/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-Before.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 04:05:10,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 04:05:10,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 04:05:10,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 04:05:10,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 04:05:10,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 04:05:10,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 04:05:10,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 04:05:10,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 04:05:10,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 04:05:10,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 04:05:10,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 04:05:10,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 04:05:10,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 04:05:10,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 04:05:10,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 04:05:10,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 04:05:10,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 04:05:10,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 04:05:10,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 04:05:10,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 04:05:10,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 04:05:10,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 04:05:10,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 04:05:10,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-19 04:05:10,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 04:05:10,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 04:05:10,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 04:05:10,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 04:05:10,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 04:05:10,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 04:05:10,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 04:05:10,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 04:05:10,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 04:05:10,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 04:05:10,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 04:05:10,928 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-Before.epf [2022-01-19 04:05:10,953 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 04:05:10,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 04:05:10,954 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 04:05:10,954 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 04:05:10,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 04:05:10,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 04:05:10,955 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 04:05:10,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 04:05:10,955 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 04:05:10,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 04:05:10,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 04:05:10,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 04:05:10,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 04:05:10,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 04:05:10,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 04:05:10,956 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 04:05:10,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 04:05:10,956 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 04:05:10,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 04:05:10,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 04:05:10,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 04:05:10,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 04:05:10,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 04:05:10,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 04:05:10,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 04:05:10,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 04:05:10,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 04:05:10,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 04:05:10,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 04:05:10,958 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 04:05:10,959 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 04:05:10,959 INFO L138 SettingsManager]: * When to check the insufficient erros location relative to the other error locations=BEFORE [2022-01-19 04:05:10,959 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 04:05:11,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 04:05:11,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 04:05:11,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 04:05:11,156 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 04:05:11,156 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 04:05:11,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-1.i [2022-01-19 04:05:11,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cc69ce76/61a91bee94e646a7923ee42fbb3741ea/FLAG232d20d82 [2022-01-19 04:05:11,581 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 04:05:11,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i [2022-01-19 04:05:11,597 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cc69ce76/61a91bee94e646a7923ee42fbb3741ea/FLAG232d20d82 [2022-01-19 04:05:11,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cc69ce76/61a91bee94e646a7923ee42fbb3741ea [2022-01-19 04:05:11,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 04:05:11,608 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 04:05:11,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 04:05:11,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 04:05:11,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 04:05:11,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 04:05:11" (1/1) ... [2022-01-19 04:05:11,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61f7683d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:05:11, skipping insertion in model container [2022-01-19 04:05:11,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 04:05:11" (1/1) ... [2022-01-19 04:05:11,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 04:05:11,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 04:05:11,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2022-01-19 04:05:11,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 04:05:11,850 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 04:05:11,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i[30826,30839] [2022-01-19 04:05:11,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 04:05:11,924 INFO L208 MainTranslator]: Completed translation [2022-01-19 04:05:11,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:05:11 WrapperNode [2022-01-19 04:05:11,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 04:05:11,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 04:05:11,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 04:05:11,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 04:05:11,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:05:11" (1/1) ... [2022-01-19 04:05:11,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:05:11" (1/1) ... [2022-01-19 04:05:11,964 INFO L137 Inliner]: procedures = 168, calls = 34, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2022-01-19 04:05:11,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 04:05:11,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 04:05:11,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 04:05:11,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 04:05:11,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:05:11" (1/1) ... [2022-01-19 04:05:11,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:05:11" (1/1) ... [2022-01-19 04:05:11,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:05:11" (1/1) ... [2022-01-19 04:05:11,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:05:11" (1/1) ... [2022-01-19 04:05:11,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:05:11" (1/1) ... [2022-01-19 04:05:11,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:05:11" (1/1) ... [2022-01-19 04:05:11,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:05:11" (1/1) ... [2022-01-19 04:05:11,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 04:05:11,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 04:05:11,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 04:05:11,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 04:05:11,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:05:11" (1/1) ... [2022-01-19 04:05:11,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 04:05:11,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 04:05:12,002 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) [2022-01-19 04:05:12,008 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 [2022-01-19 04:05:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 04:05:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-19 04:05:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-19 04:05:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-19 04:05:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-19 04:05:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 04:05:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-01-19 04:05:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 04:05:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 04:05:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 04:05:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 04:05:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 04:05:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 04:05:12,029 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 04:05:12,116 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 04:05:12,128 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 04:05:12,254 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 04:05:12,259 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 04:05:12,259 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-19 04:05:12,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 04:05:12 BoogieIcfgContainer [2022-01-19 04:05:12,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 04:05:12,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 04:05:12,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 04:05:12,264 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 04:05:12,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 04:05:11" (1/3) ... [2022-01-19 04:05:12,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ef75bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 04:05:12, skipping insertion in model container [2022-01-19 04:05:12,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 04:05:11" (2/3) ... [2022-01-19 04:05:12,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ef75bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 04:05:12, skipping insertion in model container [2022-01-19 04:05:12,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 04:05:12" (3/3) ... [2022-01-19 04:05:12,265 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2022-01-19 04:05:12,268 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 04:05:12,268 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 04:05:12,268 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 04:05:12,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,310 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,311 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,311 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,311 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,311 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,311 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,311 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,311 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,311 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,312 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,312 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,312 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,312 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,312 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,313 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,313 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,313 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,314 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,314 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,314 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,314 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,314 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,315 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,315 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,315 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,316 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,316 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,316 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,316 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,316 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,317 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,317 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,317 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,317 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,317 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,317 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,318 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,318 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,318 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,319 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,319 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,319 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,319 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,319 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,319 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,319 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,320 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,320 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,320 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,320 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,324 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,324 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,324 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,324 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,324 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,324 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,324 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,325 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,326 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,326 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,326 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,327 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,327 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,327 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 04:05:12,333 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-19 04:05:12,377 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 04:05:12,384 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 [2022-01-19 04:05:12,384 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-19 04:05:12,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 93 transitions, 202 flow [2022-01-19 04:05:12,437 INFO L129 PetriNetUnfolder]: 1/91 cut-off events. [2022-01-19 04:05:12,437 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-01-19 04:05:12,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 91 events. 1/91 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 29. Up to 2 conditions per place. [2022-01-19 04:05:12,440 INFO L82 GeneralOperation]: Start removeDead. Operand has 99 places, 93 transitions, 202 flow [2022-01-19 04:05:12,444 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 80 transitions, 172 flow [2022-01-19 04:05:12,468 INFO L129 PetriNetUnfolder]: 0/79 cut-off events. [2022-01-19 04:05:12,468 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-01-19 04:05:12,469 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 04:05:12,469 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 04:05:12,469 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-19 04:05:12,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 04:05:12,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1215155975, now seen corresponding path program 1 times [2022-01-19 04:05:12,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 04:05:12,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341459689] [2022-01-19 04:05:12,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 04:05:12,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 04:05:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-19 04:05:12,659 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-19 04:05:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-19 04:05:12,737 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-19 04:05:12,739 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-19 04:05:12,740 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-01-19 04:05:12,744 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-19 04:05:12,760 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-19 04:05:12,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 04:05:12,763 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-19 04:05:12,766 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-19 04:05:12,766 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-19 04:05:12,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.01 04:05:12 BasicIcfg [2022-01-19 04:05:12,832 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-19 04:05:12,833 INFO L158 Benchmark]: Toolchain (without parser) took 1225.07ms. Allocated memory was 367.0MB in the beginning and 467.7MB in the end (delta: 100.7MB). Free memory was 313.2MB in the beginning and 432.0MB in the end (delta: -118.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.0GB. [2022-01-19 04:05:12,833 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 367.0MB. Free memory is still 331.5MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 04:05:12,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.73ms. Allocated memory is still 367.0MB. Free memory was 313.1MB in the beginning and 331.2MB in the end (delta: -18.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2022-01-19 04:05:12,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.65ms. Allocated memory is still 367.0MB. Free memory was 331.2MB in the beginning and 329.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 04:05:12,834 INFO L158 Benchmark]: Boogie Preprocessor took 14.67ms. Allocated memory is still 367.0MB. Free memory was 329.1MB in the beginning and 327.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 04:05:12,835 INFO L158 Benchmark]: RCFGBuilder took 280.45ms. Allocated memory is still 367.0MB. Free memory was 327.8MB in the beginning and 314.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2022-01-19 04:05:12,835 INFO L158 Benchmark]: TraceAbstraction took 570.91ms. Allocated memory was 367.0MB in the beginning and 467.7MB in the end (delta: 100.7MB). Free memory was 314.4MB in the beginning and 432.0MB in the end (delta: -117.6MB). Peak memory consumption was 42.8MB. Max. memory is 16.0GB. [2022-01-19 04:05:12,837 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 367.0MB. Free memory is still 331.5MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 316.73ms. Allocated memory is still 367.0MB. Free memory was 313.1MB in the beginning and 331.2MB in the end (delta: -18.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 38.65ms. Allocated memory is still 367.0MB. Free memory was 331.2MB in the beginning and 329.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 14.67ms. Allocated memory is still 367.0MB. Free memory was 329.1MB in the beginning and 327.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 280.45ms. Allocated memory is still 367.0MB. Free memory was 327.8MB in the beginning and 314.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 570.91ms. Allocated memory was 367.0MB in the beginning and 467.7MB in the end (delta: 100.7MB). Free memory was 314.4MB in the beginning and 432.0MB in the end (delta: -117.6MB). Peak memory consumption was 42.8MB. 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: 727]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L692] 0 pthread_mutex_t ma, mb; VAL [ma={3:0}, mb={4:0}] [L693] 0 int data1, data2; VAL [data1=0, data2=0, ma={3:0}, mb={4:0}] [L716] 0 pthread_t t1, t2; VAL [data1=0, data2=0, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L719] 0 data1 = 10 VAL [data1=10, data2=0, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L720] 0 data2 = 10 VAL [data1=10, data2=10, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L721] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, pthread_create(&t1, 0, thread1, 0)=-1, t1={6:0}, t2={5:0}] [L722] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, data1=10, data2=10, ma={3:0}, mb={4:0}, pthread_create(&t2, 0, thread2, 0)=0, t1={6:0}, t2={5:0}] [L707] 2 data1+=5 VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=15, data2=10, ma={3:0}, mb={4:0}] [L710] 2 data2-=6 VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=15, data2=4, ma={3:0}, mb={4:0}] [L712] 2 return 0; VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=15, data2=4, ma={3:0}, mb={4:0}] [L697] 1 data1++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=4, ma={3:0}, mb={4:0}] [L700] 1 data2++ VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L702] 1 return 0; VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}] [L723] 0 \read(t1) VAL [\read(t1)=-1, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L723] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\read(t1)=-1, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L724] 0 \read(t2) VAL [\read(t2)=0, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L724] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\read(t2)=0, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L725] COND TRUE 0 data1==16 && data2==5 VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] [L727] 0 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={3:0}, mb={4:0}, t1={6:0}, t2={5:0}] - UnprovableResult [Line: 721]: 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: 722]: 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, 123 locations, 3 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2022-01-19 04:05:12,868 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...