/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-BasicCegarLoop.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-10 01:52:49,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 01:52:49,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 01:52:49,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 01:52:49,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 01:52:49,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 01:52:49,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 01:52:49,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 01:52:49,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 01:52:49,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 01:52:49,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 01:52:49,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 01:52:49,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 01:52:49,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 01:52:49,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 01:52:49,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 01:52:49,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-10 01:52:49,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 01:52:49,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 01:52:49,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 01:52:49,664 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-MCRwithDepranks-BasicCegarLoop.epf [2022-02-10 01:52:49,684 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 01:52:49,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 01:52:49,684 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 01:52:49,685 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 01:52:49,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 01:52:49,685 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 01:52:49,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 01:52:49,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 01:52:49,686 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 01:52:49,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 01:52:49,687 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 01:52:49,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 01:52:49,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 01:52:49,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 01:52:49,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 01:52:49,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 01:52:49,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 01:52:49,687 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 01:52:49,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 01:52:49,687 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 01:52:49,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 01:52:49,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 01:52:49,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 01:52:49,688 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 01:52:49,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 01:52:49,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 01:52:49,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 01:52:49,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 01:52:49,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 01:52:49,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 01:52:49,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 01:52:49,689 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 01:52:49,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 01:52:49,689 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-10 01:52:49,689 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 01:52:49,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 01:52:49,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 01:52:49,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 01:52:49,904 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 01:52:49,905 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 01:52:49,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-02-10 01:52:49,949 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2712bf307/a65bbfa114294c398a491405e9a3c9e7/FLAG617b922e4 [2022-02-10 01:52:50,386 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 01:52:50,387 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2022-02-10 01:52:50,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2712bf307/a65bbfa114294c398a491405e9a3c9e7/FLAG617b922e4 [2022-02-10 01:52:50,418 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2712bf307/a65bbfa114294c398a491405e9a3c9e7 [2022-02-10 01:52:50,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 01:52:50,424 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 01:52:50,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 01:52:50,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 01:52:50,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 01:52:50,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 01:52:50" (1/1) ... [2022-02-10 01:52:50,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f43b043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:50, skipping insertion in model container [2022-02-10 01:52:50,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 01:52:50" (1/1) ... [2022-02-10 01:52:50,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 01:52:50,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 01:52:50,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i[1094,1107] [2022-02-10 01:52:50,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 01:52:50,838 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 01:52:50,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_true.i[1094,1107] [2022-02-10 01:52:50,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 01:52:50,940 INFO L208 MainTranslator]: Completed translation [2022-02-10 01:52:50,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:50 WrapperNode [2022-02-10 01:52:50,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 01:52:50,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 01:52:50,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 01:52:50,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 01:52:50,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:50" (1/1) ... [2022-02-10 01:52:50,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:50" (1/1) ... [2022-02-10 01:52:50,991 INFO L137 Inliner]: procedures = 354, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2022-02-10 01:52:50,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 01:52:50,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 01:52:50,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 01:52:50,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 01:52:50,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:50" (1/1) ... [2022-02-10 01:52:50,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:50" (1/1) ... [2022-02-10 01:52:51,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:50" (1/1) ... [2022-02-10 01:52:51,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:50" (1/1) ... [2022-02-10 01:52:51,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:50" (1/1) ... [2022-02-10 01:52:51,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:50" (1/1) ... [2022-02-10 01:52:51,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:50" (1/1) ... [2022-02-10 01:52:51,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 01:52:51,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 01:52:51,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 01:52:51,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 01:52:51,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:50" (1/1) ... [2022-02-10 01:52:51,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 01:52:51,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 01:52:51,058 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) [2022-02-10 01:52:51,060 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 [2022-02-10 01:52:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-02-10 01:52:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-02-10 01:52:51,095 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-02-10 01:52:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-02-10 01:52:51,095 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-02-10 01:52:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 01:52:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 01:52:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 01:52:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 01:52:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 01:52:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 01:52:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 01:52:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 01:52:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 01:52:51,098 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 01:52:51,382 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 01:52:51,384 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 01:52:51,575 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 01:52:51,583 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 01:52:51,583 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 01:52:51,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:52:51 BoogieIcfgContainer [2022-02-10 01:52:51,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 01:52:51,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 01:52:51,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 01:52:51,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 01:52:51,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 01:52:50" (1/3) ... [2022-02-10 01:52:51,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd8549a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 01:52:51, skipping insertion in model container [2022-02-10 01:52:51,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:52:50" (2/3) ... [2022-02-10 01:52:51,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cd8549a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 01:52:51, skipping insertion in model container [2022-02-10 01:52:51,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:52:51" (3/3) ... [2022-02-10 01:52:51,594 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2022-02-10 01:52:51,597 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 01:52:51,598 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 01:52:51,598 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 01:52:51,598 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 01:52:51,627 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,628 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,628 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,628 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,628 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,628 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,628 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,629 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,629 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,629 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,630 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,630 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,630 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,630 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,630 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,631 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,631 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,631 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,631 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,632 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,632 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,632 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,632 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,633 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,633 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,633 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,634 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,634 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,634 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,634 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,635 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,635 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,635 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,635 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,635 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,635 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,635 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,636 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,636 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,636 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,636 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,636 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,636 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,638 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,638 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,640 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,640 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,640 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,641 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,641 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,648 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,648 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,648 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,649 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,649 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,651 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,651 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,651 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,652 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,652 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,652 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,652 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,653 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,653 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 01:52:51,666 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-10 01:52:51,695 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 01:52:51,700 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, mLazyFiniteAutomaton=false, 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 [2022-02-10 01:52:51,700 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-10 01:52:51,708 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 101 places, 95 transitions, 206 flow [2022-02-10 01:52:51,782 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 664 states, 662 states have (on average 2.308157099697885) internal successors, (1528), 663 states have internal predecessors, (1528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:52,274 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5439 transitions and produced 2312 states. [2022-02-10 01:52:52,299 INFO L276 IsEmpty]: Start isEmpty. Operand has 2312 states, 1833 states have (on average 1.2782324058919803) internal successors, (2343), 2311 states have internal predecessors, (2343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:52,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-10 01:52:52,315 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 01:52:52,316 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] [2022-02-10 01:52:52,316 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-10 01:52:52,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 01:52:52,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1366006769, now seen corresponding path program 1 times [2022-02-10 01:52:52,331 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 01:52:52,331 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623343897] [2022-02-10 01:52:52,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 01:52:52,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 01:52:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 01:52:52,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 01:52:52,695 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 01:52:52,695 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623343897] [2022-02-10 01:52:52,696 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623343897] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 01:52:52,696 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 01:52:52,697 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 01:52:52,699 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098612870] [2022-02-10 01:52:52,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 01:52:52,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-10 01:52:52,701 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 01:52:52,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-10 01:52:52,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-10 01:52:52,753 INFO L87 Difference]: Start difference. First operand has 2312 states, 1833 states have (on average 1.2782324058919803) internal successors, (2343), 2311 states have internal predecessors, (2343), 0 states have call successors, (0), 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 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:52,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 01:52:52,895 INFO L93 Difference]: Finished difference Result 2056 states and 2079 transitions. [2022-02-10 01:52:52,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-10 01:52:52,897 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-02-10 01:52:52,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 01:52:52,911 INFO L225 Difference]: With dead ends: 2056 [2022-02-10 01:52:52,912 INFO L226 Difference]: Without dead ends: 416 [2022-02-10 01:52:52,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-10 01:52:52,917 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 53 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 01:52:52,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 348 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 01:52:52,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2022-02-10 01:52:52,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 212. [2022-02-10 01:52:52,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 208 states have (on average 1.1105769230769231) internal successors, (231), 211 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:52,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 231 transitions. [2022-02-10 01:52:52,963 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 231 transitions. Word has length 53 [2022-02-10 01:52:52,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 01:52:52,963 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 231 transitions. [2022-02-10 01:52:52,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:52,963 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 231 transitions. [2022-02-10 01:52:52,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-02-10 01:52:52,965 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 01:52:52,965 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 01:52:52,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 01:52:52,965 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-10 01:52:52,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 01:52:52,966 INFO L85 PathProgramCache]: Analyzing trace with hash 846759097, now seen corresponding path program 1 times [2022-02-10 01:52:52,966 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 01:52:52,966 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387168263] [2022-02-10 01:52:52,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 01:52:52,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 01:52:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 01:52:53,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 01:52:53,087 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 01:52:53,087 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387168263] [2022-02-10 01:52:53,087 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387168263] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 01:52:53,087 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 01:52:53,087 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 01:52:53,088 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318953871] [2022-02-10 01:52:53,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 01:52:53,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 01:52:53,089 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 01:52:53,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 01:52:53,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 01:52:53,089 INFO L87 Difference]: Start difference. First operand 212 states and 231 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:53,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 01:52:53,111 INFO L93 Difference]: Finished difference Result 148 states and 147 transitions. [2022-02-10 01:52:53,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 01:52:53,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-02-10 01:52:53,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 01:52:53,160 INFO L225 Difference]: With dead ends: 148 [2022-02-10 01:52:53,161 INFO L226 Difference]: Without dead ends: 117 [2022-02-10 01:52:53,161 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 [2022-02-10 01:52:53,162 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 14 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 01:52:53,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 116 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 01:52:53,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-02-10 01:52:53,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2022-02-10 01:52:53,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 113 states have (on average 1.0265486725663717) internal successors, (116), 116 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:53,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 116 transitions. [2022-02-10 01:52:53,166 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 116 transitions. Word has length 65 [2022-02-10 01:52:53,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 01:52:53,166 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 116 transitions. [2022-02-10 01:52:53,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 01:52:53,166 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 116 transitions. [2022-02-10 01:52:53,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-02-10 01:52:53,170 INFO L506 BasicCegarLoop]: Found error trace [2022-02-10 01:52:53,170 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 01:52:53,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 01:52:53,171 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-10 01:52:53,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 01:52:53,171 INFO L85 PathProgramCache]: Analyzing trace with hash 105434808, now seen corresponding path program 1 times [2022-02-10 01:52:53,172 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 01:52:53,173 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336243353] [2022-02-10 01:52:53,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 01:52:53,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 01:52:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 01:52:53,216 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-10 01:52:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-10 01:52:53,271 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-10 01:52:53,271 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-10 01:52:53,272 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-10 01:52:53,273 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-10 01:52:53,273 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-10 01:52:53,273 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-02-10 01:52:53,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 01:52:53,275 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-10 01:52:53,278 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 01:52:53,278 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 01:52:53,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 01:52:53 BasicIcfg [2022-02-10 01:52:53,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 01:52:53,335 INFO L158 Benchmark]: Toolchain (without parser) took 2908.27ms. Allocated memory was 186.6MB in the beginning and 287.3MB in the end (delta: 100.7MB). Free memory was 126.8MB in the beginning and 216.4MB in the end (delta: -89.6MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. [2022-02-10 01:52:53,335 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 145.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 01:52:53,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.51ms. Allocated memory was 186.6MB in the beginning and 287.3MB in the end (delta: 100.7MB). Free memory was 126.6MB in the beginning and 232.5MB in the end (delta: -105.9MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. [2022-02-10 01:52:53,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.27ms. Allocated memory is still 287.3MB. Free memory was 232.5MB in the beginning and 229.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-10 01:52:53,336 INFO L158 Benchmark]: Boogie Preprocessor took 28.63ms. Allocated memory is still 287.3MB. Free memory was 229.3MB in the beginning and 226.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 01:52:53,336 INFO L158 Benchmark]: RCFGBuilder took 563.60ms. Allocated memory is still 287.3MB. Free memory was 226.7MB in the beginning and 209.4MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-02-10 01:52:53,337 INFO L158 Benchmark]: TraceAbstraction took 1745.20ms. Allocated memory is still 287.3MB. Free memory was 208.9MB in the beginning and 216.4MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 01:52:53,338 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 186.6MB. Free memory is still 145.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 515.51ms. Allocated memory was 186.6MB in the beginning and 287.3MB in the end (delta: 100.7MB). Free memory was 126.6MB in the beginning and 232.5MB in the end (delta: -105.9MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.27ms. Allocated memory is still 287.3MB. Free memory was 232.5MB in the beginning and 229.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.63ms. Allocated memory is still 287.3MB. Free memory was 229.3MB in the beginning and 226.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 563.60ms. Allocated memory is still 287.3MB. Free memory was 226.7MB in the beginning and 209.4MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 1745.20ms. Allocated memory is still 287.3MB. Free memory was 208.9MB in the beginning and 216.4MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0 - 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 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1351] 0 int g; VAL [g=0] [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [g=0, mut={4:0}] [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; VAL [cond={5:0}, g=0, mut={4:0}] [L1373] 0 pthread_t t1; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, t1={7:0}] [L1374] 0 pthread_t t2; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, t1={7:0}, t2={6:0}] [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-1, t1={7:0}, t2={6:0}] [L1356] 1 g = 1 VAL [cond={5:0}, g=1, mut={4:0}, ptr={0:0}, ptr={0:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=1, mut={4:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={0:0}, t1={7:0}, t2={6:0}] [L1366] 2 g = 0 VAL [cond={5:0}, g=0, mut={4:0}, ptr={0:0}, ptr={0:0}] [L1358] CALL 1 __VERIFIER_assert(g == 1) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond={5:0}, cond=0, g=0, mut={4:0}, ptr={0:0}, ptr={0:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, cond={5:0}, g=0, mut={4:0}, ptr={0:0}, ptr={0:0}] - UnprovableResult [Line: 1377]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1375]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 127 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.6s, PartialOrderReductionTime: 0.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 464 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 293 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 180 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2312occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 204 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 proved your program to be incorrect! [2022-02-10 01:52:53,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...