Difference]: Finished difference Result 54820 states and 216499 transitions. [2022-01-18 03:05:26,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:05:26,641 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:05:26,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:05:26,818 INFO L225 Difference]: With dead ends: 54820 [2022-01-18 03:05:26,818 INFO L226 Difference]: Without dead ends: 53545 [2022-01-18 03:05:26,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=249, Invalid=507, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:05:26,819 INFO L933 BasicCegarLoop]: 350 mSDtfsCounter, 582 mSDsluCounter, 2912 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 2781 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 03:05:26,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [582 Valid, 2781 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 03:05:26,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53545 states. [2022-01-18 03:05:27,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53545 to 23932. [2022-01-18 03:05:27,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23932 states, 23931 states have (on average 4.015544690986586) internal successors, (96096), 23931 states have internal predecessors, (96096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:27,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23932 states to 23932 states and 96096 transitions. [2022-01-18 03:05:27,870 INFO L78 Accepts]: Start accepts. Automaton has 23932 states and 96096 transitions. Word has length 117 [2022-01-18 03:05:27,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:05:27,871 INFO L470 AbstractCegarLoop]: Abstraction has 23932 states and 96096 transitions. [2022-01-18 03:05:27,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:27,871 INFO L276 IsEmpty]: Start isEmpty. Operand 23932 states and 96096 transitions. [2022-01-18 03:05:27,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:05:27,917 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:05:27,917 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] [2022-01-18 03:05:27,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-18 03:05:27,918 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:05:27,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:05:27,918 INFO L85 PathProgramCache]: Analyzing trace with hash 122932443, now seen corresponding path program 9 times [2022-01-18 03:05:27,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:05:27,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030616066] [2022-01-18 03:05:27,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:05:27,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:05:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:05:28,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:05:28,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:05:28,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030616066] [2022-01-18 03:05:28,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030616066] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:05:28,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:05:28,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:05:28,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595586102] [2022-01-18 03:05:28,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:05:28,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:05:28,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:05:28,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:05:28,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:05:28,943 INFO L87 Difference]: Start difference. First operand 23932 states and 96096 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:30,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:05:30,686 INFO L93 Difference]: Finished difference Result 56617 states and 223019 transitions. [2022-01-18 03:05:30,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:05:30,686 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:05:30,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:05:30,880 INFO L225 Difference]: With dead ends: 56617 [2022-01-18 03:05:30,880 INFO L226 Difference]: Without dead ends: 56023 [2022-01-18 03:05:30,881 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:05:30,881 INFO L933 BasicCegarLoop]: 338 mSDtfsCounter, 687 mSDsluCounter, 3202 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 3028 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:05:30,881 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [687 Valid, 3028 Invalid, 1386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1351 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:05:31,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56023 states. [2022-01-18 03:05:31,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56023 to 24244. [2022-01-18 03:05:31,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24244 states, 24243 states have (on average 4.015262137524234) internal successors, (97342), 24243 states have internal predecessors, (97342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:32,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24244 states to 24244 states and 97342 transitions. [2022-01-18 03:05:32,020 INFO L78 Accepts]: Start accepts. Automaton has 24244 states and 97342 transitions. Word has length 117 [2022-01-18 03:05:32,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:05:32,020 INFO L470 AbstractCegarLoop]: Abstraction has 24244 states and 97342 transitions. [2022-01-18 03:05:32,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:32,020 INFO L276 IsEmpty]: Start isEmpty. Operand 24244 states and 97342 transitions. [2022-01-18 03:05:32,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:05:32,072 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:05:32,072 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:05:32,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-18 03:05:32,073 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:05:32,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:05:32,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1455800059, now seen corresponding path program 10 times [2022-01-18 03:05:32,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:05:32,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060413360] [2022-01-18 03:05:32,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:05:32,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:05:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:05:33,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:05:33,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:05:33,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060413360] [2022-01-18 03:05:33,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060413360] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:05:33,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:05:33,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:05:33,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003977507] [2022-01-18 03:05:33,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:05:33,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:05:33,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:05:33,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:05:33,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:05:33,108 INFO L87 Difference]: Start difference. First operand 24244 states and 97342 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:34,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:05:34,772 INFO L93 Difference]: Finished difference Result 56605 states and 222944 transitions. [2022-01-18 03:05:34,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:05:34,773 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:05:34,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:05:34,982 INFO L225 Difference]: With dead ends: 56605 [2022-01-18 03:05:34,982 INFO L226 Difference]: Without dead ends: 55978 [2022-01-18 03:05:34,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:05:34,983 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 780 mSDsluCounter, 2935 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 780 SdHoareTripleChecker+Valid, 2801 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:05:34,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [780 Valid, 2801 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1213 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:05:35,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55978 states. [2022-01-18 03:05:35,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55978 to 24199. [2022-01-18 03:05:35,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24199 states, 24198 states have (on average 4.015290519877676) internal successors, (97162), 24198 states have internal predecessors, (97162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:35,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24199 states to 24199 states and 97162 transitions. [2022-01-18 03:05:35,962 INFO L78 Accepts]: Start accepts. Automaton has 24199 states and 97162 transitions. Word has length 117 [2022-01-18 03:05:35,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:05:35,962 INFO L470 AbstractCegarLoop]: Abstraction has 24199 states and 97162 transitions. [2022-01-18 03:05:35,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:35,963 INFO L276 IsEmpty]: Start isEmpty. Operand 24199 states and 97162 transitions. [2022-01-18 03:05:36,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:05:36,009 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:05:36,009 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:05:36,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-18 03:05:36,009 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:05:36,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:05:36,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1870583289, now seen corresponding path program 11 times [2022-01-18 03:05:36,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:05:36,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334664896] [2022-01-18 03:05:36,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:05:36,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:05:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:05:36,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:05:36,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:05:36,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334664896] [2022-01-18 03:05:36,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334664896] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:05:36,978 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:05:36,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:05:36,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967143889] [2022-01-18 03:05:36,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:05:36,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:05:36,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:05:36,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:05:36,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:05:36,979 INFO L87 Difference]: Start difference. First operand 24199 states and 97162 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:38,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:05:38,562 INFO L93 Difference]: Finished difference Result 56965 states and 224249 transitions. [2022-01-18 03:05:38,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:05:38,563 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:05:38,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:05:39,027 INFO L225 Difference]: With dead ends: 56965 [2022-01-18 03:05:39,027 INFO L226 Difference]: Without dead ends: 55843 [2022-01-18 03:05:39,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:05:39,028 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 683 mSDsluCounter, 3016 mSDsCounter, 0 mSdLazyCounter, 1285 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 2867 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:05:39,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [683 Valid, 2867 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1285 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:05:39,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55843 states. [2022-01-18 03:05:39,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55843 to 24064. [2022-01-18 03:05:39,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24064 states, 24063 states have (on average 4.01575032207123) internal successors, (96631), 24063 states have internal predecessors, (96631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:39,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24064 states to 24064 states and 96631 transitions. [2022-01-18 03:05:39,850 INFO L78 Accepts]: Start accepts. Automaton has 24064 states and 96631 transitions. Word has length 117 [2022-01-18 03:05:39,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:05:39,850 INFO L470 AbstractCegarLoop]: Abstraction has 24064 states and 96631 transitions. [2022-01-18 03:05:39,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:39,850 INFO L276 IsEmpty]: Start isEmpty. Operand 24064 states and 96631 transitions. [2022-01-18 03:05:39,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:05:39,895 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:05:39,895 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:05:39,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-18 03:05:39,896 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:05:39,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:05:39,896 INFO L85 PathProgramCache]: Analyzing trace with hash -129350565, now seen corresponding path program 12 times [2022-01-18 03:05:39,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:05:39,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071352366] [2022-01-18 03:05:39,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:05:39,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:05:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:05:40,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:05:40,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:05:40,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071352366] [2022-01-18 03:05:40,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071352366] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:05:40,960 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:05:40,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:05:40,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861769984] [2022-01-18 03:05:40,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:05:40,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:05:40,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:05:40,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:05:40,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:05:40,961 INFO L87 Difference]: Start difference. First operand 24064 states and 96631 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:42,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:05:42,616 INFO L93 Difference]: Finished difference Result 57856 states and 227089 transitions. [2022-01-18 03:05:42,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:05:42,617 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:05:42,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:05:43,110 INFO L225 Difference]: With dead ends: 57856 [2022-01-18 03:05:43,110 INFO L226 Difference]: Without dead ends: 57262 [2022-01-18 03:05:43,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:05:43,111 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 823 mSDsluCounter, 3057 mSDsCounter, 0 mSdLazyCounter, 1286 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 2905 SdHoareTripleChecker+Invalid, 1322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:05:43,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [823 Valid, 2905 Invalid, 1322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1286 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:05:43,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57262 states. [2022-01-18 03:05:43,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57262 to 24121. [2022-01-18 03:05:43,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24121 states, 24120 states have (on average 4.014054726368159) internal successors, (96819), 24120 states have internal predecessors, (96819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:43,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24121 states to 24121 states and 96819 transitions. [2022-01-18 03:05:43,900 INFO L78 Accepts]: Start accepts. Automaton has 24121 states and 96819 transitions. Word has length 117 [2022-01-18 03:05:43,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:05:43,900 INFO L470 AbstractCegarLoop]: Abstraction has 24121 states and 96819 transitions. [2022-01-18 03:05:43,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:43,900 INFO L276 IsEmpty]: Start isEmpty. Operand 24121 states and 96819 transitions. [2022-01-18 03:05:43,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:05:43,946 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:05:43,946 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:05:43,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-18 03:05:43,946 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:05:43,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:05:43,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1203517051, now seen corresponding path program 13 times [2022-01-18 03:05:43,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:05:43,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028351188] [2022-01-18 03:05:43,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:05:43,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:05:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:05:45,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:05:45,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:05:45,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028351188] [2022-01-18 03:05:45,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028351188] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:05:45,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:05:45,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:05:45,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061747645] [2022-01-18 03:05:45,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:05:45,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:05:45,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:05:45,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:05:45,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:05:45,069 INFO L87 Difference]: Start difference. First operand 24121 states and 96819 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:46,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:05:46,605 INFO L93 Difference]: Finished difference Result 57844 states and 227014 transitions. [2022-01-18 03:05:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:05:46,605 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:05:46,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:05:47,070 INFO L225 Difference]: With dead ends: 57844 [2022-01-18 03:05:47,071 INFO L226 Difference]: Without dead ends: 57217 [2022-01-18 03:05:47,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:05:47,071 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 872 mSDsluCounter, 2944 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 872 SdHoareTripleChecker+Valid, 2814 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:05:47,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [872 Valid, 2814 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:05:47,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57217 states. [2022-01-18 03:05:47,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57217 to 24076. [2022-01-18 03:05:47,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24076 states, 24075 states have (on average 4.015451713395638) internal successors, (96672), 24075 states have internal predecessors, (96672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:47,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24076 states to 24076 states and 96672 transitions. [2022-01-18 03:05:47,879 INFO L78 Accepts]: Start accepts. Automaton has 24076 states and 96672 transitions. Word has length 117 [2022-01-18 03:05:47,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:05:47,879 INFO L470 AbstractCegarLoop]: Abstraction has 24076 states and 96672 transitions. [2022-01-18 03:05:47,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:47,879 INFO L276 IsEmpty]: Start isEmpty. Operand 24076 states and 96672 transitions. [2022-01-18 03:05:47,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:05:47,925 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:05:47,925 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:05:47,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-18 03:05:47,925 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:05:47,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:05:47,926 INFO L85 PathProgramCache]: Analyzing trace with hash -748052795, now seen corresponding path program 14 times [2022-01-18 03:05:47,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:05:47,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310846984] [2022-01-18 03:05:47,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:05:47,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:05:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:05:48,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:05:48,988 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:05:48,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310846984] [2022-01-18 03:05:48,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310846984] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:05:48,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:05:48,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:05:48,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930357308] [2022-01-18 03:05:48,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:05:48,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:05:48,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:05:48,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:05:48,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:05:48,990 INFO L87 Difference]: Start difference. First operand 24076 states and 96672 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:50,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:05:50,605 INFO L93 Difference]: Finished difference Result 57079 states and 224440 transitions. [2022-01-18 03:05:50,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:05:50,605 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:05:50,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:05:50,795 INFO L225 Difference]: With dead ends: 57079 [2022-01-18 03:05:50,796 INFO L226 Difference]: Without dead ends: 56485 [2022-01-18 03:05:50,796 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:05:50,796 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 752 mSDsluCounter, 3219 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 3045 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:05:50,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [752 Valid, 3045 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1328 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:05:51,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56485 states. [2022-01-18 03:05:51,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56485 to 24112. [2022-01-18 03:05:51,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24112 states, 24111 states have (on average 4.014059972626602) internal successors, (96783), 24111 states have internal predecessors, (96783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:51,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24112 states to 24112 states and 96783 transitions. [2022-01-18 03:05:51,788 INFO L78 Accepts]: Start accepts. Automaton has 24112 states and 96783 transitions. Word has length 117 [2022-01-18 03:05:51,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:05:51,788 INFO L470 AbstractCegarLoop]: Abstraction has 24112 states and 96783 transitions. [2022-01-18 03:05:51,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:51,789 INFO L276 IsEmpty]: Start isEmpty. Operand 24112 states and 96783 transitions. [2022-01-18 03:05:51,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:05:51,837 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:05:51,837 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:05:51,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-18 03:05:51,837 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:05:51,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:05:51,838 INFO L85 PathProgramCache]: Analyzing trace with hash 311958299, now seen corresponding path program 15 times [2022-01-18 03:05:51,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:05:51,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603833681] [2022-01-18 03:05:51,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:05:51,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:05:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:05:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:05:52,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:05:52,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603833681] [2022-01-18 03:05:52,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603833681] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:05:52,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:05:52,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:05:52,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35396495] [2022-01-18 03:05:52,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:05:52,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:05:52,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:05:52,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:05:52,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:05:52,938 INFO L87 Difference]: Start difference. First operand 24112 states and 96783 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:54,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:05:54,584 INFO L93 Difference]: Finished difference Result 56590 states and 222847 transitions. [2022-01-18 03:05:54,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:05:54,584 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:05:54,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:05:54,775 INFO L225 Difference]: With dead ends: 56590 [2022-01-18 03:05:54,775 INFO L226 Difference]: Without dead ends: 55999 [2022-01-18 03:05:54,776 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:05:54,776 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 736 mSDsluCounter, 3029 mSDsCounter, 0 mSdLazyCounter, 1293 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 736 SdHoareTripleChecker+Valid, 2871 SdHoareTripleChecker+Invalid, 1330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:05:54,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [736 Valid, 2871 Invalid, 1330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1293 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:05:55,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55999 states. [2022-01-18 03:05:55,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55999 to 24076. [2022-01-18 03:05:55,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24076 states, 24075 states have (on average 4.014953271028038) internal successors, (96660), 24075 states have internal predecessors, (96660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:55,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24076 states to 24076 states and 96660 transitions. [2022-01-18 03:05:55,850 INFO L78 Accepts]: Start accepts. Automaton has 24076 states and 96660 transitions. Word has length 117 [2022-01-18 03:05:55,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:05:55,850 INFO L470 AbstractCegarLoop]: Abstraction has 24076 states and 96660 transitions. [2022-01-18 03:05:55,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:55,850 INFO L276 IsEmpty]: Start isEmpty. Operand 24076 states and 96660 transitions. [2022-01-18 03:05:55,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:05:55,896 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:05:55,897 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:05:55,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-18 03:05:55,897 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:05:55,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:05:55,898 INFO L85 PathProgramCache]: Analyzing trace with hash -295877403, now seen corresponding path program 16 times [2022-01-18 03:05:55,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:05:55,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622478267] [2022-01-18 03:05:55,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:05:55,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:05:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:05:56,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:05:56,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:05:56,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622478267] [2022-01-18 03:05:56,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622478267] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:05:56,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:05:56,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:05:56,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666356935] [2022-01-18 03:05:56,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:05:56,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:05:56,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:05:56,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:05:56,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:05:56,905 INFO L87 Difference]: Start difference. First operand 24076 states and 96660 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:58,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:05:58,451 INFO L93 Difference]: Finished difference Result 57175 states and 224803 transitions. [2022-01-18 03:05:58,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:05:58,451 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:05:58,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:05:58,636 INFO L225 Difference]: With dead ends: 57175 [2022-01-18 03:05:58,636 INFO L226 Difference]: Without dead ends: 56593 [2022-01-18 03:05:58,637 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:05:58,637 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 812 mSDsluCounter, 2927 mSDsCounter, 0 mSdLazyCounter, 1218 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 2794 SdHoareTripleChecker+Invalid, 1255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:05:58,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [812 Valid, 2794 Invalid, 1255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1218 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:05:58,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56593 states. [2022-01-18 03:05:59,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56593 to 24112. [2022-01-18 03:05:59,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24112 states, 24111 states have (on average 4.0135622744805275) internal successors, (96771), 24111 states have internal predecessors, (96771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:59,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24112 states to 24112 states and 96771 transitions. [2022-01-18 03:05:59,631 INFO L78 Accepts]: Start accepts. Automaton has 24112 states and 96771 transitions. Word has length 117 [2022-01-18 03:05:59,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:05:59,631 INFO L470 AbstractCegarLoop]: Abstraction has 24112 states and 96771 transitions. [2022-01-18 03:05:59,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:05:59,631 INFO L276 IsEmpty]: Start isEmpty. Operand 24112 states and 96771 transitions. [2022-01-18 03:05:59,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:05:59,678 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:05:59,678 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:05:59,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-18 03:05:59,678 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:05:59,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:05:59,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1978403525, now seen corresponding path program 17 times [2022-01-18 03:05:59,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:05:59,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224657751] [2022-01-18 03:05:59,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:05:59,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:05:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:06:00,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:06:00,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:06:00,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224657751] [2022-01-18 03:06:00,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224657751] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:06:00,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:06:00,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:06:00,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107005863] [2022-01-18 03:06:00,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:06:00,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:06:00,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:06:00,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:06:00,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:06:00,469 INFO L87 Difference]: Start difference. First operand 24112 states and 96771 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:02,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:06:02,167 INFO L93 Difference]: Finished difference Result 56590 states and 222835 transitions. [2022-01-18 03:06:02,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:06:02,168 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:06:02,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:06:02,370 INFO L225 Difference]: With dead ends: 56590 [2022-01-18 03:06:02,370 INFO L226 Difference]: Without dead ends: 55987 [2022-01-18 03:06:02,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:06:02,371 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 731 mSDsluCounter, 2948 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 2805 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 03:06:02,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [731 Valid, 2805 Invalid, 1284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 03:06:02,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55987 states. [2022-01-18 03:06:03,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55987 to 24064. [2022-01-18 03:06:03,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24064 states, 24063 states have (on average 4.015251631134937) internal successors, (96619), 24063 states have internal predecessors, (96619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:03,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24064 states to 24064 states and 96619 transitions. [2022-01-18 03:06:03,399 INFO L78 Accepts]: Start accepts. Automaton has 24064 states and 96619 transitions. Word has length 117 [2022-01-18 03:06:03,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:06:03,399 INFO L470 AbstractCegarLoop]: Abstraction has 24064 states and 96619 transitions. [2022-01-18 03:06:03,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:03,400 INFO L276 IsEmpty]: Start isEmpty. Operand 24064 states and 96619 transitions. [2022-01-18 03:06:03,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:06:03,446 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:06:03,446 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] [2022-01-18 03:06:03,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-18 03:06:03,447 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:06:03,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:06:03,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1869964857, now seen corresponding path program 18 times [2022-01-18 03:06:03,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:06:03,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037202268] [2022-01-18 03:06:03,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:06:03,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:06:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:06:04,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:06:04,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:06:04,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037202268] [2022-01-18 03:06:04,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037202268] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:06:04,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:06:04,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:06:04,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891811575] [2022-01-18 03:06:04,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:06:04,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:06:04,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:06:04,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:06:04,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:06:04,259 INFO L87 Difference]: Start difference. First operand 24064 states and 96619 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:06,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:06:06,288 INFO L93 Difference]: Finished difference Result 57667 states and 226631 transitions. [2022-01-18 03:06:06,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:06:06,288 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:06:06,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:06:06,476 INFO L225 Difference]: With dead ends: 57667 [2022-01-18 03:06:06,476 INFO L226 Difference]: Without dead ends: 56680 [2022-01-18 03:06:06,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:06:06,476 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 808 mSDsluCounter, 2990 mSDsCounter, 0 mSdLazyCounter, 1276 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 2837 SdHoareTripleChecker+Invalid, 1312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 03:06:06,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [808 Valid, 2837 Invalid, 1312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1276 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 03:06:06,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56680 states. [2022-01-18 03:06:07,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56680 to 24172. [2022-01-18 03:06:07,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24172 states, 24171 states have (on average 4.011087667039014) internal successors, (96952), 24171 states have internal predecessors, (96952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:07,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24172 states to 24172 states and 96952 transitions. [2022-01-18 03:06:07,511 INFO L78 Accepts]: Start accepts. Automaton has 24172 states and 96952 transitions. Word has length 117 [2022-01-18 03:06:07,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:06:07,511 INFO L470 AbstractCegarLoop]: Abstraction has 24172 states and 96952 transitions. [2022-01-18 03:06:07,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:07,511 INFO L276 IsEmpty]: Start isEmpty. Operand 24172 states and 96952 transitions. [2022-01-18 03:06:07,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:06:07,561 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:06:07,561 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:06:07,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-18 03:06:07,562 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:06:07,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:06:07,562 INFO L85 PathProgramCache]: Analyzing trace with hash 500999523, now seen corresponding path program 19 times [2022-01-18 03:06:07,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:06:07,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350067268] [2022-01-18 03:06:07,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:06:07,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:06:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:06:08,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:06:08,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:06:08,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350067268] [2022-01-18 03:06:08,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350067268] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:06:08,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:06:08,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:06:08,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004592136] [2022-01-18 03:06:08,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:06:08,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:06:08,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:06:08,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:06:08,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:06:08,419 INFO L87 Difference]: Start difference. First operand 24172 states and 96952 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:10,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:06:10,235 INFO L93 Difference]: Finished difference Result 57271 states and 225095 transitions. [2022-01-18 03:06:10,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:06:10,236 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:06:10,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:06:10,440 INFO L225 Difference]: With dead ends: 57271 [2022-01-18 03:06:10,440 INFO L226 Difference]: Without dead ends: 56689 [2022-01-18 03:06:10,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:06:10,441 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 877 mSDsluCounter, 2835 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 877 SdHoareTripleChecker+Valid, 2713 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:06:10,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [877 Valid, 2713 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:06:10,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56689 states. [2022-01-18 03:06:11,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56689 to 24208. [2022-01-18 03:06:11,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24208 states, 24207 states have (on average 4.009707935721073) internal successors, (97063), 24207 states have internal predecessors, (97063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:11,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24208 states to 24208 states and 97063 transitions. [2022-01-18 03:06:11,469 INFO L78 Accepts]: Start accepts. Automaton has 24208 states and 97063 transitions. Word has length 117 [2022-01-18 03:06:11,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:06:11,469 INFO L470 AbstractCegarLoop]: Abstraction has 24208 states and 97063 transitions. [2022-01-18 03:06:11,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:11,470 INFO L276 IsEmpty]: Start isEmpty. Operand 24208 states and 97063 transitions. [2022-01-18 03:06:11,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:06:11,518 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:06:11,518 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:06:11,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-18 03:06:11,519 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:06:11,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:06:11,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1181526599, now seen corresponding path program 20 times [2022-01-18 03:06:11,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:06:11,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545803060] [2022-01-18 03:06:11,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:06:11,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:06:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:06:12,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:06:12,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:06:12,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545803060] [2022-01-18 03:06:12,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545803060] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:06:12,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:06:12,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:06:12,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185836791] [2022-01-18 03:06:12,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:06:12,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:06:12,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:06:12,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:06:12,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:06:12,323 INFO L87 Difference]: Start difference. First operand 24208 states and 97063 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:14,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:06:14,267 INFO L93 Difference]: Finished difference Result 56686 states and 223127 transitions. [2022-01-18 03:06:14,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:06:14,271 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:06:14,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:06:14,503 INFO L225 Difference]: With dead ends: 56686 [2022-01-18 03:06:14,504 INFO L226 Difference]: Without dead ends: 55951 [2022-01-18 03:06:14,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:06:14,504 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 687 mSDsluCounter, 3021 mSDsCounter, 0 mSdLazyCounter, 1304 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 2860 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:06:14,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [687 Valid, 2860 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1304 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:06:14,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55951 states. [2022-01-18 03:06:15,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55951 to 24028. [2022-01-18 03:06:15,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24028 states, 24027 states have (on average 4.015149623340409) internal successors, (96472), 24027 states have internal predecessors, (96472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:15,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24028 states to 24028 states and 96472 transitions. [2022-01-18 03:06:15,694 INFO L78 Accepts]: Start accepts. Automaton has 24028 states and 96472 transitions. Word has length 117 [2022-01-18 03:06:15,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:06:15,694 INFO L470 AbstractCegarLoop]: Abstraction has 24028 states and 96472 transitions. [2022-01-18 03:06:15,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:15,694 INFO L276 IsEmpty]: Start isEmpty. Operand 24028 states and 96472 transitions. [2022-01-18 03:06:15,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:06:15,754 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:06:15,754 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] [2022-01-18 03:06:15,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-18 03:06:15,754 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:06:15,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:06:15,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1614110915, now seen corresponding path program 21 times [2022-01-18 03:06:15,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:06:15,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54130397] [2022-01-18 03:06:15,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:06:15,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:06:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:06:16,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:06:16,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:06:16,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54130397] [2022-01-18 03:06:16,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54130397] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:06:16,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:06:16,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:06:16,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019284676] [2022-01-18 03:06:16,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:06:16,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:06:16,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:06:16,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:06:16,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:06:16,460 INFO L87 Difference]: Start difference. First operand 24028 states and 96472 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:18,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:06:18,589 INFO L93 Difference]: Finished difference Result 58003 states and 227897 transitions. [2022-01-18 03:06:18,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 03:06:18,589 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:06:18,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:06:18,820 INFO L225 Difference]: With dead ends: 58003 [2022-01-18 03:06:18,820 INFO L226 Difference]: Without dead ends: 57409 [2022-01-18 03:06:18,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=257, Invalid=555, Unknown=0, NotChecked=0, Total=812 [2022-01-18 03:06:18,821 INFO L933 BasicCegarLoop]: 359 mSDtfsCounter, 816 mSDsluCounter, 3080 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 2952 SdHoareTripleChecker+Invalid, 1313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:06:18,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [816 Valid, 2952 Invalid, 1313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:06:18,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57409 states. [2022-01-18 03:06:19,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57409 to 24109. [2022-01-18 03:06:19,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24109 states, 24108 states have (on average 4.013854322216692) internal successors, (96766), 24108 states have internal predecessors, (96766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:19,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24109 states to 24109 states and 96766 transitions. [2022-01-18 03:06:19,948 INFO L78 Accepts]: Start accepts. Automaton has 24109 states and 96766 transitions. Word has length 117 [2022-01-18 03:06:19,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:06:19,949 INFO L470 AbstractCegarLoop]: Abstraction has 24109 states and 96766 transitions. [2022-01-18 03:06:19,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:19,949 INFO L276 IsEmpty]: Start isEmpty. Operand 24109 states and 96766 transitions. [2022-01-18 03:06:20,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:06:20,011 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:06:20,011 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] [2022-01-18 03:06:20,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-18 03:06:20,011 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:06:20,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:06:20,011 INFO L85 PathProgramCache]: Analyzing trace with hash -281243299, now seen corresponding path program 22 times [2022-01-18 03:06:20,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:06:20,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632402360] [2022-01-18 03:06:20,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:06:20,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:06:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:06:20,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:06:20,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:06:20,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632402360] [2022-01-18 03:06:20,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632402360] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:06:20,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:06:20,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:06:20,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033762749] [2022-01-18 03:06:20,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:06:20,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:06:20,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:06:20,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:06:20,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:06:20,805 INFO L87 Difference]: Start difference. First operand 24109 states and 96766 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:22,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:06:22,652 INFO L93 Difference]: Finished difference Result 58396 states and 229307 transitions. [2022-01-18 03:06:22,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-18 03:06:22,652 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:06:22,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:06:23,193 INFO L225 Difference]: With dead ends: 58396 [2022-01-18 03:06:23,194 INFO L226 Difference]: Without dead ends: 57769 [2022-01-18 03:06:23,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=277, Invalid=593, Unknown=0, NotChecked=0, Total=870 [2022-01-18 03:06:23,194 INFO L933 BasicCegarLoop]: 370 mSDtfsCounter, 751 mSDsluCounter, 3153 mSDsCounter, 0 mSdLazyCounter, 1246 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 3033 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:06:23,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [751 Valid, 3033 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1246 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:06:23,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57769 states. [2022-01-18 03:06:23,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57769 to 24064. [2022-01-18 03:06:23,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24064 states, 24063 states have (on average 4.015251631134937) internal successors, (96619), 24063 states have internal predecessors, (96619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:24,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24064 states to 24064 states and 96619 transitions. [2022-01-18 03:06:24,047 INFO L78 Accepts]: Start accepts. Automaton has 24064 states and 96619 transitions. Word has length 117 [2022-01-18 03:06:24,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:06:24,048 INFO L470 AbstractCegarLoop]: Abstraction has 24064 states and 96619 transitions. [2022-01-18 03:06:24,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:24,048 INFO L276 IsEmpty]: Start isEmpty. Operand 24064 states and 96619 transitions. [2022-01-18 03:06:24,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:06:24,098 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:06:24,098 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:06:24,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-18 03:06:24,099 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:06:24,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:06:24,099 INFO L85 PathProgramCache]: Analyzing trace with hash 2062154151, now seen corresponding path program 23 times [2022-01-18 03:06:24,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:06:24,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264068081] [2022-01-18 03:06:24,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:06:24,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:06:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:06:25,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:06:25,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:06:25,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264068081] [2022-01-18 03:06:25,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264068081] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:06:25,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:06:25,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:06:25,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221612870] [2022-01-18 03:06:25,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:06:25,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:06:25,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:06:25,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:06:25,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:06:25,138 INFO L87 Difference]: Start difference. First operand 24064 states and 96619 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:26,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:06:26,695 INFO L93 Difference]: Finished difference Result 58552 states and 229694 transitions. [2022-01-18 03:06:26,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:06:26,695 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:06:26,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:06:26,885 INFO L225 Difference]: With dead ends: 58552 [2022-01-18 03:06:26,885 INFO L226 Difference]: Without dead ends: 57958 [2022-01-18 03:06:26,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=239, Invalid=517, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:06:26,885 INFO L933 BasicCegarLoop]: 344 mSDtfsCounter, 1017 mSDsluCounter, 2705 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1017 SdHoareTripleChecker+Valid, 2623 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:06:26,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1017 Valid, 2623 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1112 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:06:26,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57958 states. [2022-01-18 03:06:27,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57958 to 24100. [2022-01-18 03:06:27,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24100 states, 24099 states have (on average 4.013859496244658) internal successors, (96730), 24099 states have internal predecessors, (96730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:27,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24100 states to 24100 states and 96730 transitions. [2022-01-18 03:06:27,916 INFO L78 Accepts]: Start accepts. Automaton has 24100 states and 96730 transitions. Word has length 117 [2022-01-18 03:06:27,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:06:27,916 INFO L470 AbstractCegarLoop]: Abstraction has 24100 states and 96730 transitions. [2022-01-18 03:06:27,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:27,917 INFO L276 IsEmpty]: Start isEmpty. Operand 24100 states and 96730 transitions. [2022-01-18 03:06:27,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:06:27,963 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:06:27,963 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:06:27,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-18 03:06:27,964 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:06:27,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:06:27,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1172802051, now seen corresponding path program 24 times [2022-01-18 03:06:27,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:06:27,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779133709] [2022-01-18 03:06:27,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:06:27,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:06:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:06:28,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:06:28,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:06:28,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779133709] [2022-01-18 03:06:28,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779133709] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:06:28,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:06:28,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:06:28,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300971174] [2022-01-18 03:06:28,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:06:28,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:06:28,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:06:28,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:06:28,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:06:28,776 INFO L87 Difference]: Start difference. First operand 24100 states and 96730 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:30,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:06:30,535 INFO L93 Difference]: Finished difference Result 58063 states and 228101 transitions. [2022-01-18 03:06:30,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:06:30,536 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:06:30,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:06:30,722 INFO L225 Difference]: With dead ends: 58063 [2022-01-18 03:06:30,722 INFO L226 Difference]: Without dead ends: 57472 [2022-01-18 03:06:30,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=238, Invalid=518, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:06:30,723 INFO L933 BasicCegarLoop]: 344 mSDtfsCounter, 725 mSDsluCounter, 3247 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 3080 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 03:06:30,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [725 Valid, 3080 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1321 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 03:06:30,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57472 states. [2022-01-18 03:06:31,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57472 to 24064. [2022-01-18 03:06:31,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24064 states, 24063 states have (on average 4.014752940198645) internal successors, (96607), 24063 states have internal predecessors, (96607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:31,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24064 states to 24064 states and 96607 transitions. [2022-01-18 03:06:31,775 INFO L78 Accepts]: Start accepts. Automaton has 24064 states and 96607 transitions. Word has length 117 [2022-01-18 03:06:31,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:06:31,775 INFO L470 AbstractCegarLoop]: Abstraction has 24064 states and 96607 transitions. [2022-01-18 03:06:31,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:31,775 INFO L276 IsEmpty]: Start isEmpty. Operand 24064 states and 96607 transitions. [2022-01-18 03:06:31,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:06:31,835 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:06:31,835 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:06:31,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-18 03:06:31,836 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:06:31,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:06:31,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1780637753, now seen corresponding path program 25 times [2022-01-18 03:06:31,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:06:31,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956870766] [2022-01-18 03:06:31,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:06:31,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:06:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:06:32,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:06:32,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:06:32,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956870766] [2022-01-18 03:06:32,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956870766] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:06:32,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:06:32,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:06:32,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542194576] [2022-01-18 03:06:32,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:06:32,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:06:32,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:06:32,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:06:32,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:06:32,571 INFO L87 Difference]: Start difference. First operand 24064 states and 96607 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:34,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:06:34,568 INFO L93 Difference]: Finished difference Result 58540 states and 229652 transitions. [2022-01-18 03:06:34,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:06:34,569 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:06:34,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:06:34,769 INFO L225 Difference]: With dead ends: 58540 [2022-01-18 03:06:34,769 INFO L226 Difference]: Without dead ends: 57958 [2022-01-18 03:06:34,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=238, Invalid=518, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:06:34,770 INFO L933 BasicCegarLoop]: 344 mSDtfsCounter, 867 mSDsluCounter, 2967 mSDsCounter, 0 mSdLazyCounter, 1235 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 867 SdHoareTripleChecker+Valid, 2837 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:06:34,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [867 Valid, 2837 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1235 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:06:34,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57958 states. [2022-01-18 03:06:35,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57958 to 24100. [2022-01-18 03:06:35,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24100 states, 24099 states have (on average 4.013361550271796) internal successors, (96718), 24099 states have internal predecessors, (96718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:35,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24100 states to 24100 states and 96718 transitions. [2022-01-18 03:06:35,859 INFO L78 Accepts]: Start accepts. Automaton has 24100 states and 96718 transitions. Word has length 117 [2022-01-18 03:06:35,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:06:35,859 INFO L470 AbstractCegarLoop]: Abstraction has 24100 states and 96718 transitions. [2022-01-18 03:06:35,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:35,859 INFO L276 IsEmpty]: Start isEmpty. Operand 24100 states and 96718 transitions. [2022-01-18 03:06:35,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:06:35,906 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:06:35,906 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:06:35,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-18 03:06:35,906 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:06:35,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:06:35,906 INFO L85 PathProgramCache]: Analyzing trace with hash 831803421, now seen corresponding path program 26 times [2022-01-18 03:06:35,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:06:35,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155515597] [2022-01-18 03:06:35,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:06:35,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:06:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:06:36,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:06:36,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:06:36,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155515597] [2022-01-18 03:06:36,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155515597] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:06:36,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:06:36,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:06:36,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858101973] [2022-01-18 03:06:36,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:06:36,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:06:36,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:06:36,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:06:36,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:06:36,711 INFO L87 Difference]: Start difference. First operand 24100 states and 96718 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:38,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:06:38,700 INFO L93 Difference]: Finished difference Result 58063 states and 228089 transitions. [2022-01-18 03:06:38,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:06:38,701 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:06:38,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:06:38,912 INFO L225 Difference]: With dead ends: 58063 [2022-01-18 03:06:38,912 INFO L226 Difference]: Without dead ends: 57460 [2022-01-18 03:06:38,912 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=238, Invalid=518, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:06:38,913 INFO L933 BasicCegarLoop]: 344 mSDtfsCounter, 670 mSDsluCounter, 3156 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 2996 SdHoareTripleChecker+Invalid, 1367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:06:38,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [670 Valid, 2996 Invalid, 1367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1328 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:06:39,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57460 states. [2022-01-18 03:06:39,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57460 to 24052. [2022-01-18 03:06:39,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24052 states, 24051 states have (on average 4.0150513492162485) internal successors, (96566), 24051 states have internal predecessors, (96566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:40,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24052 states to 24052 states and 96566 transitions. [2022-01-18 03:06:40,112 INFO L78 Accepts]: Start accepts. Automaton has 24052 states and 96566 transitions. Word has length 117 [2022-01-18 03:06:40,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:06:40,112 INFO L470 AbstractCegarLoop]: Abstraction has 24052 states and 96566 transitions. [2022-01-18 03:06:40,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:40,113 INFO L276 IsEmpty]: Start isEmpty. Operand 24052 states and 96566 transitions. [2022-01-18 03:06:40,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:06:40,182 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:06:40,183 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:06:40,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-18 03:06:40,183 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:06:40,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:06:40,183 INFO L85 PathProgramCache]: Analyzing trace with hash -295066315, now seen corresponding path program 27 times [2022-01-18 03:06:40,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:06:40,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659288037] [2022-01-18 03:06:40,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:06:40,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:06:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:06:40,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:06:40,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:06:40,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659288037] [2022-01-18 03:06:40,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659288037] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:06:40,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:06:40,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:06:40,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545266685] [2022-01-18 03:06:40,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:06:40,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:06:40,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:06:40,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:06:40,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:06:40,960 INFO L87 Difference]: Start difference. First operand 24052 states and 96566 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:42,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:06:42,546 INFO L93 Difference]: Finished difference Result 57178 states and 225048 transitions. [2022-01-18 03:06:42,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:06:42,546 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:06:42,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:06:43,069 INFO L225 Difference]: With dead ends: 57178 [2022-01-18 03:06:43,069 INFO L226 Difference]: Without dead ends: 56584 [2022-01-18 03:06:43,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=241, Invalid=515, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:06:43,070 INFO L933 BasicCegarLoop]: 344 mSDtfsCounter, 761 mSDsluCounter, 2946 mSDsCounter, 0 mSdLazyCounter, 1250 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 2810 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:06:43,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [761 Valid, 2810 Invalid, 1287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1250 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:06:43,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56584 states. [2022-01-18 03:06:43,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56584 to 24160. [2022-01-18 03:06:43,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24160 states, 24159 states have (on average 4.013866467982946) internal successors, (96971), 24159 states have internal predecessors, (96971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:43,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24160 states to 24160 states and 96971 transitions. [2022-01-18 03:06:43,886 INFO L78 Accepts]: Start accepts. Automaton has 24160 states and 96971 transitions. Word has length 117 [2022-01-18 03:06:43,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:06:43,886 INFO L470 AbstractCegarLoop]: Abstraction has 24160 states and 96971 transitions. [2022-01-18 03:06:43,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:43,887 INFO L276 IsEmpty]: Start isEmpty. Operand 24160 states and 96971 transitions. [2022-01-18 03:06:43,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:06:43,933 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:06:43,933 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:06:43,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-18 03:06:43,933 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:06:43,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:06:43,934 INFO L85 PathProgramCache]: Analyzing trace with hash 764944779, now seen corresponding path program 28 times [2022-01-18 03:06:43,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:06:43,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952255408] [2022-01-18 03:06:43,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:06:43,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:06:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:06:45,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:06:45,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:06:45,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952255408] [2022-01-18 03:06:45,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952255408] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:06:45,064 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:06:45,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:06:45,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725250933] [2022-01-18 03:06:45,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:06:45,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:06:45,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:06:45,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:06:45,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:06:45,066 INFO L87 Difference]: Start difference. First operand 24160 states and 96971 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:46,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:06:46,782 INFO L93 Difference]: Finished difference Result 57139 states and 224892 transitions. [2022-01-18 03:06:46,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:06:46,782 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:06:46,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:06:46,971 INFO L225 Difference]: With dead ends: 57139 [2022-01-18 03:06:46,972 INFO L226 Difference]: Without dead ends: 56548 [2022-01-18 03:06:46,972 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=240, Invalid=516, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:06:46,972 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 710 mSDsluCounter, 3406 mSDsCounter, 0 mSdLazyCounter, 1418 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 710 SdHoareTripleChecker+Valid, 3203 SdHoareTripleChecker+Invalid, 1456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 03:06:46,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [710 Valid, 3203 Invalid, 1456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1418 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 03:06:47,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56548 states. [2022-01-18 03:06:47,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56548 to 24124. [2022-01-18 03:06:47,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24124 states, 24123 states have (on average 4.013762798988517) internal successors, (96824), 24123 states have internal predecessors, (96824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:48,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24124 states to 24124 states and 96824 transitions. [2022-01-18 03:06:48,012 INFO L78 Accepts]: Start accepts. Automaton has 24124 states and 96824 transitions. Word has length 117 [2022-01-18 03:06:48,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:06:48,012 INFO L470 AbstractCegarLoop]: Abstraction has 24124 states and 96824 transitions. [2022-01-18 03:06:48,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:48,012 INFO L276 IsEmpty]: Start isEmpty. Operand 24124 states and 96824 transitions. [2022-01-18 03:06:48,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:06:48,063 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:06:48,063 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:06:48,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-18 03:06:48,063 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:06:48,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:06:48,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1740003747, now seen corresponding path program 29 times [2022-01-18 03:06:48,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:06:48,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986469333] [2022-01-18 03:06:48,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:06:48,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:06:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:06:48,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:06:48,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:06:48,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986469333] [2022-01-18 03:06:48,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986469333] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:06:48,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:06:48,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:06:48,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393357820] [2022-01-18 03:06:48,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:06:48,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:06:48,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:06:48,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:06:48,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:06:48,813 INFO L87 Difference]: Start difference. First operand 24124 states and 96824 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:50,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:06:50,626 INFO L93 Difference]: Finished difference Result 56761 states and 223713 transitions. [2022-01-18 03:06:50,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:06:50,627 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:06:50,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:06:50,820 INFO L225 Difference]: With dead ends: 56761 [2022-01-18 03:06:50,820 INFO L226 Difference]: Without dead ends: 55918 [2022-01-18 03:06:50,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=242, Invalid=514, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:06:50,820 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 717 mSDsluCounter, 2787 mSDsCounter, 0 mSdLazyCounter, 1166 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 2675 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 03:06:50,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [717 Valid, 2675 Invalid, 1201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1166 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 03:06:50,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55918 states. [2022-01-18 03:06:51,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55918 to 24052. [2022-01-18 03:06:51,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24052 states, 24051 states have (on average 4.014053469710199) internal successors, (96542), 24051 states have internal predecessors, (96542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:51,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24052 states to 24052 states and 96542 transitions. [2022-01-18 03:06:51,887 INFO L78 Accepts]: Start accepts. Automaton has 24052 states and 96542 transitions. Word has length 117 [2022-01-18 03:06:51,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:06:51,887 INFO L470 AbstractCegarLoop]: Abstraction has 24052 states and 96542 transitions. [2022-01-18 03:06:51,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:51,887 INFO L276 IsEmpty]: Start isEmpty. Operand 24052 states and 96542 transitions. [2022-01-18 03:06:51,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:06:51,934 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:06:51,934 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:06:51,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-18 03:06:51,934 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:06:51,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:06:51,935 INFO L85 PathProgramCache]: Analyzing trace with hash -2124630731, now seen corresponding path program 30 times [2022-01-18 03:06:51,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:06:51,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128341836] [2022-01-18 03:06:51,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:06:51,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:06:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:06:52,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:06:52,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:06:52,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128341836] [2022-01-18 03:06:52,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128341836] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:06:52,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:06:52,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:06:52,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965369589] [2022-01-18 03:06:52,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:06:52,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:06:52,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:06:52,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:06:52,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:06:52,693 INFO L87 Difference]: Start difference. First operand 24052 states and 96542 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:54,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:06:54,800 INFO L93 Difference]: Finished difference Result 58327 states and 229269 transitions. [2022-01-18 03:06:54,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-18 03:06:54,801 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:06:54,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:06:55,008 INFO L225 Difference]: With dead ends: 58327 [2022-01-18 03:06:55,009 INFO L226 Difference]: Without dead ends: 57745 [2022-01-18 03:06:55,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=282, Invalid=588, Unknown=0, NotChecked=0, Total=870 [2022-01-18 03:06:55,010 INFO L933 BasicCegarLoop]: 366 mSDtfsCounter, 713 mSDsluCounter, 3191 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 3046 SdHoareTripleChecker+Invalid, 1320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:06:55,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [713 Valid, 3046 Invalid, 1320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:06:55,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57745 states. [2022-01-18 03:06:55,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57745 to 24160. [2022-01-18 03:06:55,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24160 states, 24159 states have (on average 4.012873049381183) internal successors, (96947), 24159 states have internal predecessors, (96947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:55,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24160 states to 24160 states and 96947 transitions. [2022-01-18 03:06:55,805 INFO L78 Accepts]: Start accepts. Automaton has 24160 states and 96947 transitions. Word has length 117 [2022-01-18 03:06:55,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:06:55,806 INFO L470 AbstractCegarLoop]: Abstraction has 24160 states and 96947 transitions. [2022-01-18 03:06:55,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:56,008 INFO L276 IsEmpty]: Start isEmpty. Operand 24160 states and 96947 transitions. [2022-01-18 03:06:56,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:06:56,058 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:06:56,059 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:06:56,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-18 03:06:56,059 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:06:56,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:06:56,059 INFO L85 PathProgramCache]: Analyzing trace with hash 487810443, now seen corresponding path program 31 times [2022-01-18 03:06:56,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:06:56,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852952286] [2022-01-18 03:06:56,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:06:56,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:06:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:06:56,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:06:56,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:06:56,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852952286] [2022-01-18 03:06:56,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852952286] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:06:56,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:06:56,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:06:56,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810835162] [2022-01-18 03:06:56,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:06:56,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:06:56,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:06:56,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:06:56,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:06:56,754 INFO L87 Difference]: Start difference. First operand 24160 states and 96947 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:58,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:06:58,378 INFO L93 Difference]: Finished difference Result 57895 states and 227658 transitions. [2022-01-18 03:06:58,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 03:06:58,378 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:06:58,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:06:58,571 INFO L225 Difference]: With dead ends: 57895 [2022-01-18 03:06:58,571 INFO L226 Difference]: Without dead ends: 57304 [2022-01-18 03:06:58,572 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=262, Invalid=550, Unknown=0, NotChecked=0, Total=812 [2022-01-18 03:06:58,572 INFO L933 BasicCegarLoop]: 354 mSDtfsCounter, 754 mSDsluCounter, 2961 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 2837 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:06:58,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [754 Valid, 2837 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1207 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:06:58,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57304 states. [2022-01-18 03:06:59,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57304 to 24124. [2022-01-18 03:06:59,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24124 states, 24123 states have (on average 4.0127678978568175) internal successors, (96800), 24123 states have internal predecessors, (96800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:59,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24124 states to 24124 states and 96800 transitions. [2022-01-18 03:06:59,566 INFO L78 Accepts]: Start accepts. Automaton has 24124 states and 96800 transitions. Word has length 117 [2022-01-18 03:06:59,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:06:59,566 INFO L470 AbstractCegarLoop]: Abstraction has 24124 states and 96800 transitions. [2022-01-18 03:06:59,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:06:59,566 INFO L276 IsEmpty]: Start isEmpty. Operand 24124 states and 96800 transitions. [2022-01-18 03:06:59,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:06:59,614 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:06:59,614 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] [2022-01-18 03:06:59,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-18 03:06:59,614 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:06:59,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:06:59,615 INFO L85 PathProgramCache]: Analyzing trace with hash 273223741, now seen corresponding path program 32 times [2022-01-18 03:06:59,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:06:59,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149445865] [2022-01-18 03:06:59,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:06:59,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:06:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:07:00,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:07:00,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:07:00,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149445865] [2022-01-18 03:07:00,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149445865] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:07:00,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:07:00,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:07:00,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129949143] [2022-01-18 03:07:00,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:07:00,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:07:00,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:07:00,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:07:00,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:07:00,203 INFO L87 Difference]: Start difference. First operand 24124 states and 96800 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:02,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:07:02,137 INFO L93 Difference]: Finished difference Result 57301 states and 225669 transitions. [2022-01-18 03:07:02,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 03:07:02,137 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:07:02,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:07:02,337 INFO L225 Difference]: With dead ends: 57301 [2022-01-18 03:07:02,337 INFO L226 Difference]: Without dead ends: 56434 [2022-01-18 03:07:02,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=264, Invalid=548, Unknown=0, NotChecked=0, Total=812 [2022-01-18 03:07:02,338 INFO L933 BasicCegarLoop]: 354 mSDtfsCounter, 572 mSDsluCounter, 3266 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 3087 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 03:07:02,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [572 Valid, 3087 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 03:07:02,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56434 states. [2022-01-18 03:07:03,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56434 to 24028. [2022-01-18 03:07:03,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24028 states, 24027 states have (on average 4.014150747076206) internal successors, (96448), 24027 states have internal predecessors, (96448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:03,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24028 states to 24028 states and 96448 transitions. [2022-01-18 03:07:03,359 INFO L78 Accepts]: Start accepts. Automaton has 24028 states and 96448 transitions. Word has length 117 [2022-01-18 03:07:03,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:07:03,359 INFO L470 AbstractCegarLoop]: Abstraction has 24028 states and 96448 transitions. [2022-01-18 03:07:03,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:03,360 INFO L276 IsEmpty]: Start isEmpty. Operand 24028 states and 96448 transitions. [2022-01-18 03:07:03,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:07:03,406 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:07:03,406 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:07:03,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-18 03:07:03,406 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:07:03,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:07:03,406 INFO L85 PathProgramCache]: Analyzing trace with hash -681414563, now seen corresponding path program 33 times [2022-01-18 03:07:03,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:07:03,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381843358] [2022-01-18 03:07:03,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:07:03,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:07:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:07:04,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:07:04,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:07:04,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381843358] [2022-01-18 03:07:04,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381843358] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:07:04,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:07:04,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:07:04,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333081099] [2022-01-18 03:07:04,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:07:04,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:07:04,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:07:04,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:07:04,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:07:04,213 INFO L87 Difference]: Start difference. First operand 24028 states and 96448 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:06,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:07:06,265 INFO L93 Difference]: Finished difference Result 56314 states and 221759 transitions. [2022-01-18 03:07:06,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:07:06,265 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:07:06,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:07:06,487 INFO L225 Difference]: With dead ends: 56314 [2022-01-18 03:07:06,487 INFO L226 Difference]: Without dead ends: 55327 [2022-01-18 03:07:06,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=221, Invalid=481, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:07:06,488 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 825 mSDsluCounter, 2646 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 2545 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:07:06,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [825 Valid, 2545 Invalid, 1137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1103 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:07:06,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55327 states. [2022-01-18 03:07:07,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55327 to 24424. [2022-01-18 03:07:07,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24424 states, 24423 states have (on average 4.009376407484748) internal successors, (97921), 24423 states have internal predecessors, (97921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:07,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24424 states to 24424 states and 97921 transitions. [2022-01-18 03:07:07,635 INFO L78 Accepts]: Start accepts. Automaton has 24424 states and 97921 transitions. Word has length 117 [2022-01-18 03:07:07,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:07:07,635 INFO L470 AbstractCegarLoop]: Abstraction has 24424 states and 97921 transitions. [2022-01-18 03:07:07,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:07,635 INFO L276 IsEmpty]: Start isEmpty. Operand 24424 states and 97921 transitions. [2022-01-18 03:07:07,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:07:07,683 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:07:07,683 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:07:07,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-18 03:07:07,683 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:07:07,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:07:07,684 INFO L85 PathProgramCache]: Analyzing trace with hash -2050379897, now seen corresponding path program 34 times [2022-01-18 03:07:07,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:07:07,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905697160] [2022-01-18 03:07:07,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:07:07,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:07:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:07:08,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:07:08,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:07:08,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905697160] [2022-01-18 03:07:08,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905697160] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:07:08,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:07:08,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:07:08,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072206085] [2022-01-18 03:07:08,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:07:08,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:07:08,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:07:08,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:07:08,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:07:08,489 INFO L87 Difference]: Start difference. First operand 24424 states and 97921 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:10,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:07:10,035 INFO L93 Difference]: Finished difference Result 56503 states and 222155 transitions. [2022-01-18 03:07:10,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:07:10,035 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:07:10,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:07:10,589 INFO L225 Difference]: With dead ends: 56503 [2022-01-18 03:07:10,589 INFO L226 Difference]: Without dead ends: 55921 [2022-01-18 03:07:10,589 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=221, Invalid=481, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:07:10,590 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 898 mSDsluCounter, 2760 mSDsCounter, 0 mSdLazyCounter, 1156 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 898 SdHoareTripleChecker+Valid, 2643 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:07:10,590 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [898 Valid, 2643 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1156 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:07:10,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55921 states. [2022-01-18 03:07:11,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55921 to 24460. [2022-01-18 03:07:11,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24460 states, 24459 states have (on average 4.008013410196655) internal successors, (98032), 24459 states have internal predecessors, (98032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:11,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24460 states to 24460 states and 98032 transitions. [2022-01-18 03:07:11,344 INFO L78 Accepts]: Start accepts. Automaton has 24460 states and 98032 transitions. Word has length 117 [2022-01-18 03:07:11,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:07:11,344 INFO L470 AbstractCegarLoop]: Abstraction has 24460 states and 98032 transitions. [2022-01-18 03:07:11,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:11,345 INFO L276 IsEmpty]: Start isEmpty. Operand 24460 states and 98032 transitions. [2022-01-18 03:07:11,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:07:11,391 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:07:11,391 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:07:11,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-18 03:07:11,392 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:07:11,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:07:11,392 INFO L85 PathProgramCache]: Analyzing trace with hash 562061277, now seen corresponding path program 35 times [2022-01-18 03:07:11,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:07:11,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19155959] [2022-01-18 03:07:11,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:07:11,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:07:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:07:12,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:07:12,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:07:12,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19155959] [2022-01-18 03:07:12,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19155959] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:07:12,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:07:12,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:07:12,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778331130] [2022-01-18 03:07:12,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:07:12,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:07:12,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:07:12,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:07:12,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:07:12,404 INFO L87 Difference]: Start difference. First operand 24460 states and 98032 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:14,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:07:14,051 INFO L93 Difference]: Finished difference Result 55918 states and 220187 transitions. [2022-01-18 03:07:14,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:07:14,059 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:07:14,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:07:14,256 INFO L225 Difference]: With dead ends: 55918 [2022-01-18 03:07:14,256 INFO L226 Difference]: Without dead ends: 55219 [2022-01-18 03:07:14,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=221, Invalid=481, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:07:14,256 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 699 mSDsluCounter, 2886 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 2745 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:07:14,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [699 Valid, 2745 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1227 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:07:14,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55219 states. [2022-01-18 03:07:15,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55219 to 24316. [2022-01-18 03:07:15,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24316 states, 24315 states have (on average 4.009047912811022) internal successors, (97480), 24315 states have internal predecessors, (97480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:15,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24316 states to 24316 states and 97480 transitions. [2022-01-18 03:07:15,284 INFO L78 Accepts]: Start accepts. Automaton has 24316 states and 97480 transitions. Word has length 117 [2022-01-18 03:07:15,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:07:15,284 INFO L470 AbstractCegarLoop]: Abstraction has 24316 states and 97480 transitions. [2022-01-18 03:07:15,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:15,285 INFO L276 IsEmpty]: Start isEmpty. Operand 24316 states and 97480 transitions. [2022-01-18 03:07:15,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:07:15,332 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:07:15,332 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:07:15,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-01-18 03:07:15,332 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:07:15,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:07:15,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1103717495, now seen corresponding path program 36 times [2022-01-18 03:07:15,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:07:15,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745678276] [2022-01-18 03:07:15,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:07:15,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:07:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:07:15,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:07:15,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:07:15,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745678276] [2022-01-18 03:07:15,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745678276] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:07:15,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:07:15,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:07:15,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737435882] [2022-01-18 03:07:15,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:07:15,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:07:15,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:07:15,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:07:15,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:07:15,997 INFO L87 Difference]: Start difference. First operand 24316 states and 97480 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:17,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:07:17,892 INFO L93 Difference]: Finished difference Result 55882 states and 220040 transitions. [2022-01-18 03:07:17,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:07:17,892 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:07:17,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:07:18,105 INFO L225 Difference]: With dead ends: 55882 [2022-01-18 03:07:18,105 INFO L226 Difference]: Without dead ends: 55300 [2022-01-18 03:07:18,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=225, Invalid=477, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:07:18,106 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 727 mSDsluCounter, 2641 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 2542 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:07:18,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [727 Valid, 2542 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1094 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:07:18,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55300 states. [2022-01-18 03:07:18,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55300 to 24424. [2022-01-18 03:07:18,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24424 states, 24423 states have (on average 4.007902387094132) internal successors, (97885), 24423 states have internal predecessors, (97885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:19,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24424 states to 24424 states and 97885 transitions. [2022-01-18 03:07:19,250 INFO L78 Accepts]: Start accepts. Automaton has 24424 states and 97885 transitions. Word has length 117 [2022-01-18 03:07:19,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:07:19,250 INFO L470 AbstractCegarLoop]: Abstraction has 24424 states and 97885 transitions. [2022-01-18 03:07:19,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:19,250 INFO L276 IsEmpty]: Start isEmpty. Operand 24424 states and 97885 transitions. [2022-01-18 03:07:19,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:07:19,297 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:07:19,297 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:07:19,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-01-18 03:07:19,297 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:07:19,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:07:19,297 INFO L85 PathProgramCache]: Analyzing trace with hash -578808627, now seen corresponding path program 37 times [2022-01-18 03:07:19,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:07:19,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436211691] [2022-01-18 03:07:19,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:07:19,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:07:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:07:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:07:20,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:07:20,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436211691] [2022-01-18 03:07:20,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436211691] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:07:20,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:07:20,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:07:20,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261692968] [2022-01-18 03:07:20,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:07:20,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:07:20,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:07:20,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:07:20,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:07:20,015 INFO L87 Difference]: Start difference. First operand 24424 states and 97885 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:21,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:07:21,643 INFO L93 Difference]: Finished difference Result 55855 states and 219914 transitions. [2022-01-18 03:07:21,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:07:21,644 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:07:21,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:07:22,176 INFO L225 Difference]: With dead ends: 55855 [2022-01-18 03:07:22,176 INFO L226 Difference]: Without dead ends: 55264 [2022-01-18 03:07:22,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=225, Invalid=477, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:07:22,176 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 739 mSDsluCounter, 2865 mSDsCounter, 0 mSdLazyCounter, 1205 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 2725 SdHoareTripleChecker+Invalid, 1239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:07:22,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [739 Valid, 2725 Invalid, 1239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1205 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:07:22,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55264 states. [2022-01-18 03:07:22,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55264 to 24388. [2022-01-18 03:07:22,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24388 states, 24387 states have (on average 4.0077910362078155) internal successors, (97738), 24387 states have internal predecessors, (97738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:22,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24388 states to 24388 states and 97738 transitions. [2022-01-18 03:07:22,904 INFO L78 Accepts]: Start accepts. Automaton has 24388 states and 97738 transitions. Word has length 117 [2022-01-18 03:07:22,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:07:22,904 INFO L470 AbstractCegarLoop]: Abstraction has 24388 states and 97738 transitions. [2022-01-18 03:07:22,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:22,904 INFO L276 IsEmpty]: Start isEmpty. Operand 24388 states and 97738 transitions. [2022-01-18 03:07:22,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:07:22,952 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:07:22,952 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:07:22,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-01-18 03:07:22,952 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:07:22,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:07:22,953 INFO L85 PathProgramCache]: Analyzing trace with hash -793395329, now seen corresponding path program 38 times [2022-01-18 03:07:22,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:07:22,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997774195] [2022-01-18 03:07:22,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:07:22,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:07:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:07:23,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:07:23,900 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:07:23,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997774195] [2022-01-18 03:07:23,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997774195] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:07:23,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:07:23,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:07:23,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109014396] [2022-01-18 03:07:23,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:07:23,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:07:23,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:07:23,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:07:23,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:07:23,902 INFO L87 Difference]: Start difference. First operand 24388 states and 97738 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:25,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:07:25,413 INFO L93 Difference]: Finished difference Result 55261 states and 217925 transitions. [2022-01-18 03:07:25,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:07:25,414 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:07:25,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:07:25,592 INFO L225 Difference]: With dead ends: 55261 [2022-01-18 03:07:25,592 INFO L226 Difference]: Without dead ends: 53986 [2022-01-18 03:07:25,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=227, Invalid=475, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:07:25,593 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 583 mSDsluCounter, 3008 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 2848 SdHoareTripleChecker+Invalid, 1279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:07:25,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [583 Valid, 2848 Invalid, 1279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:07:25,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53986 states. [2022-01-18 03:07:26,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53986 to 23884. [2022-01-18 03:07:26,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23884 states, 23883 states have (on average 4.0157434158187835) internal successors, (95908), 23883 states have internal predecessors, (95908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:26,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23884 states to 23884 states and 95908 transitions. [2022-01-18 03:07:26,626 INFO L78 Accepts]: Start accepts. Automaton has 23884 states and 95908 transitions. Word has length 117 [2022-01-18 03:07:26,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:07:26,627 INFO L470 AbstractCegarLoop]: Abstraction has 23884 states and 95908 transitions. [2022-01-18 03:07:26,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:26,627 INFO L276 IsEmpty]: Start isEmpty. Operand 23884 states and 95908 transitions. [2022-01-18 03:07:26,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:07:26,697 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:07:26,697 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:07:26,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-01-18 03:07:26,697 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:07:26,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:07:26,698 INFO L85 PathProgramCache]: Analyzing trace with hash 631923851, now seen corresponding path program 39 times [2022-01-18 03:07:26,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:07:26,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794522095] [2022-01-18 03:07:26,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:07:26,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:07:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:07:27,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:07:27,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:07:27,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794522095] [2022-01-18 03:07:27,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794522095] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:07:27,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:07:27,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:07:27,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836494821] [2022-01-18 03:07:27,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:07:27,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:07:27,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:07:27,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:07:27,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:07:27,452 INFO L87 Difference]: Start difference. First operand 23884 states and 95908 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:29,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:07:29,277 INFO L93 Difference]: Finished difference Result 57463 states and 226337 transitions. [2022-01-18 03:07:29,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:07:29,278 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:07:29,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:07:29,468 INFO L225 Difference]: With dead ends: 57463 [2022-01-18 03:07:29,469 INFO L226 Difference]: Without dead ends: 56869 [2022-01-18 03:07:29,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:07:29,469 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 698 mSDsluCounter, 3108 mSDsCounter, 0 mSdLazyCounter, 1348 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 2935 SdHoareTripleChecker+Invalid, 1382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:07:29,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [698 Valid, 2935 Invalid, 1382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1348 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:07:29,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56869 states. [2022-01-18 03:07:30,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56869 to 24865. [2022-01-18 03:07:30,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24865 states, 24864 states have (on average 4.018500643500643) internal successors, (99916), 24864 states have internal predecessors, (99916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:30,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24865 states to 24865 states and 99916 transitions. [2022-01-18 03:07:30,613 INFO L78 Accepts]: Start accepts. Automaton has 24865 states and 99916 transitions. Word has length 117 [2022-01-18 03:07:30,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:07:30,613 INFO L470 AbstractCegarLoop]: Abstraction has 24865 states and 99916 transitions. [2022-01-18 03:07:30,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:30,613 INFO L276 IsEmpty]: Start isEmpty. Operand 24865 states and 99916 transitions. [2022-01-18 03:07:30,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:07:30,666 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:07:30,666 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] [2022-01-18 03:07:30,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-01-18 03:07:30,666 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:07:30,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:07:30,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1964791467, now seen corresponding path program 40 times [2022-01-18 03:07:30,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:07:30,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085341997] [2022-01-18 03:07:30,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:07:30,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:07:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:07:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:07:31,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:07:31,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085341997] [2022-01-18 03:07:31,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085341997] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:07:31,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:07:31,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:07:31,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207284054] [2022-01-18 03:07:31,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:07:31,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:07:31,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:07:31,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:07:31,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:07:31,453 INFO L87 Difference]: Start difference. First operand 24865 states and 99916 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:33,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:07:33,478 INFO L93 Difference]: Finished difference Result 57451 states and 226262 transitions. [2022-01-18 03:07:33,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:07:33,479 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:07:33,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:07:33,720 INFO L225 Difference]: With dead ends: 57451 [2022-01-18 03:07:33,720 INFO L226 Difference]: Without dead ends: 56824 [2022-01-18 03:07:33,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:07:33,721 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 691 mSDsluCounter, 3066 mSDsCounter, 0 mSdLazyCounter, 1325 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 2894 SdHoareTripleChecker+Invalid, 1360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-01-18 03:07:33,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [691 Valid, 2894 Invalid, 1360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1325 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-01-18 03:07:33,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56824 states. [2022-01-18 03:07:34,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56824 to 24820. [2022-01-18 03:07:34,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24820 states, 24819 states have (on average 4.018534187517628) internal successors, (99736), 24819 states have internal predecessors, (99736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:34,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24820 states to 24820 states and 99736 transitions. [2022-01-18 03:07:34,533 INFO L78 Accepts]: Start accepts. Automaton has 24820 states and 99736 transitions. Word has length 117 [2022-01-18 03:07:34,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:07:34,533 INFO L470 AbstractCegarLoop]: Abstraction has 24820 states and 99736 transitions. [2022-01-18 03:07:34,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:34,533 INFO L276 IsEmpty]: Start isEmpty. Operand 24820 states and 99736 transitions. [2022-01-18 03:07:34,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:07:34,585 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:07:34,585 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:07:34,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-01-18 03:07:34,585 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:07:34,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:07:34,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1915392599, now seen corresponding path program 41 times [2022-01-18 03:07:34,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:07:34,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416851808] [2022-01-18 03:07:34,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:07:34,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:07:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:07:35,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:07:35,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:07:35,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416851808] [2022-01-18 03:07:35,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416851808] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:07:35,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:07:35,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:07:35,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209223254] [2022-01-18 03:07:35,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:07:35,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:07:35,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:07:35,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:07:35,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:07:35,604 INFO L87 Difference]: Start difference. First operand 24820 states and 99736 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:37,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:07:37,289 INFO L93 Difference]: Finished difference Result 56821 states and 224150 transitions. [2022-01-18 03:07:37,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:07:37,290 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:07:37,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:07:37,482 INFO L225 Difference]: With dead ends: 56821 [2022-01-18 03:07:37,483 INFO L226 Difference]: Without dead ends: 55699 [2022-01-18 03:07:37,483 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:07:37,483 INFO L933 BasicCegarLoop]: 338 mSDtfsCounter, 648 mSDsluCounter, 3087 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 2907 SdHoareTripleChecker+Invalid, 1409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 03:07:37,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [648 Valid, 2907 Invalid, 1409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 03:07:37,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55699 states. [2022-01-18 03:07:38,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55699 to 24685. [2022-01-18 03:07:38,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24685 states, 24684 states have (on average 4.014989466861125) internal successors, (99106), 24684 states have internal predecessors, (99106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:38,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24685 states to 24685 states and 99106 transitions. [2022-01-18 03:07:38,526 INFO L78 Accepts]: Start accepts. Automaton has 24685 states and 99106 transitions. Word has length 117 [2022-01-18 03:07:38,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:07:38,527 INFO L470 AbstractCegarLoop]: Abstraction has 24685 states and 99106 transitions. [2022-01-18 03:07:38,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:38,527 INFO L276 IsEmpty]: Start isEmpty. Operand 24685 states and 99106 transitions. [2022-01-18 03:07:38,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:07:38,578 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:07:38,578 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:07:38,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-01-18 03:07:38,578 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:07:38,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:07:38,579 INFO L85 PathProgramCache]: Analyzing trace with hash -353600917, now seen corresponding path program 42 times [2022-01-18 03:07:38,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:07:38,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102434032] [2022-01-18 03:07:38,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:07:38,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:07:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:07:39,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:07:39,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:07:39,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102434032] [2022-01-18 03:07:39,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102434032] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:07:39,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:07:39,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:07:39,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459101325] [2022-01-18 03:07:39,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:07:39,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:07:39,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:07:39,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:07:39,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:07:39,324 INFO L87 Difference]: Start difference. First operand 24685 states and 99106 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:41,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:07:41,150 INFO L93 Difference]: Finished difference Result 58096 states and 228254 transitions. [2022-01-18 03:07:41,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:07:41,150 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:07:41,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:07:41,361 INFO L225 Difference]: With dead ends: 58096 [2022-01-18 03:07:41,361 INFO L226 Difference]: Without dead ends: 57502 [2022-01-18 03:07:41,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:07:41,362 INFO L933 BasicCegarLoop]: 335 mSDtfsCounter, 814 mSDsluCounter, 2989 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 2828 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:07:41,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [814 Valid, 2828 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1306 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:07:41,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57502 states. [2022-01-18 03:07:42,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57502 to 24865. [2022-01-18 03:07:42,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24865 states, 24864 states have (on average 4.013071106821107) internal successors, (99781), 24864 states have internal predecessors, (99781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:42,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24865 states to 24865 states and 99781 transitions. [2022-01-18 03:07:42,400 INFO L78 Accepts]: Start accepts. Automaton has 24865 states and 99781 transitions. Word has length 117 [2022-01-18 03:07:42,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:07:42,400 INFO L470 AbstractCegarLoop]: Abstraction has 24865 states and 99781 transitions. [2022-01-18 03:07:42,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:42,400 INFO L276 IsEmpty]: Start isEmpty. Operand 24865 states and 99781 transitions. [2022-01-18 03:07:42,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:07:42,452 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:07:42,453 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] [2022-01-18 03:07:42,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-01-18 03:07:42,453 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:07:42,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:07:42,453 INFO L85 PathProgramCache]: Analyzing trace with hash 979266699, now seen corresponding path program 43 times [2022-01-18 03:07:42,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:07:42,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889882171] [2022-01-18 03:07:42,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:07:42,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:07:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:07:43,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:07:43,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:07:43,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889882171] [2022-01-18 03:07:43,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889882171] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:07:43,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:07:43,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:07:43,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37763091] [2022-01-18 03:07:43,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:07:43,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:07:43,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:07:43,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:07:43,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:07:43,097 INFO L87 Difference]: Start difference. First operand 24865 states and 99781 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:45,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:07:45,119 INFO L93 Difference]: Finished difference Result 57499 states and 226247 transitions. [2022-01-18 03:07:45,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:07:45,120 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:07:45,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:07:45,348 INFO L225 Difference]: With dead ends: 57499 [2022-01-18 03:07:45,348 INFO L226 Difference]: Without dead ends: 56872 [2022-01-18 03:07:45,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:07:45,349 INFO L933 BasicCegarLoop]: 335 mSDtfsCounter, 723 mSDsluCounter, 3091 mSDsCounter, 0 mSdLazyCounter, 1297 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 2923 SdHoareTripleChecker+Invalid, 1332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:07:45,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [723 Valid, 2923 Invalid, 1332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1297 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:07:45,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56872 states. [2022-01-18 03:07:46,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56872 to 24820. [2022-01-18 03:07:46,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24820 states, 24819 states have (on average 4.013094806398324) internal successors, (99601), 24819 states have internal predecessors, (99601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:46,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24820 states to 24820 states and 99601 transitions. [2022-01-18 03:07:46,549 INFO L78 Accepts]: Start accepts. Automaton has 24820 states and 99601 transitions. Word has length 117 [2022-01-18 03:07:46,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:07:46,549 INFO L470 AbstractCegarLoop]: Abstraction has 24820 states and 99601 transitions. [2022-01-18 03:07:46,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:46,549 INFO L276 IsEmpty]: Start isEmpty. Operand 24820 states and 99601 transitions. [2022-01-18 03:07:46,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:07:46,612 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:07:46,612 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:07:46,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-01-18 03:07:46,612 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:07:46,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:07:46,612 INFO L85 PathProgramCache]: Analyzing trace with hash -972231255, now seen corresponding path program 44 times [2022-01-18 03:07:46,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:07:46,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663001109] [2022-01-18 03:07:46,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:07:46,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:07:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:07:47,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:07:47,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:07:47,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663001109] [2022-01-18 03:07:47,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663001109] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:07:47,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:07:47,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:07:47,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504747000] [2022-01-18 03:07:47,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:07:47,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:07:47,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:07:47,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:07:47,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:07:47,276 INFO L87 Difference]: Start difference. First operand 24820 states and 99601 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:49,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:07:49,001 INFO L93 Difference]: Finished difference Result 56869 states and 224135 transitions. [2022-01-18 03:07:49,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:07:49,001 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:07:49,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:07:49,185 INFO L225 Difference]: With dead ends: 56869 [2022-01-18 03:07:49,185 INFO L226 Difference]: Without dead ends: 55294 [2022-01-18 03:07:49,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:07:49,186 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 657 mSDsluCounter, 3006 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 2851 SdHoareTripleChecker+Invalid, 1345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:07:49,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [657 Valid, 2851 Invalid, 1345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1311 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:07:49,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55294 states. [2022-01-18 03:07:50,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55294 to 24280. [2022-01-18 03:07:50,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24280 states, 24279 states have (on average 4.016351579554347) internal successors, (97513), 24279 states have internal predecessors, (97513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:50,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24280 states to 24280 states and 97513 transitions. [2022-01-18 03:07:50,216 INFO L78 Accepts]: Start accepts. Automaton has 24280 states and 97513 transitions. Word has length 117 [2022-01-18 03:07:50,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:07:50,216 INFO L470 AbstractCegarLoop]: Abstraction has 24280 states and 97513 transitions. [2022-01-18 03:07:50,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:50,217 INFO L276 IsEmpty]: Start isEmpty. Operand 24280 states and 97513 transitions. [2022-01-18 03:07:50,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:07:50,263 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:07:50,263 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:07:50,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-01-18 03:07:50,263 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:07:50,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:07:50,264 INFO L85 PathProgramCache]: Analyzing trace with hash 415560427, now seen corresponding path program 45 times [2022-01-18 03:07:50,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:07:50,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339502047] [2022-01-18 03:07:50,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:07:50,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:07:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:07:50,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:07:50,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:07:50,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339502047] [2022-01-18 03:07:50,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339502047] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:07:50,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:07:50,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:07:50,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930142400] [2022-01-18 03:07:50,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:07:50,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:07:50,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:07:50,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:07:50,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:07:50,921 INFO L87 Difference]: Start difference. First operand 24280 states and 97513 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:52,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:07:52,788 INFO L93 Difference]: Finished difference Result 58804 states and 230650 transitions. [2022-01-18 03:07:52,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:07:52,788 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:07:52,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:07:52,988 INFO L225 Difference]: With dead ends: 58804 [2022-01-18 03:07:52,988 INFO L226 Difference]: Without dead ends: 58210 [2022-01-18 03:07:52,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:07:52,989 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 992 mSDsluCounter, 2941 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 992 SdHoareTripleChecker+Valid, 2794 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 03:07:52,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [992 Valid, 2794 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 03:07:53,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58210 states. [2022-01-18 03:07:53,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58210 to 24496. [2022-01-18 03:07:53,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24496 states, 24495 states have (on average 4.01498264952031) internal successors, (98347), 24495 states have internal predecessors, (98347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:54,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24496 states to 24496 states and 98347 transitions. [2022-01-18 03:07:54,047 INFO L78 Accepts]: Start accepts. Automaton has 24496 states and 98347 transitions. Word has length 117 [2022-01-18 03:07:54,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:07:54,047 INFO L470 AbstractCegarLoop]: Abstraction has 24496 states and 98347 transitions. [2022-01-18 03:07:54,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:54,047 INFO L276 IsEmpty]: Start isEmpty. Operand 24496 states and 98347 transitions. [2022-01-18 03:07:54,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:07:54,094 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:07:54,094 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:07:54,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-01-18 03:07:54,094 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:07:54,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:07:54,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1748428043, now seen corresponding path program 46 times [2022-01-18 03:07:54,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:07:54,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334227253] [2022-01-18 03:07:54,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:07:54,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:07:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:07:54,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:07:54,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:07:54,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334227253] [2022-01-18 03:07:54,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334227253] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:07:54,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:07:54,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:07:54,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88067158] [2022-01-18 03:07:54,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:07:54,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:07:54,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:07:54,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:07:54,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:07:54,753 INFO L87 Difference]: Start difference. First operand 24496 states and 98347 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:56,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:07:56,675 INFO L93 Difference]: Finished difference Result 58207 states and 228643 transitions. [2022-01-18 03:07:56,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:07:56,675 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:07:56,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:07:56,919 INFO L225 Difference]: With dead ends: 58207 [2022-01-18 03:07:56,919 INFO L226 Difference]: Without dead ends: 57580 [2022-01-18 03:07:56,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:07:56,920 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 890 mSDsluCounter, 2932 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 890 SdHoareTripleChecker+Valid, 2783 SdHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:07:56,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [890 Valid, 2783 Invalid, 1281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1243 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:07:57,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57580 states. [2022-01-18 03:07:57,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57580 to 24451. [2022-01-18 03:07:57,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24451 states, 24450 states have (on average 4.015010224948875) internal successors, (98167), 24450 states have internal predecessors, (98167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:58,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24451 states to 24451 states and 98167 transitions. [2022-01-18 03:07:58,138 INFO L78 Accepts]: Start accepts. Automaton has 24451 states and 98167 transitions. Word has length 117 [2022-01-18 03:07:58,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:07:58,138 INFO L470 AbstractCegarLoop]: Abstraction has 24451 states and 98167 transitions. [2022-01-18 03:07:58,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:07:58,138 INFO L276 IsEmpty]: Start isEmpty. Operand 24451 states and 98167 transitions. [2022-01-18 03:07:58,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:07:58,188 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:07:58,188 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:07:58,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-01-18 03:07:58,188 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:07:58,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:07:58,189 INFO L85 PathProgramCache]: Analyzing trace with hash -203069911, now seen corresponding path program 47 times [2022-01-18 03:07:58,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:07:58,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665534422] [2022-01-18 03:07:58,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:07:58,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:07:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:07:58,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:07:58,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:07:58,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665534422] [2022-01-18 03:07:58,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665534422] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:07:58,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:07:58,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:07:58,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996254735] [2022-01-18 03:07:58,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:07:58,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:07:58,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:07:58,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:07:58,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:07:58,885 INFO L87 Difference]: Start difference. First operand 24451 states and 98167 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:00,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:08:00,563 INFO L93 Difference]: Finished difference Result 58615 states and 230068 transitions. [2022-01-18 03:08:00,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:08:00,564 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:08:00,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:08:01,105 INFO L225 Difference]: With dead ends: 58615 [2022-01-18 03:08:01,106 INFO L226 Difference]: Without dead ends: 57445 [2022-01-18 03:08:01,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:08:01,106 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 858 mSDsluCounter, 3021 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 2859 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:08:01,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [858 Valid, 2859 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1307 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:08:01,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57445 states. [2022-01-18 03:08:01,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57445 to 24316. [2022-01-18 03:08:01,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24316 states, 24315 states have (on average 4.015463705531565) internal successors, (97636), 24315 states have internal predecessors, (97636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:01,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24316 states to 24316 states and 97636 transitions. [2022-01-18 03:08:01,867 INFO L78 Accepts]: Start accepts. Automaton has 24316 states and 97636 transitions. Word has length 117 [2022-01-18 03:08:01,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:08:01,867 INFO L470 AbstractCegarLoop]: Abstraction has 24316 states and 97636 transitions. [2022-01-18 03:08:01,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:01,867 INFO L276 IsEmpty]: Start isEmpty. Operand 24316 states and 97636 transitions. [2022-01-18 03:08:01,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:08:01,914 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:08:01,914 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:08:01,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-01-18 03:08:01,914 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:08:01,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:08:01,915 INFO L85 PathProgramCache]: Analyzing trace with hash -604347135, now seen corresponding path program 48 times [2022-01-18 03:08:01,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:08:01,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940241473] [2022-01-18 03:08:01,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:08:01,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:08:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:08:02,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:08:02,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:08:02,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940241473] [2022-01-18 03:08:02,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940241473] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:08:02,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:08:02,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:08:02,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882332016] [2022-01-18 03:08:02,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:08:02,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:08:02,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:08:02,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:08:02,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:08:02,892 INFO L87 Difference]: Start difference. First operand 24316 states and 97636 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:04,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:08:04,542 INFO L93 Difference]: Finished difference Result 58681 states and 230151 transitions. [2022-01-18 03:08:04,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:08:04,542 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:08:04,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:08:04,735 INFO L225 Difference]: With dead ends: 58681 [2022-01-18 03:08:04,736 INFO L226 Difference]: Without dead ends: 58087 [2022-01-18 03:08:04,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:08:04,736 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 819 mSDsluCounter, 3195 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 3013 SdHoareTripleChecker+Invalid, 1397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:08:04,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [819 Valid, 3013 Invalid, 1397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1360 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:08:04,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58087 states. [2022-01-18 03:08:05,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58087 to 24373. [2022-01-18 03:08:05,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24373 states, 24372 states have (on average 4.013786312161497) internal successors, (97824), 24372 states have internal predecessors, (97824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24373 states to 24373 states and 97824 transitions. [2022-01-18 03:08:05,825 INFO L78 Accepts]: Start accepts. Automaton has 24373 states and 97824 transitions. Word has length 117 [2022-01-18 03:08:05,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:08:05,825 INFO L470 AbstractCegarLoop]: Abstraction has 24373 states and 97824 transitions. [2022-01-18 03:08:05,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:05,825 INFO L276 IsEmpty]: Start isEmpty. Operand 24373 states and 97824 transitions. [2022-01-18 03:08:05,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:08:05,872 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:08:05,872 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:08:05,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-01-18 03:08:05,872 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:08:05,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:08:05,873 INFO L85 PathProgramCache]: Analyzing trace with hash 728520481, now seen corresponding path program 49 times [2022-01-18 03:08:05,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:08:05,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796033191] [2022-01-18 03:08:05,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:08:05,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:08:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:08:06,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:08:06,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:08:06,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796033191] [2022-01-18 03:08:06,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796033191] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:08:06,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:08:06,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:08:06,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317511048] [2022-01-18 03:08:06,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:08:06,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:08:06,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:08:06,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:08:06,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:08:06,516 INFO L87 Difference]: Start difference. First operand 24373 states and 97824 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:08,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:08:08,387 INFO L93 Difference]: Finished difference Result 58669 states and 230076 transitions. [2022-01-18 03:08:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:08:08,387 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:08:08,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:08:08,597 INFO L225 Difference]: With dead ends: 58669 [2022-01-18 03:08:08,597 INFO L226 Difference]: Without dead ends: 58042 [2022-01-18 03:08:08,597 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:08:08,598 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 932 mSDsluCounter, 3003 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 2847 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:08:08,598 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [932 Valid, 2847 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1279 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:08:08,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58042 states. [2022-01-18 03:08:09,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58042 to 24328. [2022-01-18 03:08:09,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24328 states, 24327 states have (on average 4.015168331483537) internal successors, (97677), 24327 states have internal predecessors, (97677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:09,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24328 states to 24328 states and 97677 transitions. [2022-01-18 03:08:09,748 INFO L78 Accepts]: Start accepts. Automaton has 24328 states and 97677 transitions. Word has length 117 [2022-01-18 03:08:09,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:08:09,748 INFO L470 AbstractCegarLoop]: Abstraction has 24328 states and 97677 transitions. [2022-01-18 03:08:09,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:09,748 INFO L276 IsEmpty]: Start isEmpty. Operand 24328 states and 97677 transitions. [2022-01-18 03:08:09,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:08:09,798 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:08:09,798 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:08:09,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-01-18 03:08:09,798 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:08:09,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:08:09,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1223049365, now seen corresponding path program 50 times [2022-01-18 03:08:09,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:08:09,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659022260] [2022-01-18 03:08:09,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:08:09,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:08:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:08:10,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:08:10,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:08:10,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659022260] [2022-01-18 03:08:10,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659022260] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:08:10,466 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:08:10,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:08:10,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224059865] [2022-01-18 03:08:10,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:08:10,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:08:10,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:08:10,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:08:10,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:08:10,466 INFO L87 Difference]: Start difference. First operand 24328 states and 97677 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:12,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:08:12,129 INFO L93 Difference]: Finished difference Result 58633 states and 229986 transitions. [2022-01-18 03:08:12,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:08:12,130 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:08:12,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:08:12,685 INFO L225 Difference]: With dead ends: 58633 [2022-01-18 03:08:12,685 INFO L226 Difference]: Without dead ends: 58039 [2022-01-18 03:08:12,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:08:12,686 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 952 mSDsluCounter, 2927 mSDsCounter, 0 mSdLazyCounter, 1265 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 2776 SdHoareTripleChecker+Invalid, 1303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:08:12,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [952 Valid, 2776 Invalid, 1303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1265 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:08:12,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58039 states. [2022-01-18 03:08:13,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58039 to 24364. [2022-01-18 03:08:13,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24364 states, 24363 states have (on average 4.013791404999385) internal successors, (97788), 24363 states have internal predecessors, (97788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:13,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24364 states to 24364 states and 97788 transitions. [2022-01-18 03:08:13,449 INFO L78 Accepts]: Start accepts. Automaton has 24364 states and 97788 transitions. Word has length 117 [2022-01-18 03:08:13,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:08:13,449 INFO L470 AbstractCegarLoop]: Abstraction has 24364 states and 97788 transitions. [2022-01-18 03:08:13,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:13,449 INFO L276 IsEmpty]: Start isEmpty. Operand 24364 states and 97788 transitions. [2022-01-18 03:08:13,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:08:13,495 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:08:13,495 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:08:13,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-01-18 03:08:13,496 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:08:13,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:08:13,496 INFO L85 PathProgramCache]: Analyzing trace with hash -163038271, now seen corresponding path program 51 times [2022-01-18 03:08:13,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:08:13,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696412348] [2022-01-18 03:08:13,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:08:13,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:08:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:08:14,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:08:14,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:08:14,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696412348] [2022-01-18 03:08:14,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696412348] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:08:14,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:08:14,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:08:14,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118072297] [2022-01-18 03:08:14,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:08:14,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:08:14,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:08:14,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:08:14,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:08:14,417 INFO L87 Difference]: Start difference. First operand 24364 states and 97788 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:15,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:08:15,986 INFO L93 Difference]: Finished difference Result 58144 states and 228393 transitions. [2022-01-18 03:08:15,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:08:15,987 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:08:15,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:08:16,200 INFO L225 Difference]: With dead ends: 58144 [2022-01-18 03:08:16,200 INFO L226 Difference]: Without dead ends: 57553 [2022-01-18 03:08:16,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:08:16,200 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 883 mSDsluCounter, 2952 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 883 SdHoareTripleChecker+Valid, 2799 SdHoareTripleChecker+Invalid, 1302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:08:16,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [883 Valid, 2799 Invalid, 1302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:08:16,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57553 states. [2022-01-18 03:08:17,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57553 to 24328. [2022-01-18 03:08:17,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24328 states, 24327 states have (on average 4.014675052410902) internal successors, (97665), 24327 states have internal predecessors, (97665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:17,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24328 states to 24328 states and 97665 transitions. [2022-01-18 03:08:17,259 INFO L78 Accepts]: Start accepts. Automaton has 24328 states and 97665 transitions. Word has length 117 [2022-01-18 03:08:17,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:08:17,259 INFO L470 AbstractCegarLoop]: Abstraction has 24328 states and 97665 transitions. [2022-01-18 03:08:17,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:17,260 INFO L276 IsEmpty]: Start isEmpty. Operand 24328 states and 97665 transitions. [2022-01-18 03:08:17,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:08:17,306 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:08:17,306 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:08:17,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-01-18 03:08:17,306 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:08:17,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:08:17,307 INFO L85 PathProgramCache]: Analyzing trace with hash -770873973, now seen corresponding path program 52 times [2022-01-18 03:08:17,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:08:17,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390484769] [2022-01-18 03:08:17,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:08:17,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:08:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:08:17,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:08:17,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:08:17,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390484769] [2022-01-18 03:08:17,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390484769] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:08:17,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:08:17,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:08:17,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610621410] [2022-01-18 03:08:17,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:08:17,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:08:17,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:08:17,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:08:17,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:08:17,903 INFO L87 Difference]: Start difference. First operand 24328 states and 97665 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:19,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:08:19,726 INFO L93 Difference]: Finished difference Result 57892 states and 227460 transitions. [2022-01-18 03:08:19,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:08:19,726 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:08:19,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:08:19,927 INFO L225 Difference]: With dead ends: 57892 [2022-01-18 03:08:19,927 INFO L226 Difference]: Without dead ends: 57310 [2022-01-18 03:08:19,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:08:19,928 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 844 mSDsluCounter, 2937 mSDsCounter, 0 mSdLazyCounter, 1265 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 844 SdHoareTripleChecker+Valid, 2786 SdHoareTripleChecker+Invalid, 1303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:08:19,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [844 Valid, 2786 Invalid, 1303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1265 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:08:20,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57310 states. [2022-01-18 03:08:20,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57310 to 24364. [2022-01-18 03:08:20,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24364 states, 24363 states have (on average 4.013298854820835) internal successors, (97776), 24363 states have internal predecessors, (97776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:21,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24364 states to 24364 states and 97776 transitions. [2022-01-18 03:08:21,090 INFO L78 Accepts]: Start accepts. Automaton has 24364 states and 97776 transitions. Word has length 117 [2022-01-18 03:08:21,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:08:21,090 INFO L470 AbstractCegarLoop]: Abstraction has 24364 states and 97776 transitions. [2022-01-18 03:08:21,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:21,091 INFO L276 IsEmpty]: Start isEmpty. Operand 24364 states and 97776 transitions. [2022-01-18 03:08:21,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:08:21,140 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:08:21,140 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:08:21,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-01-18 03:08:21,140 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:08:21,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:08:21,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1841567201, now seen corresponding path program 53 times [2022-01-18 03:08:21,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:08:21,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454242812] [2022-01-18 03:08:21,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:08:21,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:08:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:08:21,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:08:21,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:08:21,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454242812] [2022-01-18 03:08:21,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454242812] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:08:21,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:08:21,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:08:21,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188612503] [2022-01-18 03:08:21,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:08:21,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:08:21,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:08:21,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:08:21,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:08:21,762 INFO L87 Difference]: Start difference. First operand 24364 states and 97776 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:23,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:08:23,465 INFO L93 Difference]: Finished difference Result 57415 states and 225897 transitions. [2022-01-18 03:08:23,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:08:23,465 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:08:23,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:08:23,983 INFO L225 Difference]: With dead ends: 57415 [2022-01-18 03:08:23,983 INFO L226 Difference]: Without dead ends: 56812 [2022-01-18 03:08:23,983 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:08:23,983 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 852 mSDsluCounter, 2869 mSDsCounter, 0 mSdLazyCounter, 1271 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 852 SdHoareTripleChecker+Valid, 2719 SdHoareTripleChecker+Invalid, 1309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:08:23,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [852 Valid, 2719 Invalid, 1309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1271 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:08:24,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56812 states. [2022-01-18 03:08:24,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56812 to 24316. [2022-01-18 03:08:24,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24316 states, 24315 states have (on average 4.0149701830146) internal successors, (97624), 24315 states have internal predecessors, (97624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:24,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24316 states to 24316 states and 97624 transitions. [2022-01-18 03:08:24,710 INFO L78 Accepts]: Start accepts. Automaton has 24316 states and 97624 transitions. Word has length 117 [2022-01-18 03:08:24,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:08:24,710 INFO L470 AbstractCegarLoop]: Abstraction has 24316 states and 97624 transitions. [2022-01-18 03:08:24,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:24,711 INFO L276 IsEmpty]: Start isEmpty. Operand 24316 states and 97624 transitions. [2022-01-18 03:08:24,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:08:24,758 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:08:24,758 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:08:24,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-01-18 03:08:24,758 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:08:24,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:08:24,759 INFO L85 PathProgramCache]: Analyzing trace with hash 2091997439, now seen corresponding path program 54 times [2022-01-18 03:08:24,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:08:24,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733319685] [2022-01-18 03:08:24,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:08:24,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:08:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:08:25,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:08:25,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:08:25,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733319685] [2022-01-18 03:08:25,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733319685] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:08:25,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:08:25,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:08:25,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910747561] [2022-01-18 03:08:25,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:08:25,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:08:25,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:08:25,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:08:25,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:08:25,337 INFO L87 Difference]: Start difference. First operand 24316 states and 97624 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:27,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:08:27,126 INFO L93 Difference]: Finished difference Result 57262 states and 225313 transitions. [2022-01-18 03:08:27,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:08:27,126 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:08:27,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:08:27,327 INFO L225 Difference]: With dead ends: 57262 [2022-01-18 03:08:27,327 INFO L226 Difference]: Without dead ends: 56227 [2022-01-18 03:08:27,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:08:27,328 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 766 mSDsluCounter, 2801 mSDsCounter, 0 mSdLazyCounter, 1197 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 766 SdHoareTripleChecker+Valid, 2676 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 03:08:27,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [766 Valid, 2676 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1197 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 03:08:27,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56227 states. [2022-01-18 03:08:28,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56227 to 24424. [2022-01-18 03:08:28,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24424 states, 24423 states have (on average 4.010850427875363) internal successors, (97957), 24423 states have internal predecessors, (97957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:28,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24424 states to 24424 states and 97957 transitions. [2022-01-18 03:08:28,367 INFO L78 Accepts]: Start accepts. Automaton has 24424 states and 97957 transitions. Word has length 117 [2022-01-18 03:08:28,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:08:28,367 INFO L470 AbstractCegarLoop]: Abstraction has 24424 states and 97957 transitions. [2022-01-18 03:08:28,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:28,367 INFO L276 IsEmpty]: Start isEmpty. Operand 24424 states and 97957 transitions. [2022-01-18 03:08:28,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:08:28,413 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:08:28,413 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:08:28,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-01-18 03:08:28,413 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:08:28,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:08:28,414 INFO L85 PathProgramCache]: Analyzing trace with hash -157660119, now seen corresponding path program 55 times [2022-01-18 03:08:28,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:08:28,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90382767] [2022-01-18 03:08:28,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:08:28,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:08:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:08:29,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:08:29,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:08:29,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90382767] [2022-01-18 03:08:29,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90382767] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:08:29,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:08:29,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:08:29,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636097306] [2022-01-18 03:08:29,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:08:29,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:08:29,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:08:29,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:08:29,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:08:29,077 INFO L87 Difference]: Start difference. First operand 24424 states and 97957 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:30,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:08:30,954 INFO L93 Difference]: Finished difference Result 56818 states and 223657 transitions. [2022-01-18 03:08:30,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:08:30,954 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:08:30,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:08:31,179 INFO L225 Difference]: With dead ends: 56818 [2022-01-18 03:08:31,180 INFO L226 Difference]: Without dead ends: 56224 [2022-01-18 03:08:31,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:08:31,180 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 781 mSDsluCounter, 2919 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 781 SdHoareTripleChecker+Valid, 2769 SdHoareTripleChecker+Invalid, 1297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:08:31,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [781 Valid, 2769 Invalid, 1297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1260 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:08:31,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56224 states. [2022-01-18 03:08:31,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56224 to 24460. [2022-01-18 03:08:31,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24460 states, 24459 states have (on average 4.009485261049103) internal successors, (98068), 24459 states have internal predecessors, (98068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:31,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24460 states to 24460 states and 98068 transitions. [2022-01-18 03:08:31,999 INFO L78 Accepts]: Start accepts. Automaton has 24460 states and 98068 transitions. Word has length 117 [2022-01-18 03:08:31,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:08:31,999 INFO L470 AbstractCegarLoop]: Abstraction has 24460 states and 98068 transitions. [2022-01-18 03:08:32,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:32,000 INFO L276 IsEmpty]: Start isEmpty. Operand 24460 states and 98068 transitions. [2022-01-18 03:08:32,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:08:32,398 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:08:32,398 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:08:32,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-01-18 03:08:32,398 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:08:32,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:08:32,399 INFO L85 PathProgramCache]: Analyzing trace with hash 902350975, now seen corresponding path program 56 times [2022-01-18 03:08:32,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:08:32,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582060727] [2022-01-18 03:08:32,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:08:32,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:08:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:08:33,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:08:33,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:08:33,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582060727] [2022-01-18 03:08:33,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582060727] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:08:33,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:08:33,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:08:33,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775469684] [2022-01-18 03:08:33,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:08:33,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:08:33,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:08:33,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:08:33,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:08:33,080 INFO L87 Difference]: Start difference. First operand 24460 states and 98068 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:34,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:08:34,696 INFO L93 Difference]: Finished difference Result 56221 states and 221659 transitions. [2022-01-18 03:08:34,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:08:34,696 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:08:34,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:08:34,883 INFO L225 Difference]: With dead ends: 56221 [2022-01-18 03:08:34,883 INFO L226 Difference]: Without dead ends: 55486 [2022-01-18 03:08:34,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:08:34,884 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 579 mSDsluCounter, 3181 mSDsCounter, 0 mSdLazyCounter, 1355 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 2995 SdHoareTripleChecker+Invalid, 1391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:08:34,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [579 Valid, 2995 Invalid, 1391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1355 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:08:34,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55486 states. [2022-01-18 03:08:35,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55486 to 24280. [2022-01-18 03:08:35,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24280 states, 24279 states have (on average 4.014868816672845) internal successors, (97477), 24279 states have internal predecessors, (97477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:35,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24280 states to 24280 states and 97477 transitions. [2022-01-18 03:08:35,953 INFO L78 Accepts]: Start accepts. Automaton has 24280 states and 97477 transitions. Word has length 117 [2022-01-18 03:08:35,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:08:35,953 INFO L470 AbstractCegarLoop]: Abstraction has 24280 states and 97477 transitions. [2022-01-18 03:08:35,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:35,954 INFO L276 IsEmpty]: Start isEmpty. Operand 24280 states and 97477 transitions. [2022-01-18 03:08:35,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:08:35,999 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:08:35,999 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] [2022-01-18 03:08:35,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-01-18 03:08:36,000 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:08:36,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:08:36,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1164415243, now seen corresponding path program 57 times [2022-01-18 03:08:36,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:08:36,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004512692] [2022-01-18 03:08:36,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:08:36,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:08:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:08:36,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:08:36,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:08:36,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004512692] [2022-01-18 03:08:36,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004512692] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:08:36,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:08:36,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:08:36,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117963577] [2022-01-18 03:08:36,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:08:36,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:08:36,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:08:36,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:08:36,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:08:36,630 INFO L87 Difference]: Start difference. First operand 24280 states and 97477 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:38,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:08:38,536 INFO L93 Difference]: Finished difference Result 58171 states and 228562 transitions. [2022-01-18 03:08:38,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:08:38,537 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:08:38,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:08:38,725 INFO L225 Difference]: With dead ends: 58171 [2022-01-18 03:08:38,725 INFO L226 Difference]: Without dead ends: 57577 [2022-01-18 03:08:38,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:08:38,725 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 844 mSDsluCounter, 3011 mSDsCounter, 0 mSdLazyCounter, 1274 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 844 SdHoareTripleChecker+Valid, 2853 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 03:08:38,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [844 Valid, 2853 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1274 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 03:08:38,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57577 states. [2022-01-18 03:08:39,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57577 to 24496. [2022-01-18 03:08:39,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24496 states, 24495 states have (on average 4.013512961828945) internal successors, (98311), 24495 states have internal predecessors, (98311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:39,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24496 states to 24496 states and 98311 transitions. [2022-01-18 03:08:39,736 INFO L78 Accepts]: Start accepts. Automaton has 24496 states and 98311 transitions. Word has length 117 [2022-01-18 03:08:39,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:08:39,736 INFO L470 AbstractCegarLoop]: Abstraction has 24496 states and 98311 transitions. [2022-01-18 03:08:39,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:39,736 INFO L276 IsEmpty]: Start isEmpty. Operand 24496 states and 98311 transitions. [2022-01-18 03:08:39,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:08:39,782 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:08:39,782 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:08:39,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-01-18 03:08:39,782 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:08:39,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:08:39,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1797684437, now seen corresponding path program 58 times [2022-01-18 03:08:39,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:08:39,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107039683] [2022-01-18 03:08:39,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:08:39,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:08:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:08:40,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:08:40,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:08:40,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107039683] [2022-01-18 03:08:40,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107039683] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:08:40,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:08:40,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:08:40,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258128460] [2022-01-18 03:08:40,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:08:40,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:08:40,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:08:40,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:08:40,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:08:40,414 INFO L87 Difference]: Start difference. First operand 24496 states and 98311 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:42,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:08:42,516 INFO L93 Difference]: Finished difference Result 58159 states and 228487 transitions. [2022-01-18 03:08:42,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:08:42,516 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:08:42,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:08:42,728 INFO L225 Difference]: With dead ends: 58159 [2022-01-18 03:08:42,728 INFO L226 Difference]: Without dead ends: 57532 [2022-01-18 03:08:42,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:08:42,728 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 853 mSDsluCounter, 2968 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 2813 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:08:42,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [853 Valid, 2813 Invalid, 1284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:08:42,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57532 states. [2022-01-18 03:08:43,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57532 to 24451. [2022-01-18 03:08:43,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24451 states, 24450 states have (on average 4.013537832310838) internal successors, (98131), 24450 states have internal predecessors, (98131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:43,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24451 states to 24451 states and 98131 transitions. [2022-01-18 03:08:43,495 INFO L78 Accepts]: Start accepts. Automaton has 24451 states and 98131 transitions. Word has length 117 [2022-01-18 03:08:43,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:08:43,495 INFO L470 AbstractCegarLoop]: Abstraction has 24451 states and 98131 transitions. [2022-01-18 03:08:43,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:43,495 INFO L276 IsEmpty]: Start isEmpty. Operand 24451 states and 98131 transitions. [2022-01-18 03:08:43,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:08:43,759 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:08:43,759 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:08:43,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-01-18 03:08:43,760 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:08:43,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:08:43,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1382901207, now seen corresponding path program 59 times [2022-01-18 03:08:43,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:08:43,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952096924] [2022-01-18 03:08:43,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:08:43,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:08:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:08:44,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:08:44,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:08:44,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952096924] [2022-01-18 03:08:44,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952096924] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:08:44,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:08:44,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:08:44,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917827461] [2022-01-18 03:08:44,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:08:44,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:08:44,488 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:08:44,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:08:44,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:08:44,489 INFO L87 Difference]: Start difference. First operand 24451 states and 98131 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:46,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:08:46,188 INFO L93 Difference]: Finished difference Result 58519 states and 229792 transitions. [2022-01-18 03:08:46,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:08:46,189 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:08:46,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:08:46,380 INFO L225 Difference]: With dead ends: 58519 [2022-01-18 03:08:46,380 INFO L226 Difference]: Without dead ends: 57397 [2022-01-18 03:08:46,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:08:46,380 INFO L933 BasicCegarLoop]: 335 mSDtfsCounter, 795 mSDsluCounter, 3075 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 795 SdHoareTripleChecker+Valid, 2904 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:08:46,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [795 Valid, 2904 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1307 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:08:46,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57397 states. [2022-01-18 03:08:47,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57397 to 24316. [2022-01-18 03:08:47,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24316 states, 24315 states have (on average 4.01398313798067) internal successors, (97600), 24315 states have internal predecessors, (97600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:47,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24316 states to 24316 states and 97600 transitions. [2022-01-18 03:08:47,433 INFO L78 Accepts]: Start accepts. Automaton has 24316 states and 97600 transitions. Word has length 117 [2022-01-18 03:08:47,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:08:47,433 INFO L470 AbstractCegarLoop]: Abstraction has 24316 states and 97600 transitions. [2022-01-18 03:08:47,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:47,433 INFO L276 IsEmpty]: Start isEmpty. Operand 24316 states and 97600 transitions. [2022-01-18 03:08:47,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:08:47,482 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:08:47,482 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:08:47,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-01-18 03:08:47,482 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:08:47,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:08:47,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1676162849, now seen corresponding path program 60 times [2022-01-18 03:08:47,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:08:47,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480361743] [2022-01-18 03:08:47,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:08:47,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:08:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:08:48,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:08:48,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:08:48,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480361743] [2022-01-18 03:08:48,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480361743] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:08:48,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:08:48,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:08:48,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541237247] [2022-01-18 03:08:48,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:08:48,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:08:48,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:08:48,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:08:48,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:08:48,127 INFO L87 Difference]: Start difference. First operand 24316 states and 97600 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:49,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:08:49,993 INFO L93 Difference]: Finished difference Result 58633 states and 229995 transitions. [2022-01-18 03:08:49,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:08:49,993 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:08:49,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:08:50,183 INFO L225 Difference]: With dead ends: 58633 [2022-01-18 03:08:50,183 INFO L226 Difference]: Without dead ends: 58039 [2022-01-18 03:08:50,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:08:50,183 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 896 mSDsluCounter, 3028 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 2872 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:08:50,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [896 Valid, 2872 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:08:50,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58039 states. [2022-01-18 03:08:51,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58039 to 24373. [2022-01-18 03:08:51,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24373 states, 24372 states have (on average 4.012309207287051) internal successors, (97788), 24372 states have internal predecessors, (97788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:51,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24373 states to 24373 states and 97788 transitions. [2022-01-18 03:08:51,239 INFO L78 Accepts]: Start accepts. Automaton has 24373 states and 97788 transitions. Word has length 117 [2022-01-18 03:08:51,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:08:51,239 INFO L470 AbstractCegarLoop]: Abstraction has 24373 states and 97788 transitions. [2022-01-18 03:08:51,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:51,239 INFO L276 IsEmpty]: Start isEmpty. Operand 24373 states and 97788 transitions. [2022-01-18 03:08:51,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:08:51,285 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:08:51,285 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:08:51,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-01-18 03:08:51,285 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:08:51,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:08:51,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1285936831, now seen corresponding path program 61 times [2022-01-18 03:08:51,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:08:51,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563287988] [2022-01-18 03:08:51,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:08:51,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:08:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:08:51,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:08:51,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:08:51,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563287988] [2022-01-18 03:08:51,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563287988] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:08:51,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:08:51,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:08:51,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996907959] [2022-01-18 03:08:51,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:08:51,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:08:51,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:08:51,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:08:51,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:08:51,990 INFO L87 Difference]: Start difference. First operand 24373 states and 97788 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:53,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:08:53,974 INFO L93 Difference]: Finished difference Result 58621 states and 229920 transitions. [2022-01-18 03:08:53,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:08:53,975 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:08:53,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:08:54,177 INFO L225 Difference]: With dead ends: 58621 [2022-01-18 03:08:54,177 INFO L226 Difference]: Without dead ends: 57994 [2022-01-18 03:08:54,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:08:54,177 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 804 mSDsluCounter, 3128 mSDsCounter, 0 mSdLazyCounter, 1313 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 2950 SdHoareTripleChecker+Invalid, 1351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:08:54,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [804 Valid, 2950 Invalid, 1351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1313 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:08:54,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57994 states. [2022-01-18 03:08:54,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57994 to 24328. [2022-01-18 03:08:54,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24328 states, 24327 states have (on average 4.01368849426563) internal successors, (97641), 24327 states have internal predecessors, (97641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:55,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24328 states to 24328 states and 97641 transitions. [2022-01-18 03:08:55,003 INFO L78 Accepts]: Start accepts. Automaton has 24328 states and 97641 transitions. Word has length 117 [2022-01-18 03:08:55,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:08:55,003 INFO L470 AbstractCegarLoop]: Abstraction has 24328 states and 97641 transitions. [2022-01-18 03:08:55,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:55,003 INFO L276 IsEmpty]: Start isEmpty. Operand 24328 states and 97641 transitions. [2022-01-18 03:08:55,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:08:55,258 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:08:55,258 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:08:55,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-01-18 03:08:55,258 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:08:55,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:08:55,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1057460619, now seen corresponding path program 62 times [2022-01-18 03:08:55,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:08:55,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968362382] [2022-01-18 03:08:55,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:08:55,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:08:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:08:56,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:08:56,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:08:56,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968362382] [2022-01-18 03:08:56,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968362382] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:08:56,027 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:08:56,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:08:56,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993538905] [2022-01-18 03:08:56,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:08:56,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:08:56,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:08:56,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:08:56,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:08:56,033 INFO L87 Difference]: Start difference. First operand 24328 states and 97641 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:57,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:08:57,643 INFO L93 Difference]: Finished difference Result 57856 states and 227346 transitions. [2022-01-18 03:08:57,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:08:57,643 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:08:57,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:08:57,833 INFO L225 Difference]: With dead ends: 57856 [2022-01-18 03:08:57,834 INFO L226 Difference]: Without dead ends: 57262 [2022-01-18 03:08:57,834 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:08:57,834 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 730 mSDsluCounter, 3100 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 2925 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:08:57,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [730 Valid, 2925 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:08:57,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57262 states. [2022-01-18 03:08:58,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57262 to 24364. [2022-01-18 03:08:58,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24364 states, 24363 states have (on average 4.012313754463736) internal successors, (97752), 24363 states have internal predecessors, (97752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:58,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24364 states to 24364 states and 97752 transitions. [2022-01-18 03:08:58,820 INFO L78 Accepts]: Start accepts. Automaton has 24364 states and 97752 transitions. Word has length 117 [2022-01-18 03:08:58,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:08:58,820 INFO L470 AbstractCegarLoop]: Abstraction has 24364 states and 97752 transitions. [2022-01-18 03:08:58,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:08:58,820 INFO L276 IsEmpty]: Start isEmpty. Operand 24364 states and 97752 transitions. [2022-01-18 03:08:58,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:08:58,873 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:08:58,873 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:08:58,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-01-18 03:08:58,873 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:08:58,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:08:58,874 INFO L85 PathProgramCache]: Analyzing trace with hash 2117471713, now seen corresponding path program 63 times [2022-01-18 03:08:58,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:08:58,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974884858] [2022-01-18 03:08:58,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:08:58,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:08:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:08:59,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:08:59,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:08:59,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974884858] [2022-01-18 03:08:59,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974884858] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:08:59,490 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:08:59,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:08:59,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246677372] [2022-01-18 03:08:59,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:08:59,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:08:59,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:08:59,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:08:59,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:08:59,491 INFO L87 Difference]: Start difference. First operand 24364 states and 97752 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:01,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:09:01,306 INFO L93 Difference]: Finished difference Result 57367 states and 225753 transitions. [2022-01-18 03:09:01,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:09:01,307 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:09:01,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:09:01,526 INFO L225 Difference]: With dead ends: 57367 [2022-01-18 03:09:01,526 INFO L226 Difference]: Without dead ends: 56776 [2022-01-18 03:09:01,527 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:09:01,527 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 718 mSDsluCounter, 3042 mSDsCounter, 0 mSdLazyCounter, 1292 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 2872 SdHoareTripleChecker+Invalid, 1330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:09:01,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [718 Valid, 2872 Invalid, 1330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1292 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:09:01,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56776 states. [2022-01-18 03:09:02,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56776 to 24328. [2022-01-18 03:09:02,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24328 states, 24327 states have (on average 4.0131952151929955) internal successors, (97629), 24327 states have internal predecessors, (97629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:02,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24328 states to 24328 states and 97629 transitions. [2022-01-18 03:09:02,576 INFO L78 Accepts]: Start accepts. Automaton has 24328 states and 97629 transitions. Word has length 117 [2022-01-18 03:09:02,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:09:02,576 INFO L470 AbstractCegarLoop]: Abstraction has 24328 states and 97629 transitions. [2022-01-18 03:09:02,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:02,576 INFO L276 IsEmpty]: Start isEmpty. Operand 24328 states and 97629 transitions. [2022-01-18 03:09:02,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:09:02,623 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:09:02,623 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:09:02,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-01-18 03:09:02,623 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:09:02,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:09:02,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1509636011, now seen corresponding path program 64 times [2022-01-18 03:09:02,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:09:02,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606128700] [2022-01-18 03:09:02,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:09:02,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:09:02,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:09:03,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:09:03,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:09:03,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606128700] [2022-01-18 03:09:03,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606128700] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:09:03,230 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:09:03,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:09:03,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996388962] [2022-01-18 03:09:03,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:09:03,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:09:03,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:09:03,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:09:03,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:09:03,231 INFO L87 Difference]: Start difference. First operand 24328 states and 97629 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:05,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:09:05,356 INFO L93 Difference]: Finished difference Result 57952 states and 227709 transitions. [2022-01-18 03:09:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:09:05,357 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:09:05,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:09:05,598 INFO L225 Difference]: With dead ends: 57952 [2022-01-18 03:09:05,598 INFO L226 Difference]: Without dead ends: 57370 [2022-01-18 03:09:05,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:09:05,599 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 825 mSDsluCounter, 2941 mSDsCounter, 0 mSdLazyCounter, 1267 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 2781 SdHoareTripleChecker+Invalid, 1305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 03:09:05,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [825 Valid, 2781 Invalid, 1305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1267 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 03:09:05,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57370 states. [2022-01-18 03:09:06,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57370 to 24364. [2022-01-18 03:09:06,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24364 states, 24363 states have (on average 4.011821204285186) internal successors, (97740), 24363 states have internal predecessors, (97740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:06,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24364 states to 24364 states and 97740 transitions. [2022-01-18 03:09:06,402 INFO L78 Accepts]: Start accepts. Automaton has 24364 states and 97740 transitions. Word has length 117 [2022-01-18 03:09:06,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:09:06,402 INFO L470 AbstractCegarLoop]: Abstraction has 24364 states and 97740 transitions. [2022-01-18 03:09:06,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:06,402 INFO L276 IsEmpty]: Start isEmpty. Operand 24364 states and 97740 transitions. [2022-01-18 03:09:06,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:09:06,451 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:09:06,451 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:09:06,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-01-18 03:09:06,451 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:09:06,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:09:06,451 INFO L85 PathProgramCache]: Analyzing trace with hash -172890111, now seen corresponding path program 65 times [2022-01-18 03:09:06,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:09:06,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822390561] [2022-01-18 03:09:06,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:09:06,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:09:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:09:07,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:09:07,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:09:07,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822390561] [2022-01-18 03:09:07,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822390561] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:09:07,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:09:07,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:09:07,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973708565] [2022-01-18 03:09:07,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:09:07,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:09:07,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:09:07,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:09:07,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:09:07,414 INFO L87 Difference]: Start difference. First operand 24364 states and 97740 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:09,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:09:09,016 INFO L93 Difference]: Finished difference Result 57367 states and 225741 transitions. [2022-01-18 03:09:09,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:09:09,017 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:09:09,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:09:09,197 INFO L225 Difference]: With dead ends: 57367 [2022-01-18 03:09:09,197 INFO L226 Difference]: Without dead ends: 56764 [2022-01-18 03:09:09,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:09:09,197 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 671 mSDsluCounter, 2981 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 2815 SdHoareTripleChecker+Invalid, 1331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:09:09,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [671 Valid, 2815 Invalid, 1331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:09:09,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56764 states. [2022-01-18 03:09:10,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56764 to 24316. [2022-01-18 03:09:10,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24316 states, 24315 states have (on average 4.013489615463706) internal successors, (97588), 24315 states have internal predecessors, (97588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:10,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24316 states to 24316 states and 97588 transitions. [2022-01-18 03:09:10,184 INFO L78 Accepts]: Start accepts. Automaton has 24316 states and 97588 transitions. Word has length 117 [2022-01-18 03:09:10,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:09:10,185 INFO L470 AbstractCegarLoop]: Abstraction has 24316 states and 97588 transitions. [2022-01-18 03:09:10,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:10,185 INFO L276 IsEmpty]: Start isEmpty. Operand 24316 states and 97588 transitions. [2022-01-18 03:09:10,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:09:10,230 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:09:10,230 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:09:10,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-01-18 03:09:10,231 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:09:10,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:09:10,231 INFO L85 PathProgramCache]: Analyzing trace with hash -619489025, now seen corresponding path program 66 times [2022-01-18 03:09:10,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:09:10,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795052717] [2022-01-18 03:09:10,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:09:10,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:09:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:09:10,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:09:10,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:09:10,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795052717] [2022-01-18 03:09:10,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795052717] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:09:10,791 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:09:10,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:09:10,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543349946] [2022-01-18 03:09:10,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:09:10,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:09:10,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:09:10,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:09:10,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:09:10,792 INFO L87 Difference]: Start difference. First operand 24316 states and 97588 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:12,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:09:12,609 INFO L93 Difference]: Finished difference Result 57202 states and 225127 transitions. [2022-01-18 03:09:12,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:09:12,609 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:09:12,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:09:12,797 INFO L225 Difference]: With dead ends: 57202 [2022-01-18 03:09:12,797 INFO L226 Difference]: Without dead ends: 56215 [2022-01-18 03:09:12,797 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:09:12,798 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 657 mSDsluCounter, 3129 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 2937 SdHoareTripleChecker+Invalid, 1408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:09:12,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [657 Valid, 2937 Invalid, 1408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1372 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:09:12,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56215 states. [2022-01-18 03:09:13,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56215 to 24424. [2022-01-18 03:09:13,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24424 states, 24423 states have (on average 4.009376407484748) internal successors, (97921), 24423 states have internal predecessors, (97921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:13,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24424 states to 24424 states and 97921 transitions. [2022-01-18 03:09:13,894 INFO L78 Accepts]: Start accepts. Automaton has 24424 states and 97921 transitions. Word has length 117 [2022-01-18 03:09:13,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:09:13,894 INFO L470 AbstractCegarLoop]: Abstraction has 24424 states and 97921 transitions. [2022-01-18 03:09:13,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:13,894 INFO L276 IsEmpty]: Start isEmpty. Operand 24424 states and 97921 transitions. [2022-01-18 03:09:13,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:09:13,940 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:09:13,941 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:09:13,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-01-18 03:09:13,941 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:09:13,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:09:13,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1988454359, now seen corresponding path program 67 times [2022-01-18 03:09:13,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:09:13,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288095243] [2022-01-18 03:09:13,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:09:13,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:09:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:09:14,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:09:14,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:09:14,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288095243] [2022-01-18 03:09:14,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288095243] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:09:14,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:09:14,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:09:14,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412359401] [2022-01-18 03:09:14,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:09:14,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:09:14,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:09:14,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:09:14,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:09:14,632 INFO L87 Difference]: Start difference. First operand 24424 states and 97921 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:16,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:09:16,218 INFO L93 Difference]: Finished difference Result 56806 states and 223591 transitions. [2022-01-18 03:09:16,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:09:16,218 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:09:16,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:09:16,738 INFO L225 Difference]: With dead ends: 56806 [2022-01-18 03:09:16,738 INFO L226 Difference]: Without dead ends: 56224 [2022-01-18 03:09:16,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:09:16,739 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 714 mSDsluCounter, 3050 mSDsCounter, 0 mSdLazyCounter, 1317 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 2873 SdHoareTripleChecker+Invalid, 1354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:09:16,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [714 Valid, 2873 Invalid, 1354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1317 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:09:16,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56224 states. [2022-01-18 03:09:17,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56224 to 24460. [2022-01-18 03:09:17,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24460 states, 24459 states have (on average 4.008013410196655) internal successors, (98032), 24459 states have internal predecessors, (98032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:17,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24460 states to 24460 states and 98032 transitions. [2022-01-18 03:09:17,477 INFO L78 Accepts]: Start accepts. Automaton has 24460 states and 98032 transitions. Word has length 117 [2022-01-18 03:09:17,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:09:17,478 INFO L470 AbstractCegarLoop]: Abstraction has 24460 states and 98032 transitions. [2022-01-18 03:09:17,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:17,478 INFO L276 IsEmpty]: Start isEmpty. Operand 24460 states and 98032 transitions. [2022-01-18 03:09:17,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:09:17,523 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:09:17,523 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:09:17,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-01-18 03:09:17,523 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:09:17,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:09:17,524 INFO L85 PathProgramCache]: Analyzing trace with hash 623986815, now seen corresponding path program 68 times [2022-01-18 03:09:17,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:09:17,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182190845] [2022-01-18 03:09:17,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:09:17,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:09:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:09:18,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:09:18,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:09:18,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182190845] [2022-01-18 03:09:18,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182190845] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:09:18,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:09:18,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:09:18,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638350716] [2022-01-18 03:09:18,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:09:18,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:09:18,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:09:18,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:09:18,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:09:18,451 INFO L87 Difference]: Start difference. First operand 24460 states and 98032 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:20,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:09:20,072 INFO L93 Difference]: Finished difference Result 56221 states and 221623 transitions. [2022-01-18 03:09:20,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:09:20,072 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:09:20,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:09:20,251 INFO L225 Difference]: With dead ends: 56221 [2022-01-18 03:09:20,251 INFO L226 Difference]: Without dead ends: 55378 [2022-01-18 03:09:20,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:09:20,252 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 634 mSDsluCounter, 3055 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 634 SdHoareTripleChecker+Valid, 2882 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:09:20,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [634 Valid, 2882 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:09:20,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55378 states. [2022-01-18 03:09:21,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55378 to 24172. [2022-01-18 03:09:21,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24172 states, 24171 states have (on average 4.014562905961689) internal successors, (97036), 24171 states have internal predecessors, (97036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:21,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24172 states to 24172 states and 97036 transitions. [2022-01-18 03:09:21,252 INFO L78 Accepts]: Start accepts. Automaton has 24172 states and 97036 transitions. Word has length 117 [2022-01-18 03:09:21,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:09:21,252 INFO L470 AbstractCegarLoop]: Abstraction has 24172 states and 97036 transitions. [2022-01-18 03:09:21,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:21,252 INFO L276 IsEmpty]: Start isEmpty. Operand 24172 states and 97036 transitions. [2022-01-18 03:09:21,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:09:21,299 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:09:21,299 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] [2022-01-18 03:09:21,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-01-18 03:09:21,299 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:09:21,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:09:21,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1632629833, now seen corresponding path program 69 times [2022-01-18 03:09:21,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:09:21,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940719726] [2022-01-18 03:09:21,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:09:21,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:09:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:09:21,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:09:21,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:09:21,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940719726] [2022-01-18 03:09:21,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940719726] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:09:21,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:09:21,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:09:21,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107934440] [2022-01-18 03:09:21,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:09:21,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:09:21,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:09:21,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:09:21,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:09:21,953 INFO L87 Difference]: Start difference. First operand 24172 states and 97036 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:23,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:09:23,926 INFO L93 Difference]: Finished difference Result 59503 states and 233692 transitions. [2022-01-18 03:09:23,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-18 03:09:23,927 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:09:23,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:09:24,128 INFO L225 Difference]: With dead ends: 59503 [2022-01-18 03:09:24,129 INFO L226 Difference]: Without dead ends: 58909 [2022-01-18 03:09:24,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=275, Invalid=595, Unknown=0, NotChecked=0, Total=870 [2022-01-18 03:09:24,129 INFO L933 BasicCegarLoop]: 365 mSDtfsCounter, 827 mSDsluCounter, 3191 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 3033 SdHoareTripleChecker+Invalid, 1385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:09:24,129 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [827 Valid, 3033 Invalid, 1385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:09:24,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58909 states. [2022-01-18 03:09:24,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58909 to 24460. [2022-01-18 03:09:24,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24460 states, 24459 states have (on average 4.014391430557259) internal successors, (98188), 24459 states have internal predecessors, (98188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:25,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24460 states to 24460 states and 98188 transitions. [2022-01-18 03:09:25,327 INFO L78 Accepts]: Start accepts. Automaton has 24460 states and 98188 transitions. Word has length 117 [2022-01-18 03:09:25,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:09:25,328 INFO L470 AbstractCegarLoop]: Abstraction has 24460 states and 98188 transitions. [2022-01-18 03:09:25,328 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:25,328 INFO L276 IsEmpty]: Start isEmpty. Operand 24460 states and 98188 transitions. [2022-01-18 03:09:25,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:09:25,373 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:09:25,373 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:09:25,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-01-18 03:09:25,373 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:09:25,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:09:25,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1329469847, now seen corresponding path program 70 times [2022-01-18 03:09:25,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:09:25,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517644305] [2022-01-18 03:09:25,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:09:25,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:09:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:09:26,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:09:26,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:09:26,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517644305] [2022-01-18 03:09:26,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517644305] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:09:26,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:09:26,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:09:26,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185134475] [2022-01-18 03:09:26,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:09:26,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:09:26,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:09:26,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:09:26,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:09:26,089 INFO L87 Difference]: Start difference. First operand 24460 states and 98188 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:27,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:09:27,892 INFO L93 Difference]: Finished difference Result 58906 states and 231685 transitions. [2022-01-18 03:09:27,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-18 03:09:27,892 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:09:27,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:09:28,416 INFO L225 Difference]: With dead ends: 58906 [2022-01-18 03:09:28,416 INFO L226 Difference]: Without dead ends: 58279 [2022-01-18 03:09:28,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=296, Invalid=634, Unknown=0, NotChecked=0, Total=930 [2022-01-18 03:09:28,416 INFO L933 BasicCegarLoop]: 376 mSDtfsCounter, 773 mSDsluCounter, 2934 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 773 SdHoareTripleChecker+Valid, 2824 SdHoareTripleChecker+Invalid, 1254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:09:28,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [773 Valid, 2824 Invalid, 1254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:09:28,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58279 states. [2022-01-18 03:09:29,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58279 to 24415. [2022-01-18 03:09:29,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24415 states, 24414 states have (on average 4.01441795690997) internal successors, (98008), 24414 states have internal predecessors, (98008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:29,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24415 states to 24415 states and 98008 transitions. [2022-01-18 03:09:29,181 INFO L78 Accepts]: Start accepts. Automaton has 24415 states and 98008 transitions. Word has length 117 [2022-01-18 03:09:29,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:09:29,181 INFO L470 AbstractCegarLoop]: Abstraction has 24415 states and 98008 transitions. [2022-01-18 03:09:29,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:29,181 INFO L276 IsEmpty]: Start isEmpty. Operand 24415 states and 98008 transitions. [2022-01-18 03:09:29,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:09:29,231 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:09:29,231 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] [2022-01-18 03:09:29,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-01-18 03:09:29,231 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:09:29,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:09:29,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1013999495, now seen corresponding path program 71 times [2022-01-18 03:09:29,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:09:29,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557415580] [2022-01-18 03:09:29,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:09:29,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:09:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:09:30,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:09:30,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:09:30,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557415580] [2022-01-18 03:09:30,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557415580] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:09:30,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:09:30,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:09:30,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676171904] [2022-01-18 03:09:30,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:09:30,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:09:30,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:09:30,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:09:30,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:09:30,092 INFO L87 Difference]: Start difference. First operand 24415 states and 98008 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:31,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:09:31,787 INFO L93 Difference]: Finished difference Result 58774 states and 231085 transitions. [2022-01-18 03:09:31,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 03:09:31,787 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:09:31,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:09:31,991 INFO L225 Difference]: With dead ends: 58774 [2022-01-18 03:09:31,991 INFO L226 Difference]: Without dead ends: 57604 [2022-01-18 03:09:31,991 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=256, Invalid=556, Unknown=0, NotChecked=0, Total=812 [2022-01-18 03:09:31,991 INFO L933 BasicCegarLoop]: 357 mSDtfsCounter, 660 mSDsluCounter, 3297 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 3115 SdHoareTripleChecker+Invalid, 1451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 03:09:31,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [660 Valid, 3115 Invalid, 1451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1413 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 03:09:32,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57604 states. [2022-01-18 03:09:32,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57604 to 24280. [2022-01-18 03:09:32,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24280 states, 24279 states have (on average 4.014868816672845) internal successors, (97477), 24279 states have internal predecessors, (97477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:33,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24280 states to 24280 states and 97477 transitions. [2022-01-18 03:09:33,005 INFO L78 Accepts]: Start accepts. Automaton has 24280 states and 97477 transitions. Word has length 117 [2022-01-18 03:09:33,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:09:33,005 INFO L470 AbstractCegarLoop]: Abstraction has 24280 states and 97477 transitions. [2022-01-18 03:09:33,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:33,005 INFO L276 IsEmpty]: Start isEmpty. Operand 24280 states and 97477 transitions. [2022-01-18 03:09:33,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:09:33,050 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:09:33,050 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:09:33,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-01-18 03:09:33,050 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:09:33,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:09:33,051 INFO L85 PathProgramCache]: Analyzing trace with hash 612722271, now seen corresponding path program 72 times [2022-01-18 03:09:33,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:09:33,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091352723] [2022-01-18 03:09:33,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:09:33,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:09:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:09:33,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:09:33,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:09:33,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091352723] [2022-01-18 03:09:33,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091352723] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:09:33,728 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:09:33,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:09:33,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426624844] [2022-01-18 03:09:33,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:09:33,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:09:33,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:09:33,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:09:33,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:09:33,729 INFO L87 Difference]: Start difference. First operand 24280 states and 97477 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:35,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:09:35,713 INFO L93 Difference]: Finished difference Result 59617 states and 233805 transitions. [2022-01-18 03:09:35,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:09:35,713 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:09:35,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:09:35,909 INFO L225 Difference]: With dead ends: 59617 [2022-01-18 03:09:35,909 INFO L226 Difference]: Without dead ends: 59023 [2022-01-18 03:09:35,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=238, Invalid=518, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:09:35,909 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 887 mSDsluCounter, 2919 mSDsCounter, 0 mSdLazyCounter, 1261 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 887 SdHoareTripleChecker+Valid, 2781 SdHoareTripleChecker+Invalid, 1299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:09:35,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [887 Valid, 2781 Invalid, 1299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1261 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:09:35,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59023 states. [2022-01-18 03:09:36,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59023 to 24337. [2022-01-18 03:09:36,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24337 states, 24336 states have (on average 4.01319033530572) internal successors, (97665), 24336 states have internal predecessors, (97665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:37,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24337 states to 24337 states and 97665 transitions. [2022-01-18 03:09:37,070 INFO L78 Accepts]: Start accepts. Automaton has 24337 states and 97665 transitions. Word has length 117 [2022-01-18 03:09:37,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:09:37,070 INFO L470 AbstractCegarLoop]: Abstraction has 24337 states and 97665 transitions. [2022-01-18 03:09:37,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:37,070 INFO L276 IsEmpty]: Start isEmpty. Operand 24337 states and 97665 transitions. [2022-01-18 03:09:37,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:09:37,117 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:09:37,117 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:09:37,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-01-18 03:09:37,118 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:09:37,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:09:37,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1945589887, now seen corresponding path program 73 times [2022-01-18 03:09:37,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:09:37,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389771995] [2022-01-18 03:09:37,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:09:37,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:09:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:09:37,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:09:37,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:09:37,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389771995] [2022-01-18 03:09:37,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389771995] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:09:37,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:09:37,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:09:37,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30016880] [2022-01-18 03:09:37,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:09:37,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:09:37,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:09:37,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:09:37,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:09:37,769 INFO L87 Difference]: Start difference. First operand 24337 states and 97665 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:39,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:09:39,379 INFO L93 Difference]: Finished difference Result 59605 states and 233730 transitions. [2022-01-18 03:09:39,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:09:39,379 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:09:39,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:09:39,921 INFO L225 Difference]: With dead ends: 59605 [2022-01-18 03:09:39,921 INFO L226 Difference]: Without dead ends: 58978 [2022-01-18 03:09:39,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=238, Invalid=518, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:09:39,922 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 833 mSDsluCounter, 3101 mSDsCounter, 0 mSdLazyCounter, 1293 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 2943 SdHoareTripleChecker+Invalid, 1332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:09:39,922 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [833 Valid, 2943 Invalid, 1332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1293 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:09:40,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58978 states. [2022-01-18 03:09:40,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58978 to 24292. [2022-01-18 03:09:40,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24292 states, 24291 states have (on average 4.014573298752625) internal successors, (97518), 24291 states have internal predecessors, (97518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:40,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24292 states to 24292 states and 97518 transitions. [2022-01-18 03:09:40,662 INFO L78 Accepts]: Start accepts. Automaton has 24292 states and 97518 transitions. Word has length 117 [2022-01-18 03:09:40,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:09:40,662 INFO L470 AbstractCegarLoop]: Abstraction has 24292 states and 97518 transitions. [2022-01-18 03:09:40,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:40,662 INFO L276 IsEmpty]: Start isEmpty. Operand 24292 states and 97518 transitions. [2022-01-18 03:09:40,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:09:40,707 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:09:40,707 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:09:40,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-01-18 03:09:40,708 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:09:40,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:09:40,708 INFO L85 PathProgramCache]: Analyzing trace with hash -5979959, now seen corresponding path program 74 times [2022-01-18 03:09:40,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:09:40,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979177358] [2022-01-18 03:09:40,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:09:40,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:09:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:09:41,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:09:41,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:09:41,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979177358] [2022-01-18 03:09:41,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979177358] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:09:41,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:09:41,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:09:41,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602304750] [2022-01-18 03:09:41,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:09:41,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:09:41,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:09:41,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:09:41,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:09:41,634 INFO L87 Difference]: Start difference. First operand 24292 states and 97518 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:43,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:09:43,277 INFO L93 Difference]: Finished difference Result 59569 states and 233640 transitions. [2022-01-18 03:09:43,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:09:43,277 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:09:43,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:09:43,481 INFO L225 Difference]: With dead ends: 59569 [2022-01-18 03:09:43,481 INFO L226 Difference]: Without dead ends: 58975 [2022-01-18 03:09:43,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=238, Invalid=518, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:09:43,481 INFO L933 BasicCegarLoop]: 341 mSDtfsCounter, 816 mSDsluCounter, 3040 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 2888 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:09:43,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [816 Valid, 2888 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:09:43,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58975 states. [2022-01-18 03:09:44,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58975 to 24328. [2022-01-18 03:09:44,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24328 states, 24327 states have (on average 4.0131952151929955) internal successors, (97629), 24327 states have internal predecessors, (97629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:44,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24328 states to 24328 states and 97629 transitions. [2022-01-18 03:09:44,506 INFO L78 Accepts]: Start accepts. Automaton has 24328 states and 97629 transitions. Word has length 117 [2022-01-18 03:09:44,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:09:44,507 INFO L470 AbstractCegarLoop]: Abstraction has 24328 states and 97629 transitions. [2022-01-18 03:09:44,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:44,507 INFO L276 IsEmpty]: Start isEmpty. Operand 24328 states and 97629 transitions. [2022-01-18 03:09:44,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:09:44,552 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:09:44,552 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:09:44,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-01-18 03:09:44,552 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:09:44,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:09:44,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1054031135, now seen corresponding path program 75 times [2022-01-18 03:09:44,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:09:44,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018343195] [2022-01-18 03:09:44,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:09:44,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:09:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:09:45,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:09:45,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:09:45,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018343195] [2022-01-18 03:09:45,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018343195] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:09:45,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:09:45,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:09:45,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894960516] [2022-01-18 03:09:45,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:09:45,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:09:45,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:09:45,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:09:45,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:09:45,211 INFO L87 Difference]: Start difference. First operand 24328 states and 97629 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:46,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:09:46,979 INFO L93 Difference]: Finished difference Result 59080 states and 232047 transitions. [2022-01-18 03:09:46,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:09:46,979 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:09:46,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:09:47,178 INFO L225 Difference]: With dead ends: 59080 [2022-01-18 03:09:47,178 INFO L226 Difference]: Without dead ends: 58489 [2022-01-18 03:09:47,178 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=238, Invalid=518, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:09:47,178 INFO L933 BasicCegarLoop]: 341 mSDtfsCounter, 733 mSDsluCounter, 2994 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 2846 SdHoareTripleChecker+Invalid, 1299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:09:47,179 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [733 Valid, 2846 Invalid, 1299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1260 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:09:47,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58489 states. [2022-01-18 03:09:47,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58489 to 24292. [2022-01-18 03:09:47,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24292 states, 24291 states have (on average 4.014079288625417) internal successors, (97506), 24291 states have internal predecessors, (97506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:48,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24292 states to 24292 states and 97506 transitions. [2022-01-18 03:09:48,309 INFO L78 Accepts]: Start accepts. Automaton has 24292 states and 97506 transitions. Word has length 117 [2022-01-18 03:09:48,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:09:48,310 INFO L470 AbstractCegarLoop]: Abstraction has 24292 states and 97506 transitions. [2022-01-18 03:09:48,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:48,310 INFO L276 IsEmpty]: Start isEmpty. Operand 24292 states and 97506 transitions. [2022-01-18 03:09:48,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:09:48,355 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:09:48,355 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:09:48,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-01-18 03:09:48,355 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:09:48,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:09:48,355 INFO L85 PathProgramCache]: Analyzing trace with hash 446195433, now seen corresponding path program 76 times [2022-01-18 03:09:48,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:09:48,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068797920] [2022-01-18 03:09:48,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:09:48,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:09:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:09:49,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:09:49,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:09:49,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068797920] [2022-01-18 03:09:49,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068797920] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:09:49,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:09:49,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:09:49,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614331624] [2022-01-18 03:09:49,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:09:49,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:09:49,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:09:49,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:09:49,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:09:49,007 INFO L87 Difference]: Start difference. First operand 24292 states and 97506 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:50,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:09:50,532 INFO L93 Difference]: Finished difference Result 58828 states and 231114 transitions. [2022-01-18 03:09:50,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:09:50,533 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:09:50,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:09:51,059 INFO L225 Difference]: With dead ends: 58828 [2022-01-18 03:09:51,059 INFO L226 Difference]: Without dead ends: 58246 [2022-01-18 03:09:51,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=239, Invalid=517, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:09:51,060 INFO L933 BasicCegarLoop]: 341 mSDtfsCounter, 744 mSDsluCounter, 2981 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 2829 SdHoareTripleChecker+Invalid, 1312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:09:51,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [744 Valid, 2829 Invalid, 1312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1273 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:09:51,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58246 states. [2022-01-18 03:09:51,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58246 to 24328. [2022-01-18 03:09:51,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24328 states, 24327 states have (on average 4.01270193612036) internal successors, (97617), 24327 states have internal predecessors, (97617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:51,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24328 states to 24328 states and 97617 transitions. [2022-01-18 03:09:51,844 INFO L78 Accepts]: Start accepts. Automaton has 24328 states and 97617 transitions. Word has length 117 [2022-01-18 03:09:51,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:09:51,844 INFO L470 AbstractCegarLoop]: Abstraction has 24328 states and 97617 transitions. [2022-01-18 03:09:51,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:51,844 INFO L276 IsEmpty]: Start isEmpty. Operand 24328 states and 97617 transitions. [2022-01-18 03:09:51,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:09:51,890 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:09:51,890 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:09:51,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-01-18 03:09:51,890 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:09:51,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:09:51,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1236330689, now seen corresponding path program 77 times [2022-01-18 03:09:51,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:09:51,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528709147] [2022-01-18 03:09:51,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:09:51,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:09:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:09:52,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:09:52,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:09:52,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528709147] [2022-01-18 03:09:52,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528709147] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:09:52,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:09:52,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:09:52,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655239719] [2022-01-18 03:09:52,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:09:52,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:09:52,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:09:52,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:09:52,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:09:52,488 INFO L87 Difference]: Start difference. First operand 24328 states and 97617 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:54,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:09:54,270 INFO L93 Difference]: Finished difference Result 58351 states and 229551 transitions. [2022-01-18 03:09:54,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:09:54,271 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:09:54,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:09:54,460 INFO L225 Difference]: With dead ends: 58351 [2022-01-18 03:09:54,460 INFO L226 Difference]: Without dead ends: 57748 [2022-01-18 03:09:54,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=238, Invalid=518, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:09:54,460 INFO L933 BasicCegarLoop]: 341 mSDtfsCounter, 816 mSDsluCounter, 2874 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 2737 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 03:09:54,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [816 Valid, 2737 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1243 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 03:09:54,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57748 states. [2022-01-18 03:09:55,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57748 to 24280. [2022-01-18 03:09:55,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24280 states, 24279 states have (on average 4.014374562379011) internal successors, (97465), 24279 states have internal predecessors, (97465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:55,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24280 states to 24280 states and 97465 transitions. [2022-01-18 03:09:55,484 INFO L78 Accepts]: Start accepts. Automaton has 24280 states and 97465 transitions. Word has length 117 [2022-01-18 03:09:55,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:09:55,484 INFO L470 AbstractCegarLoop]: Abstraction has 24280 states and 97465 transitions. [2022-01-18 03:09:55,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:55,484 INFO L276 IsEmpty]: Start isEmpty. Operand 24280 states and 97465 transitions. [2022-01-18 03:09:55,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:09:55,529 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:09:55,529 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:09:55,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-01-18 03:09:55,529 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:09:55,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:09:55,530 INFO L85 PathProgramCache]: Analyzing trace with hash -985900451, now seen corresponding path program 78 times [2022-01-18 03:09:55,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:09:55,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121655816] [2022-01-18 03:09:55,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:09:55,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:09:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:09:56,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:09:56,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:09:56,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121655816] [2022-01-18 03:09:56,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121655816] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:09:56,155 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:09:56,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:09:56,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162026568] [2022-01-18 03:09:56,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:09:56,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:09:56,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:09:56,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:09:56,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:09:56,155 INFO L87 Difference]: Start difference. First operand 24280 states and 97465 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:58,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:09:58,119 INFO L93 Difference]: Finished difference Result 59488 states and 233497 transitions. [2022-01-18 03:09:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:09:58,119 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:09:58,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:09:58,356 INFO L225 Difference]: With dead ends: 59488 [2022-01-18 03:09:58,356 INFO L226 Difference]: Without dead ends: 58453 [2022-01-18 03:09:58,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=238, Invalid=518, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:09:58,357 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 760 mSDsluCounter, 3023 mSDsCounter, 0 mSdLazyCounter, 1301 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 2870 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:09:58,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [760 Valid, 2870 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1301 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:09:58,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58453 states. [2022-01-18 03:09:59,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58453 to 24388. [2022-01-18 03:09:59,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24388 states, 24387 states have (on average 4.010251363431336) internal successors, (97798), 24387 states have internal predecessors, (97798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:59,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24388 states to 24388 states and 97798 transitions. [2022-01-18 03:09:59,521 INFO L78 Accepts]: Start accepts. Automaton has 24388 states and 97798 transitions. Word has length 117 [2022-01-18 03:09:59,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:09:59,521 INFO L470 AbstractCegarLoop]: Abstraction has 24388 states and 97798 transitions. [2022-01-18 03:09:59,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:09:59,521 INFO L276 IsEmpty]: Start isEmpty. Operand 24388 states and 97798 transitions. [2022-01-18 03:09:59,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:09:59,594 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:09:59,594 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:09:59,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-01-18 03:09:59,594 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:09:59,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:09:59,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1059409287, now seen corresponding path program 79 times [2022-01-18 03:09:59,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:09:59,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179045191] [2022-01-18 03:09:59,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:09:59,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:09:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:10:00,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:10:00,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:10:00,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179045191] [2022-01-18 03:10:00,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179045191] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:10:00,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:10:00,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:10:00,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471156306] [2022-01-18 03:10:00,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:10:00,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:10:00,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:10:00,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:10:00,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:10:00,261 INFO L87 Difference]: Start difference. First operand 24388 states and 97798 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:01,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:10:01,866 INFO L93 Difference]: Finished difference Result 59044 states and 231841 transitions. [2022-01-18 03:10:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:10:01,866 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:10:01,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:10:02,081 INFO L225 Difference]: With dead ends: 59044 [2022-01-18 03:10:02,082 INFO L226 Difference]: Without dead ends: 58450 [2022-01-18 03:10:02,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=238, Invalid=518, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:10:02,082 INFO L933 BasicCegarLoop]: 343 mSDtfsCounter, 739 mSDsluCounter, 3083 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 2920 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:10:02,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [739 Valid, 2920 Invalid, 1343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:10:02,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58450 states. [2022-01-18 03:10:03,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58450 to 24424. [2022-01-18 03:10:03,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24424 states, 24423 states have (on average 4.008885067354543) internal successors, (97909), 24423 states have internal predecessors, (97909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:03,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24424 states to 24424 states and 97909 transitions. [2022-01-18 03:10:03,134 INFO L78 Accepts]: Start accepts. Automaton has 24424 states and 97909 transitions. Word has length 117 [2022-01-18 03:10:03,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:10:03,134 INFO L470 AbstractCegarLoop]: Abstraction has 24424 states and 97909 transitions. [2022-01-18 03:10:03,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:03,134 INFO L276 IsEmpty]: Start isEmpty. Operand 24424 states and 97909 transitions. [2022-01-18 03:10:03,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:10:03,182 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:10:03,182 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:10:03,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-01-18 03:10:03,182 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:10:03,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:10:03,183 INFO L85 PathProgramCache]: Analyzing trace with hash 2119420381, now seen corresponding path program 80 times [2022-01-18 03:10:03,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:10:03,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499442700] [2022-01-18 03:10:03,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:10:03,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:10:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:10:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:10:03,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:10:03,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499442700] [2022-01-18 03:10:03,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499442700] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:10:03,819 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:10:03,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:10:03,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952592937] [2022-01-18 03:10:03,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:10:03,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:10:03,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:10:03,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:10:03,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:10:03,824 INFO L87 Difference]: Start difference. First operand 24424 states and 97909 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:05,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:10:05,560 INFO L93 Difference]: Finished difference Result 58447 states and 229843 transitions. [2022-01-18 03:10:05,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:10:05,560 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:10:05,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:10:05,748 INFO L225 Difference]: With dead ends: 58447 [2022-01-18 03:10:05,749 INFO L226 Difference]: Without dead ends: 57712 [2022-01-18 03:10:05,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=238, Invalid=518, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:10:05,749 INFO L933 BasicCegarLoop]: 343 mSDtfsCounter, 688 mSDsluCounter, 2919 mSDsCounter, 0 mSdLazyCounter, 1253 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 2776 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:10:05,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [688 Valid, 2776 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1253 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:10:05,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57712 states. [2022-01-18 03:10:06,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57712 to 24244. [2022-01-18 03:10:06,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24244 states, 24243 states have (on average 4.014272161036176) internal successors, (97318), 24243 states have internal predecessors, (97318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:06,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24244 states to 24244 states and 97318 transitions. [2022-01-18 03:10:06,771 INFO L78 Accepts]: Start accepts. Automaton has 24244 states and 97318 transitions. Word has length 117 [2022-01-18 03:10:06,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:10:06,772 INFO L470 AbstractCegarLoop]: Abstraction has 24244 states and 97318 transitions. [2022-01-18 03:10:06,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:06,772 INFO L276 IsEmpty]: Start isEmpty. Operand 24244 states and 97318 transitions. [2022-01-18 03:10:06,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:10:06,820 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:10:06,820 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] [2022-01-18 03:10:06,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-01-18 03:10:06,820 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:10:06,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:10:06,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1886003599, now seen corresponding path program 81 times [2022-01-18 03:10:06,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:10:06,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825375327] [2022-01-18 03:10:06,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:10:06,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:10:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:10:07,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:10:07,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:10:07,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825375327] [2022-01-18 03:10:07,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825375327] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:10:07,510 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:10:07,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:10:07,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430448901] [2022-01-18 03:10:07,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:10:07,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:10:07,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:10:07,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:10:07,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:10:07,511 INFO L87 Difference]: Start difference. First operand 24244 states and 97318 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:09,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:10:09,511 INFO L93 Difference]: Finished difference Result 60400 states and 237038 transitions. [2022-01-18 03:10:09,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-18 03:10:09,512 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:10:09,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:10:09,714 INFO L225 Difference]: With dead ends: 60400 [2022-01-18 03:10:09,714 INFO L226 Difference]: Without dead ends: 59806 [2022-01-18 03:10:09,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=278, Invalid=592, Unknown=0, NotChecked=0, Total=870 [2022-01-18 03:10:09,714 INFO L933 BasicCegarLoop]: 367 mSDtfsCounter, 760 mSDsluCounter, 3139 mSDsCounter, 0 mSdLazyCounter, 1289 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 3001 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:10:09,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [760 Valid, 3001 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1289 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:10:09,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59806 states. [2022-01-18 03:10:10,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59806 to 24325. [2022-01-18 03:10:10,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24325 states, 24324 states have (on average 4.012991284328235) internal successors, (97612), 24324 states have internal predecessors, (97612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:10,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24325 states to 24325 states and 97612 transitions. [2022-01-18 03:10:10,512 INFO L78 Accepts]: Start accepts. Automaton has 24325 states and 97612 transitions. Word has length 117 [2022-01-18 03:10:10,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:10:10,512 INFO L470 AbstractCegarLoop]: Abstraction has 24325 states and 97612 transitions. [2022-01-18 03:10:10,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:10,512 INFO L276 IsEmpty]: Start isEmpty. Operand 24325 states and 97612 transitions. [2022-01-18 03:10:10,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:10:10,762 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:10:10,762 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] [2022-01-18 03:10:10,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-01-18 03:10:10,762 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:10:10,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:10:10,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1076096081, now seen corresponding path program 82 times [2022-01-18 03:10:10,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:10:10,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666834826] [2022-01-18 03:10:10,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:10:10,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:10:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:10:11,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:10:11,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:10:11,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666834826] [2022-01-18 03:10:11,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666834826] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:10:11,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:10:11,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:10:11,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852885495] [2022-01-18 03:10:11,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:10:11,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:10:11,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:10:11,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:10:11,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:10:11,458 INFO L87 Difference]: Start difference. First operand 24325 states and 97612 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:13,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:10:13,228 INFO L93 Difference]: Finished difference Result 60793 states and 238448 transitions. [2022-01-18 03:10:13,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-18 03:10:13,228 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:10:13,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:10:13,439 INFO L225 Difference]: With dead ends: 60793 [2022-01-18 03:10:13,440 INFO L226 Difference]: Without dead ends: 60166 [2022-01-18 03:10:13,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=298, Invalid=632, Unknown=0, NotChecked=0, Total=930 [2022-01-18 03:10:13,440 INFO L933 BasicCegarLoop]: 378 mSDtfsCounter, 750 mSDsluCounter, 3157 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 3025 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:10:13,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [750 Valid, 3025 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1282 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:10:13,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60166 states. [2022-01-18 03:10:14,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60166 to 24280. [2022-01-18 03:10:14,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24280 states, 24279 states have (on average 4.014374562379011) internal successors, (97465), 24279 states have internal predecessors, (97465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:14,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24280 states to 24280 states and 97465 transitions. [2022-01-18 03:10:14,411 INFO L78 Accepts]: Start accepts. Automaton has 24280 states and 97465 transitions. Word has length 117 [2022-01-18 03:10:14,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:10:14,411 INFO L470 AbstractCegarLoop]: Abstraction has 24280 states and 97465 transitions. [2022-01-18 03:10:14,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:14,411 INFO L276 IsEmpty]: Start isEmpty. Operand 24280 states and 97465 transitions. [2022-01-18 03:10:14,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:10:14,456 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:10:14,456 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:10:14,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-01-18 03:10:14,456 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:10:14,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:10:14,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1267301369, now seen corresponding path program 83 times [2022-01-18 03:10:14,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:10:14,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147288847] [2022-01-18 03:10:14,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:10:14,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:10:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:10:15,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:10:15,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:10:15,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147288847] [2022-01-18 03:10:15,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147288847] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:10:15,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:10:15,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:10:15,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431172217] [2022-01-18 03:10:15,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:10:15,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:10:15,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:10:15,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:10:15,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:10:15,111 INFO L87 Difference]: Start difference. First operand 24280 states and 97465 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:16,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:10:16,933 INFO L93 Difference]: Finished difference Result 60409 states and 236810 transitions. [2022-01-18 03:10:16,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 03:10:16,934 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:10:16,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:10:17,128 INFO L225 Difference]: With dead ends: 60409 [2022-01-18 03:10:17,129 INFO L226 Difference]: Without dead ends: 59815 [2022-01-18 03:10:17,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=259, Invalid=553, Unknown=0, NotChecked=0, Total=812 [2022-01-18 03:10:17,129 INFO L933 BasicCegarLoop]: 350 mSDtfsCounter, 895 mSDsluCounter, 2932 mSDsCounter, 0 mSdLazyCounter, 1247 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 2795 SdHoareTripleChecker+Invalid, 1288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:10:17,129 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [895 Valid, 2795 Invalid, 1288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1247 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:10:17,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59815 states. [2022-01-18 03:10:18,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59815 to 24316. [2022-01-18 03:10:18,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24316 states, 24315 states have (on average 4.01299609294674) internal successors, (97576), 24315 states have internal predecessors, (97576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:18,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24316 states to 24316 states and 97576 transitions. [2022-01-18 03:10:18,172 INFO L78 Accepts]: Start accepts. Automaton has 24316 states and 97576 transitions. Word has length 117 [2022-01-18 03:10:18,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:10:18,173 INFO L470 AbstractCegarLoop]: Abstraction has 24316 states and 97576 transitions. [2022-01-18 03:10:18,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:18,173 INFO L276 IsEmpty]: Start isEmpty. Operand 24316 states and 97576 transitions. [2022-01-18 03:10:18,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:10:18,222 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:10:18,222 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:10:18,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-01-18 03:10:18,222 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:10:18,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:10:18,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1967654833, now seen corresponding path program 84 times [2022-01-18 03:10:18,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:10:18,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582304201] [2022-01-18 03:10:18,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:10:18,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:10:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:10:18,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:10:18,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:10:18,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582304201] [2022-01-18 03:10:18,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582304201] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:10:18,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:10:18,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:10:18,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674813533] [2022-01-18 03:10:18,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:10:18,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:10:18,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:10:18,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:10:18,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:10:18,843 INFO L87 Difference]: Start difference. First operand 24316 states and 97576 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:20,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:10:20,848 INFO L93 Difference]: Finished difference Result 59920 states and 235217 transitions. [2022-01-18 03:10:20,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 03:10:20,849 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:10:20,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:10:21,097 INFO L225 Difference]: With dead ends: 59920 [2022-01-18 03:10:21,097 INFO L226 Difference]: Without dead ends: 59329 [2022-01-18 03:10:21,097 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=259, Invalid=553, Unknown=0, NotChecked=0, Total=812 [2022-01-18 03:10:21,098 INFO L933 BasicCegarLoop]: 350 mSDtfsCounter, 669 mSDsluCounter, 3230 mSDsCounter, 0 mSdLazyCounter, 1366 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 3052 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:10:21,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [669 Valid, 3052 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1366 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:10:21,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59329 states. [2022-01-18 03:10:21,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59329 to 24280. [2022-01-18 03:10:21,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24280 states, 24279 states have (on average 4.013880308085176) internal successors, (97453), 24279 states have internal predecessors, (97453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:22,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24280 states to 24280 states and 97453 transitions. [2022-01-18 03:10:22,266 INFO L78 Accepts]: Start accepts. Automaton has 24280 states and 97453 transitions. Word has length 117 [2022-01-18 03:10:22,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:10:22,266 INFO L470 AbstractCegarLoop]: Abstraction has 24280 states and 97453 transitions. [2022-01-18 03:10:22,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:22,267 INFO L276 IsEmpty]: Start isEmpty. Operand 24280 states and 97453 transitions. [2022-01-18 03:10:22,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:10:22,338 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:10:22,339 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:10:22,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-01-18 03:10:22,339 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:10:22,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:10:22,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1719476761, now seen corresponding path program 85 times [2022-01-18 03:10:22,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:10:22,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214877299] [2022-01-18 03:10:22,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:10:22,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:10:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:10:22,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:10:22,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:10:22,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214877299] [2022-01-18 03:10:22,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214877299] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:10:22,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:10:22,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:10:22,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349363451] [2022-01-18 03:10:22,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:10:22,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:10:22,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:10:22,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:10:22,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:10:22,952 INFO L87 Difference]: Start difference. First operand 24280 states and 97453 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:24,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:10:24,659 INFO L93 Difference]: Finished difference Result 60397 states and 236768 transitions. [2022-01-18 03:10:24,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 03:10:24,660 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:10:24,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:10:24,853 INFO L225 Difference]: With dead ends: 60397 [2022-01-18 03:10:24,853 INFO L226 Difference]: Without dead ends: 59815 [2022-01-18 03:10:24,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=259, Invalid=553, Unknown=0, NotChecked=0, Total=812 [2022-01-18 03:10:24,854 INFO L933 BasicCegarLoop]: 350 mSDtfsCounter, 810 mSDsluCounter, 3219 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 810 SdHoareTripleChecker+Valid, 3040 SdHoareTripleChecker+Invalid, 1402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:10:24,854 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [810 Valid, 3040 Invalid, 1402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1360 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:10:25,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59815 states. [2022-01-18 03:10:25,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59815 to 24316. [2022-01-18 03:10:25,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24316 states, 24315 states have (on average 4.012502570429776) internal successors, (97564), 24315 states have internal predecessors, (97564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:25,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24316 states to 24316 states and 97564 transitions. [2022-01-18 03:10:25,920 INFO L78 Accepts]: Start accepts. Automaton has 24316 states and 97564 transitions. Word has length 117 [2022-01-18 03:10:25,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:10:25,920 INFO L470 AbstractCegarLoop]: Abstraction has 24316 states and 97564 transitions. [2022-01-18 03:10:25,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:25,920 INFO L276 IsEmpty]: Start isEmpty. Operand 24316 states and 97564 transitions. [2022-01-18 03:10:25,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:10:25,969 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:10:25,969 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] [2022-01-18 03:10:25,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-01-18 03:10:25,969 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:10:25,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:10:25,970 INFO L85 PathProgramCache]: Analyzing trace with hash 36950639, now seen corresponding path program 86 times [2022-01-18 03:10:25,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:10:25,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975684665] [2022-01-18 03:10:25,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:10:25,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:10:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:10:26,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:10:26,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:10:26,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975684665] [2022-01-18 03:10:26,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975684665] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:10:26,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:10:26,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:10:26,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615939974] [2022-01-18 03:10:26,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:10:26,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:10:26,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:10:26,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:10:26,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:10:26,622 INFO L87 Difference]: Start difference. First operand 24316 states and 97564 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:28,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:10:28,412 INFO L93 Difference]: Finished difference Result 59920 states and 235205 transitions. [2022-01-18 03:10:28,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 03:10:28,412 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:10:28,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:10:28,608 INFO L225 Difference]: With dead ends: 59920 [2022-01-18 03:10:28,608 INFO L226 Difference]: Without dead ends: 59317 [2022-01-18 03:10:28,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=259, Invalid=553, Unknown=0, NotChecked=0, Total=812 [2022-01-18 03:10:28,609 INFO L933 BasicCegarLoop]: 350 mSDtfsCounter, 786 mSDsluCounter, 2925 mSDsCounter, 0 mSdLazyCounter, 1239 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 786 SdHoareTripleChecker+Valid, 2793 SdHoareTripleChecker+Invalid, 1280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 03:10:28,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [786 Valid, 2793 Invalid, 1280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1239 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 03:10:28,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59317 states. [2022-01-18 03:10:29,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59317 to 24268. [2022-01-18 03:10:29,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24268 states, 24267 states have (on average 4.014175629455639) internal successors, (97412), 24267 states have internal predecessors, (97412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:29,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24268 states to 24268 states and 97412 transitions. [2022-01-18 03:10:29,636 INFO L78 Accepts]: Start accepts. Automaton has 24268 states and 97412 transitions. Word has length 117 [2022-01-18 03:10:29,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:10:29,637 INFO L470 AbstractCegarLoop]: Abstraction has 24268 states and 97412 transitions. [2022-01-18 03:10:29,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:29,637 INFO L276 IsEmpty]: Start isEmpty. Operand 24268 states and 97412 transitions. [2022-01-18 03:10:29,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:10:29,684 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:10:29,684 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:10:29,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-01-18 03:10:29,684 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:10:29,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:10:29,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1089919097, now seen corresponding path program 87 times [2022-01-18 03:10:29,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:10:29,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243439227] [2022-01-18 03:10:29,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:10:29,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:10:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:10:30,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:10:30,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:10:30,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243439227] [2022-01-18 03:10:30,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243439227] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:10:30,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:10:30,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:10:30,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178708302] [2022-01-18 03:10:30,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:10:30,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:10:30,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:10:30,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:10:30,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:10:30,346 INFO L87 Difference]: Start difference. First operand 24268 states and 97412 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:32,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:10:32,306 INFO L93 Difference]: Finished difference Result 60052 states and 235752 transitions. [2022-01-18 03:10:32,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 03:10:32,307 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:10:32,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:10:32,508 INFO L225 Difference]: With dead ends: 60052 [2022-01-18 03:10:32,509 INFO L226 Difference]: Without dead ends: 59458 [2022-01-18 03:10:32,509 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=261, Invalid=551, Unknown=0, NotChecked=0, Total=812 [2022-01-18 03:10:32,509 INFO L933 BasicCegarLoop]: 350 mSDtfsCounter, 805 mSDsluCounter, 2868 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 805 SdHoareTripleChecker+Valid, 2747 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:10:32,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [805 Valid, 2747 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:10:32,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59458 states. [2022-01-18 03:10:33,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59458 to 24376. [2022-01-18 03:10:33,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24376 states, 24375 states have (on average 4.013005128205128) internal successors, (97817), 24375 states have internal predecessors, (97817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:33,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24376 states to 24376 states and 97817 transitions. [2022-01-18 03:10:33,311 INFO L78 Accepts]: Start accepts. Automaton has 24376 states and 97817 transitions. Word has length 117 [2022-01-18 03:10:33,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:10:33,311 INFO L470 AbstractCegarLoop]: Abstraction has 24376 states and 97817 transitions. [2022-01-18 03:10:33,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:33,311 INFO L276 IsEmpty]: Start isEmpty. Operand 24376 states and 97817 transitions. [2022-01-18 03:10:33,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:10:33,563 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:10:33,563 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] [2022-01-18 03:10:33,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-01-18 03:10:33,563 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:10:33,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:10:33,563 INFO L85 PathProgramCache]: Analyzing trace with hash -29908003, now seen corresponding path program 88 times [2022-01-18 03:10:33,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:10:33,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745332910] [2022-01-18 03:10:33,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:10:33,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:10:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:10:34,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:10:34,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:10:34,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745332910] [2022-01-18 03:10:34,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745332910] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:10:34,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:10:34,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:10:34,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783228839] [2022-01-18 03:10:34,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:10:34,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:10:34,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:10:34,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:10:34,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:10:34,178 INFO L87 Difference]: Start difference. First operand 24376 states and 97817 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:35,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:10:35,873 INFO L93 Difference]: Finished difference Result 60013 states and 235596 transitions. [2022-01-18 03:10:35,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 03:10:35,873 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:10:35,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:10:36,082 INFO L225 Difference]: With dead ends: 60013 [2022-01-18 03:10:36,082 INFO L226 Difference]: Without dead ends: 59422 [2022-01-18 03:10:36,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=261, Invalid=551, Unknown=0, NotChecked=0, Total=812 [2022-01-18 03:10:36,083 INFO L933 BasicCegarLoop]: 351 mSDtfsCounter, 771 mSDsluCounter, 2913 mSDsCounter, 0 mSdLazyCounter, 1232 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 771 SdHoareTripleChecker+Valid, 2775 SdHoareTripleChecker+Invalid, 1272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:10:36,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [771 Valid, 2775 Invalid, 1272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1232 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:10:36,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59422 states. [2022-01-18 03:10:36,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59422 to 24340. [2022-01-18 03:10:37,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24340 states, 24339 states have (on average 4.012901105222071) internal successors, (97670), 24339 states have internal predecessors, (97670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:37,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24340 states to 24340 states and 97670 transitions. [2022-01-18 03:10:37,091 INFO L78 Accepts]: Start accepts. Automaton has 24340 states and 97670 transitions. Word has length 117 [2022-01-18 03:10:37,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:10:37,091 INFO L470 AbstractCegarLoop]: Abstraction has 24340 states and 97670 transitions. [2022-01-18 03:10:37,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:37,091 INFO L276 IsEmpty]: Start isEmpty. Operand 24340 states and 97670 transitions. [2022-01-18 03:10:37,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:10:37,139 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:10:37,139 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:10:37,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-01-18 03:10:37,139 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:10:37,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:10:37,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1760110767, now seen corresponding path program 89 times [2022-01-18 03:10:37,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:10:37,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538505643] [2022-01-18 03:10:37,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:10:37,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:10:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:10:37,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:10:37,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:10:37,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538505643] [2022-01-18 03:10:37,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538505643] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:10:37,869 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:10:37,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:10:37,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986355263] [2022-01-18 03:10:37,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:10:37,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:10:37,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:10:37,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:10:37,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:10:37,870 INFO L87 Difference]: Start difference. First operand 24340 states and 97670 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:39,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:10:39,727 INFO L93 Difference]: Finished difference Result 59635 states and 234417 transitions. [2022-01-18 03:10:39,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 03:10:39,728 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:10:39,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:10:39,919 INFO L225 Difference]: With dead ends: 59635 [2022-01-18 03:10:39,920 INFO L226 Difference]: Without dead ends: 58792 [2022-01-18 03:10:39,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=263, Invalid=549, Unknown=0, NotChecked=0, Total=812 [2022-01-18 03:10:39,920 INFO L933 BasicCegarLoop]: 351 mSDtfsCounter, 751 mSDsluCounter, 2955 mSDsCounter, 0 mSdLazyCounter, 1246 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 751 SdHoareTripleChecker+Valid, 2811 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 03:10:39,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [751 Valid, 2811 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1246 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 03:10:40,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58792 states. [2022-01-18 03:10:40,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58792 to 24268. [2022-01-18 03:10:40,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24268 states, 24267 states have (on average 4.013186632051758) internal successors, (97388), 24267 states have internal predecessors, (97388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:40,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24268 states to 24268 states and 97388 transitions. [2022-01-18 03:10:40,964 INFO L78 Accepts]: Start accepts. Automaton has 24268 states and 97388 transitions. Word has length 117 [2022-01-18 03:10:40,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:10:40,965 INFO L470 AbstractCegarLoop]: Abstraction has 24268 states and 97388 transitions. [2022-01-18 03:10:40,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:40,965 INFO L276 IsEmpty]: Start isEmpty. Operand 24268 states and 97388 transitions. [2022-01-18 03:10:41,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:10:41,010 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:10:41,010 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:10:41,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-01-18 03:10:41,010 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:10:41,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:10:41,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1375483783, now seen corresponding path program 90 times [2022-01-18 03:10:41,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:10:41,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634401476] [2022-01-18 03:10:41,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:10:41,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:10:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:10:41,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:10:41,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:10:41,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634401476] [2022-01-18 03:10:41,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634401476] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:10:41,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:10:41,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:10:41,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537922953] [2022-01-18 03:10:41,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:10:41,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:10:41,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:10:41,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:10:41,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:10:41,616 INFO L87 Difference]: Start difference. First operand 24268 states and 97388 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:43,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:10:43,627 INFO L93 Difference]: Finished difference Result 59428 states and 233595 transitions. [2022-01-18 03:10:43,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-01-18 03:10:43,627 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:10:43,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:10:43,860 INFO L225 Difference]: With dead ends: 59428 [2022-01-18 03:10:43,860 INFO L226 Difference]: Without dead ends: 58846 [2022-01-18 03:10:43,860 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=303, Invalid=627, Unknown=0, NotChecked=0, Total=930 [2022-01-18 03:10:43,860 INFO L933 BasicCegarLoop]: 374 mSDtfsCounter, 736 mSDsluCounter, 2963 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 736 SdHoareTripleChecker+Valid, 2849 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:10:43,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [736 Valid, 2849 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1212 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:10:43,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58846 states. [2022-01-18 03:10:44,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58846 to 24376. [2022-01-18 03:10:44,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24376 states, 24375 states have (on average 4.012020512820513) internal successors, (97793), 24375 states have internal predecessors, (97793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:45,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24376 states to 24376 states and 97793 transitions. [2022-01-18 03:10:45,015 INFO L78 Accepts]: Start accepts. Automaton has 24376 states and 97793 transitions. Word has length 117 [2022-01-18 03:10:45,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:10:45,015 INFO L470 AbstractCegarLoop]: Abstraction has 24376 states and 97793 transitions. [2022-01-18 03:10:45,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:45,016 INFO L276 IsEmpty]: Start isEmpty. Operand 24376 states and 97793 transitions. [2022-01-18 03:10:45,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:10:45,085 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:10:45,085 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:10:45,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-01-18 03:10:45,085 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:10:45,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:10:45,086 INFO L85 PathProgramCache]: Analyzing trace with hash -307042339, now seen corresponding path program 91 times [2022-01-18 03:10:45,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:10:45,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071230277] [2022-01-18 03:10:45,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:10:45,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:10:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:10:45,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:10:45,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:10:45,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071230277] [2022-01-18 03:10:45,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071230277] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:10:45,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:10:45,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:10:45,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349657180] [2022-01-18 03:10:45,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:10:45,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:10:45,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:10:45,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:10:45,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:10:45,787 INFO L87 Difference]: Start difference. First operand 24376 states and 97793 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:47,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:10:47,516 INFO L93 Difference]: Finished difference Result 58996 states and 231984 transitions. [2022-01-18 03:10:47,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-18 03:10:47,517 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:10:47,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:10:47,707 INFO L225 Difference]: With dead ends: 58996 [2022-01-18 03:10:47,708 INFO L226 Difference]: Without dead ends: 58405 [2022-01-18 03:10:47,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=283, Invalid=587, Unknown=0, NotChecked=0, Total=870 [2022-01-18 03:10:47,708 INFO L933 BasicCegarLoop]: 362 mSDtfsCounter, 730 mSDsluCounter, 3233 mSDsCounter, 0 mSdLazyCounter, 1387 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 3050 SdHoareTripleChecker+Invalid, 1428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:10:47,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [730 Valid, 3050 Invalid, 1428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1387 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:10:48,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58405 states. [2022-01-18 03:10:48,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58405 to 24340. [2022-01-18 03:10:48,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24340 states, 24339 states have (on average 4.011915033485352) internal successors, (97646), 24339 states have internal predecessors, (97646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:48,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24340 states to 24340 states and 97646 transitions. [2022-01-18 03:10:48,773 INFO L78 Accepts]: Start accepts. Automaton has 24340 states and 97646 transitions. Word has length 117 [2022-01-18 03:10:48,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:10:48,774 INFO L470 AbstractCegarLoop]: Abstraction has 24340 states and 97646 transitions. [2022-01-18 03:10:48,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:48,774 INFO L276 IsEmpty]: Start isEmpty. Operand 24340 states and 97646 transitions. [2022-01-18 03:10:48,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:10:48,821 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:10:48,821 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] [2022-01-18 03:10:48,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-01-18 03:10:48,821 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:10:48,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:10:48,822 INFO L85 PathProgramCache]: Analyzing trace with hash -521629041, now seen corresponding path program 92 times [2022-01-18 03:10:48,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:10:48,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348936973] [2022-01-18 03:10:48,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:10:48,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:10:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:10:49,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:10:49,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:10:49,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348936973] [2022-01-18 03:10:49,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348936973] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:10:49,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:10:49,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:10:49,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641793362] [2022-01-18 03:10:49,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:10:49,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:10:49,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:10:49,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:10:49,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:10:49,421 INFO L87 Difference]: Start difference. First operand 24340 states and 97646 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:51,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:10:51,347 INFO L93 Difference]: Finished difference Result 58618 states and 230805 transitions. [2022-01-18 03:10:51,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-18 03:10:51,347 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:10:51,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:10:51,536 INFO L225 Difference]: With dead ends: 58618 [2022-01-18 03:10:51,536 INFO L226 Difference]: Without dead ends: 57751 [2022-01-18 03:10:51,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=285, Invalid=585, Unknown=0, NotChecked=0, Total=870 [2022-01-18 03:10:51,536 INFO L933 BasicCegarLoop]: 362 mSDtfsCounter, 651 mSDsluCounter, 3140 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 2965 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:10:51,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [651 Valid, 2965 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:10:51,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57751 states. [2022-01-18 03:10:52,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57751 to 24244. [2022-01-18 03:10:52,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24244 states, 24243 states have (on average 4.013282184548117) internal successors, (97294), 24243 states have internal predecessors, (97294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:52,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24244 states to 24244 states and 97294 transitions. [2022-01-18 03:10:52,562 INFO L78 Accepts]: Start accepts. Automaton has 24244 states and 97294 transitions. Word has length 117 [2022-01-18 03:10:52,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:10:52,562 INFO L470 AbstractCegarLoop]: Abstraction has 24244 states and 97294 transitions. [2022-01-18 03:10:52,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:52,562 INFO L276 IsEmpty]: Start isEmpty. Operand 24244 states and 97294 transitions. [2022-01-18 03:10:52,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:10:52,608 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:10:52,608 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] [2022-01-18 03:10:52,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-01-18 03:10:52,608 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:10:52,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:10:52,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1045290865, now seen corresponding path program 93 times [2022-01-18 03:10:52,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:10:52,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832453965] [2022-01-18 03:10:52,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:10:52,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:10:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:10:53,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:10:53,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:10:53,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832453965] [2022-01-18 03:10:53,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832453965] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:10:53,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:10:53,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:10:53,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842666297] [2022-01-18 03:10:53,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:10:53,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:10:53,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:10:53,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:10:53,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:10:53,223 INFO L87 Difference]: Start difference. First operand 24244 states and 97294 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:55,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:10:55,062 INFO L93 Difference]: Finished difference Result 57337 states and 225959 transitions. [2022-01-18 03:10:55,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:10:55,062 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:10:55,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:10:55,281 INFO L225 Difference]: With dead ends: 57337 [2022-01-18 03:10:55,281 INFO L226 Difference]: Without dead ends: 56302 [2022-01-18 03:10:55,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=243, Invalid=513, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:10:55,282 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 621 mSDsluCounter, 2946 mSDsCounter, 0 mSdLazyCounter, 1268 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 2799 SdHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:10:55,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [621 Valid, 2799 Invalid, 1304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1268 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:10:55,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56302 states. [2022-01-18 03:10:55,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56302 to 24568. [2022-01-18 03:10:55,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24568 states, 24567 states have (on average 4.009809907599625) internal successors, (98509), 24567 states have internal predecessors, (98509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:56,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24568 states to 24568 states and 98509 transitions. [2022-01-18 03:10:56,026 INFO L78 Accepts]: Start accepts. Automaton has 24568 states and 98509 transitions. Word has length 117 [2022-01-18 03:10:56,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:10:56,026 INFO L470 AbstractCegarLoop]: Abstraction has 24568 states and 98509 transitions. [2022-01-18 03:10:56,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:56,026 INFO L276 IsEmpty]: Start isEmpty. Operand 24568 states and 98509 transitions. [2022-01-18 03:10:56,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:10:56,073 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:10:56,073 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:10:56,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-01-18 03:10:56,073 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:10:56,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:10:56,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1000018873, now seen corresponding path program 94 times [2022-01-18 03:10:56,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:10:56,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098942009] [2022-01-18 03:10:56,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:10:56,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:10:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:10:56,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:10:56,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:10:56,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098942009] [2022-01-18 03:10:56,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098942009] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:10:56,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:10:56,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:10:56,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492798424] [2022-01-18 03:10:56,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:10:56,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:10:56,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:10:56,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:10:56,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:10:56,954 INFO L87 Difference]: Start difference. First operand 24568 states and 98509 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:58,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:10:58,413 INFO L93 Difference]: Finished difference Result 57490 states and 226265 transitions. [2022-01-18 03:10:58,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:10:58,414 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:10:58,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:10:58,607 INFO L225 Difference]: With dead ends: 57490 [2022-01-18 03:10:58,607 INFO L226 Difference]: Without dead ends: 56896 [2022-01-18 03:10:58,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=243, Invalid=513, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:10:58,608 INFO L933 BasicCegarLoop]: 344 mSDtfsCounter, 744 mSDsluCounter, 2815 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 2695 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:10:58,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [744 Valid, 2695 Invalid, 1201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:10:58,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56896 states. [2022-01-18 03:10:59,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56896 to 24604. [2022-01-18 03:10:59,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24604 states, 24603 states have (on average 4.008454253546316) internal successors, (98620), 24603 states have internal predecessors, (98620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:59,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24604 states to 24604 states and 98620 transitions. [2022-01-18 03:10:59,601 INFO L78 Accepts]: Start accepts. Automaton has 24604 states and 98620 transitions. Word has length 117 [2022-01-18 03:10:59,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:10:59,602 INFO L470 AbstractCegarLoop]: Abstraction has 24604 states and 98620 transitions. [2022-01-18 03:10:59,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:10:59,602 INFO L276 IsEmpty]: Start isEmpty. Operand 24604 states and 98620 transitions. [2022-01-18 03:10:59,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:10:59,652 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:10:59,653 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:10:59,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-01-18 03:10:59,653 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:10:59,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:10:59,653 INFO L85 PathProgramCache]: Analyzing trace with hash 2060029967, now seen corresponding path program 95 times [2022-01-18 03:10:59,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:10:59,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32454719] [2022-01-18 03:10:59,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:10:59,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:10:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:11:00,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:11:00,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:11:00,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32454719] [2022-01-18 03:11:00,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32454719] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:11:00,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:11:00,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:11:00,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874480814] [2022-01-18 03:11:00,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:11:00,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:11:00,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:11:00,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:11:00,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:11:00,310 INFO L87 Difference]: Start difference. First operand 24604 states and 98620 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:01,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:11:01,949 INFO L93 Difference]: Finished difference Result 56893 states and 224267 transitions. [2022-01-18 03:11:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:11:01,949 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:11:01,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:11:02,151 INFO L225 Difference]: With dead ends: 56893 [2022-01-18 03:11:02,152 INFO L226 Difference]: Without dead ends: 56194 [2022-01-18 03:11:02,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=243, Invalid=513, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:11:02,152 INFO L933 BasicCegarLoop]: 344 mSDtfsCounter, 666 mSDsluCounter, 2704 mSDsCounter, 0 mSdLazyCounter, 1124 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 2598 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 03:11:02,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [666 Valid, 2598 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1124 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 03:11:02,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56194 states. [2022-01-18 03:11:02,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56194 to 24460. [2022-01-18 03:11:02,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24460 states, 24459 states have (on average 4.009485261049103) internal successors, (98068), 24459 states have internal predecessors, (98068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:03,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24460 states to 24460 states and 98068 transitions. [2022-01-18 03:11:03,303 INFO L78 Accepts]: Start accepts. Automaton has 24460 states and 98068 transitions. Word has length 117 [2022-01-18 03:11:03,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:11:03,303 INFO L470 AbstractCegarLoop]: Abstraction has 24460 states and 98068 transitions. [2022-01-18 03:11:03,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:03,303 INFO L276 IsEmpty]: Start isEmpty. Operand 24460 states and 98068 transitions. [2022-01-18 03:11:03,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:11:03,350 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:11:03,350 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:11:03,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-01-18 03:11:03,350 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:11:03,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:11:03,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1872376457, now seen corresponding path program 96 times [2022-01-18 03:11:03,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:11:03,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977502195] [2022-01-18 03:11:03,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:11:03,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:11:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:11:03,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:11:03,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:11:03,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977502195] [2022-01-18 03:11:03,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977502195] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:11:03,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:11:03,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:11:03,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015363881] [2022-01-18 03:11:03,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:11:03,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:11:03,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:11:03,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:11:03,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:11:03,944 INFO L87 Difference]: Start difference. First operand 24460 states and 98068 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:05,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:11:05,459 INFO L93 Difference]: Finished difference Result 56929 states and 224414 transitions. [2022-01-18 03:11:05,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:11:05,460 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:11:05,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:11:05,652 INFO L225 Difference]: With dead ends: 56929 [2022-01-18 03:11:05,653 INFO L226 Difference]: Without dead ends: 56335 [2022-01-18 03:11:05,653 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=245, Invalid=511, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:11:05,653 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 665 mSDsluCounter, 2805 mSDsCounter, 0 mSdLazyCounter, 1184 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 2676 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:11:05,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [665 Valid, 2676 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1184 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:11:06,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56335 states. [2022-01-18 03:11:06,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56335 to 24568. [2022-01-18 03:11:06,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24568 states, 24567 states have (on average 4.0083445272113) internal successors, (98473), 24567 states have internal predecessors, (98473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:06,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24568 states to 24568 states and 98473 transitions. [2022-01-18 03:11:06,690 INFO L78 Accepts]: Start accepts. Automaton has 24568 states and 98473 transitions. Word has length 117 [2022-01-18 03:11:06,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:11:06,691 INFO L470 AbstractCegarLoop]: Abstraction has 24568 states and 98473 transitions. [2022-01-18 03:11:06,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:06,691 INFO L276 IsEmpty]: Start isEmpty. Operand 24568 states and 98473 transitions. [2022-01-18 03:11:06,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:11:06,737 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:11:06,737 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:11:06,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-01-18 03:11:06,737 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:11:06,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:11:06,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1362579745, now seen corresponding path program 97 times [2022-01-18 03:11:06,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:11:06,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892061170] [2022-01-18 03:11:06,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:11:06,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:11:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:11:07,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:11:07,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:11:07,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892061170] [2022-01-18 03:11:07,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892061170] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:11:07,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:11:07,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:11:07,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761143034] [2022-01-18 03:11:07,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:11:07,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:11:07,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:11:07,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:11:07,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:11:07,411 INFO L87 Difference]: Start difference. First operand 24568 states and 98473 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:09,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:11:09,154 INFO L93 Difference]: Finished difference Result 56890 states and 224258 transitions. [2022-01-18 03:11:09,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:11:09,155 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:11:09,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:11:09,336 INFO L225 Difference]: With dead ends: 56890 [2022-01-18 03:11:09,337 INFO L226 Difference]: Without dead ends: 56299 [2022-01-18 03:11:09,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=245, Invalid=511, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:11:09,337 INFO L933 BasicCegarLoop]: 343 mSDtfsCounter, 616 mSDsluCounter, 3195 mSDsCounter, 0 mSdLazyCounter, 1363 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 3004 SdHoareTripleChecker+Invalid, 1400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:11:09,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [616 Valid, 3004 Invalid, 1400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1363 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:11:09,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56299 states. [2022-01-18 03:11:10,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56299 to 24532. [2022-01-18 03:11:10,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24532 states, 24531 states have (on average 4.008234478822714) internal successors, (98326), 24531 states have internal predecessors, (98326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:10,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24532 states to 24532 states and 98326 transitions. [2022-01-18 03:11:10,335 INFO L78 Accepts]: Start accepts. Automaton has 24532 states and 98326 transitions. Word has length 117 [2022-01-18 03:11:10,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:11:10,335 INFO L470 AbstractCegarLoop]: Abstraction has 24532 states and 98326 transitions. [2022-01-18 03:11:10,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:10,335 INFO L276 IsEmpty]: Start isEmpty. Operand 24532 states and 98326 transitions. [2022-01-18 03:11:10,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:11:10,382 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:11:10,383 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:11:10,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-01-18 03:11:10,383 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:11:10,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:11:10,383 INFO L85 PathProgramCache]: Analyzing trace with hash 427439025, now seen corresponding path program 98 times [2022-01-18 03:11:10,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:11:10,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961698411] [2022-01-18 03:11:10,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:11:10,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:11:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:11:11,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:11:11,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:11:11,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961698411] [2022-01-18 03:11:11,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961698411] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:11:11,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:11:11,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:11:11,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595423985] [2022-01-18 03:11:11,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:11:11,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:11:11,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:11:11,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:11:11,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:11:11,011 INFO L87 Difference]: Start difference. First operand 24532 states and 98326 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:12,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:11:12,847 INFO L93 Difference]: Finished difference Result 56296 states and 222269 transitions. [2022-01-18 03:11:12,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:11:12,847 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:11:12,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:11:13,066 INFO L225 Difference]: With dead ends: 56296 [2022-01-18 03:11:13,066 INFO L226 Difference]: Without dead ends: 55165 [2022-01-18 03:11:13,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=247, Invalid=509, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:11:13,066 INFO L933 BasicCegarLoop]: 343 mSDtfsCounter, 626 mSDsluCounter, 2583 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 626 SdHoareTripleChecker+Valid, 2478 SdHoareTripleChecker+Invalid, 1154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:11:13,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [626 Valid, 2478 Invalid, 1154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:11:13,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55165 states. [2022-01-18 03:11:13,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55165 to 24172. [2022-01-18 03:11:13,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24172 states, 24171 states have (on average 4.011584129742253) internal successors, (96964), 24171 states have internal predecessors, (96964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:13,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24172 states to 24172 states and 96964 transitions. [2022-01-18 03:11:13,815 INFO L78 Accepts]: Start accepts. Automaton has 24172 states and 96964 transitions. Word has length 117 [2022-01-18 03:11:13,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:11:13,816 INFO L470 AbstractCegarLoop]: Abstraction has 24172 states and 96964 transitions. [2022-01-18 03:11:13,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:13,816 INFO L276 IsEmpty]: Start isEmpty. Operand 24172 states and 96964 transitions. [2022-01-18 03:11:13,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:11:13,861 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:11:13,861 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:11:13,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-01-18 03:11:13,861 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:11:13,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:11:13,862 INFO L85 PathProgramCache]: Analyzing trace with hash 62850121, now seen corresponding path program 99 times [2022-01-18 03:11:13,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:11:13,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012754309] [2022-01-18 03:11:13,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:11:13,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:11:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:11:14,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:11:14,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:11:14,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012754309] [2022-01-18 03:11:14,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012754309] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:11:14,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:11:14,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:11:14,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563383069] [2022-01-18 03:11:14,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:11:14,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:11:14,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:11:14,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:11:14,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:11:14,677 INFO L87 Difference]: Start difference. First operand 24172 states and 96964 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:16,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:11:16,252 INFO L93 Difference]: Finished difference Result 57262 states and 225435 transitions. [2022-01-18 03:11:16,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:11:16,252 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:11:16,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:11:16,436 INFO L225 Difference]: With dead ends: 57262 [2022-01-18 03:11:16,436 INFO L226 Difference]: Without dead ends: 56668 [2022-01-18 03:11:16,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:11:16,437 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 763 mSDsluCounter, 2876 mSDsCounter, 0 mSdLazyCounter, 1194 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 763 SdHoareTripleChecker+Valid, 2735 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:11:16,437 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [763 Valid, 2735 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1194 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:11:16,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56668 states. [2022-01-18 03:11:17,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56668 to 24484. [2022-01-18 03:11:17,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24484 states, 24483 states have (on average 4.0113548176285585) internal successors, (98210), 24483 states have internal predecessors, (98210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:17,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24484 states to 24484 states and 98210 transitions. [2022-01-18 03:11:17,466 INFO L78 Accepts]: Start accepts. Automaton has 24484 states and 98210 transitions. Word has length 117 [2022-01-18 03:11:17,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:11:17,466 INFO L470 AbstractCegarLoop]: Abstraction has 24484 states and 98210 transitions. [2022-01-18 03:11:17,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:17,466 INFO L276 IsEmpty]: Start isEmpty. Operand 24484 states and 98210 transitions. [2022-01-18 03:11:17,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:11:17,513 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:11:17,513 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:11:17,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-01-18 03:11:17,514 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:11:17,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:11:17,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1395717737, now seen corresponding path program 100 times [2022-01-18 03:11:17,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:11:17,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412355706] [2022-01-18 03:11:17,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:11:17,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:11:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:11:18,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:11:18,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:11:18,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412355706] [2022-01-18 03:11:18,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412355706] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:11:18,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:11:18,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:11:18,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675881570] [2022-01-18 03:11:18,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:11:18,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:11:18,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:11:18,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:11:18,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:11:18,169 INFO L87 Difference]: Start difference. First operand 24484 states and 98210 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:19,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:11:19,902 INFO L93 Difference]: Finished difference Result 57250 states and 225360 transitions. [2022-01-18 03:11:19,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:11:19,903 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:11:19,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:11:20,097 INFO L225 Difference]: With dead ends: 57250 [2022-01-18 03:11:20,097 INFO L226 Difference]: Without dead ends: 56623 [2022-01-18 03:11:20,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:11:20,098 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 696 mSDsluCounter, 2888 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 2743 SdHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:11:20,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [696 Valid, 2743 Invalid, 1227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1190 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:11:20,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56623 states. [2022-01-18 03:11:20,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56623 to 24439. [2022-01-18 03:11:20,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24439 states, 24438 states have (on average 4.01137572632785) internal successors, (98030), 24438 states have internal predecessors, (98030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:21,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24439 states to 24439 states and 98030 transitions. [2022-01-18 03:11:21,214 INFO L78 Accepts]: Start accepts. Automaton has 24439 states and 98030 transitions. Word has length 117 [2022-01-18 03:11:21,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:11:21,214 INFO L470 AbstractCegarLoop]: Abstraction has 24439 states and 98030 transitions. [2022-01-18 03:11:21,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:21,214 INFO L276 IsEmpty]: Start isEmpty. Operand 24439 states and 98030 transitions. [2022-01-18 03:11:21,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:11:21,260 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:11:21,260 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:11:21,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-01-18 03:11:21,260 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:11:21,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:11:21,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1810500967, now seen corresponding path program 101 times [2022-01-18 03:11:21,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:11:21,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946842877] [2022-01-18 03:11:21,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:11:21,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:11:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:11:21,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:11:21,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:11:21,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946842877] [2022-01-18 03:11:21,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946842877] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:11:21,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:11:21,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:11:21,947 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549542506] [2022-01-18 03:11:21,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:11:21,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:11:21,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:11:21,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:11:21,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:11:21,948 INFO L87 Difference]: Start difference. First operand 24439 states and 98030 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:23,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:11:23,556 INFO L93 Difference]: Finished difference Result 57610 states and 226665 transitions. [2022-01-18 03:11:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:11:23,556 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:11:23,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:11:24,078 INFO L225 Difference]: With dead ends: 57610 [2022-01-18 03:11:24,078 INFO L226 Difference]: Without dead ends: 56488 [2022-01-18 03:11:24,078 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:11:24,079 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 637 mSDsluCounter, 3060 mSDsCounter, 0 mSdLazyCounter, 1313 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 2881 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:11:24,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [637 Valid, 2881 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1313 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:11:24,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56488 states. [2022-01-18 03:11:24,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56488 to 24304. [2022-01-18 03:11:24,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24304 states, 24303 states have (on average 4.011809241657408) internal successors, (97499), 24303 states have internal predecessors, (97499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:24,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24304 states to 24304 states and 97499 transitions. [2022-01-18 03:11:24,819 INFO L78 Accepts]: Start accepts. Automaton has 24304 states and 97499 transitions. Word has length 117 [2022-01-18 03:11:24,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:11:24,819 INFO L470 AbstractCegarLoop]: Abstraction has 24304 states and 97499 transitions. [2022-01-18 03:11:24,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:24,819 INFO L276 IsEmpty]: Start isEmpty. Operand 24304 states and 97499 transitions. [2022-01-18 03:11:24,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:11:24,867 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:11:24,867 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:11:24,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-01-18 03:11:24,867 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:11:24,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:11:24,868 INFO L85 PathProgramCache]: Analyzing trace with hash 574597727, now seen corresponding path program 102 times [2022-01-18 03:11:24,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:11:24,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148374864] [2022-01-18 03:11:24,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:11:24,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:11:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:11:25,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:11:25,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:11:25,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148374864] [2022-01-18 03:11:25,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148374864] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:11:25,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:11:25,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:11:25,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762418542] [2022-01-18 03:11:25,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:11:25,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:11:25,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:11:25,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:11:25,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:11:25,754 INFO L87 Difference]: Start difference. First operand 24304 states and 97499 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:27,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:11:27,279 INFO L93 Difference]: Finished difference Result 58501 states and 229505 transitions. [2022-01-18 03:11:27,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:11:27,280 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:11:27,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:11:27,470 INFO L225 Difference]: With dead ends: 58501 [2022-01-18 03:11:27,470 INFO L226 Difference]: Without dead ends: 57907 [2022-01-18 03:11:27,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:11:27,470 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 880 mSDsluCounter, 2912 mSDsCounter, 0 mSdLazyCounter, 1240 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 2761 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:11:27,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [880 Valid, 2761 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1240 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:11:27,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57907 states. [2022-01-18 03:11:28,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57907 to 24361. [2022-01-18 03:11:28,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24361 states, 24360 states have (on average 4.0101395730706075) internal successors, (97687), 24360 states have internal predecessors, (97687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:28,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24361 states to 24361 states and 97687 transitions. [2022-01-18 03:11:28,512 INFO L78 Accepts]: Start accepts. Automaton has 24361 states and 97687 transitions. Word has length 117 [2022-01-18 03:11:28,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:11:28,512 INFO L470 AbstractCegarLoop]: Abstraction has 24361 states and 97687 transitions. [2022-01-18 03:11:28,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:28,512 INFO L276 IsEmpty]: Start isEmpty. Operand 24361 states and 97687 transitions. [2022-01-18 03:11:28,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:11:28,558 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:11:28,558 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:11:28,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-01-18 03:11:28,558 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:11:28,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:11:28,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1907465343, now seen corresponding path program 103 times [2022-01-18 03:11:28,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:11:28,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923324410] [2022-01-18 03:11:28,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:11:28,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:11:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:11:29,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:11:29,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:11:29,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923324410] [2022-01-18 03:11:29,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923324410] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:11:29,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:11:29,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:11:29,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033100127] [2022-01-18 03:11:29,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:11:29,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:11:29,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:11:29,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:11:29,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:11:29,222 INFO L87 Difference]: Start difference. First operand 24361 states and 97687 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:31,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:11:31,082 INFO L93 Difference]: Finished difference Result 58489 states and 229430 transitions. [2022-01-18 03:11:31,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:11:31,083 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:11:31,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:11:31,295 INFO L225 Difference]: With dead ends: 58489 [2022-01-18 03:11:31,295 INFO L226 Difference]: Without dead ends: 57862 [2022-01-18 03:11:31,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:11:31,296 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 749 mSDsluCounter, 3088 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 2914 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:11:31,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [749 Valid, 2914 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1291 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:11:31,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57862 states. [2022-01-18 03:11:31,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57862 to 24316. [2022-01-18 03:11:32,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24316 states, 24315 states have (on average 4.011515525395846) internal successors, (97540), 24315 states have internal predecessors, (97540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:32,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24316 states to 24316 states and 97540 transitions. [2022-01-18 03:11:32,439 INFO L78 Accepts]: Start accepts. Automaton has 24316 states and 97540 transitions. Word has length 117 [2022-01-18 03:11:32,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:11:32,439 INFO L470 AbstractCegarLoop]: Abstraction has 24316 states and 97540 transitions. [2022-01-18 03:11:32,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:32,440 INFO L276 IsEmpty]: Start isEmpty. Operand 24316 states and 97540 transitions. [2022-01-18 03:11:32,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:11:32,500 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:11:32,500 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:11:32,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-01-18 03:11:32,501 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:11:32,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:11:32,501 INFO L85 PathProgramCache]: Analyzing trace with hash -44104503, now seen corresponding path program 104 times [2022-01-18 03:11:32,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:11:32,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032031648] [2022-01-18 03:11:32,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:11:32,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:11:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:11:33,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:11:33,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:11:33,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032031648] [2022-01-18 03:11:33,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032031648] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:11:33,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:11:33,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:11:33,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128190034] [2022-01-18 03:11:33,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:11:33,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:11:33,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:11:33,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:11:33,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:11:33,102 INFO L87 Difference]: Start difference. First operand 24316 states and 97540 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:34,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:11:34,656 INFO L93 Difference]: Finished difference Result 57724 states and 226856 transitions. [2022-01-18 03:11:34,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:11:34,656 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:11:34,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:11:34,852 INFO L225 Difference]: With dead ends: 57724 [2022-01-18 03:11:34,852 INFO L226 Difference]: Without dead ends: 57130 [2022-01-18 03:11:34,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:11:34,853 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 744 mSDsluCounter, 2986 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 744 SdHoareTripleChecker+Valid, 2818 SdHoareTripleChecker+Invalid, 1321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:11:34,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [744 Valid, 2818 Invalid, 1321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:11:34,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57130 states. [2022-01-18 03:11:35,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57130 to 24352. [2022-01-18 03:11:35,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24352 states, 24351 states have (on average 4.01014332060285) internal successors, (97651), 24351 states have internal predecessors, (97651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:35,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24352 states to 24352 states and 97651 transitions. [2022-01-18 03:11:35,901 INFO L78 Accepts]: Start accepts. Automaton has 24352 states and 97651 transitions. Word has length 117 [2022-01-18 03:11:35,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:11:35,901 INFO L470 AbstractCegarLoop]: Abstraction has 24352 states and 97651 transitions. [2022-01-18 03:11:35,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:35,901 INFO L276 IsEmpty]: Start isEmpty. Operand 24352 states and 97651 transitions. [2022-01-18 03:11:35,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:11:35,948 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:11:35,948 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] [2022-01-18 03:11:35,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-01-18 03:11:35,948 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:11:35,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:11:35,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1015906591, now seen corresponding path program 105 times [2022-01-18 03:11:35,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:11:35,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918563775] [2022-01-18 03:11:35,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:11:35,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:11:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:11:36,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:11:36,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:11:36,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918563775] [2022-01-18 03:11:36,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918563775] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:11:36,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:11:36,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:11:36,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902585606] [2022-01-18 03:11:36,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:11:36,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:11:36,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:11:36,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:11:36,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:11:36,635 INFO L87 Difference]: Start difference. First operand 24352 states and 97651 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:38,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:11:38,334 INFO L93 Difference]: Finished difference Result 57235 states and 225263 transitions. [2022-01-18 03:11:38,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:11:38,334 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:11:38,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:11:38,516 INFO L225 Difference]: With dead ends: 57235 [2022-01-18 03:11:38,516 INFO L226 Difference]: Without dead ends: 56644 [2022-01-18 03:11:38,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:11:38,517 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 736 mSDsluCounter, 2833 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 736 SdHoareTripleChecker+Valid, 2695 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:11:38,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [736 Valid, 2695 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:11:38,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56644 states. [2022-01-18 03:11:39,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56644 to 24316. [2022-01-18 03:11:39,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24316 states, 24315 states have (on average 4.011022002878882) internal successors, (97528), 24315 states have internal predecessors, (97528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:39,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24316 states to 24316 states and 97528 transitions. [2022-01-18 03:11:39,560 INFO L78 Accepts]: Start accepts. Automaton has 24316 states and 97528 transitions. Word has length 117 [2022-01-18 03:11:39,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:11:39,560 INFO L470 AbstractCegarLoop]: Abstraction has 24316 states and 97528 transitions. [2022-01-18 03:11:39,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:39,560 INFO L276 IsEmpty]: Start isEmpty. Operand 24316 states and 97528 transitions. [2022-01-18 03:11:39,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:11:39,610 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:11:39,610 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:11:39,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-01-18 03:11:39,611 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:11:39,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:11:39,611 INFO L85 PathProgramCache]: Analyzing trace with hash 408070889, now seen corresponding path program 106 times [2022-01-18 03:11:39,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:11:39,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434302611] [2022-01-18 03:11:39,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:11:39,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:11:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:11:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:11:40,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:11:40,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434302611] [2022-01-18 03:11:40,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434302611] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:11:40,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:11:40,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:11:40,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436536054] [2022-01-18 03:11:40,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:11:40,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:11:40,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:11:40,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:11:40,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:11:40,301 INFO L87 Difference]: Start difference. First operand 24316 states and 97528 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:41,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:11:41,817 INFO L93 Difference]: Finished difference Result 57820 states and 227219 transitions. [2022-01-18 03:11:41,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:11:41,817 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:11:41,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:11:42,377 INFO L225 Difference]: With dead ends: 57820 [2022-01-18 03:11:42,378 INFO L226 Difference]: Without dead ends: 57238 [2022-01-18 03:11:42,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:11:42,378 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 697 mSDsluCounter, 2997 mSDsCounter, 0 mSdLazyCounter, 1286 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 697 SdHoareTripleChecker+Valid, 2826 SdHoareTripleChecker+Invalid, 1324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:11:42,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [697 Valid, 2826 Invalid, 1324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1286 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:11:42,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57238 states. [2022-01-18 03:11:43,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57238 to 24352. [2022-01-18 03:11:43,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24352 states, 24351 states have (on average 4.009650527699068) internal successors, (97639), 24351 states have internal predecessors, (97639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:43,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24352 states to 24352 states and 97639 transitions. [2022-01-18 03:11:43,108 INFO L78 Accepts]: Start accepts. Automaton has 24352 states and 97639 transitions. Word has length 117 [2022-01-18 03:11:43,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:11:43,109 INFO L470 AbstractCegarLoop]: Abstraction has 24352 states and 97639 transitions. [2022-01-18 03:11:43,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:43,109 INFO L276 IsEmpty]: Start isEmpty. Operand 24352 states and 97639 transitions. [2022-01-18 03:11:43,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:11:43,154 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:11:43,154 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:11:43,154 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-01-18 03:11:43,154 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:11:43,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:11:43,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1274455233, now seen corresponding path program 107 times [2022-01-18 03:11:43,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:11:43,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288664722] [2022-01-18 03:11:43,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:11:43,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:11:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:11:44,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:11:44,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:11:44,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288664722] [2022-01-18 03:11:44,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288664722] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:11:44,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:11:44,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:11:44,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216231711] [2022-01-18 03:11:44,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:11:44,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:11:44,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:11:44,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:11:44,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:11:44,197 INFO L87 Difference]: Start difference. First operand 24352 states and 97639 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:45,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:11:45,780 INFO L93 Difference]: Finished difference Result 57235 states and 225251 transitions. [2022-01-18 03:11:45,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:11:45,780 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:11:45,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:11:45,965 INFO L225 Difference]: With dead ends: 57235 [2022-01-18 03:11:45,965 INFO L226 Difference]: Without dead ends: 56632 [2022-01-18 03:11:45,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:11:45,966 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 609 mSDsluCounter, 3046 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 2868 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:11:45,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [609 Valid, 2868 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1309 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:11:46,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56632 states. [2022-01-18 03:11:46,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56632 to 24304. [2022-01-18 03:11:46,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24304 states, 24303 states have (on average 4.011315475455705) internal successors, (97487), 24303 states have internal predecessors, (97487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:46,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24304 states to 24304 states and 97487 transitions. [2022-01-18 03:11:46,971 INFO L78 Accepts]: Start accepts. Automaton has 24304 states and 97487 transitions. Word has length 117 [2022-01-18 03:11:46,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:11:46,971 INFO L470 AbstractCegarLoop]: Abstraction has 24304 states and 97487 transitions. [2022-01-18 03:11:46,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:46,971 INFO L276 IsEmpty]: Start isEmpty. Operand 24304 states and 97487 transitions. [2022-01-18 03:11:47,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:11:47,017 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:11:47,017 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:11:47,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-01-18 03:11:47,017 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:11:47,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:11:47,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1721054147, now seen corresponding path program 108 times [2022-01-18 03:11:47,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:11:47,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482346898] [2022-01-18 03:11:47,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:11:47,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:11:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:11:47,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:11:47,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:11:47,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482346898] [2022-01-18 03:11:47,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482346898] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:11:47,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:11:47,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:11:47,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134845995] [2022-01-18 03:11:47,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:11:47,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:11:47,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:11:47,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:11:47,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:11:47,666 INFO L87 Difference]: Start difference. First operand 24304 states and 97487 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:49,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:11:49,438 INFO L93 Difference]: Finished difference Result 58312 states and 229047 transitions. [2022-01-18 03:11:49,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:11:49,438 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:11:49,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:11:49,640 INFO L225 Difference]: With dead ends: 58312 [2022-01-18 03:11:49,640 INFO L226 Difference]: Without dead ends: 57325 [2022-01-18 03:11:49,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:11:49,641 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 868 mSDsluCounter, 2820 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 868 SdHoareTripleChecker+Valid, 2677 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:11:49,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [868 Valid, 2677 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:11:49,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57325 states. [2022-01-18 03:11:50,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57325 to 24412. [2022-01-18 03:11:50,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24412 states, 24411 states have (on average 4.007209864405391) internal successors, (97820), 24411 states have internal predecessors, (97820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:50,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24412 states to 24412 states and 97820 transitions. [2022-01-18 03:11:50,806 INFO L78 Accepts]: Start accepts. Automaton has 24412 states and 97820 transitions. Word has length 117 [2022-01-18 03:11:50,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:11:50,806 INFO L470 AbstractCegarLoop]: Abstraction has 24412 states and 97820 transitions. [2022-01-18 03:11:50,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:50,806 INFO L276 IsEmpty]: Start isEmpty. Operand 24412 states and 97820 transitions. [2022-01-18 03:11:50,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:11:50,862 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:11:50,862 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] [2022-01-18 03:11:50,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-01-18 03:11:50,862 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:11:50,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:11:50,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1204947815, now seen corresponding path program 109 times [2022-01-18 03:11:50,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:11:50,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978124082] [2022-01-18 03:11:50,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:11:50,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:11:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:11:51,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:11:51,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:11:51,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978124082] [2022-01-18 03:11:51,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978124082] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:11:51,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:11:51,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:11:51,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004277693] [2022-01-18 03:11:51,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:11:51,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:11:51,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:11:51,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:11:51,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:11:51,513 INFO L87 Difference]: Start difference. First operand 24412 states and 97820 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:53,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:11:53,091 INFO L93 Difference]: Finished difference Result 57916 states and 227511 transitions. [2022-01-18 03:11:53,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:11:53,091 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:11:53,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:11:53,276 INFO L225 Difference]: With dead ends: 57916 [2022-01-18 03:11:53,277 INFO L226 Difference]: Without dead ends: 57334 [2022-01-18 03:11:53,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:11:53,277 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 711 mSDsluCounter, 3224 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 3025 SdHoareTripleChecker+Invalid, 1382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:11:53,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [711 Valid, 3025 Invalid, 1382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:11:53,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57334 states. [2022-01-18 03:11:54,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57334 to 24448. [2022-01-18 03:11:54,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24448 states, 24447 states have (on average 4.005849388473023) internal successors, (97931), 24447 states have internal predecessors, (97931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:54,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24448 states to 24448 states and 97931 transitions. [2022-01-18 03:11:54,314 INFO L78 Accepts]: Start accepts. Automaton has 24448 states and 97931 transitions. Word has length 117 [2022-01-18 03:11:54,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:11:54,314 INFO L470 AbstractCegarLoop]: Abstraction has 24448 states and 97931 transitions. [2022-01-18 03:11:54,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:54,314 INFO L276 IsEmpty]: Start isEmpty. Operand 24448 states and 97931 transitions. [2022-01-18 03:11:54,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:11:54,360 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:11:54,360 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] [2022-01-18 03:11:54,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-01-18 03:11:54,360 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:11:54,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:11:54,361 INFO L85 PathProgramCache]: Analyzing trace with hash -477578307, now seen corresponding path program 110 times [2022-01-18 03:11:54,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:11:54,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678447958] [2022-01-18 03:11:54,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:11:54,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:11:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:11:54,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:11:54,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:11:54,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678447958] [2022-01-18 03:11:54,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678447958] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:11:54,911 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:11:54,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:11:54,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534221003] [2022-01-18 03:11:54,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:11:54,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:11:54,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:11:54,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:11:54,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:11:54,911 INFO L87 Difference]: Start difference. First operand 24448 states and 97931 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:56,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:11:56,651 INFO L93 Difference]: Finished difference Result 57331 states and 225543 transitions. [2022-01-18 03:11:56,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:11:56,652 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:11:56,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:11:56,848 INFO L225 Difference]: With dead ends: 57331 [2022-01-18 03:11:56,848 INFO L226 Difference]: Without dead ends: 56596 [2022-01-18 03:11:56,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:11:56,848 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 662 mSDsluCounter, 2921 mSDsCounter, 0 mSdLazyCounter, 1232 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 2765 SdHoareTripleChecker+Invalid, 1268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:11:56,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [662 Valid, 2765 Invalid, 1268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1232 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:11:56,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56596 states. [2022-01-18 03:11:57,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56596 to 24268. [2022-01-18 03:11:57,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24268 states, 24267 states have (on average 4.0112086372439935) internal successors, (97340), 24267 states have internal predecessors, (97340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:57,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24268 states to 24268 states and 97340 transitions. [2022-01-18 03:11:57,875 INFO L78 Accepts]: Start accepts. Automaton has 24268 states and 97340 transitions. Word has length 117 [2022-01-18 03:11:57,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:11:57,876 INFO L470 AbstractCegarLoop]: Abstraction has 24268 states and 97340 transitions. [2022-01-18 03:11:57,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:11:57,876 INFO L276 IsEmpty]: Start isEmpty. Operand 24268 states and 97340 transitions. [2022-01-18 03:11:57,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:11:57,921 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:11:57,921 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:11:57,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-01-18 03:11:57,922 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:11:57,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:11:57,922 INFO L85 PathProgramCache]: Analyzing trace with hash -432630929, now seen corresponding path program 111 times [2022-01-18 03:11:57,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:11:57,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242011234] [2022-01-18 03:11:57,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:11:57,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:11:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:11:58,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:11:58,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:11:58,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242011234] [2022-01-18 03:11:58,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242011234] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:11:58,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:11:58,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:11:58,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185062149] [2022-01-18 03:11:58,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:11:58,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:11:58,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:11:58,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:11:58,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:11:58,560 INFO L87 Difference]: Start difference. First operand 24268 states and 97340 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:00,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:12:00,540 INFO L93 Difference]: Finished difference Result 57928 states and 227613 transitions. [2022-01-18 03:12:00,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:12:00,541 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:12:00,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:12:00,776 INFO L225 Difference]: With dead ends: 57928 [2022-01-18 03:12:00,776 INFO L226 Difference]: Without dead ends: 57334 [2022-01-18 03:12:00,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=220, Invalid=482, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:12:00,777 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 768 mSDsluCounter, 2966 mSDsCounter, 0 mSdLazyCounter, 1250 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 2806 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:12:00,777 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [768 Valid, 2806 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1250 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:12:00,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57334 states. [2022-01-18 03:12:01,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57334 to 24349. [2022-01-18 03:12:01,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24349 states, 24348 states have (on average 4.0099392147198945) internal successors, (97634), 24348 states have internal predecessors, (97634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:01,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24349 states to 24349 states and 97634 transitions. [2022-01-18 03:12:01,531 INFO L78 Accepts]: Start accepts. Automaton has 24349 states and 97634 transitions. Word has length 117 [2022-01-18 03:12:01,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:12:01,531 INFO L470 AbstractCegarLoop]: Abstraction has 24349 states and 97634 transitions. [2022-01-18 03:12:01,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:01,531 INFO L276 IsEmpty]: Start isEmpty. Operand 24349 states and 97634 transitions. [2022-01-18 03:12:01,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:12:01,579 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:12:01,579 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] [2022-01-18 03:12:01,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-01-18 03:12:01,580 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:12:01,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:12:01,580 INFO L85 PathProgramCache]: Analyzing trace with hash 900236687, now seen corresponding path program 112 times [2022-01-18 03:12:01,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:12:01,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547744856] [2022-01-18 03:12:01,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:12:01,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:12:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:12:02,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:12:02,508 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:12:02,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547744856] [2022-01-18 03:12:02,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547744856] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:12:02,508 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:12:02,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:12:02,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372339215] [2022-01-18 03:12:02,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:12:02,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:12:02,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:12:02,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:12:02,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:12:02,509 INFO L87 Difference]: Start difference. First operand 24349 states and 97634 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:04,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:12:04,037 INFO L93 Difference]: Finished difference Result 57916 states and 227538 transitions. [2022-01-18 03:12:04,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:12:04,037 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:12:04,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:12:04,224 INFO L225 Difference]: With dead ends: 57916 [2022-01-18 03:12:04,224 INFO L226 Difference]: Without dead ends: 57289 [2022-01-18 03:12:04,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=220, Invalid=482, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:12:04,225 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 925 mSDsluCounter, 2709 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 925 SdHoareTripleChecker+Valid, 2592 SdHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:12:04,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [925 Valid, 2592 Invalid, 1162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1125 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:12:04,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57289 states. [2022-01-18 03:12:05,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57289 to 24304. [2022-01-18 03:12:05,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24304 states, 24303 states have (on average 4.011315475455705) internal successors, (97487), 24303 states have internal predecessors, (97487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:05,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24304 states to 24304 states and 97487 transitions. [2022-01-18 03:12:05,270 INFO L78 Accepts]: Start accepts. Automaton has 24304 states and 97487 transitions. Word has length 117 [2022-01-18 03:12:05,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:12:05,270 INFO L470 AbstractCegarLoop]: Abstraction has 24304 states and 97487 transitions. [2022-01-18 03:12:05,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:05,270 INFO L276 IsEmpty]: Start isEmpty. Operand 24304 states and 97487 transitions. [2022-01-18 03:12:05,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:12:05,316 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:12:05,316 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] [2022-01-18 03:12:05,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-01-18 03:12:05,316 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:12:05,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:12:05,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1051333159, now seen corresponding path program 113 times [2022-01-18 03:12:05,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:12:05,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86461273] [2022-01-18 03:12:05,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:12:05,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:12:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:12:05,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:12:05,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:12:05,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86461273] [2022-01-18 03:12:05,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86461273] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:12:05,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:12:05,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:12:05,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545819945] [2022-01-18 03:12:05,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:12:05,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:12:05,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:12:05,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:12:05,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:12:05,915 INFO L87 Difference]: Start difference. First operand 24304 states and 97487 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:07,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:12:07,631 INFO L93 Difference]: Finished difference Result 58477 states and 229410 transitions. [2022-01-18 03:12:07,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:12:07,631 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:12:07,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:12:07,826 INFO L225 Difference]: With dead ends: 58477 [2022-01-18 03:12:07,827 INFO L226 Difference]: Without dead ends: 57883 [2022-01-18 03:12:07,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=220, Invalid=482, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:12:07,827 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 853 mSDsluCounter, 2918 mSDsCounter, 0 mSdLazyCounter, 1229 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 2765 SdHoareTripleChecker+Invalid, 1267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:12:07,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [853 Valid, 2765 Invalid, 1267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1229 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:12:07,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57883 states. [2022-01-18 03:12:08,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57883 to 24340. [2022-01-18 03:12:08,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24340 states, 24339 states have (on average 4.009942890011915) internal successors, (97598), 24339 states have internal predecessors, (97598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:08,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24340 states to 24340 states and 97598 transitions. [2022-01-18 03:12:08,947 INFO L78 Accepts]: Start accepts. Automaton has 24340 states and 97598 transitions. Word has length 117 [2022-01-18 03:12:08,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:12:08,947 INFO L470 AbstractCegarLoop]: Abstraction has 24340 states and 97598 transitions. [2022-01-18 03:12:08,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:08,947 INFO L276 IsEmpty]: Start isEmpty. Operand 24340 states and 97598 transitions. [2022-01-18 03:12:08,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:12:08,993 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:12:08,993 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] [2022-01-18 03:12:08,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-01-18 03:12:08,993 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:12:08,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:12:08,993 INFO L85 PathProgramCache]: Analyzing trace with hash 8677935, now seen corresponding path program 114 times [2022-01-18 03:12:08,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:12:08,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595603798] [2022-01-18 03:12:08,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:12:08,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:12:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:12:09,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:12:09,651 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:12:09,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595603798] [2022-01-18 03:12:09,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595603798] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:12:09,651 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:12:09,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:12:09,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346826440] [2022-01-18 03:12:09,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:12:09,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:12:09,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:12:09,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:12:09,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:12:09,652 INFO L87 Difference]: Start difference. First operand 24340 states and 97598 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:11,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:12:11,131 INFO L93 Difference]: Finished difference Result 57988 states and 227817 transitions. [2022-01-18 03:12:11,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:12:11,132 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:12:11,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:12:11,651 INFO L225 Difference]: With dead ends: 57988 [2022-01-18 03:12:11,651 INFO L226 Difference]: Without dead ends: 57397 [2022-01-18 03:12:11,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=220, Invalid=482, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:12:11,652 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 804 mSDsluCounter, 2783 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 2649 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:12:11,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [804 Valid, 2649 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1169 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:12:11,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57397 states. [2022-01-18 03:12:12,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57397 to 24304. [2022-01-18 03:12:12,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24304 states, 24303 states have (on average 4.010821709254001) internal successors, (97475), 24303 states have internal predecessors, (97475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:12,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24304 states to 24304 states and 97475 transitions. [2022-01-18 03:12:12,400 INFO L78 Accepts]: Start accepts. Automaton has 24304 states and 97475 transitions. Word has length 117 [2022-01-18 03:12:12,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:12:12,400 INFO L470 AbstractCegarLoop]: Abstraction has 24304 states and 97475 transitions. [2022-01-18 03:12:12,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:12,400 INFO L276 IsEmpty]: Start isEmpty. Operand 24304 states and 97475 transitions. [2022-01-18 03:12:12,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:12:12,446 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:12:12,446 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] [2022-01-18 03:12:12,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-01-18 03:12:12,446 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:12:12,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:12:12,447 INFO L85 PathProgramCache]: Analyzing trace with hash -599157767, now seen corresponding path program 115 times [2022-01-18 03:12:12,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:12:12,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452428835] [2022-01-18 03:12:12,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:12:12,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:12:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:12:13,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:12:13,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:12:13,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452428835] [2022-01-18 03:12:13,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452428835] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:12:13,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:12:13,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:12:13,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117572549] [2022-01-18 03:12:13,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:12:13,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:12:13,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:12:13,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:12:13,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:12:13,127 INFO L87 Difference]: Start difference. First operand 24304 states and 97475 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:15,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:12:15,009 INFO L93 Difference]: Finished difference Result 58465 states and 229368 transitions. [2022-01-18 03:12:15,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:12:15,010 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:12:15,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:12:15,197 INFO L225 Difference]: With dead ends: 58465 [2022-01-18 03:12:15,197 INFO L226 Difference]: Without dead ends: 57883 [2022-01-18 03:12:15,197 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=220, Invalid=482, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:12:15,197 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 745 mSDsluCounter, 3064 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 2885 SdHoareTripleChecker+Invalid, 1345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 03:12:15,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [745 Valid, 2885 Invalid, 1345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1306 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 03:12:15,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57883 states. [2022-01-18 03:12:16,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57883 to 24340. [2022-01-18 03:12:16,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24340 states, 24339 states have (on average 4.009449854143556) internal successors, (97586), 24339 states have internal predecessors, (97586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:16,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24340 states to 24340 states and 97586 transitions. [2022-01-18 03:12:16,244 INFO L78 Accepts]: Start accepts. Automaton has 24340 states and 97586 transitions. Word has length 117 [2022-01-18 03:12:16,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:12:16,244 INFO L470 AbstractCegarLoop]: Abstraction has 24340 states and 97586 transitions. [2022-01-18 03:12:16,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:16,244 INFO L276 IsEmpty]: Start isEmpty. Operand 24340 states and 97586 transitions. [2022-01-18 03:12:16,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:12:16,293 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:12:16,293 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:12:16,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-01-18 03:12:16,294 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:12:16,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:12:16,294 INFO L85 PathProgramCache]: Analyzing trace with hash 2013283407, now seen corresponding path program 116 times [2022-01-18 03:12:16,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:12:16,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155917117] [2022-01-18 03:12:16,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:12:16,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:12:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:12:16,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:12:16,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:12:16,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155917117] [2022-01-18 03:12:16,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155917117] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:12:16,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:12:16,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:12:16,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286009274] [2022-01-18 03:12:16,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:12:16,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:12:16,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:12:16,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:12:16,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:12:16,973 INFO L87 Difference]: Start difference. First operand 24340 states and 97586 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:18,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:12:18,922 INFO L93 Difference]: Finished difference Result 57988 states and 227805 transitions. [2022-01-18 03:12:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:12:18,923 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:12:18,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:12:19,141 INFO L225 Difference]: With dead ends: 57988 [2022-01-18 03:12:19,141 INFO L226 Difference]: Without dead ends: 57385 [2022-01-18 03:12:19,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=220, Invalid=482, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:12:19,142 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 845 mSDsluCounter, 2761 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 2625 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:12:19,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [845 Valid, 2625 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:12:19,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57385 states. [2022-01-18 03:12:19,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57385 to 24292. [2022-01-18 03:12:19,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24292 states, 24291 states have (on average 4.011115227862171) internal successors, (97434), 24291 states have internal predecessors, (97434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:19,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24292 states to 24292 states and 97434 transitions. [2022-01-18 03:12:19,910 INFO L78 Accepts]: Start accepts. Automaton has 24292 states and 97434 transitions. Word has length 117 [2022-01-18 03:12:19,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:12:19,910 INFO L470 AbstractCegarLoop]: Abstraction has 24292 states and 97434 transitions. [2022-01-18 03:12:19,910 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:19,910 INFO L276 IsEmpty]: Start isEmpty. Operand 24292 states and 97434 transitions. [2022-01-18 03:12:20,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:12:20,234 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:12:20,235 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:12:20,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-01-18 03:12:20,235 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:12:20,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:12:20,235 INFO L85 PathProgramCache]: Analyzing trace with hash 886413671, now seen corresponding path program 117 times [2022-01-18 03:12:20,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:12:20,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070799766] [2022-01-18 03:12:20,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:12:20,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:12:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:12:20,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:12:20,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:12:20,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070799766] [2022-01-18 03:12:20,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070799766] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:12:20,809 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:12:20,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:12:20,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252649960] [2022-01-18 03:12:20,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:12:20,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:12:20,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:12:20,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:12:20,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:12:20,810 INFO L87 Difference]: Start difference. First operand 24292 states and 97434 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:22,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:12:22,412 INFO L93 Difference]: Finished difference Result 57103 states and 224764 transitions. [2022-01-18 03:12:22,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:12:22,413 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:12:22,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:12:22,614 INFO L225 Difference]: With dead ends: 57103 [2022-01-18 03:12:22,614 INFO L226 Difference]: Without dead ends: 56509 [2022-01-18 03:12:22,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=222, Invalid=480, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:12:22,615 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 665 mSDsluCounter, 3141 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 2952 SdHoareTripleChecker+Invalid, 1345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:12:22,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [665 Valid, 2952 Invalid, 1345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1309 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:12:22,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56509 states. [2022-01-18 03:12:23,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56509 to 24400. [2022-01-18 03:12:23,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24400 states, 24399 states have (on average 4.00995942456658) internal successors, (97839), 24399 states have internal predecessors, (97839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:23,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24400 states to 24400 states and 97839 transitions. [2022-01-18 03:12:23,636 INFO L78 Accepts]: Start accepts. Automaton has 24400 states and 97839 transitions. Word has length 117 [2022-01-18 03:12:23,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:12:23,636 INFO L470 AbstractCegarLoop]: Abstraction has 24400 states and 97839 transitions. [2022-01-18 03:12:23,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:23,637 INFO L276 IsEmpty]: Start isEmpty. Operand 24400 states and 97839 transitions. [2022-01-18 03:12:23,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:12:23,682 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:12:23,682 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:12:23,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-01-18 03:12:23,682 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:12:23,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:12:23,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1946424765, now seen corresponding path program 118 times [2022-01-18 03:12:23,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:12:23,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525002047] [2022-01-18 03:12:23,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:12:23,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:12:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:12:24,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:12:24,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:12:24,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525002047] [2022-01-18 03:12:24,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525002047] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:12:24,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:12:24,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:12:24,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668000990] [2022-01-18 03:12:24,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:12:24,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:12:24,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:12:24,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:12:24,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:12:24,247 INFO L87 Difference]: Start difference. First operand 24400 states and 97839 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:25,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:12:25,947 INFO L93 Difference]: Finished difference Result 57064 states and 224608 transitions. [2022-01-18 03:12:25,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:12:25,948 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:12:25,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:12:26,144 INFO L225 Difference]: With dead ends: 57064 [2022-01-18 03:12:26,145 INFO L226 Difference]: Without dead ends: 56473 [2022-01-18 03:12:26,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=222, Invalid=480, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:12:26,145 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 760 mSDsluCounter, 2818 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 2664 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:12:26,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [760 Valid, 2664 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:12:26,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56473 states. [2022-01-18 03:12:27,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56473 to 24364. [2022-01-18 03:12:27,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24364 states, 24363 states have (on average 4.009851003570989) internal successors, (97692), 24363 states have internal predecessors, (97692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:27,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24364 states to 24364 states and 97692 transitions. [2022-01-18 03:12:27,247 INFO L78 Accepts]: Start accepts. Automaton has 24364 states and 97692 transitions. Word has length 117 [2022-01-18 03:12:27,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:12:27,247 INFO L470 AbstractCegarLoop]: Abstraction has 24364 states and 97692 transitions. [2022-01-18 03:12:27,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:27,248 INFO L276 IsEmpty]: Start isEmpty. Operand 24364 states and 97692 transitions. [2022-01-18 03:12:27,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:12:27,296 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:12:27,296 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:12:27,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-01-18 03:12:27,296 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:12:27,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:12:27,296 INFO L85 PathProgramCache]: Analyzing trace with hash -558523761, now seen corresponding path program 119 times [2022-01-18 03:12:27,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:12:27,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148607469] [2022-01-18 03:12:27,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:12:27,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:12:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:12:28,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:12:28,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:12:28,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148607469] [2022-01-18 03:12:28,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148607469] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:12:28,008 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:12:28,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:12:28,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167453148] [2022-01-18 03:12:28,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:12:28,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:12:28,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:12:28,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:12:28,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:12:28,009 INFO L87 Difference]: Start difference. First operand 24364 states and 97692 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:29,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:12:29,568 INFO L93 Difference]: Finished difference Result 56686 states and 223429 transitions. [2022-01-18 03:12:29,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:12:29,568 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:12:29,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:12:30,125 INFO L225 Difference]: With dead ends: 56686 [2022-01-18 03:12:30,125 INFO L226 Difference]: Without dead ends: 55843 [2022-01-18 03:12:30,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=224, Invalid=478, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:12:30,125 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 614 mSDsluCounter, 2864 mSDsCounter, 0 mSdLazyCounter, 1245 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 2699 SdHoareTripleChecker+Invalid, 1279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:12:30,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [614 Valid, 2699 Invalid, 1279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1245 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:12:30,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55843 states. [2022-01-18 03:12:30,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55843 to 24292. [2022-01-18 03:12:30,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24292 states, 24291 states have (on average 4.010127207607756) internal successors, (97410), 24291 states have internal predecessors, (97410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:30,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24292 states to 24292 states and 97410 transitions. [2022-01-18 03:12:30,860 INFO L78 Accepts]: Start accepts. Automaton has 24292 states and 97410 transitions. Word has length 117 [2022-01-18 03:12:30,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:12:30,860 INFO L470 AbstractCegarLoop]: Abstraction has 24292 states and 97410 transitions. [2022-01-18 03:12:30,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:30,860 INFO L276 IsEmpty]: Start isEmpty. Operand 24292 states and 97410 transitions. [2022-01-18 03:12:30,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:12:30,905 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:12:30,905 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:12:30,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-01-18 03:12:30,906 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:12:30,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:12:30,906 INFO L85 PathProgramCache]: Analyzing trace with hash -943150745, now seen corresponding path program 120 times [2022-01-18 03:12:30,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:12:30,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294934126] [2022-01-18 03:12:30,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:12:30,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:12:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:12:31,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:12:31,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:12:31,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294934126] [2022-01-18 03:12:31,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294934126] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:12:31,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:12:31,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:12:31,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591085833] [2022-01-18 03:12:31,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:12:31,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:12:31,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:12:31,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:12:31,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:12:31,525 INFO L87 Difference]: Start difference. First operand 24292 states and 97410 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:33,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:12:33,314 INFO L93 Difference]: Finished difference Result 57307 states and 225520 transitions. [2022-01-18 03:12:33,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:12:33,314 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:12:33,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:12:33,497 INFO L225 Difference]: With dead ends: 57307 [2022-01-18 03:12:33,497 INFO L226 Difference]: Without dead ends: 56725 [2022-01-18 03:12:33,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=224, Invalid=478, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:12:33,497 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 636 mSDsluCounter, 2834 mSDsCounter, 0 mSdLazyCounter, 1197 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 2688 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 03:12:33,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [636 Valid, 2688 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1197 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 03:12:33,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56725 states. [2022-01-18 03:12:34,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56725 to 24400. [2022-01-18 03:12:34,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24400 states, 24399 states have (on average 4.008975777695807) internal successors, (97815), 24399 states have internal predecessors, (97815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24400 states to 24400 states and 97815 transitions. [2022-01-18 03:12:34,513 INFO L78 Accepts]: Start accepts. Automaton has 24400 states and 97815 transitions. Word has length 117 [2022-01-18 03:12:34,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:12:34,514 INFO L470 AbstractCegarLoop]: Abstraction has 24400 states and 97815 transitions. [2022-01-18 03:12:34,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:34,514 INFO L276 IsEmpty]: Start isEmpty. Operand 24400 states and 97815 transitions. [2022-01-18 03:12:34,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:12:34,559 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:12:34,559 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:12:34,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-01-18 03:12:34,560 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:12:34,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:12:34,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1669290429, now seen corresponding path program 121 times [2022-01-18 03:12:34,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:12:34,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660525435] [2022-01-18 03:12:34,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:12:34,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:12:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:12:35,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:12:35,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:12:35,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660525435] [2022-01-18 03:12:35,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660525435] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:12:35,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:12:35,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:12:35,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249133559] [2022-01-18 03:12:35,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:12:35,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:12:35,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:12:35,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:12:35,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:12:35,196 INFO L87 Difference]: Start difference. First operand 24400 states and 97815 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:37,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:12:37,038 INFO L93 Difference]: Finished difference Result 57280 states and 225394 transitions. [2022-01-18 03:12:37,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:12:37,039 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:12:37,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:12:37,253 INFO L225 Difference]: With dead ends: 57280 [2022-01-18 03:12:37,253 INFO L226 Difference]: Without dead ends: 56689 [2022-01-18 03:12:37,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=224, Invalid=478, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:12:37,253 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 657 mSDsluCounter, 2852 mSDsCounter, 0 mSdLazyCounter, 1177 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 2707 SdHoareTripleChecker+Invalid, 1215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:12:37,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [657 Valid, 2707 Invalid, 1215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1177 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:12:37,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56689 states. [2022-01-18 03:12:37,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56689 to 24364. [2022-01-18 03:12:37,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24364 states, 24363 states have (on average 4.00886590321389) internal successors, (97668), 24363 states have internal predecessors, (97668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:38,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24364 states to 24364 states and 97668 transitions. [2022-01-18 03:12:38,019 INFO L78 Accepts]: Start accepts. Automaton has 24364 states and 97668 transitions. Word has length 117 [2022-01-18 03:12:38,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:12:38,020 INFO L470 AbstractCegarLoop]: Abstraction has 24364 states and 97668 transitions. [2022-01-18 03:12:38,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:38,020 INFO L276 IsEmpty]: Start isEmpty. Operand 24364 states and 97668 transitions. [2022-01-18 03:12:38,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:12:38,292 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:12:38,292 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:12:38,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-01-18 03:12:38,292 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:12:38,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:12:38,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1454703727, now seen corresponding path program 122 times [2022-01-18 03:12:38,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:12:38,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073506167] [2022-01-18 03:12:38,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:12:38,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:12:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:12:38,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:12:38,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:12:38,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073506167] [2022-01-18 03:12:38,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073506167] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:12:38,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:12:38,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:12:38,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479395622] [2022-01-18 03:12:38,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:12:38,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:12:38,952 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:12:38,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:12:38,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:12:38,952 INFO L87 Difference]: Start difference. First operand 24364 states and 97668 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:40,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:12:40,492 INFO L93 Difference]: Finished difference Result 56686 states and 223405 transitions. [2022-01-18 03:12:40,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:12:40,493 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:12:40,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:12:40,671 INFO L225 Difference]: With dead ends: 56686 [2022-01-18 03:12:40,672 INFO L226 Difference]: Without dead ends: 55819 [2022-01-18 03:12:40,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=226, Invalid=476, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:12:40,672 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 602 mSDsluCounter, 2626 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 2507 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:12:40,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [602 Valid, 2507 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1103 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:12:40,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55819 states. [2022-01-18 03:12:41,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55819 to 24268. [2022-01-18 03:12:41,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24268 states, 24267 states have (on average 4.010219639840112) internal successors, (97316), 24267 states have internal predecessors, (97316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:41,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24268 states to 24268 states and 97316 transitions. [2022-01-18 03:12:41,674 INFO L78 Accepts]: Start accepts. Automaton has 24268 states and 97316 transitions. Word has length 117 [2022-01-18 03:12:41,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:12:41,674 INFO L470 AbstractCegarLoop]: Abstraction has 24268 states and 97316 transitions. [2022-01-18 03:12:41,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:41,674 INFO L276 IsEmpty]: Start isEmpty. Operand 24268 states and 97316 transitions. [2022-01-18 03:12:41,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:12:41,719 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:12:41,719 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:12:41,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-01-18 03:12:41,719 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:12:41,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:12:41,720 INFO L85 PathProgramCache]: Analyzing trace with hash 500065423, now seen corresponding path program 123 times [2022-01-18 03:12:41,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:12:41,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028679977] [2022-01-18 03:12:41,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:12:41,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:12:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:12:42,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:12:42,507 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:12:42,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028679977] [2022-01-18 03:12:42,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028679977] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:12:42,507 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:12:42,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:12:42,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773509270] [2022-01-18 03:12:42,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:12:42,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:12:42,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:12:42,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:12:42,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:12:42,508 INFO L87 Difference]: Start difference. First operand 24268 states and 97316 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:44,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:12:44,155 INFO L93 Difference]: Finished difference Result 56185 states and 221523 transitions. [2022-01-18 03:12:44,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:12:44,155 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:12:44,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:12:44,345 INFO L225 Difference]: With dead ends: 56185 [2022-01-18 03:12:44,346 INFO L226 Difference]: Without dead ends: 55198 [2022-01-18 03:12:44,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=223, Invalid=479, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:12:44,346 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 628 mSDsluCounter, 2767 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 2633 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:12:44,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [628 Valid, 2633 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1165 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:12:44,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55198 states. [2022-01-18 03:12:45,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55198 to 24664. [2022-01-18 03:12:45,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24664 states, 24663 states have (on average 4.005554879779426) internal successors, (98789), 24663 states have internal predecessors, (98789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:45,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24664 states to 24664 states and 98789 transitions. [2022-01-18 03:12:45,445 INFO L78 Accepts]: Start accepts. Automaton has 24664 states and 98789 transitions. Word has length 117 [2022-01-18 03:12:45,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:12:45,445 INFO L470 AbstractCegarLoop]: Abstraction has 24664 states and 98789 transitions. [2022-01-18 03:12:45,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:45,446 INFO L276 IsEmpty]: Start isEmpty. Operand 24664 states and 98789 transitions. [2022-01-18 03:12:45,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:12:45,499 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:12:45,499 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:12:45,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-01-18 03:12:45,499 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:12:45,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:12:45,499 INFO L85 PathProgramCache]: Analyzing trace with hash -868899911, now seen corresponding path program 124 times [2022-01-18 03:12:45,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:12:45,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528293886] [2022-01-18 03:12:45,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:12:45,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:12:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:12:46,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:12:46,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:12:46,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528293886] [2022-01-18 03:12:46,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528293886] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:12:46,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:12:46,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:12:46,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009968973] [2022-01-18 03:12:46,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:12:46,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:12:46,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:12:46,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:12:46,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:12:46,137 INFO L87 Difference]: Start difference. First operand 24664 states and 98789 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:47,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:12:47,689 INFO L93 Difference]: Finished difference Result 56374 states and 221919 transitions. [2022-01-18 03:12:47,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:12:47,690 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:12:47,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:12:48,227 INFO L225 Difference]: With dead ends: 56374 [2022-01-18 03:12:48,227 INFO L226 Difference]: Without dead ends: 55792 [2022-01-18 03:12:48,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=223, Invalid=479, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:12:48,228 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 783 mSDsluCounter, 2723 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 2599 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:12:48,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [783 Valid, 2599 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1138 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:12:48,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55792 states. [2022-01-18 03:12:48,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55792 to 24700. [2022-01-18 03:12:48,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24700 states, 24699 states have (on average 4.004210696789344) internal successors, (98900), 24699 states have internal predecessors, (98900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:48,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24700 states to 24700 states and 98900 transitions. [2022-01-18 03:12:48,959 INFO L78 Accepts]: Start accepts. Automaton has 24700 states and 98900 transitions. Word has length 117 [2022-01-18 03:12:48,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:12:48,960 INFO L470 AbstractCegarLoop]: Abstraction has 24700 states and 98900 transitions. [2022-01-18 03:12:48,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:48,960 INFO L276 IsEmpty]: Start isEmpty. Operand 24700 states and 98900 transitions. [2022-01-18 03:12:49,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:12:49,010 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:12:49,010 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:12:49,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-01-18 03:12:49,010 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:12:49,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:12:49,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1743541263, now seen corresponding path program 125 times [2022-01-18 03:12:49,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:12:49,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959318022] [2022-01-18 03:12:49,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:12:49,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:12:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:12:49,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:12:49,828 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:12:49,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959318022] [2022-01-18 03:12:49,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959318022] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:12:49,828 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:12:49,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:12:49,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402784688] [2022-01-18 03:12:49,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:12:49,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:12:49,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:12:49,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:12:49,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:12:49,829 INFO L87 Difference]: Start difference. First operand 24700 states and 98900 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:51,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:12:51,407 INFO L93 Difference]: Finished difference Result 55789 states and 219951 transitions. [2022-01-18 03:12:51,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:12:51,408 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:12:51,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:12:51,590 INFO L225 Difference]: With dead ends: 55789 [2022-01-18 03:12:51,591 INFO L226 Difference]: Without dead ends: 55090 [2022-01-18 03:12:51,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=223, Invalid=479, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:12:51,591 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 605 mSDsluCounter, 2931 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 2767 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:12:51,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [605 Valid, 2767 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1266 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:12:51,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55090 states. [2022-01-18 03:12:52,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55090 to 24556. [2022-01-18 03:12:52,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24556 states, 24555 states have (on average 4.005212787619629) internal successors, (98348), 24555 states have internal predecessors, (98348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:52,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24556 states to 24556 states and 98348 transitions. [2022-01-18 03:12:52,639 INFO L78 Accepts]: Start accepts. Automaton has 24556 states and 98348 transitions. Word has length 117 [2022-01-18 03:12:52,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:12:52,639 INFO L470 AbstractCegarLoop]: Abstraction has 24556 states and 98348 transitions. [2022-01-18 03:12:52,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:52,639 INFO L276 IsEmpty]: Start isEmpty. Operand 24556 states and 98348 transitions. [2022-01-18 03:12:52,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:12:52,687 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:12:52,687 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:12:52,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-01-18 03:12:52,688 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:12:52,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:12:52,688 INFO L85 PathProgramCache]: Analyzing trace with hash -2009769815, now seen corresponding path program 126 times [2022-01-18 03:12:52,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:12:52,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172953766] [2022-01-18 03:12:52,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:12:52,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:12:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:12:53,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:12:53,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:12:53,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172953766] [2022-01-18 03:12:53,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172953766] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:12:53,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:12:53,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:12:53,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089160246] [2022-01-18 03:12:53,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:12:53,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:12:53,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:12:53,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:12:53,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:12:53,335 INFO L87 Difference]: Start difference. First operand 24556 states and 98348 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:55,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:12:55,084 INFO L93 Difference]: Finished difference Result 55753 states and 219804 transitions. [2022-01-18 03:12:55,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:12:55,085 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:12:55,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:12:55,287 INFO L225 Difference]: With dead ends: 55753 [2022-01-18 03:12:55,287 INFO L226 Difference]: Without dead ends: 55171 [2022-01-18 03:12:55,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=227, Invalid=475, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:12:55,287 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 638 mSDsluCounter, 2812 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 2674 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:12:55,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [638 Valid, 2674 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:12:55,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55171 states. [2022-01-18 03:12:55,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55171 to 24664. [2022-01-18 03:12:56,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24664 states, 24663 states have (on average 4.004095203341037) internal successors, (98753), 24663 states have internal predecessors, (98753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:56,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24664 states to 24664 states and 98753 transitions. [2022-01-18 03:12:56,077 INFO L78 Accepts]: Start accepts. Automaton has 24664 states and 98753 transitions. Word has length 117 [2022-01-18 03:12:56,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:12:56,077 INFO L470 AbstractCegarLoop]: Abstraction has 24664 states and 98753 transitions. [2022-01-18 03:12:56,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:56,077 INFO L276 IsEmpty]: Start isEmpty. Operand 24664 states and 98753 transitions. [2022-01-18 03:12:56,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:12:56,131 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:12:56,131 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] [2022-01-18 03:12:56,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-01-18 03:12:56,131 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:12:56,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:12:56,131 INFO L85 PathProgramCache]: Analyzing trace with hash 602671359, now seen corresponding path program 127 times [2022-01-18 03:12:56,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:12:56,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618501753] [2022-01-18 03:12:56,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:12:56,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:12:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:12:57,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:12:57,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:12:57,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618501753] [2022-01-18 03:12:57,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618501753] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:12:57,012 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:12:57,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:12:57,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724553915] [2022-01-18 03:12:57,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:12:57,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:12:57,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:12:57,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:12:57,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:12:57,013 INFO L87 Difference]: Start difference. First operand 24664 states and 98753 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:58,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:12:58,510 INFO L93 Difference]: Finished difference Result 55726 states and 219678 transitions. [2022-01-18 03:12:58,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:12:58,511 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:12:58,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:12:58,692 INFO L225 Difference]: With dead ends: 55726 [2022-01-18 03:12:58,692 INFO L226 Difference]: Without dead ends: 55135 [2022-01-18 03:12:58,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=227, Invalid=475, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:12:58,693 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 636 mSDsluCounter, 2719 mSDsCounter, 0 mSdLazyCounter, 1131 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 2594 SdHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:12:58,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [636 Valid, 2594 Invalid, 1166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1131 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:12:58,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55135 states. [2022-01-18 03:12:59,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55135 to 24628. [2022-01-18 03:12:59,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24628 states, 24627 states have (on average 4.003979372233728) internal successors, (98606), 24627 states have internal predecessors, (98606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:59,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24628 states to 24628 states and 98606 transitions. [2022-01-18 03:12:59,705 INFO L78 Accepts]: Start accepts. Automaton has 24628 states and 98606 transitions. Word has length 117 [2022-01-18 03:12:59,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:12:59,705 INFO L470 AbstractCegarLoop]: Abstraction has 24628 states and 98606 transitions. [2022-01-18 03:12:59,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:12:59,705 INFO L276 IsEmpty]: Start isEmpty. Operand 24628 states and 98606 transitions. [2022-01-18 03:12:59,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:12:59,757 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:12:59,757 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:12:59,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-01-18 03:12:59,757 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:12:59,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:12:59,758 INFO L85 PathProgramCache]: Analyzing trace with hash 388084657, now seen corresponding path program 128 times [2022-01-18 03:12:59,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:12:59,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575523486] [2022-01-18 03:12:59,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:12:59,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:12:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:13:00,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:13:00,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:13:00,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575523486] [2022-01-18 03:13:00,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575523486] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:13:00,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:13:00,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:13:00,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955582331] [2022-01-18 03:13:00,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:13:00,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:13:00,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:13:00,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:13:00,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:13:00,424 INFO L87 Difference]: Start difference. First operand 24628 states and 98606 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:02,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:13:02,095 INFO L93 Difference]: Finished difference Result 55132 states and 217689 transitions. [2022-01-18 03:13:02,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:13:02,096 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:13:02,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:13:02,282 INFO L225 Difference]: With dead ends: 55132 [2022-01-18 03:13:02,283 INFO L226 Difference]: Without dead ends: 53473 [2022-01-18 03:13:02,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=229, Invalid=473, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:13:02,283 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 549 mSDsluCounter, 2532 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 2439 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:13:02,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [549 Valid, 2439 Invalid, 1073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:13:02,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53473 states. [2022-01-18 03:13:02,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53473 to 23740. [2022-01-18 03:13:02,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23740 states, 23739 states have (on average 4.016344412148785) internal successors, (95344), 23739 states have internal predecessors, (95344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:03,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23740 states to 23740 states and 95344 transitions. [2022-01-18 03:13:03,393 INFO L78 Accepts]: Start accepts. Automaton has 23740 states and 95344 transitions. Word has length 117 [2022-01-18 03:13:03,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:13:03,394 INFO L470 AbstractCegarLoop]: Abstraction has 23740 states and 95344 transitions. [2022-01-18 03:13:03,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:03,394 INFO L276 IsEmpty]: Start isEmpty. Operand 23740 states and 95344 transitions. [2022-01-18 03:13:03,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:13:03,441 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:13:03,441 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:13:03,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-01-18 03:13:03,441 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:13:03,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:13:03,442 INFO L85 PathProgramCache]: Analyzing trace with hash -514174005, now seen corresponding path program 129 times [2022-01-18 03:13:03,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:13:03,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925998204] [2022-01-18 03:13:03,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:13:03,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:13:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:13:04,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:13:04,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:13:04,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925998204] [2022-01-18 03:13:04,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925998204] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:13:04,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:13:04,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:13:04,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518799899] [2022-01-18 03:13:04,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:13:04,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:13:04,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:13:04,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:13:04,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:13:04,071 INFO L87 Difference]: Start difference. First operand 23740 states and 95344 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:05,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:13:05,659 INFO L93 Difference]: Finished difference Result 61186 states and 240347 transitions. [2022-01-18 03:13:05,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:13:05,659 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:13:05,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:13:06,204 INFO L225 Difference]: With dead ends: 61186 [2022-01-18 03:13:06,204 INFO L226 Difference]: Without dead ends: 60199 [2022-01-18 03:13:06,205 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=219, Invalid=483, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:13:06,205 INFO L933 BasicCegarLoop]: 342 mSDtfsCounter, 736 mSDsluCounter, 3040 mSDsCounter, 0 mSdLazyCounter, 1249 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 736 SdHoareTripleChecker+Valid, 2892 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:13:06,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [736 Valid, 2892 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1249 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:13:06,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60199 states. [2022-01-18 03:13:06,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60199 to 24344. [2022-01-18 03:13:06,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24344 states, 24343 states have (on average 4.0089142669350535) internal successors, (97589), 24343 states have internal predecessors, (97589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:06,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24344 states to 24344 states and 97589 transitions. [2022-01-18 03:13:06,970 INFO L78 Accepts]: Start accepts. Automaton has 24344 states and 97589 transitions. Word has length 117 [2022-01-18 03:13:06,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:13:06,971 INFO L470 AbstractCegarLoop]: Abstraction has 24344 states and 97589 transitions. [2022-01-18 03:13:06,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:06,971 INFO L276 IsEmpty]: Start isEmpty. Operand 24344 states and 97589 transitions. [2022-01-18 03:13:07,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:13:07,017 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:13:07,017 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:13:07,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-01-18 03:13:07,017 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:13:07,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:13:07,018 INFO L85 PathProgramCache]: Analyzing trace with hash 457378891, now seen corresponding path program 130 times [2022-01-18 03:13:07,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:13:07,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590910999] [2022-01-18 03:13:07,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:13:07,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:13:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:13:07,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:13:07,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:13:07,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590910999] [2022-01-18 03:13:07,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590910999] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:13:07,643 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:13:07,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:13:07,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510170420] [2022-01-18 03:13:07,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:13:07,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:13:07,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:13:07,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:13:07,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:13:07,644 INFO L87 Difference]: Start difference. First operand 24344 states and 97589 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:09,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:13:09,519 INFO L93 Difference]: Finished difference Result 61375 states and 240743 transitions. [2022-01-18 03:13:09,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:13:09,519 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:13:09,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:13:09,719 INFO L225 Difference]: With dead ends: 61375 [2022-01-18 03:13:09,719 INFO L226 Difference]: Without dead ends: 60793 [2022-01-18 03:13:09,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=219, Invalid=483, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:13:09,720 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 812 mSDsluCounter, 3189 mSDsCounter, 0 mSdLazyCounter, 1313 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 3016 SdHoareTripleChecker+Invalid, 1350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:13:09,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [812 Valid, 3016 Invalid, 1350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1313 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:13:09,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60793 states. [2022-01-18 03:13:10,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60793 to 24380. [2022-01-18 03:13:10,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24380 states, 24379 states have (on average 4.0075474793879975) internal successors, (97700), 24379 states have internal predecessors, (97700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:10,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24380 states to 24380 states and 97700 transitions. [2022-01-18 03:13:10,809 INFO L78 Accepts]: Start accepts. Automaton has 24380 states and 97700 transitions. Word has length 117 [2022-01-18 03:13:10,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:13:10,809 INFO L470 AbstractCegarLoop]: Abstraction has 24380 states and 97700 transitions. [2022-01-18 03:13:10,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:10,810 INFO L276 IsEmpty]: Start isEmpty. Operand 24380 states and 97700 transitions. [2022-01-18 03:13:10,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:13:10,858 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:13:10,858 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:13:10,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-01-18 03:13:10,858 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:13:10,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:13:10,859 INFO L85 PathProgramCache]: Analyzing trace with hash 947247649, now seen corresponding path program 131 times [2022-01-18 03:13:10,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:13:10,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433446508] [2022-01-18 03:13:10,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:13:10,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:13:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:13:11,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:13:11,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:13:11,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433446508] [2022-01-18 03:13:11,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433446508] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:13:11,437 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:13:11,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:13:11,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771577612] [2022-01-18 03:13:11,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:13:11,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:13:11,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:13:11,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:13:11,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:13:11,438 INFO L87 Difference]: Start difference. First operand 24380 states and 97700 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:13,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:13:13,475 INFO L93 Difference]: Finished difference Result 60790 states and 238775 transitions. [2022-01-18 03:13:13,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:13:13,475 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:13:13,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:13:13,700 INFO L225 Difference]: With dead ends: 60790 [2022-01-18 03:13:13,700 INFO L226 Difference]: Without dead ends: 60091 [2022-01-18 03:13:13,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=219, Invalid=483, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:13:13,700 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 641 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 1409 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 3111 SdHoareTripleChecker+Invalid, 1444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 03:13:13,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [641 Valid, 3111 Invalid, 1444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1409 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 03:13:13,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60091 states. [2022-01-18 03:13:14,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60091 to 24236. [2022-01-18 03:13:14,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24236 states, 24235 states have (on average 4.008582628429957) internal successors, (97148), 24235 states have internal predecessors, (97148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:14,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24236 states to 24236 states and 97148 transitions. [2022-01-18 03:13:14,882 INFO L78 Accepts]: Start accepts. Automaton has 24236 states and 97148 transitions. Word has length 117 [2022-01-18 03:13:14,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:13:14,882 INFO L470 AbstractCegarLoop]: Abstraction has 24236 states and 97148 transitions. [2022-01-18 03:13:14,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:14,883 INFO L276 IsEmpty]: Start isEmpty. Operand 24236 states and 97148 transitions. [2022-01-18 03:13:14,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:13:14,928 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:13:14,928 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:13:14,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-01-18 03:13:14,928 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:13:14,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:13:14,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1932432215, now seen corresponding path program 132 times [2022-01-18 03:13:14,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:13:14,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389068514] [2022-01-18 03:13:14,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:13:14,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:13:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:13:15,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:13:15,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:13:15,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389068514] [2022-01-18 03:13:15,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389068514] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:13:15,504 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:13:15,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:13:15,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780456195] [2022-01-18 03:13:15,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:13:15,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:13:15,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:13:15,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:13:15,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:13:15,505 INFO L87 Difference]: Start difference. First operand 24236 states and 97148 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:17,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:13:17,265 INFO L93 Difference]: Finished difference Result 61294 states and 240608 transitions. [2022-01-18 03:13:17,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 03:13:17,266 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:13:17,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:13:17,804 INFO L225 Difference]: With dead ends: 61294 [2022-01-18 03:13:17,805 INFO L226 Difference]: Without dead ends: 60712 [2022-01-18 03:13:17,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=262, Invalid=550, Unknown=0, NotChecked=0, Total=812 [2022-01-18 03:13:17,805 INFO L933 BasicCegarLoop]: 358 mSDtfsCounter, 730 mSDsluCounter, 3107 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 2962 SdHoareTripleChecker+Invalid, 1297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:13:17,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [730 Valid, 2962 Invalid, 1297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1260 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:13:17,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60712 states. [2022-01-18 03:13:18,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60712 to 24344. [2022-01-18 03:13:18,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24344 states, 24343 states have (on average 4.007435402374399) internal successors, (97553), 24343 states have internal predecessors, (97553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:18,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24344 states to 24344 states and 97553 transitions. [2022-01-18 03:13:18,613 INFO L78 Accepts]: Start accepts. Automaton has 24344 states and 97553 transitions. Word has length 117 [2022-01-18 03:13:18,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:13:18,613 INFO L470 AbstractCegarLoop]: Abstraction has 24344 states and 97553 transitions. [2022-01-18 03:13:18,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:18,613 INFO L276 IsEmpty]: Start isEmpty. Operand 24344 states and 97553 transitions. [2022-01-18 03:13:18,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:13:18,658 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:13:18,658 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:13:18,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-01-18 03:13:18,659 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:13:18,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:13:18,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1442563457, now seen corresponding path program 133 times [2022-01-18 03:13:18,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:13:18,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794817589] [2022-01-18 03:13:18,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:13:18,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:13:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:13:19,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:13:19,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:13:19,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794817589] [2022-01-18 03:13:19,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794817589] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:13:19,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:13:19,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:13:19,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578434052] [2022-01-18 03:13:19,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:13:19,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:13:19,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:13:19,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:13:19,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:13:19,265 INFO L87 Difference]: Start difference. First operand 24344 states and 97553 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:21,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:13:21,095 INFO L93 Difference]: Finished difference Result 61267 states and 240482 transitions. [2022-01-18 03:13:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:13:21,095 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:13:21,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:13:21,308 INFO L225 Difference]: With dead ends: 61267 [2022-01-18 03:13:21,308 INFO L226 Difference]: Without dead ends: 60676 [2022-01-18 03:13:21,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=242, Invalid=514, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:13:21,308 INFO L933 BasicCegarLoop]: 346 mSDtfsCounter, 719 mSDsluCounter, 3025 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 2877 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 03:13:21,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [719 Valid, 2877 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 03:13:21,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60676 states. [2022-01-18 03:13:22,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60676 to 24308. [2022-01-18 03:13:22,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24308 states, 24307 states have (on average 4.007322993376394) internal successors, (97406), 24307 states have internal predecessors, (97406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24308 states to 24308 states and 97406 transitions. [2022-01-18 03:13:22,415 INFO L78 Accepts]: Start accepts. Automaton has 24308 states and 97406 transitions. Word has length 117 [2022-01-18 03:13:22,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:13:22,415 INFO L470 AbstractCegarLoop]: Abstraction has 24308 states and 97406 transitions. [2022-01-18 03:13:22,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:22,415 INFO L276 IsEmpty]: Start isEmpty. Operand 24308 states and 97406 transitions. [2022-01-18 03:13:22,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:13:22,462 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:13:22,462 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] [2022-01-18 03:13:22,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-01-18 03:13:22,462 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:13:22,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:13:22,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1940449713, now seen corresponding path program 134 times [2022-01-18 03:13:22,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:13:22,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270321669] [2022-01-18 03:13:22,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:13:22,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:13:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:13:23,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:13:23,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:13:23,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270321669] [2022-01-18 03:13:23,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270321669] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:13:23,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:13:23,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:13:23,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781746830] [2022-01-18 03:13:23,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:13:23,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:13:23,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:13:23,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:13:23,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:13:23,087 INFO L87 Difference]: Start difference. First operand 24308 states and 97406 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:25,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:13:25,021 INFO L93 Difference]: Finished difference Result 60673 states and 238493 transitions. [2022-01-18 03:13:25,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:13:25,022 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:13:25,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:13:25,259 INFO L225 Difference]: With dead ends: 60673 [2022-01-18 03:13:25,260 INFO L226 Difference]: Without dead ends: 59398 [2022-01-18 03:13:25,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=244, Invalid=512, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:13:25,260 INFO L933 BasicCegarLoop]: 349 mSDtfsCounter, 632 mSDsluCounter, 3084 mSDsCounter, 0 mSdLazyCounter, 1242 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 2939 SdHoareTripleChecker+Invalid, 1276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:13:25,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [632 Valid, 2939 Invalid, 1276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1242 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:13:25,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59398 states. [2022-01-18 03:13:25,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59398 to 23804. [2022-01-18 03:13:25,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23804 states, 23803 states have (on average 4.014283913792379) internal successors, (95552), 23803 states have internal predecessors, (95552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:26,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23804 states to 23804 states and 95552 transitions. [2022-01-18 03:13:26,445 INFO L78 Accepts]: Start accepts. Automaton has 23804 states and 95552 transitions. Word has length 117 [2022-01-18 03:13:26,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:13:26,445 INFO L470 AbstractCegarLoop]: Abstraction has 23804 states and 95552 transitions. [2022-01-18 03:13:26,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:26,445 INFO L276 IsEmpty]: Start isEmpty. Operand 23804 states and 95552 transitions. [2022-01-18 03:13:26,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:13:26,499 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:13:26,499 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:13:26,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-01-18 03:13:26,500 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:13:26,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:13:26,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1462146691, now seen corresponding path program 135 times [2022-01-18 03:13:26,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:13:26,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558878074] [2022-01-18 03:13:26,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:13:26,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:13:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:13:27,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:13:27,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:13:27,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558878074] [2022-01-18 03:13:27,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558878074] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:13:27,127 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:13:27,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:13:27,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502783821] [2022-01-18 03:13:27,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:13:27,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:13:27,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:13:27,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:13:27,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:13:27,128 INFO L87 Difference]: Start difference. First operand 23804 states and 95552 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:28,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:13:28,763 INFO L93 Difference]: Finished difference Result 60382 states and 237369 transitions. [2022-01-18 03:13:28,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:13:28,764 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:13:28,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:13:28,965 INFO L225 Difference]: With dead ends: 60382 [2022-01-18 03:13:28,965 INFO L226 Difference]: Without dead ends: 59788 [2022-01-18 03:13:28,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:13:28,966 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 823 mSDsluCounter, 3043 mSDsCounter, 0 mSdLazyCounter, 1269 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 823 SdHoareTripleChecker+Valid, 2895 SdHoareTripleChecker+Invalid, 1306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:13:28,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [823 Valid, 2895 Invalid, 1306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1269 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:13:29,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59788 states. [2022-01-18 03:13:29,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59788 to 24116. [2022-01-18 03:13:29,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24116 states, 24115 states have (on average 4.0140161725067385) internal successors, (96798), 24115 states have internal predecessors, (96798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:30,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24116 states to 24116 states and 96798 transitions. [2022-01-18 03:13:30,053 INFO L78 Accepts]: Start accepts. Automaton has 24116 states and 96798 transitions. Word has length 117 [2022-01-18 03:13:30,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:13:30,053 INFO L470 AbstractCegarLoop]: Abstraction has 24116 states and 96798 transitions. [2022-01-18 03:13:30,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:30,053 INFO L276 IsEmpty]: Start isEmpty. Operand 24116 states and 96798 transitions. [2022-01-18 03:13:30,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:13:30,098 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:13:30,099 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:13:30,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-01-18 03:13:30,099 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:13:30,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:13:30,102 INFO L85 PathProgramCache]: Analyzing trace with hash -129279075, now seen corresponding path program 136 times [2022-01-18 03:13:30,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:13:30,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789460140] [2022-01-18 03:13:30,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:13:30,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:13:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:13:30,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:13:30,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:13:30,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789460140] [2022-01-18 03:13:30,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789460140] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:13:30,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:13:30,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:13:30,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252643566] [2022-01-18 03:13:30,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:13:30,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:13:30,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:13:30,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:13:30,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:13:30,769 INFO L87 Difference]: Start difference. First operand 24116 states and 96798 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:32,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:13:32,604 INFO L93 Difference]: Finished difference Result 60370 states and 237294 transitions. [2022-01-18 03:13:32,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:13:32,604 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:13:32,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:13:32,799 INFO L225 Difference]: With dead ends: 60370 [2022-01-18 03:13:32,800 INFO L226 Difference]: Without dead ends: 59743 [2022-01-18 03:13:32,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:13:32,800 INFO L933 BasicCegarLoop]: 333 mSDtfsCounter, 742 mSDsluCounter, 3128 mSDsCounter, 0 mSdLazyCounter, 1284 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 742 SdHoareTripleChecker+Valid, 2969 SdHoareTripleChecker+Invalid, 1321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 03:13:32,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [742 Valid, 2969 Invalid, 1321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1284 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 03:13:32,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59743 states. [2022-01-18 03:13:33,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59743 to 24071. [2022-01-18 03:13:33,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24071 states, 24070 states have (on average 4.01404237640216) internal successors, (96618), 24070 states have internal predecessors, (96618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:33,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24071 states to 24071 states and 96618 transitions. [2022-01-18 03:13:33,829 INFO L78 Accepts]: Start accepts. Automaton has 24071 states and 96618 transitions. Word has length 117 [2022-01-18 03:13:33,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:13:33,829 INFO L470 AbstractCegarLoop]: Abstraction has 24071 states and 96618 transitions. [2022-01-18 03:13:33,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:33,829 INFO L276 IsEmpty]: Start isEmpty. Operand 24071 states and 96618 transitions. [2022-01-18 03:13:33,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:13:33,874 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:13:33,874 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:13:33,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-01-18 03:13:33,874 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:13:33,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:13:33,875 INFO L85 PathProgramCache]: Analyzing trace with hash 285504155, now seen corresponding path program 137 times [2022-01-18 03:13:33,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:13:33,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86738088] [2022-01-18 03:13:33,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:13:33,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:13:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:13:34,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:13:34,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:13:34,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86738088] [2022-01-18 03:13:34,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86738088] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:13:34,491 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:13:34,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:13:34,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340435623] [2022-01-18 03:13:34,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:13:34,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:13:34,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:13:34,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:13:34,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:13:34,492 INFO L87 Difference]: Start difference. First operand 24071 states and 96618 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:36,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:13:36,479 INFO L93 Difference]: Finished difference Result 60730 states and 238599 transitions. [2022-01-18 03:13:36,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:13:36,479 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:13:36,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:13:36,717 INFO L225 Difference]: With dead ends: 60730 [2022-01-18 03:13:36,717 INFO L226 Difference]: Without dead ends: 59608 [2022-01-18 03:13:36,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:13:36,717 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 854 mSDsluCounter, 3005 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 854 SdHoareTripleChecker+Valid, 2851 SdHoareTripleChecker+Invalid, 1338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 03:13:36,717 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [854 Valid, 2851 Invalid, 1338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1302 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 03:13:36,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59608 states. [2022-01-18 03:13:37,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59608 to 23936. [2022-01-18 03:13:37,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23936 states, 23935 states have (on average 4.01449759766033) internal successors, (96087), 23935 states have internal predecessors, (96087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:37,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23936 states to 23936 states and 96087 transitions. [2022-01-18 03:13:37,866 INFO L78 Accepts]: Start accepts. Automaton has 23936 states and 96087 transitions. Word has length 117 [2022-01-18 03:13:37,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:13:37,866 INFO L470 AbstractCegarLoop]: Abstraction has 23936 states and 96087 transitions. [2022-01-18 03:13:37,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:37,866 INFO L276 IsEmpty]: Start isEmpty. Operand 23936 states and 96087 transitions. [2022-01-18 03:13:37,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:13:37,919 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:13:37,919 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:13:37,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-01-18 03:13:37,920 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:13:37,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:13:37,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1714429699, now seen corresponding path program 138 times [2022-01-18 03:13:37,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:13:37,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137601640] [2022-01-18 03:13:37,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:13:37,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:13:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:13:38,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:13:38,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:13:38,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137601640] [2022-01-18 03:13:38,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137601640] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:13:38,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:13:38,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:13:38,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267575976] [2022-01-18 03:13:38,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:13:38,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:13:38,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:13:38,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:13:38,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:13:38,526 INFO L87 Difference]: Start difference. First operand 23936 states and 96087 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:40,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:13:40,137 INFO L93 Difference]: Finished difference Result 61621 states and 241439 transitions. [2022-01-18 03:13:40,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:13:40,137 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:13:40,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:13:40,343 INFO L225 Difference]: With dead ends: 61621 [2022-01-18 03:13:40,343 INFO L226 Difference]: Without dead ends: 61027 [2022-01-18 03:13:40,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:13:40,343 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 1029 mSDsluCounter, 3002 mSDsCounter, 0 mSdLazyCounter, 1245 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1029 SdHoareTripleChecker+Valid, 2862 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:13:40,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1029 Valid, 2862 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1245 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:13:40,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61027 states. [2022-01-18 03:13:41,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61027 to 23993. [2022-01-18 03:13:41,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23993 states, 23992 states have (on average 4.012795931977326) internal successors, (96275), 23992 states have internal predecessors, (96275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:41,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23993 states to 23993 states and 96275 transitions. [2022-01-18 03:13:41,441 INFO L78 Accepts]: Start accepts. Automaton has 23993 states and 96275 transitions. Word has length 117 [2022-01-18 03:13:41,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:13:41,441 INFO L470 AbstractCegarLoop]: Abstraction has 23993 states and 96275 transitions. [2022-01-18 03:13:41,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:41,441 INFO L276 IsEmpty]: Start isEmpty. Operand 23993 states and 96275 transitions. [2022-01-18 03:13:41,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:13:41,487 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:13:41,487 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:13:41,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-01-18 03:13:41,488 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:13:41,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:13:41,488 INFO L85 PathProgramCache]: Analyzing trace with hash -381562083, now seen corresponding path program 139 times [2022-01-18 03:13:41,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:13:41,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694487414] [2022-01-18 03:13:41,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:13:41,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:13:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:13:42,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:13:42,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:13:42,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694487414] [2022-01-18 03:13:42,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694487414] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:13:42,147 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:13:42,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:13:42,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019624864] [2022-01-18 03:13:42,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:13:42,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:13:42,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:13:42,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:13:42,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:13:42,147 INFO L87 Difference]: Start difference. First operand 23993 states and 96275 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:43,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:13:43,953 INFO L93 Difference]: Finished difference Result 61609 states and 241364 transitions. [2022-01-18 03:13:43,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:13:43,953 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:13:43,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:13:44,151 INFO L225 Difference]: With dead ends: 61609 [2022-01-18 03:13:44,151 INFO L226 Difference]: Without dead ends: 60982 [2022-01-18 03:13:44,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:13:44,152 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 879 mSDsluCounter, 3238 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 879 SdHoareTripleChecker+Valid, 3060 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 03:13:44,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [879 Valid, 3060 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 03:13:44,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60982 states. [2022-01-18 03:13:45,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60982 to 23948. [2022-01-18 03:13:45,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23948 states, 23947 states have (on average 4.014198020628889) internal successors, (96128), 23947 states have internal predecessors, (96128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:45,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23948 states to 23948 states and 96128 transitions. [2022-01-18 03:13:45,200 INFO L78 Accepts]: Start accepts. Automaton has 23948 states and 96128 transitions. Word has length 117 [2022-01-18 03:13:45,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:13:45,200 INFO L470 AbstractCegarLoop]: Abstraction has 23948 states and 96128 transitions. [2022-01-18 03:13:45,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:45,200 INFO L276 IsEmpty]: Start isEmpty. Operand 23948 states and 96128 transitions. [2022-01-18 03:13:45,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:13:45,245 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:13:45,245 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:13:45,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-01-18 03:13:45,245 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:13:45,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:13:45,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1961835367, now seen corresponding path program 140 times [2022-01-18 03:13:45,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:13:45,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384908796] [2022-01-18 03:13:45,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:13:45,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:13:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:13:45,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:13:45,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:13:45,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384908796] [2022-01-18 03:13:45,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384908796] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:13:45,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:13:45,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:13:45,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412753864] [2022-01-18 03:13:45,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:13:45,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:13:45,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:13:45,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:13:45,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:13:45,812 INFO L87 Difference]: Start difference. First operand 23948 states and 96128 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:47,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:13:47,981 INFO L93 Difference]: Finished difference Result 60844 states and 238790 transitions. [2022-01-18 03:13:47,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:13:47,981 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:13:47,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:13:48,254 INFO L225 Difference]: With dead ends: 60844 [2022-01-18 03:13:48,255 INFO L226 Difference]: Without dead ends: 60250 [2022-01-18 03:13:48,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:13:48,255 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 917 mSDsluCounter, 2970 mSDsCounter, 0 mSdLazyCounter, 1246 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 2827 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 03:13:48,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [917 Valid, 2827 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1246 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 03:13:48,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60250 states. [2022-01-18 03:13:48,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60250 to 23984. [2022-01-18 03:13:49,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23984 states, 23983 states have (on average 4.012800733853146) internal successors, (96239), 23983 states have internal predecessors, (96239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:49,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23984 states to 23984 states and 96239 transitions. [2022-01-18 03:13:49,458 INFO L78 Accepts]: Start accepts. Automaton has 23984 states and 96239 transitions. Word has length 117 [2022-01-18 03:13:49,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:13:49,458 INFO L470 AbstractCegarLoop]: Abstraction has 23984 states and 96239 transitions. [2022-01-18 03:13:49,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:49,458 INFO L276 IsEmpty]: Start isEmpty. Operand 23984 states and 96239 transitions. [2022-01-18 03:13:49,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:13:49,520 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:13:49,520 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:13:49,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-01-18 03:13:49,520 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:13:49,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:13:49,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1273120835, now seen corresponding path program 141 times [2022-01-18 03:13:49,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:13:49,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894662681] [2022-01-18 03:13:49,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:13:49,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:13:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:13:50,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:13:50,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:13:50,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894662681] [2022-01-18 03:13:50,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894662681] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:13:50,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:13:50,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:13:50,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661672316] [2022-01-18 03:13:50,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:13:50,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:13:50,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:13:50,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:13:50,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:13:50,211 INFO L87 Difference]: Start difference. First operand 23984 states and 96239 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:51,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:13:51,878 INFO L93 Difference]: Finished difference Result 60355 states and 237197 transitions. [2022-01-18 03:13:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:13:51,878 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:13:51,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:13:52,073 INFO L225 Difference]: With dead ends: 60355 [2022-01-18 03:13:52,073 INFO L226 Difference]: Without dead ends: 59764 [2022-01-18 03:13:52,073 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:13:52,073 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 780 mSDsluCounter, 3200 mSDsCounter, 0 mSdLazyCounter, 1357 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 780 SdHoareTripleChecker+Valid, 3018 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:13:52,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [780 Valid, 3018 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1357 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:13:52,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59764 states. [2022-01-18 03:13:53,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59764 to 23948. [2022-01-18 03:13:53,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23948 states, 23947 states have (on average 4.013696914018458) internal successors, (96116), 23947 states have internal predecessors, (96116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:53,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23948 states to 23948 states and 96116 transitions. [2022-01-18 03:13:53,178 INFO L78 Accepts]: Start accepts. Automaton has 23948 states and 96116 transitions. Word has length 117 [2022-01-18 03:13:53,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:13:53,178 INFO L470 AbstractCegarLoop]: Abstraction has 23948 states and 96116 transitions. [2022-01-18 03:13:53,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:53,179 INFO L276 IsEmpty]: Start isEmpty. Operand 23948 states and 96116 transitions. [2022-01-18 03:13:53,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:13:53,223 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:13:53,223 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:13:53,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-01-18 03:13:53,224 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:13:53,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:13:53,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1880956537, now seen corresponding path program 142 times [2022-01-18 03:13:53,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:13:53,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075945650] [2022-01-18 03:13:53,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:13:53,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:13:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:13:53,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:13:53,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:13:53,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075945650] [2022-01-18 03:13:53,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075945650] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:13:53,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:13:53,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:13:53,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545369167] [2022-01-18 03:13:53,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:13:53,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:13:53,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:13:53,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:13:53,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:13:53,814 INFO L87 Difference]: Start difference. First operand 23948 states and 96116 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:55,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:13:55,643 INFO L93 Difference]: Finished difference Result 60940 states and 239153 transitions. [2022-01-18 03:13:55,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:13:55,644 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:13:55,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:13:55,837 INFO L225 Difference]: With dead ends: 60940 [2022-01-18 03:13:55,837 INFO L226 Difference]: Without dead ends: 60358 [2022-01-18 03:13:55,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:13:55,838 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 827 mSDsluCounter, 3134 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 2966 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:13:55,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [827 Valid, 2966 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1307 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:13:55,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60358 states. [2022-01-18 03:13:56,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60358 to 23984. [2022-01-18 03:13:56,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23984 states, 23983 states have (on average 4.012300379435433) internal successors, (96227), 23983 states have internal predecessors, (96227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:56,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23984 states to 23984 states and 96227 transitions. [2022-01-18 03:13:56,877 INFO L78 Accepts]: Start accepts. Automaton has 23984 states and 96227 transitions. Word has length 117 [2022-01-18 03:13:56,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:13:56,878 INFO L470 AbstractCegarLoop]: Abstraction has 23984 states and 96227 transitions. [2022-01-18 03:13:56,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:56,878 INFO L276 IsEmpty]: Start isEmpty. Operand 23984 states and 96227 transitions. [2022-01-18 03:13:56,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:13:56,926 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:13:56,926 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:13:56,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-01-18 03:13:56,926 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:13:56,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:13:56,926 INFO L85 PathProgramCache]: Analyzing trace with hash 731484637, now seen corresponding path program 143 times [2022-01-18 03:13:56,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:13:56,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138405703] [2022-01-18 03:13:56,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:13:56,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:13:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:13:57,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:13:57,544 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:13:57,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138405703] [2022-01-18 03:13:57,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138405703] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:13:57,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:13:57,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:13:57,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635749320] [2022-01-18 03:13:57,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:13:57,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:13:57,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:13:57,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:13:57,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:13:57,545 INFO L87 Difference]: Start difference. First operand 23984 states and 96227 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:13:59,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:13:59,511 INFO L93 Difference]: Finished difference Result 60355 states and 237185 transitions. [2022-01-18 03:13:59,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:13:59,511 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:13:59,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:13:59,719 INFO L225 Difference]: With dead ends: 60355 [2022-01-18 03:13:59,719 INFO L226 Difference]: Without dead ends: 59752 [2022-01-18 03:13:59,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:13:59,720 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 834 mSDsluCounter, 2860 mSDsCounter, 0 mSdLazyCounter, 1223 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 834 SdHoareTripleChecker+Valid, 2728 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:13:59,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [834 Valid, 2728 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1223 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:13:59,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59752 states. [2022-01-18 03:14:00,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59752 to 23936. [2022-01-18 03:14:00,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23936 states, 23935 states have (on average 4.013996239816168) internal successors, (96075), 23935 states have internal predecessors, (96075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:00,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23936 states to 23936 states and 96075 transitions. [2022-01-18 03:14:00,482 INFO L78 Accepts]: Start accepts. Automaton has 23936 states and 96075 transitions. Word has length 117 [2022-01-18 03:14:00,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:14:00,482 INFO L470 AbstractCegarLoop]: Abstraction has 23936 states and 96075 transitions. [2022-01-18 03:14:00,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:00,482 INFO L276 IsEmpty]: Start isEmpty. Operand 23936 states and 96075 transitions. [2022-01-18 03:14:00,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:14:00,527 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:14:00,528 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:14:00,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-01-18 03:14:00,528 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:14:00,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:14:00,528 INFO L85 PathProgramCache]: Analyzing trace with hash 284885723, now seen corresponding path program 144 times [2022-01-18 03:14:00,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:14:00,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299528303] [2022-01-18 03:14:00,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:14:00,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:14:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:14:01,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:14:01,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:14:01,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299528303] [2022-01-18 03:14:01,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299528303] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:14:01,531 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:14:01,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:14:01,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966874091] [2022-01-18 03:14:01,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:14:01,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:14:01,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:14:01,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:14:01,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:14:01,532 INFO L87 Difference]: Start difference. First operand 23936 states and 96075 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:03,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:14:03,207 INFO L93 Difference]: Finished difference Result 61432 states and 240981 transitions. [2022-01-18 03:14:03,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:14:03,207 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:14:03,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:14:03,430 INFO L225 Difference]: With dead ends: 61432 [2022-01-18 03:14:03,430 INFO L226 Difference]: Without dead ends: 60445 [2022-01-18 03:14:03,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:14:03,431 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 863 mSDsluCounter, 2994 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 863 SdHoareTripleChecker+Valid, 2845 SdHoareTripleChecker+Invalid, 1298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:14:03,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [863 Valid, 2845 Invalid, 1298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1260 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:14:03,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60445 states. [2022-01-18 03:14:04,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60445 to 24044. [2022-01-18 03:14:04,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24044 states, 24043 states have (on average 4.009815746787007) internal successors, (96408), 24043 states have internal predecessors, (96408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:04,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24044 states to 24044 states and 96408 transitions. [2022-01-18 03:14:04,512 INFO L78 Accepts]: Start accepts. Automaton has 24044 states and 96408 transitions. Word has length 117 [2022-01-18 03:14:04,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:14:04,512 INFO L470 AbstractCegarLoop]: Abstraction has 24044 states and 96408 transitions. [2022-01-18 03:14:04,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:04,512 INFO L276 IsEmpty]: Start isEmpty. Operand 24044 states and 96408 transitions. [2022-01-18 03:14:04,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:14:04,562 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:14:04,562 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:14:04,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-01-18 03:14:04,562 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:14:04,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:14:04,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1084079611, now seen corresponding path program 145 times [2022-01-18 03:14:04,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:14:04,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240459355] [2022-01-18 03:14:04,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:14:04,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:14:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:14:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:14:05,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:14:05,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240459355] [2022-01-18 03:14:05,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240459355] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:14:05,209 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:14:05,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:14:05,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029861125] [2022-01-18 03:14:05,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:14:05,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:14:05,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:14:05,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:14:05,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:14:05,210 INFO L87 Difference]: Start difference. First operand 24044 states and 96408 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:06,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:14:06,980 INFO L93 Difference]: Finished difference Result 61036 states and 239445 transitions. [2022-01-18 03:14:06,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:14:06,980 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:14:06,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:14:07,195 INFO L225 Difference]: With dead ends: 61036 [2022-01-18 03:14:07,195 INFO L226 Difference]: Without dead ends: 60454 [2022-01-18 03:14:07,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:14:07,196 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 1036 mSDsluCounter, 2841 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1036 SdHoareTripleChecker+Valid, 2715 SdHoareTripleChecker+Invalid, 1236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:14:07,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1036 Valid, 2715 Invalid, 1236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:14:07,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60454 states. [2022-01-18 03:14:08,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60454 to 24080. [2022-01-18 03:14:08,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24080 states, 24079 states have (on average 4.008430582665393) internal successors, (96519), 24079 states have internal predecessors, (96519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:08,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24080 states to 24080 states and 96519 transitions. [2022-01-18 03:14:08,346 INFO L78 Accepts]: Start accepts. Automaton has 24080 states and 96519 transitions. Word has length 117 [2022-01-18 03:14:08,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:14:08,346 INFO L470 AbstractCegarLoop]: Abstraction has 24080 states and 96519 transitions. [2022-01-18 03:14:08,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:08,346 INFO L276 IsEmpty]: Start isEmpty. Operand 24080 states and 96519 transitions. [2022-01-18 03:14:08,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:14:08,395 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:14:08,395 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:14:08,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-01-18 03:14:08,395 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:14:08,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:14:08,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1528361563, now seen corresponding path program 146 times [2022-01-18 03:14:08,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:14:08,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806781974] [2022-01-18 03:14:08,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:14:08,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:14:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:14:09,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:14:09,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:14:09,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806781974] [2022-01-18 03:14:09,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806781974] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:14:09,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:14:09,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:14:09,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300428227] [2022-01-18 03:14:09,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:14:09,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:14:09,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:14:09,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:14:09,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:14:09,036 INFO L87 Difference]: Start difference. First operand 24080 states and 96519 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:11,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:14:11,078 INFO L93 Difference]: Finished difference Result 60451 states and 237477 transitions. [2022-01-18 03:14:11,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:14:11,078 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:14:11,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:14:11,307 INFO L225 Difference]: With dead ends: 60451 [2022-01-18 03:14:11,307 INFO L226 Difference]: Without dead ends: 59716 [2022-01-18 03:14:11,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:14:11,307 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 723 mSDsluCounter, 3040 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 2885 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:14:11,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [723 Valid, 2885 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1280 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:14:11,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59716 states. [2022-01-18 03:14:12,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59716 to 23900. [2022-01-18 03:14:12,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23900 states, 23899 states have (on average 4.013891794635759) internal successors, (95928), 23899 states have internal predecessors, (95928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:12,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23900 states to 23900 states and 95928 transitions. [2022-01-18 03:14:12,168 INFO L78 Accepts]: Start accepts. Automaton has 23900 states and 95928 transitions. Word has length 117 [2022-01-18 03:14:12,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:14:12,169 INFO L470 AbstractCegarLoop]: Abstraction has 23900 states and 95928 transitions. [2022-01-18 03:14:12,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:12,169 INFO L276 IsEmpty]: Start isEmpty. Operand 23900 states and 95928 transitions. [2022-01-18 03:14:12,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:14:12,219 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:14:12,219 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:14:12,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-01-18 03:14:12,219 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:14:12,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:14:12,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1095777247, now seen corresponding path program 147 times [2022-01-18 03:14:12,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:14:12,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101484594] [2022-01-18 03:14:12,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:14:12,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:14:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:14:13,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:14:13,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:14:13,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101484594] [2022-01-18 03:14:13,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101484594] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:14:13,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:14:13,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:14:13,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340840240] [2022-01-18 03:14:13,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:14:13,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:14:13,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:14:13,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:14:13,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:14:13,179 INFO L87 Difference]: Start difference. First operand 23900 states and 95928 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:15,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:14:15,092 INFO L93 Difference]: Finished difference Result 61768 states and 242247 transitions. [2022-01-18 03:14:15,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 03:14:15,093 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:14:15,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:14:15,331 INFO L225 Difference]: With dead ends: 61768 [2022-01-18 03:14:15,331 INFO L226 Difference]: Without dead ends: 61174 [2022-01-18 03:14:15,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=255, Invalid=557, Unknown=0, NotChecked=0, Total=812 [2022-01-18 03:14:15,332 INFO L933 BasicCegarLoop]: 355 mSDtfsCounter, 983 mSDsluCounter, 3029 mSDsCounter, 0 mSdLazyCounter, 1237 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 983 SdHoareTripleChecker+Valid, 2912 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:14:15,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [983 Valid, 2912 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1237 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:14:15,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61174 states. [2022-01-18 03:14:16,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61174 to 23981. [2022-01-18 03:14:16,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23981 states, 23980 states have (on average 4.012593828190158) internal successors, (96222), 23980 states have internal predecessors, (96222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:16,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23981 states to 23981 states and 96222 transitions. [2022-01-18 03:14:16,485 INFO L78 Accepts]: Start accepts. Automaton has 23981 states and 96222 transitions. Word has length 117 [2022-01-18 03:14:16,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:14:16,486 INFO L470 AbstractCegarLoop]: Abstraction has 23981 states and 96222 transitions. [2022-01-18 03:14:16,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:16,486 INFO L276 IsEmpty]: Start isEmpty. Operand 23981 states and 96222 transitions. [2022-01-18 03:14:16,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:14:16,538 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:14:16,538 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:14:16,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-01-18 03:14:16,538 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:14:16,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:14:16,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1866322433, now seen corresponding path program 148 times [2022-01-18 03:14:16,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:14:16,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363916250] [2022-01-18 03:14:16,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:14:16,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:14:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:14:17,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:14:17,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:14:17,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363916250] [2022-01-18 03:14:17,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363916250] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:14:17,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:14:17,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:14:17,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131689352] [2022-01-18 03:14:17,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:14:17,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:14:17,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:14:17,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:14:17,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:14:17,214 INFO L87 Difference]: Start difference. First operand 23981 states and 96222 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:19,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:14:19,407 INFO L93 Difference]: Finished difference Result 62161 states and 243657 transitions. [2022-01-18 03:14:19,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-18 03:14:19,407 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:14:19,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:14:19,652 INFO L225 Difference]: With dead ends: 62161 [2022-01-18 03:14:19,652 INFO L226 Difference]: Without dead ends: 61534 [2022-01-18 03:14:19,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=275, Invalid=595, Unknown=0, NotChecked=0, Total=870 [2022-01-18 03:14:19,652 INFO L933 BasicCegarLoop]: 366 mSDtfsCounter, 847 mSDsluCounter, 3236 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 3097 SdHoareTripleChecker+Invalid, 1352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 03:14:19,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [847 Valid, 3097 Invalid, 1352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1311 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 03:14:19,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61534 states. [2022-01-18 03:14:20,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61534 to 23936. [2022-01-18 03:14:20,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23936 states, 23935 states have (on average 4.013996239816168) internal successors, (96075), 23935 states have internal predecessors, (96075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:20,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23936 states to 23936 states and 96075 transitions. [2022-01-18 03:14:20,875 INFO L78 Accepts]: Start accepts. Automaton has 23936 states and 96075 transitions. Word has length 117 [2022-01-18 03:14:20,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:14:20,875 INFO L470 AbstractCegarLoop]: Abstraction has 23936 states and 96075 transitions. [2022-01-18 03:14:20,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:20,875 INFO L276 IsEmpty]: Start isEmpty. Operand 23936 states and 96075 transitions. [2022-01-18 03:14:20,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:14:20,929 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:14:20,929 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:14:20,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-01-18 03:14:20,930 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:14:20,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:14:20,930 INFO L85 PathProgramCache]: Analyzing trace with hash 477075017, now seen corresponding path program 149 times [2022-01-18 03:14:20,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:14:20,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600905209] [2022-01-18 03:14:20,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:14:20,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:14:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:14:21,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:14:21,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:14:21,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600905209] [2022-01-18 03:14:21,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600905209] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:14:21,574 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:14:21,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:14:21,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523166238] [2022-01-18 03:14:21,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:14:21,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:14:21,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:14:21,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:14:21,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:14:21,575 INFO L87 Difference]: Start difference. First operand 23936 states and 96075 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:23,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:14:23,744 INFO L93 Difference]: Finished difference Result 62317 states and 244044 transitions. [2022-01-18 03:14:23,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:14:23,745 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:14:23,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:14:23,976 INFO L225 Difference]: With dead ends: 62317 [2022-01-18 03:14:23,976 INFO L226 Difference]: Without dead ends: 61723 [2022-01-18 03:14:23,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=236, Invalid=520, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:14:23,976 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 1138 mSDsluCounter, 2844 mSDsCounter, 0 mSdLazyCounter, 1186 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1138 SdHoareTripleChecker+Valid, 2734 SdHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:14:23,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1138 Valid, 2734 Invalid, 1227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1186 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:14:24,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61723 states. [2022-01-18 03:14:24,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61723 to 23972. [2022-01-18 03:14:24,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23972 states, 23971 states have (on average 4.012598556589212) internal successors, (96186), 23971 states have internal predecessors, (96186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:25,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23972 states to 23972 states and 96186 transitions. [2022-01-18 03:14:25,194 INFO L78 Accepts]: Start accepts. Automaton has 23972 states and 96186 transitions. Word has length 117 [2022-01-18 03:14:25,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:14:25,194 INFO L470 AbstractCegarLoop]: Abstraction has 23972 states and 96186 transitions. [2022-01-18 03:14:25,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:25,194 INFO L276 IsEmpty]: Start isEmpty. Operand 23972 states and 96186 transitions. [2022-01-18 03:14:25,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:14:25,251 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:14:25,251 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:14:25,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-01-18 03:14:25,251 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:14:25,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:14:25,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1537086111, now seen corresponding path program 150 times [2022-01-18 03:14:25,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:14:25,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098723287] [2022-01-18 03:14:25,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:14:25,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:14:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:14:25,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:14:25,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:14:25,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098723287] [2022-01-18 03:14:25,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098723287] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:14:25,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:14:25,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:14:25,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130543595] [2022-01-18 03:14:25,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:14:25,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:14:25,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:14:25,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:14:25,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:14:25,911 INFO L87 Difference]: Start difference. First operand 23972 states and 96186 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:27,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:14:27,595 INFO L93 Difference]: Finished difference Result 61828 states and 242451 transitions. [2022-01-18 03:14:27,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:14:27,595 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:14:27,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:14:27,794 INFO L225 Difference]: With dead ends: 61828 [2022-01-18 03:14:27,794 INFO L226 Difference]: Without dead ends: 61237 [2022-01-18 03:14:27,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=236, Invalid=520, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:14:27,794 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 910 mSDsluCounter, 3050 mSDsCounter, 0 mSdLazyCounter, 1296 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 910 SdHoareTripleChecker+Valid, 2899 SdHoareTripleChecker+Invalid, 1336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:14:27,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [910 Valid, 2899 Invalid, 1336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1296 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:14:28,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61237 states. [2022-01-18 03:14:28,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61237 to 23936. [2022-01-18 03:14:28,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23936 states, 23935 states have (on average 4.013494881972007) internal successors, (96063), 23935 states have internal predecessors, (96063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:28,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23936 states to 23936 states and 96063 transitions. [2022-01-18 03:14:28,876 INFO L78 Accepts]: Start accepts. Automaton has 23936 states and 96063 transitions. Word has length 117 [2022-01-18 03:14:28,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:14:28,876 INFO L470 AbstractCegarLoop]: Abstraction has 23936 states and 96063 transitions. [2022-01-18 03:14:28,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:28,876 INFO L276 IsEmpty]: Start isEmpty. Operand 23936 states and 96063 transitions. [2022-01-18 03:14:28,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:14:28,927 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:14:28,927 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:14:28,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-01-18 03:14:28,927 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:14:28,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:14:28,928 INFO L85 PathProgramCache]: Analyzing trace with hash 929250409, now seen corresponding path program 151 times [2022-01-18 03:14:28,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:14:28,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971149229] [2022-01-18 03:14:28,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:14:28,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:14:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:14:29,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:14:29,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:14:29,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971149229] [2022-01-18 03:14:29,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971149229] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:14:29,644 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:14:29,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:14:29,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250077343] [2022-01-18 03:14:29,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:14:29,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:14:29,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:14:29,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:14:29,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:14:29,644 INFO L87 Difference]: Start difference. First operand 23936 states and 96063 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:31,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:14:31,574 INFO L93 Difference]: Finished difference Result 62305 states and 244002 transitions. [2022-01-18 03:14:31,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:14:31,575 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:14:31,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:14:31,788 INFO L225 Difference]: With dead ends: 62305 [2022-01-18 03:14:31,788 INFO L226 Difference]: Without dead ends: 61723 [2022-01-18 03:14:31,788 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=236, Invalid=520, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:14:31,789 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 936 mSDsluCounter, 3080 mSDsCounter, 0 mSdLazyCounter, 1284 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 2930 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 03:14:31,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [936 Valid, 2930 Invalid, 1326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1284 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 03:14:31,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61723 states. [2022-01-18 03:14:32,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61723 to 23972. [2022-01-18 03:14:32,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23972 states, 23971 states have (on average 4.0120979516916275) internal successors, (96174), 23971 states have internal predecessors, (96174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:32,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23972 states to 23972 states and 96174 transitions. [2022-01-18 03:14:32,924 INFO L78 Accepts]: Start accepts. Automaton has 23972 states and 96174 transitions. Word has length 117 [2022-01-18 03:14:32,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:14:32,924 INFO L470 AbstractCegarLoop]: Abstraction has 23972 states and 96174 transitions. [2022-01-18 03:14:32,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:32,924 INFO L276 IsEmpty]: Start isEmpty. Operand 23972 states and 96174 transitions. [2022-01-18 03:14:32,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:14:32,973 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:14:32,973 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] [2022-01-18 03:14:32,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-01-18 03:14:32,973 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:14:32,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:14:32,974 INFO L85 PathProgramCache]: Analyzing trace with hash -753275713, now seen corresponding path program 152 times [2022-01-18 03:14:32,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:14:32,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199212655] [2022-01-18 03:14:32,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:14:32,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:14:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:14:33,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:14:33,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:14:33,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199212655] [2022-01-18 03:14:33,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199212655] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:14:33,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:14:33,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:14:33,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569413192] [2022-01-18 03:14:33,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:14:33,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:14:33,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:14:33,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:14:33,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:14:33,632 INFO L87 Difference]: Start difference. First operand 23972 states and 96174 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:35,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:14:35,647 INFO L93 Difference]: Finished difference Result 61828 states and 242439 transitions. [2022-01-18 03:14:35,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:14:35,647 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:14:35,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:14:35,892 INFO L225 Difference]: With dead ends: 61828 [2022-01-18 03:14:35,892 INFO L226 Difference]: Without dead ends: 61225 [2022-01-18 03:14:35,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=236, Invalid=520, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:14:35,892 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 850 mSDsluCounter, 3147 mSDsCounter, 0 mSdLazyCounter, 1343 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 2982 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:14:35,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [850 Valid, 2982 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1343 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:14:35,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61225 states. [2022-01-18 03:14:36,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61225 to 23924. [2022-01-18 03:14:36,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23924 states, 23923 states have (on average 4.013794256573172) internal successors, (96022), 23923 states have internal predecessors, (96022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:37,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23924 states to 23924 states and 96022 transitions. [2022-01-18 03:14:37,038 INFO L78 Accepts]: Start accepts. Automaton has 23924 states and 96022 transitions. Word has length 117 [2022-01-18 03:14:37,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:14:37,039 INFO L470 AbstractCegarLoop]: Abstraction has 23924 states and 96022 transitions. [2022-01-18 03:14:37,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:37,039 INFO L276 IsEmpty]: Start isEmpty. Operand 23924 states and 96022 transitions. [2022-01-18 03:14:37,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:14:37,093 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:14:37,093 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:14:37,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-01-18 03:14:37,093 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:14:37,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:14:37,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1880145449, now seen corresponding path program 153 times [2022-01-18 03:14:37,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:14:37,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280193080] [2022-01-18 03:14:37,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:14:37,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:14:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:14:37,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:14:37,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:14:37,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280193080] [2022-01-18 03:14:37,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280193080] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:14:37,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:14:37,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:14:37,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632201943] [2022-01-18 03:14:37,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:14:37,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:14:37,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:14:37,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:14:37,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:14:37,684 INFO L87 Difference]: Start difference. First operand 23924 states and 96022 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:39,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:14:39,383 INFO L93 Difference]: Finished difference Result 60943 states and 239398 transitions. [2022-01-18 03:14:39,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:14:39,384 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:14:39,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:14:39,933 INFO L225 Difference]: With dead ends: 60943 [2022-01-18 03:14:39,933 INFO L226 Difference]: Without dead ends: 60349 [2022-01-18 03:14:39,933 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=239, Invalid=517, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:14:39,933 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 752 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 2925 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:14:39,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [752 Valid, 2925 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:14:40,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60349 states. [2022-01-18 03:14:40,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60349 to 24032. [2022-01-18 03:14:40,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24032 states, 24031 states have (on average 4.012608713744746) internal successors, (96427), 24031 states have internal predecessors, (96427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:40,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24032 states to 24032 states and 96427 transitions. [2022-01-18 03:14:40,689 INFO L78 Accepts]: Start accepts. Automaton has 24032 states and 96427 transitions. Word has length 117 [2022-01-18 03:14:40,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:14:40,689 INFO L470 AbstractCegarLoop]: Abstraction has 24032 states and 96427 transitions. [2022-01-18 03:14:40,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:40,689 INFO L276 IsEmpty]: Start isEmpty. Operand 24032 states and 96427 transitions. [2022-01-18 03:14:40,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:14:40,733 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:14:40,733 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:14:40,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-01-18 03:14:40,734 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:14:40,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:14:40,734 INFO L85 PathProgramCache]: Analyzing trace with hash -820134355, now seen corresponding path program 154 times [2022-01-18 03:14:40,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:14:40,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237208818] [2022-01-18 03:14:40,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:14:40,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:14:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:14:41,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:14:41,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:14:41,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237208818] [2022-01-18 03:14:41,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237208818] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:14:41,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:14:41,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:14:41,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996763410] [2022-01-18 03:14:41,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:14:41,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:14:41,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:14:41,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:14:41,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:14:41,399 INFO L87 Difference]: Start difference. First operand 24032 states and 96427 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:43,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:14:43,350 INFO L93 Difference]: Finished difference Result 60904 states and 239242 transitions. [2022-01-18 03:14:43,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:14:43,350 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:14:43,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:14:43,551 INFO L225 Difference]: With dead ends: 60904 [2022-01-18 03:14:43,552 INFO L226 Difference]: Without dead ends: 60313 [2022-01-18 03:14:43,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=238, Invalid=518, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:14:43,552 INFO L933 BasicCegarLoop]: 341 mSDtfsCounter, 760 mSDsluCounter, 2923 mSDsCounter, 0 mSdLazyCounter, 1205 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 2798 SdHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-18 03:14:43,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [760 Valid, 2798 Invalid, 1245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1205 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-18 03:14:43,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60313 states. [2022-01-18 03:14:44,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60313 to 23996. [2022-01-18 03:14:44,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23996 states, 23995 states have (on average 4.012502604709314) internal successors, (96280), 23995 states have internal predecessors, (96280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:44,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23996 states to 23996 states and 96280 transitions. [2022-01-18 03:14:44,620 INFO L78 Accepts]: Start accepts. Automaton has 23996 states and 96280 transitions. Word has length 117 [2022-01-18 03:14:44,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:14:44,620 INFO L470 AbstractCegarLoop]: Abstraction has 23996 states and 96280 transitions. [2022-01-18 03:14:44,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:44,620 INFO L276 IsEmpty]: Start isEmpty. Operand 23996 states and 96280 transitions. [2022-01-18 03:14:44,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:14:44,665 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:14:44,665 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:14:44,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-01-18 03:14:44,665 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:14:44,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:14:44,666 INFO L85 PathProgramCache]: Analyzing trace with hash 969884415, now seen corresponding path program 155 times [2022-01-18 03:14:44,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:14:44,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785004177] [2022-01-18 03:14:44,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:14:44,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:14:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:14:45,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:14:45,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:14:45,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785004177] [2022-01-18 03:14:45,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785004177] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:14:45,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:14:45,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:14:45,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182643160] [2022-01-18 03:14:45,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:14:45,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:14:45,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:14:45,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:14:45,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:14:45,248 INFO L87 Difference]: Start difference. First operand 23996 states and 96280 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:47,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:14:47,322 INFO L93 Difference]: Finished difference Result 60526 states and 238063 transitions. [2022-01-18 03:14:47,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:14:47,323 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:14:47,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:14:47,539 INFO L225 Difference]: With dead ends: 60526 [2022-01-18 03:14:47,539 INFO L226 Difference]: Without dead ends: 59683 [2022-01-18 03:14:47,539 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=240, Invalid=516, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:14:47,539 INFO L933 BasicCegarLoop]: 341 mSDtfsCounter, 669 mSDsluCounter, 3296 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 3099 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-18 03:14:47,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [669 Valid, 3099 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-18 03:14:47,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59683 states. [2022-01-18 03:14:48,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59683 to 23924. [2022-01-18 03:14:48,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23924 states, 23923 states have (on average 4.012791037913305) internal successors, (95998), 23923 states have internal predecessors, (95998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:48,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23924 states to 23924 states and 95998 transitions. [2022-01-18 03:14:48,723 INFO L78 Accepts]: Start accepts. Automaton has 23924 states and 95998 transitions. Word has length 117 [2022-01-18 03:14:48,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:14:48,723 INFO L470 AbstractCegarLoop]: Abstraction has 23924 states and 95998 transitions. [2022-01-18 03:14:48,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:48,723 INFO L276 IsEmpty]: Start isEmpty. Operand 23924 states and 95998 transitions. [2022-01-18 03:14:48,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:14:48,771 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:14:48,771 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:14:48,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-01-18 03:14:48,771 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:14:48,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:14:48,771 INFO L85 PathProgramCache]: Analyzing trace with hash 585257431, now seen corresponding path program 156 times [2022-01-18 03:14:48,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:14:48,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70076985] [2022-01-18 03:14:48,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:14:48,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:14:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:14:49,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:14:49,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:14:49,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70076985] [2022-01-18 03:14:49,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70076985] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:14:49,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:14:49,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:14:49,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838936689] [2022-01-18 03:14:49,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:14:49,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:14:49,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:14:49,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:14:49,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:14:49,379 INFO L87 Difference]: Start difference. First operand 23924 states and 95998 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:51,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:14:51,181 INFO L93 Difference]: Finished difference Result 62092 states and 243619 transitions. [2022-01-18 03:14:51,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-01-18 03:14:51,182 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:14:51,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:14:51,766 INFO L225 Difference]: With dead ends: 62092 [2022-01-18 03:14:51,766 INFO L226 Difference]: Without dead ends: 61510 [2022-01-18 03:14:51,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=279, Invalid=591, Unknown=0, NotChecked=0, Total=870 [2022-01-18 03:14:51,766 INFO L933 BasicCegarLoop]: 362 mSDtfsCounter, 843 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 1260 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 843 SdHoareTripleChecker+Valid, 2943 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:14:51,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [843 Valid, 2943 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1260 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:14:51,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61510 states. [2022-01-18 03:14:52,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61510 to 24032. [2022-01-18 03:14:52,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24032 states, 24031 states have (on average 4.0116100037451625) internal successors, (96403), 24031 states have internal predecessors, (96403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:52,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24032 states to 24032 states and 96403 transitions. [2022-01-18 03:14:52,562 INFO L78 Accepts]: Start accepts. Automaton has 24032 states and 96403 transitions. Word has length 117 [2022-01-18 03:14:52,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:14:52,562 INFO L470 AbstractCegarLoop]: Abstraction has 24032 states and 96403 transitions. [2022-01-18 03:14:52,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:52,562 INFO L276 IsEmpty]: Start isEmpty. Operand 24032 states and 96403 transitions. [2022-01-18 03:14:52,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:14:52,608 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:14:52,608 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] [2022-01-18 03:14:52,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-01-18 03:14:52,608 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:14:52,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:14:52,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1097268691, now seen corresponding path program 157 times [2022-01-18 03:14:52,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:14:52,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357850479] [2022-01-18 03:14:52,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:14:52,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:14:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:14:53,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:14:53,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:14:53,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357850479] [2022-01-18 03:14:53,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357850479] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:14:53,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:14:53,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:14:53,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917442589] [2022-01-18 03:14:53,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:14:53,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:14:53,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:14:53,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:14:53,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:14:53,523 INFO L87 Difference]: Start difference. First operand 24032 states and 96403 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:55,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:14:55,299 INFO L93 Difference]: Finished difference Result 61660 states and 242008 transitions. [2022-01-18 03:14:55,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 03:14:55,299 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:14:55,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:14:55,525 INFO L225 Difference]: With dead ends: 61660 [2022-01-18 03:14:55,525 INFO L226 Difference]: Without dead ends: 61069 [2022-01-18 03:14:55,525 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2022-01-18 03:14:55,525 INFO L933 BasicCegarLoop]: 350 mSDtfsCounter, 743 mSDsluCounter, 3101 mSDsCounter, 0 mSdLazyCounter, 1298 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 2949 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:14:55,526 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [743 Valid, 2949 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1298 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:14:55,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61069 states. [2022-01-18 03:14:56,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61069 to 23996. [2022-01-18 03:14:56,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23996 states, 23995 states have (on average 4.0115023963325696) internal successors, (96256), 23995 states have internal predecessors, (96256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:56,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23996 states to 23996 states and 96256 transitions. [2022-01-18 03:14:56,614 INFO L78 Accepts]: Start accepts. Automaton has 23996 states and 96256 transitions. Word has length 117 [2022-01-18 03:14:56,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:14:56,614 INFO L470 AbstractCegarLoop]: Abstraction has 23996 states and 96256 transitions. [2022-01-18 03:14:56,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:56,614 INFO L276 IsEmpty]: Start isEmpty. Operand 23996 states and 96256 transitions. [2022-01-18 03:14:56,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:14:56,660 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:14:56,660 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:14:56,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-01-18 03:14:56,661 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:14:56,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:14:56,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1311855393, now seen corresponding path program 158 times [2022-01-18 03:14:56,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:14:56,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128920481] [2022-01-18 03:14:56,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:14:56,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:14:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:14:57,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:14:57,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:14:57,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128920481] [2022-01-18 03:14:57,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128920481] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:14:57,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:14:57,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:14:57,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546547833] [2022-01-18 03:14:57,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:14:57,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:14:57,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:14:57,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:14:57,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:14:57,259 INFO L87 Difference]: Start difference. First operand 23996 states and 96256 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:14:59,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:14:59,272 INFO L93 Difference]: Finished difference Result 61066 states and 240019 transitions. [2022-01-18 03:14:59,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 03:14:59,273 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:14:59,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:14:59,472 INFO L225 Difference]: With dead ends: 61066 [2022-01-18 03:14:59,473 INFO L226 Difference]: Without dead ends: 60199 [2022-01-18 03:14:59,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=261, Invalid=551, Unknown=0, NotChecked=0, Total=812 [2022-01-18 03:14:59,473 INFO L933 BasicCegarLoop]: 350 mSDtfsCounter, 667 mSDsluCounter, 3273 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 3088 SdHoareTripleChecker+Invalid, 1414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:14:59,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [667 Valid, 3088 Invalid, 1414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:14:59,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60199 states. [2022-01-18 03:15:00,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60199 to 23900. [2022-01-18 03:15:00,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23900 states, 23899 states have (on average 4.012887568517511) internal successors, (95904), 23899 states have internal predecessors, (95904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:00,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23900 states to 23900 states and 95904 transitions. [2022-01-18 03:15:00,547 INFO L78 Accepts]: Start accepts. Automaton has 23900 states and 95904 transitions. Word has length 117 [2022-01-18 03:15:00,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:15:00,547 INFO L470 AbstractCegarLoop]: Abstraction has 23900 states and 95904 transitions. [2022-01-18 03:15:00,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:00,547 INFO L276 IsEmpty]: Start isEmpty. Operand 23900 states and 95904 transitions. [2022-01-18 03:15:00,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:15:00,591 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:15:00,591 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:15:00,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-01-18 03:15:00,591 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:15:00,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:15:00,592 INFO L85 PathProgramCache]: Analyzing trace with hash 2028473599, now seen corresponding path program 159 times [2022-01-18 03:15:00,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:15:00,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687674433] [2022-01-18 03:15:00,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:15:00,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:15:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:15:01,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:15:01,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:15:01,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687674433] [2022-01-18 03:15:01,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687674433] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:15:01,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:15:01,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:15:01,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513298606] [2022-01-18 03:15:01,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:15:01,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:15:01,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:15:01,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:15:01,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:15:01,181 INFO L87 Difference]: Start difference. First operand 23900 states and 95904 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:02,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:15:02,870 INFO L93 Difference]: Finished difference Result 61123 states and 240111 transitions. [2022-01-18 03:15:02,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:15:02,871 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:15:02,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:15:03,445 INFO L225 Difference]: With dead ends: 61123 [2022-01-18 03:15:03,445 INFO L226 Difference]: Without dead ends: 60136 [2022-01-18 03:15:03,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:15:03,445 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 671 mSDsluCounter, 3199 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 3009 SdHoareTripleChecker+Invalid, 1392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:15:03,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [671 Valid, 3009 Invalid, 1392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:15:03,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60136 states. [2022-01-18 03:15:04,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60136 to 24296. [2022-01-18 03:15:04,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24296 states, 24295 states have (on average 4.008108664334225) internal successors, (97377), 24295 states have internal predecessors, (97377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:04,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24296 states to 24296 states and 97377 transitions. [2022-01-18 03:15:04,243 INFO L78 Accepts]: Start accepts. Automaton has 24296 states and 97377 transitions. Word has length 117 [2022-01-18 03:15:04,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:15:04,243 INFO L470 AbstractCegarLoop]: Abstraction has 24296 states and 97377 transitions. [2022-01-18 03:15:04,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:04,244 INFO L276 IsEmpty]: Start isEmpty. Operand 24296 states and 97377 transitions. [2022-01-18 03:15:04,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:15:04,288 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:15:04,288 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:15:04,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-01-18 03:15:04,289 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:15:04,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:15:04,289 INFO L85 PathProgramCache]: Analyzing trace with hash 659508265, now seen corresponding path program 160 times [2022-01-18 03:15:04,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:15:04,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368513121] [2022-01-18 03:15:04,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:15:04,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:15:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:15:05,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:15:05,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:15:05,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368513121] [2022-01-18 03:15:05,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368513121] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:15:05,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:15:05,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:15:05,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989212600] [2022-01-18 03:15:05,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:15:05,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:15:05,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:15:05,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:15:05,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:15:05,127 INFO L87 Difference]: Start difference. First operand 24296 states and 97377 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:06,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:15:06,707 INFO L93 Difference]: Finished difference Result 61312 states and 240507 transitions. [2022-01-18 03:15:06,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:15:06,707 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:15:06,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:15:06,906 INFO L225 Difference]: With dead ends: 61312 [2022-01-18 03:15:06,906 INFO L226 Difference]: Without dead ends: 60730 [2022-01-18 03:15:06,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:15:06,906 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 945 mSDsluCounter, 2835 mSDsCounter, 0 mSdLazyCounter, 1210 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 945 SdHoareTripleChecker+Valid, 2699 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:15:06,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [945 Valid, 2699 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1210 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:15:07,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60730 states. [2022-01-18 03:15:07,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60730 to 24332. [2022-01-18 03:15:07,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24332 states, 24331 states have (on average 4.006740372364473) internal successors, (97488), 24331 states have internal predecessors, (97488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:07,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24332 states to 24332 states and 97488 transitions. [2022-01-18 03:15:07,999 INFO L78 Accepts]: Start accepts. Automaton has 24332 states and 97488 transitions. Word has length 117 [2022-01-18 03:15:07,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:15:07,999 INFO L470 AbstractCegarLoop]: Abstraction has 24332 states and 97488 transitions. [2022-01-18 03:15:07,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:07,999 INFO L276 IsEmpty]: Start isEmpty. Operand 24332 states and 97488 transitions. [2022-01-18 03:15:08,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:15:08,045 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:15:08,046 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] [2022-01-18 03:15:08,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-01-18 03:15:08,046 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:15:08,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:15:08,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1023017857, now seen corresponding path program 161 times [2022-01-18 03:15:08,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:15:08,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879867025] [2022-01-18 03:15:08,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:15:08,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:15:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:15:08,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:15:08,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:15:08,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879867025] [2022-01-18 03:15:08,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879867025] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:15:08,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:15:08,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:15:08,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704501091] [2022-01-18 03:15:08,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:15:08,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:15:08,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:15:08,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:15:08,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:15:08,667 INFO L87 Difference]: Start difference. First operand 24332 states and 97488 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:10,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:15:10,561 INFO L93 Difference]: Finished difference Result 60727 states and 238539 transitions. [2022-01-18 03:15:10,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:15:10,561 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:15:10,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:15:10,768 INFO L225 Difference]: With dead ends: 60727 [2022-01-18 03:15:10,768 INFO L226 Difference]: Without dead ends: 60028 [2022-01-18 03:15:10,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:15:10,769 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 713 mSDsluCounter, 3087 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 2906 SdHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:15:10,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [713 Valid, 2906 Invalid, 1377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1341 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:15:10,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60028 states. [2022-01-18 03:15:11,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60028 to 24188. [2022-01-18 03:15:11,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24188 states, 24187 states have (on average 4.007772770496548) internal successors, (96936), 24187 states have internal predecessors, (96936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:11,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24188 states to 24188 states and 96936 transitions. [2022-01-18 03:15:11,893 INFO L78 Accepts]: Start accepts. Automaton has 24188 states and 96936 transitions. Word has length 117 [2022-01-18 03:15:11,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:15:11,894 INFO L470 AbstractCegarLoop]: Abstraction has 24188 states and 96936 transitions. [2022-01-18 03:15:11,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:11,894 INFO L276 IsEmpty]: Start isEmpty. Operand 24188 states and 96936 transitions. [2022-01-18 03:15:11,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:15:11,938 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:15:11,938 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:15:11,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-01-18 03:15:11,939 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:15:11,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:15:11,939 INFO L85 PathProgramCache]: Analyzing trace with hash -481361639, now seen corresponding path program 162 times [2022-01-18 03:15:11,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:15:11,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655154083] [2022-01-18 03:15:11,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:15:11,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:15:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:15:12,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:15:12,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:15:12,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655154083] [2022-01-18 03:15:12,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655154083] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:15:12,526 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:15:12,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:15:12,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080962209] [2022-01-18 03:15:12,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:15:12,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:15:12,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:15:12,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:15:12,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:15:12,527 INFO L87 Difference]: Start difference. First operand 24188 states and 96936 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:14,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:15:14,211 INFO L93 Difference]: Finished difference Result 60691 states and 238392 transitions. [2022-01-18 03:15:14,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:15:14,212 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:15:14,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:15:14,789 INFO L225 Difference]: With dead ends: 60691 [2022-01-18 03:15:14,789 INFO L226 Difference]: Without dead ends: 60109 [2022-01-18 03:15:14,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=221, Invalid=481, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:15:14,789 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 717 mSDsluCounter, 2981 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 2818 SdHoareTripleChecker+Invalid, 1313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:15:14,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [717 Valid, 2818 Invalid, 1313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1278 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:15:14,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60109 states. [2022-01-18 03:15:15,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60109 to 24296. [2022-01-18 03:15:15,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24296 states, 24295 states have (on average 4.0066268779584275) internal successors, (97341), 24295 states have internal predecessors, (97341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:15,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24296 states to 24296 states and 97341 transitions. [2022-01-18 03:15:15,617 INFO L78 Accepts]: Start accepts. Automaton has 24296 states and 97341 transitions. Word has length 117 [2022-01-18 03:15:15,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:15:15,617 INFO L470 AbstractCegarLoop]: Abstraction has 24296 states and 97341 transitions. [2022-01-18 03:15:15,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:15,617 INFO L276 IsEmpty]: Start isEmpty. Operand 24296 states and 97341 transitions. [2022-01-18 03:15:15,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:15:15,667 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:15:15,667 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:15:15,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-01-18 03:15:15,667 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:15:15,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:15:15,668 INFO L85 PathProgramCache]: Analyzing trace with hash 2131079535, now seen corresponding path program 163 times [2022-01-18 03:15:15,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:15:15,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9780557] [2022-01-18 03:15:15,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:15:15,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:15:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:15:16,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:15:16,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:15:16,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9780557] [2022-01-18 03:15:16,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9780557] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:15:16,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:15:16,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:15:16,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853183571] [2022-01-18 03:15:16,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:15:16,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:15:16,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:15:16,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:15:16,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:15:16,505 INFO L87 Difference]: Start difference. First operand 24296 states and 97341 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:18,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:15:18,101 INFO L93 Difference]: Finished difference Result 60664 states and 238266 transitions. [2022-01-18 03:15:18,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:15:18,101 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:15:18,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:15:18,303 INFO L225 Difference]: With dead ends: 60664 [2022-01-18 03:15:18,304 INFO L226 Difference]: Without dead ends: 60073 [2022-01-18 03:15:18,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=221, Invalid=481, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:15:18,304 INFO L933 BasicCegarLoop]: 328 mSDtfsCounter, 829 mSDsluCounter, 2705 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 2588 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-18 03:15:18,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [829 Valid, 2588 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-18 03:15:18,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60073 states. [2022-01-18 03:15:19,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60073 to 24260. [2022-01-18 03:15:19,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24260 states, 24259 states have (on average 4.006513046704316) internal successors, (97194), 24259 states have internal predecessors, (97194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:19,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24260 states to 24260 states and 97194 transitions. [2022-01-18 03:15:19,356 INFO L78 Accepts]: Start accepts. Automaton has 24260 states and 97194 transitions. Word has length 117 [2022-01-18 03:15:19,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:15:19,356 INFO L470 AbstractCegarLoop]: Abstraction has 24260 states and 97194 transitions. [2022-01-18 03:15:19,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:19,356 INFO L276 IsEmpty]: Start isEmpty. Operand 24260 states and 97194 transitions. [2022-01-18 03:15:19,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:15:19,403 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:15:19,403 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:15:19,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-01-18 03:15:19,404 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:15:19,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:15:19,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1916492833, now seen corresponding path program 164 times [2022-01-18 03:15:19,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:15:19,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515467715] [2022-01-18 03:15:19,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:15:19,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:15:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:15:20,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:15:20,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:15:20,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515467715] [2022-01-18 03:15:20,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515467715] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:15:20,046 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:15:20,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:15:20,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961272963] [2022-01-18 03:15:20,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:15:20,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:15:20,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:15:20,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:15:20,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:15:20,047 INFO L87 Difference]: Start difference. First operand 24260 states and 97194 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:21,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:15:21,904 INFO L93 Difference]: Finished difference Result 60070 states and 236277 transitions. [2022-01-18 03:15:21,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:15:21,904 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:15:21,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:15:22,186 INFO L225 Difference]: With dead ends: 60070 [2022-01-18 03:15:22,186 INFO L226 Difference]: Without dead ends: 58795 [2022-01-18 03:15:22,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=223, Invalid=479, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:15:22,187 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 630 mSDsluCounter, 3003 mSDsCounter, 0 mSdLazyCounter, 1244 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 630 SdHoareTripleChecker+Valid, 2848 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:15:22,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [630 Valid, 2848 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1244 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:15:22,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58795 states. [2022-01-18 03:15:22,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58795 to 23756. [2022-01-18 03:15:22,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23756 states, 23755 states have (on average 4.015828246684908) internal successors, (95396), 23755 states have internal predecessors, (95396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:23,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23756 states to 23756 states and 95396 transitions. [2022-01-18 03:15:23,358 INFO L78 Accepts]: Start accepts. Automaton has 23756 states and 95396 transitions. Word has length 117 [2022-01-18 03:15:23,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:15:23,358 INFO L470 AbstractCegarLoop]: Abstraction has 23756 states and 95396 transitions. [2022-01-18 03:15:23,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:23,358 INFO L276 IsEmpty]: Start isEmpty. Operand 23756 states and 95396 transitions. [2022-01-18 03:15:23,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:15:23,404 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:15:23,404 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] [2022-01-18 03:15:23,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-01-18 03:15:23,404 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:15:23,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:15:23,404 INFO L85 PathProgramCache]: Analyzing trace with hash -330487075, now seen corresponding path program 165 times [2022-01-18 03:15:23,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:15:23,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224396521] [2022-01-18 03:15:23,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:15:23,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:15:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:15:24,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:15:24,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:15:24,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224396521] [2022-01-18 03:15:24,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224396521] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:15:24,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:15:24,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:15:24,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513572342] [2022-01-18 03:15:24,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:15:24,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:15:24,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:15:24,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:15:24,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:15:24,035 INFO L87 Difference]: Start difference. First operand 23756 states and 95396 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:25,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:15:25,658 INFO L93 Difference]: Finished difference Result 58213 states and 229207 transitions. [2022-01-18 03:15:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:15:25,658 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:15:25,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:15:26,181 INFO L225 Difference]: With dead ends: 58213 [2022-01-18 03:15:26,181 INFO L226 Difference]: Without dead ends: 57226 [2022-01-18 03:15:26,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=219, Invalid=483, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:15:26,181 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 686 mSDsluCounter, 3070 mSDsCounter, 0 mSdLazyCounter, 1304 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 2903 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:15:26,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [686 Valid, 2903 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1304 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:15:26,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57226 states. [2022-01-18 03:15:26,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57226 to 24344. [2022-01-18 03:15:26,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24344 states, 24343 states have (on average 4.0082569937969845) internal successors, (97573), 24343 states have internal predecessors, (97573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:26,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24344 states to 24344 states and 97573 transitions. [2022-01-18 03:15:26,968 INFO L78 Accepts]: Start accepts. Automaton has 24344 states and 97573 transitions. Word has length 117 [2022-01-18 03:15:26,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:15:26,968 INFO L470 AbstractCegarLoop]: Abstraction has 24344 states and 97573 transitions. [2022-01-18 03:15:26,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:26,968 INFO L276 IsEmpty]: Start isEmpty. Operand 24344 states and 97573 transitions. [2022-01-18 03:15:27,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:15:27,015 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:15:27,015 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:15:27,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-01-18 03:15:27,015 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:15:27,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:15:27,016 INFO L85 PathProgramCache]: Analyzing trace with hash 641065821, now seen corresponding path program 166 times [2022-01-18 03:15:27,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:15:27,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008039910] [2022-01-18 03:15:27,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:15:27,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:15:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:15:27,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:15:27,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:15:27,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008039910] [2022-01-18 03:15:27,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008039910] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:15:27,641 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:15:27,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:15:27,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491289431] [2022-01-18 03:15:27,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:15:27,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:15:27,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:15:27,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:15:27,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:15:27,642 INFO L87 Difference]: Start difference. First operand 24344 states and 97573 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:29,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:15:29,607 INFO L93 Difference]: Finished difference Result 58402 states and 229603 transitions. [2022-01-18 03:15:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:15:29,607 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:15:29,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:15:29,809 INFO L225 Difference]: With dead ends: 58402 [2022-01-18 03:15:29,809 INFO L226 Difference]: Without dead ends: 57820 [2022-01-18 03:15:29,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=219, Invalid=483, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:15:29,809 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 786 mSDsluCounter, 3178 mSDsCounter, 0 mSdLazyCounter, 1357 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 786 SdHoareTripleChecker+Valid, 2992 SdHoareTripleChecker+Invalid, 1395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-01-18 03:15:29,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [786 Valid, 2992 Invalid, 1395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1357 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-01-18 03:15:29,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57820 states. [2022-01-18 03:15:30,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57820 to 24380. [2022-01-18 03:15:30,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24380 states, 24379 states have (on average 4.00689117683252) internal successors, (97684), 24379 states have internal predecessors, (97684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:30,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24380 states to 24380 states and 97684 transitions. [2022-01-18 03:15:30,898 INFO L78 Accepts]: Start accepts. Automaton has 24380 states and 97684 transitions. Word has length 117 [2022-01-18 03:15:30,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:15:30,898 INFO L470 AbstractCegarLoop]: Abstraction has 24380 states and 97684 transitions. [2022-01-18 03:15:30,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:30,898 INFO L276 IsEmpty]: Start isEmpty. Operand 24380 states and 97684 transitions. [2022-01-18 03:15:30,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:15:30,949 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:15:30,949 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:15:30,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-01-18 03:15:30,949 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:15:30,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:15:30,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1130934579, now seen corresponding path program 167 times [2022-01-18 03:15:30,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:15:30,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500444671] [2022-01-18 03:15:30,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:15:30,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:15:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:15:31,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:15:31,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:15:31,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500444671] [2022-01-18 03:15:31,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500444671] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:15:31,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:15:31,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:15:31,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171443419] [2022-01-18 03:15:31,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:15:31,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:15:31,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:15:31,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:15:31,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:15:31,582 INFO L87 Difference]: Start difference. First operand 24380 states and 97684 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:33,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:15:33,480 INFO L93 Difference]: Finished difference Result 57817 states and 227635 transitions. [2022-01-18 03:15:33,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:15:33,480 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:15:33,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:15:33,725 INFO L225 Difference]: With dead ends: 57817 [2022-01-18 03:15:33,726 INFO L226 Difference]: Without dead ends: 57118 [2022-01-18 03:15:33,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=219, Invalid=483, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:15:33,726 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 703 mSDsluCounter, 2941 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 703 SdHoareTripleChecker+Valid, 2788 SdHoareTripleChecker+Invalid, 1315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:15:33,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [703 Valid, 2788 Invalid, 1315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1279 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:15:33,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57118 states. [2022-01-18 03:15:34,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57118 to 24236. [2022-01-18 03:15:34,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24236 states, 24235 states have (on average 4.007922426243037) internal successors, (97132), 24235 states have internal predecessors, (97132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:34,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24236 states to 24236 states and 97132 transitions. [2022-01-18 03:15:34,554 INFO L78 Accepts]: Start accepts. Automaton has 24236 states and 97132 transitions. Word has length 117 [2022-01-18 03:15:34,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:15:34,554 INFO L470 AbstractCegarLoop]: Abstraction has 24236 states and 97132 transitions. [2022-01-18 03:15:34,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:34,554 INFO L276 IsEmpty]: Start isEmpty. Operand 24236 states and 97132 transitions. [2022-01-18 03:15:34,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:15:34,938 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:15:34,939 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:15:34,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-01-18 03:15:34,939 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:15:34,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:15:34,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1748745285, now seen corresponding path program 168 times [2022-01-18 03:15:34,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:15:34,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552956417] [2022-01-18 03:15:34,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:15:34,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:15:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:15:35,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:15:35,594 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:15:35,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552956417] [2022-01-18 03:15:35,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552956417] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:15:35,594 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:15:35,594 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:15:35,594 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076171055] [2022-01-18 03:15:35,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:15:35,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:15:35,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:15:35,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:15:35,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:15:35,595 INFO L87 Difference]: Start difference. First operand 24236 states and 97132 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:37,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:15:37,350 INFO L93 Difference]: Finished difference Result 58321 states and 229468 transitions. [2022-01-18 03:15:37,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-18 03:15:37,350 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:15:37,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:15:37,546 INFO L225 Difference]: With dead ends: 58321 [2022-01-18 03:15:37,547 INFO L226 Difference]: Without dead ends: 57739 [2022-01-18 03:15:37,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=262, Invalid=550, Unknown=0, NotChecked=0, Total=812 [2022-01-18 03:15:37,547 INFO L933 BasicCegarLoop]: 356 mSDtfsCounter, 694 mSDsluCounter, 3221 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 3068 SdHoareTripleChecker+Invalid, 1319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:15:37,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [694 Valid, 3068 Invalid, 1319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:15:37,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57739 states. [2022-01-18 03:15:38,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57739 to 24344. [2022-01-18 03:15:38,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24344 states, 24343 states have (on average 4.006778129236331) internal successors, (97537), 24343 states have internal predecessors, (97537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:38,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24344 states to 24344 states and 97537 transitions. [2022-01-18 03:15:38,608 INFO L78 Accepts]: Start accepts. Automaton has 24344 states and 97537 transitions. Word has length 117 [2022-01-18 03:15:38,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:15:38,608 INFO L470 AbstractCegarLoop]: Abstraction has 24344 states and 97537 transitions. [2022-01-18 03:15:38,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:38,608 INFO L276 IsEmpty]: Start isEmpty. Operand 24344 states and 97537 transitions. [2022-01-18 03:15:38,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:15:38,655 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:15:38,655 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:15:38,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-01-18 03:15:38,655 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:15:38,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:15:38,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1258876527, now seen corresponding path program 169 times [2022-01-18 03:15:38,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:15:38,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745814089] [2022-01-18 03:15:38,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:15:38,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:15:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:15:39,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:15:39,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:15:39,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745814089] [2022-01-18 03:15:39,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745814089] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:15:39,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:15:39,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:15:39,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462536468] [2022-01-18 03:15:39,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:15:39,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:15:39,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:15:39,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:15:39,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:15:39,282 INFO L87 Difference]: Start difference. First operand 24344 states and 97537 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:41,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:15:41,077 INFO L93 Difference]: Finished difference Result 58294 states and 229342 transitions. [2022-01-18 03:15:41,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:15:41,078 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:15:41,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:15:41,273 INFO L225 Difference]: With dead ends: 58294 [2022-01-18 03:15:41,273 INFO L226 Difference]: Without dead ends: 57703 [2022-01-18 03:15:41,273 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=242, Invalid=514, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:15:41,274 INFO L933 BasicCegarLoop]: 344 mSDtfsCounter, 736 mSDsluCounter, 3056 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 736 SdHoareTripleChecker+Valid, 2898 SdHoareTripleChecker+Invalid, 1332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:15:41,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [736 Valid, 2898 Invalid, 1332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:15:41,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57703 states. [2022-01-18 03:15:42,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57703 to 24308. [2022-01-18 03:15:42,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24308 states, 24307 states have (on average 4.006664746780762) internal successors, (97390), 24307 states have internal predecessors, (97390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:42,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24308 states to 24308 states and 97390 transitions. [2022-01-18 03:15:42,333 INFO L78 Accepts]: Start accepts. Automaton has 24308 states and 97390 transitions. Word has length 117 [2022-01-18 03:15:42,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:15:42,334 INFO L470 AbstractCegarLoop]: Abstraction has 24308 states and 97390 transitions. [2022-01-18 03:15:42,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:42,334 INFO L276 IsEmpty]: Start isEmpty. Operand 24308 states and 97390 transitions. [2022-01-18 03:15:42,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:15:42,381 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:15:42,381 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:15:42,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-01-18 03:15:42,381 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:15:42,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:15:42,381 INFO L85 PathProgramCache]: Analyzing trace with hash 2124136643, now seen corresponding path program 170 times [2022-01-18 03:15:42,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:15:42,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845694548] [2022-01-18 03:15:42,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:15:42,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:15:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:15:43,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:15:43,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:15:43,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845694548] [2022-01-18 03:15:43,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845694548] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:15:43,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:15:43,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:15:43,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475689583] [2022-01-18 03:15:43,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:15:43,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:15:43,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:15:43,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:15:43,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:15:43,014 INFO L87 Difference]: Start difference. First operand 24308 states and 97390 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:45,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:15:45,061 INFO L93 Difference]: Finished difference Result 57700 states and 227353 transitions. [2022-01-18 03:15:45,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-18 03:15:45,061 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:15:45,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:15:45,274 INFO L225 Difference]: With dead ends: 57700 [2022-01-18 03:15:45,274 INFO L226 Difference]: Without dead ends: 56425 [2022-01-18 03:15:45,274 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=244, Invalid=512, Unknown=0, NotChecked=0, Total=756 [2022-01-18 03:15:45,274 INFO L933 BasicCegarLoop]: 344 mSDtfsCounter, 644 mSDsluCounter, 3028 mSDsCounter, 0 mSdLazyCounter, 1287 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 2871 SdHoareTripleChecker+Invalid, 1322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:15:45,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [644 Valid, 2871 Invalid, 1322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1287 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:15:45,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56425 states. [2022-01-18 03:15:45,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56425 to 23804. [2022-01-18 03:15:45,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23804 states, 23803 states have (on average 4.013611729613914) internal successors, (95536), 23803 states have internal predecessors, (95536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:46,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23804 states to 23804 states and 95536 transitions. [2022-01-18 03:15:46,046 INFO L78 Accepts]: Start accepts. Automaton has 23804 states and 95536 transitions. Word has length 117 [2022-01-18 03:15:46,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:15:46,046 INFO L470 AbstractCegarLoop]: Abstraction has 23804 states and 95536 transitions. [2022-01-18 03:15:46,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:46,046 INFO L276 IsEmpty]: Start isEmpty. Operand 23804 states and 95536 transitions. [2022-01-18 03:15:46,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:15:46,092 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:15:46,092 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:15:46,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-01-18 03:15:46,093 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:15:46,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:15:46,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1991293655, now seen corresponding path program 171 times [2022-01-18 03:15:46,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:15:46,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081928488] [2022-01-18 03:15:46,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:15:46,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:15:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:15:46,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:15:46,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:15:46,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081928488] [2022-01-18 03:15:46,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081928488] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:15:46,896 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:15:46,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:15:46,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977442732] [2022-01-18 03:15:46,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:15:46,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:15:46,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:15:46,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:15:46,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:15:46,896 INFO L87 Difference]: Start difference. First operand 23804 states and 95536 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:48,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:15:48,583 INFO L93 Difference]: Finished difference Result 57751 states and 227492 transitions. [2022-01-18 03:15:48,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:15:48,583 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:15:48,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:15:48,780 INFO L225 Difference]: With dead ends: 57751 [2022-01-18 03:15:48,781 INFO L226 Difference]: Without dead ends: 56764 [2022-01-18 03:15:48,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=216, Invalid=486, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:15:48,781 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 684 mSDsluCounter, 3183 mSDsCounter, 0 mSdLazyCounter, 1367 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 3003 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:15:48,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [684 Valid, 3003 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1367 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:15:48,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56764 states. [2022-01-18 03:15:49,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56764 to 24071. [2022-01-18 03:15:49,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24071 states, 24070 states have (on average 4.009638554216868) internal successors, (96512), 24070 states have internal predecessors, (96512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:49,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24071 states to 24071 states and 96512 transitions. [2022-01-18 03:15:49,801 INFO L78 Accepts]: Start accepts. Automaton has 24071 states and 96512 transitions. Word has length 117 [2022-01-18 03:15:49,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:15:49,801 INFO L470 AbstractCegarLoop]: Abstraction has 24071 states and 96512 transitions. [2022-01-18 03:15:49,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:49,801 INFO L276 IsEmpty]: Start isEmpty. Operand 24071 states and 96512 transitions. [2022-01-18 03:15:49,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:15:49,846 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:15:49,846 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:15:49,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-01-18 03:15:49,846 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:15:49,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:15:49,847 INFO L85 PathProgramCache]: Analyzing trace with hash 79882795, now seen corresponding path program 172 times [2022-01-18 03:15:49,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:15:49,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534851620] [2022-01-18 03:15:49,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:15:49,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:15:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:15:50,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:15:50,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:15:50,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534851620] [2022-01-18 03:15:50,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534851620] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:15:50,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:15:50,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:15:50,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042633931] [2022-01-18 03:15:50,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:15:50,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:15:50,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:15:50,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:15:50,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:15:50,567 INFO L87 Difference]: Start difference. First operand 24071 states and 96512 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:52,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:15:52,422 INFO L93 Difference]: Finished difference Result 57985 states and 228008 transitions. [2022-01-18 03:15:52,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:15:52,423 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:15:52,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:15:52,625 INFO L225 Difference]: With dead ends: 57985 [2022-01-18 03:15:52,625 INFO L226 Difference]: Without dead ends: 57403 [2022-01-18 03:15:52,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:15:52,625 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 822 mSDsluCounter, 3165 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 822 SdHoareTripleChecker+Valid, 2999 SdHoareTripleChecker+Invalid, 1328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:15:52,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [822 Valid, 2999 Invalid, 1328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1290 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:15:52,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57403 states. [2022-01-18 03:15:53,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57403 to 24116. [2022-01-18 03:15:53,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24116 states, 24115 states have (on average 4.007754509641302) internal successors, (96647), 24115 states have internal predecessors, (96647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:53,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24116 states to 24116 states and 96647 transitions. [2022-01-18 03:15:53,776 INFO L78 Accepts]: Start accepts. Automaton has 24116 states and 96647 transitions. Word has length 117 [2022-01-18 03:15:53,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:15:53,776 INFO L470 AbstractCegarLoop]: Abstraction has 24116 states and 96647 transitions. [2022-01-18 03:15:53,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:53,776 INFO L276 IsEmpty]: Start isEmpty. Operand 24116 states and 96647 transitions. [2022-01-18 03:15:53,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:15:53,823 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:15:53,823 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:15:53,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-01-18 03:15:53,823 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:15:53,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:15:53,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1738417351, now seen corresponding path program 173 times [2022-01-18 03:15:53,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:15:53,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562012806] [2022-01-18 03:15:53,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:15:53,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:15:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:15:54,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:15:54,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:15:54,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562012806] [2022-01-18 03:15:54,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562012806] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:15:54,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:15:54,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:15:54,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155511674] [2022-01-18 03:15:54,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:15:54,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:15:54,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:15:54,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:15:54,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:15:54,454 INFO L87 Difference]: Start difference. First operand 24116 states and 96647 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:56,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:15:56,123 INFO L93 Difference]: Finished difference Result 57400 states and 226031 transitions. [2022-01-18 03:15:56,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:15:56,123 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:15:56,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:15:56,691 INFO L225 Difference]: With dead ends: 57400 [2022-01-18 03:15:56,691 INFO L226 Difference]: Without dead ends: 56629 [2022-01-18 03:15:56,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:15:56,692 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 743 mSDsluCounter, 2860 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 2729 SdHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:15:56,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [743 Valid, 2729 Invalid, 1245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:15:56,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56629 states. [2022-01-18 03:15:57,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56629 to 23936. [2022-01-18 03:15:57,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23936 states, 23935 states have (on average 4.013829120534782) internal successors, (96071), 23935 states have internal predecessors, (96071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:57,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23936 states to 23936 states and 96071 transitions. [2022-01-18 03:15:57,731 INFO L78 Accepts]: Start accepts. Automaton has 23936 states and 96071 transitions. Word has length 117 [2022-01-18 03:15:57,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:15:57,731 INFO L470 AbstractCegarLoop]: Abstraction has 23936 states and 96071 transitions. [2022-01-18 03:15:57,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:15:57,731 INFO L276 IsEmpty]: Start isEmpty. Operand 23936 states and 96071 transitions. [2022-01-18 03:15:57,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:15:57,777 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:15:57,777 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] [2022-01-18 03:15:57,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-01-18 03:15:57,777 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:15:57,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:15:57,784 INFO L85 PathProgramCache]: Analyzing trace with hash -23163657, now seen corresponding path program 174 times [2022-01-18 03:15:57,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:15:57,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284475531] [2022-01-18 03:15:57,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:15:57,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:15:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:15:58,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:15:58,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:15:58,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284475531] [2022-01-18 03:15:58,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284475531] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:15:58,364 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:15:58,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:15:58,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978144542] [2022-01-18 03:15:58,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:15:58,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:15:58,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:15:58,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:15:58,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:15:58,365 INFO L87 Difference]: Start difference. First operand 23936 states and 96071 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:16:00,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:16:00,310 INFO L93 Difference]: Finished difference Result 58453 states and 229841 transitions. [2022-01-18 03:16:00,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:16:00,311 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:16:00,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:16:00,504 INFO L225 Difference]: With dead ends: 58453 [2022-01-18 03:16:00,504 INFO L226 Difference]: Without dead ends: 57466 [2022-01-18 03:16:00,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:16:00,504 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 742 mSDsluCounter, 3157 mSDsCounter, 0 mSdLazyCounter, 1363 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 742 SdHoareTripleChecker+Valid, 2971 SdHoareTripleChecker+Invalid, 1401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:16:00,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [742 Valid, 2971 Invalid, 1401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1363 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:16:00,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57466 states. [2022-01-18 03:16:01,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57466 to 24044. [2022-01-18 03:16:01,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24044 states, 24043 states have (on average 4.0096493781973965) internal successors, (96404), 24043 states have internal predecessors, (96404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:16:01,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24044 states to 24044 states and 96404 transitions. [2022-01-18 03:16:01,595 INFO L78 Accepts]: Start accepts. Automaton has 24044 states and 96404 transitions. Word has length 117 [2022-01-18 03:16:01,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:16:01,595 INFO L470 AbstractCegarLoop]: Abstraction has 24044 states and 96404 transitions. [2022-01-18 03:16:01,595 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:16:01,595 INFO L276 IsEmpty]: Start isEmpty. Operand 24044 states and 96404 transitions. [2022-01-18 03:16:01,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:16:01,642 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:16:01,642 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:16:01,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-01-18 03:16:01,642 INFO L402 AbstractCegarLoop]: === Iteration 175 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:16:01,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:16:01,643 INFO L85 PathProgramCache]: Analyzing trace with hash 505888119, now seen corresponding path program 175 times [2022-01-18 03:16:01,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:16:01,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874788170] [2022-01-18 03:16:01,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:16:01,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:16:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:16:02,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:16:02,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:16:02,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874788170] [2022-01-18 03:16:02,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874788170] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:16:02,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:16:02,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:16:02,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206772346] [2022-01-18 03:16:02,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:16:02,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:16:02,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:16:02,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:16:02,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:16:02,251 INFO L87 Difference]: Start difference. First operand 24044 states and 96404 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:16:04,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:16:04,224 INFO L93 Difference]: Finished difference Result 58057 states and 228305 transitions. [2022-01-18 03:16:04,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:16:04,224 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:16:04,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:16:04,460 INFO L225 Difference]: With dead ends: 58057 [2022-01-18 03:16:04,460 INFO L226 Difference]: Without dead ends: 57475 [2022-01-18 03:16:04,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:16:04,461 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 842 mSDsluCounter, 2837 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 2711 SdHoareTripleChecker+Invalid, 1236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:16:04,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [842 Valid, 2711 Invalid, 1236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-18 03:16:04,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57475 states. [2022-01-18 03:16:05,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57475 to 24080. [2022-01-18 03:16:05,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24080 states, 24079 states have (on average 4.008264462809917) internal successors, (96515), 24079 states have internal predecessors, (96515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:16:05,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24080 states to 24080 states and 96515 transitions. [2022-01-18 03:16:05,283 INFO L78 Accepts]: Start accepts. Automaton has 24080 states and 96515 transitions. Word has length 117 [2022-01-18 03:16:05,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 03:16:05,283 INFO L470 AbstractCegarLoop]: Abstraction has 24080 states and 96515 transitions. [2022-01-18 03:16:05,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:16:05,283 INFO L276 IsEmpty]: Start isEmpty. Operand 24080 states and 96515 transitions. [2022-01-18 03:16:05,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-01-18 03:16:05,331 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 03:16:05,331 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 03:16:05,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-01-18 03:16:05,331 INFO L402 AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-18 03:16:05,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 03:16:05,332 INFO L85 PathProgramCache]: Analyzing trace with hash 995756877, now seen corresponding path program 176 times [2022-01-18 03:16:05,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 03:16:05,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492856642] [2022-01-18 03:16:05,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 03:16:05,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 03:16:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 03:16:06,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 03:16:06,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 03:16:06,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492856642] [2022-01-18 03:16:06,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492856642] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 03:16:06,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 03:16:06,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-18 03:16:06,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576837672] [2022-01-18 03:16:06,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 03:16:06,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-01-18 03:16:06,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 03:16:06,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-01-18 03:16:06,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-01-18 03:16:06,244 INFO L87 Difference]: Start difference. First operand 24080 states and 96515 transitions. Second operand has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 03:16:07,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 03:16:07,888 INFO L93 Difference]: Finished difference Result 57472 states and 226337 transitions. [2022-01-18 03:16:07,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-18 03:16:07,889 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.3125) internal successors, (117), 16 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-01-18 03:16:07,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 03:16:08,079 INFO L225 Difference]: With dead ends: 57472 [2022-01-18 03:16:08,080 INFO L226 Difference]: Without dead ends: 56773 [2022-01-18 03:16:08,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2022-01-18 03:16:08,080 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 685 mSDsluCounter, 2950 mSDsCounter, 0 mSdLazyCounter, 1251 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 2804 SdHoareTripleChecker+Invalid, 1288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-18 03:16:08,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [685 Valid, 2804 Invalid, 1288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1251 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] Received shutdown request... [2022-01-18 03:16:08,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56773 states. [2022-01-18 03:16:08,187 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-01-18 03:16:08,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-01-18 03:16:08,187 WARN L594 AbstractCegarLoop]: Verification canceled: while executing MinimizeSevpa. [2022-01-18 03:16:08,188 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-01-18 03:16:08,188 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-01-18 03:16:08,188 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-01-18 03:16:08,189 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-01-18 03:16:08,191 INFO L732 BasicCegarLoop]: Path program histogram: [176] [2022-01-18 03:16:08,192 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 03:16:08,192 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 03:16:08,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 03:16:08 BasicIcfg [2022-01-18 03:16:08,194 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 03:16:08,194 INFO L158 Benchmark]: Toolchain (without parser) took 677577.53ms. Allocated memory was 373.3MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 315.0MB in the beginning and 13.7GB in the end (delta: -13.4GB). Peak memory consumption was 2.2GB. Max. memory is 16.0GB. [2022-01-18 03:16:08,194 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 373.3MB. Free memory is still 332.0MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 03:16:08,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.47ms. Allocated memory was 373.3MB in the beginning and 497.0MB in the end (delta: 123.7MB). Free memory was 314.9MB in the beginning and 465.4MB in the end (delta: -150.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. [2022-01-18 03:16:08,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.47ms. Allocated memory is still 497.0MB. Free memory was 465.4MB in the beginning and 463.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 03:16:08,194 INFO L158 Benchmark]: Boogie Preprocessor took 22.92ms. Allocated memory is still 497.0MB. Free memory was 463.3MB in the beginning and 462.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 03:16:08,194 INFO L158 Benchmark]: RCFGBuilder took 426.80ms. Allocated memory is still 497.0MB. Free memory was 462.2MB in the beginning and 442.3MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2022-01-18 03:16:08,194 INFO L158 Benchmark]: TraceAbstraction took 676791.04ms. Allocated memory was 497.0MB in the beginning and 16.0GB in the end (delta: 15.5GB). Free memory was 442.3MB in the beginning and 13.7GB in the end (delta: -13.3GB). Peak memory consumption was 2.2GB. Max. memory is 16.0GB. [2022-01-18 03:16:08,195 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 373.3MB. Free memory is still 332.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 292.47ms. Allocated memory was 373.3MB in the beginning and 497.0MB in the end (delta: 123.7MB). Free memory was 314.9MB in the beginning and 465.4MB in the end (delta: -150.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 39.47ms. Allocated memory is still 497.0MB. Free memory was 465.4MB in the beginning and 463.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 22.92ms. Allocated memory is still 497.0MB. Free memory was 463.3MB in the beginning and 462.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 426.80ms. Allocated memory is still 497.0MB. Free memory was 462.2MB in the beginning and 442.3MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * TraceAbstraction took 676791.04ms. Allocated memory was 497.0MB in the beginning and 16.0GB in the end (delta: 15.5GB). Free memory was 442.3MB in the beginning and 13.7GB in the end (delta: -13.3GB). Peak memory consumption was 2.2GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 153]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 144]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 146]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 145]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 143]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 177 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 676.7s, OverallIterations: 176, TraceHistogramMax: 1, PathProgramHistogramMax: 176, EmptinessCheckTime: 11.4s, AutomataDifference: 358.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131951 SdHoareTripleChecker+Valid, 126.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131951 mSDsluCounter, 495401 SdHoareTripleChecker+Invalid, 107.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 521444 mSDsCounter, 6459 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 219717 IncrementalHoareTripleChecker+Invalid, 226176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6459 mSolverCounterUnsat, 59014 mSDtfsCounter, 219717 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5259 GetRequests, 802 SyntacticMatches, 0 SemanticMatches, 4457 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8345 ImplicationChecksByTransitivity, 153.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33672occurred in iteration=0, InterpolantAutomatonStates: 2895, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 176.3s AutomataMinimizationTime, 176 MinimizatonAttempts, 5785591 StatesRemovedByMinimization, 173 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 6.5s SatisfiabilityAnalysisTime, 120.4s InterpolantComputationTime, 20592 NumberOfCodeBlocks, 20592 NumberOfCodeBlocksAsserted, 176 NumberOfCheckSat, 20416 ConstructedInterpolants, 0 QuantifiedInterpolants, 410103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 176 InterpolantComputations, 176 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown [2022-01-18 03:16:08,205 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end