/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-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-18 23:29:47,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 23:29:47,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 23:29:47,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 23:29:47,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 23:29:47,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 23:29:47,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 23:29:47,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 23:29:47,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 23:29:47,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 23:29:47,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 23:29:47,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 23:29:47,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 23:29:47,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 23:29:47,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 23:29:47,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 23:29:47,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 23:29:47,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 23:29:47,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 23:29:47,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 23:29:47,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 23:29:47,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 23:29:47,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 23:29:47,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 23:29:47,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 23:29:47,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 23:29:47,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 23:29:47,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 23:29:47,994 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-PN-NoLbe.epf [2022-01-18 23:29:48,015 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 23:29:48,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 23:29:48,016 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 23:29:48,016 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 23:29:48,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 23:29:48,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 23:29:48,017 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 23:29:48,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 23:29:48,017 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 23:29:48,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 23:29:48,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 23:29:48,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 23:29:48,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 23:29:48,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 23:29:48,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 23:29:48,018 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 23:29:48,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 23:29:48,018 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 23:29:48,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 23:29:48,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 23:29:48,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 23:29:48,019 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 23:29:48,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 23:29:48,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 23:29:48,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 23:29:48,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 23:29:48,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 23:29:48,020 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 23:29:48,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 23:29:48,020 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 23:29:48,020 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-18 23:29:48,021 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 23:29:48,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 23:29:48,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 23:29:48,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 23:29:48,215 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-18 23:29:48,215 INFO L275 PluginConnector]: CDTParser initialized [2022-01-18 23:29:48,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2022-01-18 23:29:48,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5be61159/cc6a87b5f9af46168f5f91abac562000/FLAG0cbc76c34 [2022-01-18 23:29:48,660 INFO L306 CDTParser]: Found 1 translation units. [2022-01-18 23:29:48,660 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_pos.i [2022-01-18 23:29:48,679 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5be61159/cc6a87b5f9af46168f5f91abac562000/FLAG0cbc76c34 [2022-01-18 23:29:48,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5be61159/cc6a87b5f9af46168f5f91abac562000 [2022-01-18 23:29:48,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 23:29:48,693 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-18 23:29:48,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-18 23:29:48,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-18 23:29:48,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-18 23:29:48,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:29:48" (1/1) ... [2022-01-18 23:29:48,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@83890ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:48, skipping insertion in model container [2022-01-18 23:29:48,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.01 11:29:48" (1/1) ... [2022-01-18 23:29:48,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-18 23:29:48,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-18 23:29:48,874 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_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2022-01-18 23:29:48,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 23:29:48,996 INFO L203 MainTranslator]: Completed pre-run [2022-01-18 23:29:49,005 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_41-traces-ex-7_unknown_1_pos.i[1097,1110] [2022-01-18 23:29:49,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-18 23:29:49,060 INFO L208 MainTranslator]: Completed translation [2022-01-18 23:29:49,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:49 WrapperNode [2022-01-18 23:29:49,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-18 23:29:49,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 23:29:49,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 23:29:49,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 23:29:49,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:49" (1/1) ... [2022-01-18 23:29:49,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:49" (1/1) ... [2022-01-18 23:29:49,084 INFO L137 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-01-18 23:29:49,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 23:29:49,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 23:29:49,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 23:29:49,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 23:29:49,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:49" (1/1) ... [2022-01-18 23:29:49,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:49" (1/1) ... [2022-01-18 23:29:49,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:49" (1/1) ... [2022-01-18 23:29:49,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:49" (1/1) ... [2022-01-18 23:29:49,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:49" (1/1) ... [2022-01-18 23:29:49,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:49" (1/1) ... [2022-01-18 23:29:49,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:49" (1/1) ... [2022-01-18 23:29:49,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 23:29:49,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 23:29:49,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 23:29:49,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 23:29:49,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:49" (1/1) ... [2022-01-18 23:29:49,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 23:29:49,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 23:29:49,127 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 23:29:49,138 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 23:29:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-18 23:29:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-18 23:29:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-18 23:29:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-18 23:29:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-01-18 23:29:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-01-18 23:29:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-18 23:29:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-18 23:29:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 23:29:49,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 23:29:49,177 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 23:29:49,238 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 23:29:49,239 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 23:29:49,341 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 23:29:49,345 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 23:29:49,345 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 23:29:49,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:29:49 BoogieIcfgContainer [2022-01-18 23:29:49,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 23:29:49,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 23:29:49,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 23:29:49,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 23:29:49,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.01 11:29:48" (1/3) ... [2022-01-18 23:29:49,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6439ae61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:29:49, skipping insertion in model container [2022-01-18 23:29:49,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.01 11:29:49" (2/3) ... [2022-01-18 23:29:49,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6439ae61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 11:29:49, skipping insertion in model container [2022-01-18 23:29:49,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 11:29:49" (3/3) ... [2022-01-18 23:29:49,351 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_pos.i [2022-01-18 23:29:49,354 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 23:29:49,354 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 23:29:49,354 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 23:29:49,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,372 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,372 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,372 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,372 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,372 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,373 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,374 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,374 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,374 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,374 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,375 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,377 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,377 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,377 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-18 23:29:49,378 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-18 23:29:49,405 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 23:29:49,408 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=false, mAutomataTypeConcurrency=PETRI_NET, 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 23:29:49,408 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 23:29:49,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 66 transitions, 137 flow [2022-01-18 23:29:49,441 INFO L129 PetriNetUnfolder]: 1/65 cut-off events. [2022-01-18 23:29:49,441 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:29:49,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 65 events. 1/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2022-01-18 23:29:49,443 INFO L82 GeneralOperation]: Start removeDead. Operand has 69 places, 66 transitions, 137 flow [2022-01-18 23:29:49,446 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 55 transitions, 113 flow [2022-01-18 23:29:49,459 INFO L129 PetriNetUnfolder]: 0/54 cut-off events. [2022-01-18 23:29:49,459 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-01-18 23:29:49,459 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:29:49,460 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:29:49,460 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:29:49,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:29:49,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1593244809, now seen corresponding path program 1 times [2022-01-18 23:29:49,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:29:49,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571108265] [2022-01-18 23:29:49,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:29:49,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:29:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:29:49,701 INFO 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 23:29:49,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:29:49,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571108265] [2022-01-18 23:29:49,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571108265] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:29:49,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:29:49,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-18 23:29:49,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613245845] [2022-01-18 23:29:49,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:29:49,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-18 23:29:49,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:29:49,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-18 23:29:49,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-18 23:29:49,727 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 66 [2022-01-18 23:29:49,729 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 55 transitions, 113 flow. Second operand has 5 states, 5 states have (on average 57.2) internal successors, (286), 5 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:29:49,729 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:29:49,729 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 66 [2022-01-18 23:29:49,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:29:49,791 INFO L129 PetriNetUnfolder]: 2/71 cut-off events. [2022-01-18 23:29:49,791 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-01-18 23:29:49,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 71 events. 2/71 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 77 event pairs, 0 based on Foata normal form. 2/73 useless extension candidates. Maximal degree in co-relation 52. Up to 6 conditions per place. [2022-01-18 23:29:49,792 INFO L132 encePairwiseOnDemand]: 61/66 looper letters, 5 selfloop transitions, 2 changer transitions 7/62 dead transitions. [2022-01-18 23:29:49,792 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 62 transitions, 155 flow [2022-01-18 23:29:49,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-18 23:29:49,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-18 23:29:49,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 408 transitions. [2022-01-18 23:29:49,809 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8831168831168831 [2022-01-18 23:29:49,810 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 408 transitions. [2022-01-18 23:29:49,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 408 transitions. [2022-01-18 23:29:49,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:29:49,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 408 transitions. [2022-01-18 23:29:49,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 58.285714285714285) internal successors, (408), 7 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:29:49,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 66.0) internal successors, (528), 8 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:29:49,822 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 66.0) internal successors, (528), 8 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:29:49,823 INFO L186 Difference]: Start difference. First operand has 59 places, 55 transitions, 113 flow. Second operand 7 states and 408 transitions. [2022-01-18 23:29:49,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 62 transitions, 155 flow [2022-01-18 23:29:49,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 62 transitions, 154 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-18 23:29:49,829 INFO L242 Difference]: Finished difference. Result has 69 places, 55 transitions, 128 flow [2022-01-18 23:29:49,830 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=128, PETRI_PLACES=69, PETRI_TRANSITIONS=55} [2022-01-18 23:29:49,834 INFO L334 CegarLoopForPetriNet]: 59 programPoint places, 10 predicate places. [2022-01-18 23:29:49,834 INFO L470 AbstractCegarLoop]: Abstraction has has 69 places, 55 transitions, 128 flow [2022-01-18 23:29:49,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 57.2) internal successors, (286), 5 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:29:49,834 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:29:49,834 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:29:49,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 23:29:49,835 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:29:49,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:29:49,836 INFO L85 PathProgramCache]: Analyzing trace with hash 982120582, now seen corresponding path program 1 times [2022-01-18 23:29:49,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:29:49,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008591834] [2022-01-18 23:29:49,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:29:49,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:29:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:29:49,934 INFO 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 23:29:49,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:29:49,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008591834] [2022-01-18 23:29:49,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008591834] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:29:49,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:29:49,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 23:29:49,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932955943] [2022-01-18 23:29:49,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:29:49,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 23:29:49,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:29:49,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 23:29:49,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-18 23:29:49,938 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 66 [2022-01-18 23:29:49,938 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 55 transitions, 128 flow. Second operand has 6 states, 6 states have (on average 47.0) internal successors, (282), 6 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:29:49,938 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:29:49,938 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 66 [2022-01-18 23:29:49,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:29:49,998 INFO L129 PetriNetUnfolder]: 1/69 cut-off events. [2022-01-18 23:29:49,998 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-18 23:29:49,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 69 events. 1/69 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 1 based on Foata normal form. 5/74 useless extension candidates. Maximal degree in co-relation 104. Up to 11 conditions per place. [2022-01-18 23:29:49,999 INFO L132 encePairwiseOnDemand]: 60/66 looper letters, 14 selfloop transitions, 6 changer transitions 0/55 dead transitions. [2022-01-18 23:29:49,999 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 55 transitions, 168 flow [2022-01-18 23:29:49,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 23:29:49,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-18 23:29:49,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 242 transitions. [2022-01-18 23:29:50,000 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2022-01-18 23:29:50,000 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 242 transitions. [2022-01-18 23:29:50,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 242 transitions. [2022-01-18 23:29:50,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:29:50,000 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 242 transitions. [2022-01-18 23:29:50,001 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 48.4) internal successors, (242), 5 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:29:50,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 66.0) internal successors, (396), 6 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:29:50,002 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 66.0) internal successors, (396), 6 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:29:50,002 INFO L186 Difference]: Start difference. First operand has 69 places, 55 transitions, 128 flow. Second operand 5 states and 242 transitions. [2022-01-18 23:29:50,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 55 transitions, 168 flow [2022-01-18 23:29:50,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 55 transitions, 156 flow, removed 4 selfloop flow, removed 6 redundant places. [2022-01-18 23:29:50,003 INFO L242 Difference]: Finished difference. Result has 63 places, 55 transitions, 128 flow [2022-01-18 23:29:50,003 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=128, PETRI_PLACES=63, PETRI_TRANSITIONS=55} [2022-01-18 23:29:50,004 INFO L334 CegarLoopForPetriNet]: 59 programPoint places, 4 predicate places. [2022-01-18 23:29:50,004 INFO L470 AbstractCegarLoop]: Abstraction has has 63 places, 55 transitions, 128 flow [2022-01-18 23:29:50,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 47.0) internal successors, (282), 6 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:29:50,004 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:29:50,005 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:29:50,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 23:29:50,005 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:29:50,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:29:50,005 INFO L85 PathProgramCache]: Analyzing trace with hash -144193612, now seen corresponding path program 2 times [2022-01-18 23:29:50,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:29:50,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372687420] [2022-01-18 23:29:50,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:29:50,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:29:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 23:29:50,083 INFO 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 23:29:50,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 23:29:50,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372687420] [2022-01-18 23:29:50,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372687420] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 23:29:50,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 23:29:50,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-18 23:29:50,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948746238] [2022-01-18 23:29:50,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 23:29:50,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-18 23:29:50,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 23:29:50,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-18 23:29:50,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-18 23:29:50,086 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 66 [2022-01-18 23:29:50,086 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 55 transitions, 128 flow. Second operand has 6 states, 6 states have (on average 47.0) internal successors, (282), 6 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:29:50,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-18 23:29:50,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 66 [2022-01-18 23:29:50,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-18 23:29:50,146 INFO L129 PetriNetUnfolder]: 0/63 cut-off events. [2022-01-18 23:29:50,146 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-01-18 23:29:50,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 63 events. 0/63 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs, 0 based on Foata normal form. 1/64 useless extension candidates. Maximal degree in co-relation 0. Up to 12 conditions per place. [2022-01-18 23:29:50,147 INFO L132 encePairwiseOnDemand]: 61/66 looper letters, 15 selfloop transitions, 5 changer transitions 1/56 dead transitions. [2022-01-18 23:29:50,147 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 56 transitions, 174 flow [2022-01-18 23:29:50,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 23:29:50,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-18 23:29:50,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 242 transitions. [2022-01-18 23:29:50,148 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2022-01-18 23:29:50,148 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 242 transitions. [2022-01-18 23:29:50,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 242 transitions. [2022-01-18 23:29:50,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-18 23:29:50,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 242 transitions. [2022-01-18 23:29:50,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 48.4) internal successors, (242), 5 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:29:50,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 66.0) internal successors, (396), 6 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:29:50,150 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 66.0) internal successors, (396), 6 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:29:50,150 INFO L186 Difference]: Start difference. First operand has 63 places, 55 transitions, 128 flow. Second operand 5 states and 242 transitions. [2022-01-18 23:29:50,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 56 transitions, 174 flow [2022-01-18 23:29:50,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 56 transitions, 166 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-01-18 23:29:50,152 INFO L242 Difference]: Finished difference. Result has 64 places, 55 transitions, 131 flow [2022-01-18 23:29:50,153 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=131, PETRI_PLACES=64, PETRI_TRANSITIONS=55} [2022-01-18 23:29:50,154 INFO L334 CegarLoopForPetriNet]: 59 programPoint places, 5 predicate places. [2022-01-18 23:29:50,155 INFO L470 AbstractCegarLoop]: Abstraction has has 64 places, 55 transitions, 131 flow [2022-01-18 23:29:50,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 47.0) internal successors, (282), 6 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 23:29:50,155 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-18 23:29:50,155 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:29:50,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 23:29:50,155 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 23:29:50,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 23:29:50,156 INFO L85 PathProgramCache]: Analyzing trace with hash -735767419, now seen corresponding path program 1 times [2022-01-18 23:29:50,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 23:29:50,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534612094] [2022-01-18 23:29:50,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 23:29:50,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 23:29:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:29:50,197 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 23:29:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 23:29:50,234 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 23:29:50,234 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 23:29:50,235 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-18 23:29:50,236 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-01-18 23:29:50,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-18 23:29:50,238 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-01-18 23:29:50,241 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 23:29:50,241 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 23:29:50,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 11:29:50 BasicIcfg [2022-01-18 23:29:50,276 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 23:29:50,276 INFO L158 Benchmark]: Toolchain (without parser) took 1583.49ms. Allocated memory was 474.0MB in the beginning and 570.4MB in the end (delta: 96.5MB). Free memory was 417.2MB in the beginning and 425.4MB in the end (delta: -8.2MB). Peak memory consumption was 88.0MB. Max. memory is 16.0GB. [2022-01-18 23:29:50,276 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 474.0MB. Free memory is still 435.4MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 23:29:50,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.79ms. Allocated memory was 474.0MB in the beginning and 570.4MB in the end (delta: 96.5MB). Free memory was 416.9MB in the beginning and 533.4MB in the end (delta: -116.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.0GB. [2022-01-18 23:29:50,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.22ms. Allocated memory is still 570.4MB. Free memory was 533.4MB in the beginning and 531.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 23:29:50,277 INFO L158 Benchmark]: Boogie Preprocessor took 11.95ms. Allocated memory is still 570.4MB. Free memory was 531.3MB in the beginning and 530.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 23:29:50,278 INFO L158 Benchmark]: RCFGBuilder took 249.45ms. Allocated memory is still 570.4MB. Free memory was 530.2MB in the beginning and 515.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2022-01-18 23:29:50,278 INFO L158 Benchmark]: TraceAbstraction took 928.23ms. Allocated memory is still 570.4MB. Free memory was 515.5MB in the beginning and 425.4MB in the end (delta: 90.2MB). Peak memory consumption was 90.2MB. Max. memory is 16.0GB. [2022-01-18 23:29:50,280 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 474.0MB. Free memory is still 435.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 365.79ms. Allocated memory was 474.0MB in the beginning and 570.4MB in the end (delta: 96.5MB). Free memory was 416.9MB in the beginning and 533.4MB in the end (delta: -116.4MB). Peak memory consumption was 9.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 23.22ms. Allocated memory is still 570.4MB. Free memory was 533.4MB in the beginning and 531.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 11.95ms. Allocated memory is still 570.4MB. Free memory was 531.3MB in the beginning and 530.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 249.45ms. Allocated memory is still 570.4MB. Free memory was 530.2MB in the beginning and 515.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 928.23ms. Allocated memory is still 570.4MB. Free memory was 515.5MB in the beginning and 425.4MB in the end (delta: 90.2MB). Peak memory consumption was 90.2MB. 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 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int g = 0; VAL [g=0] [L682] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, g=0] [L683] 0 pthread_mutex_t D = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [A={3:0}, D={4:0}, g=0] [L693] 0 pthread_t id; VAL [A={3:0}, D={4:0}, g=0, id={5:0}] [L694] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, D={4:0}, g=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] 1 g = 17 VAL [A={3:0}, arg={0:0}, arg={0:0}, D={4:0}, g=17] [L698] CALL 0 __VERIFIER_assert(g == 0) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, A={3:0}, arg={0:0}, arg={0:0}, cond=0, D={4:0}, g=17] [L19] 0 reach_error() VAL [\old(cond)=0, A={3:0}, arg={0:0}, arg={0:0}, cond=0, D={4:0}, g=17] - UnprovableResult [Line: 694]: 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 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 11 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=3, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 456 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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! [2022-01-18 23:29:50,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...