/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-18 13:51:48,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 13:51:48,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 13:51:48,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-18 13:51:48,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-18 13:51:48,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-18 13:51:48,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-18 13:51:48,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-18 13:51:48,974 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 13:51:48,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 13:51:48,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 13:51:48,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 13:51:48,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 13:51:48,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 13:51:48,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 13:51:48,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 13:51:48,976 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 13:51:48,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 13:51:48,977 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 13:51:48,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 13:51:48,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 13:51:48,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 13:51:48,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 13:51:48,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 13:51:48,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 13:51:48,978 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 13:51:48,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 13:51:48,978 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 13:51:48,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 13:51:48,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 13:51:48,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 13:51:48,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 13:51:48,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 13:51:48,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 13:51:48,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 13:51:48,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 13:51:48,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 13:51:48,980 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 13:51:48,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 13:51:48,981 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 13:51:48,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 13:51:48,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-18 13:51:49,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 13:51:49,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 13:51:49,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 13:51:49,239 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-18 13:51:49,240 INFO L275 PluginConnector]: CDTParser initialized [2022-02-18 13:51:49,241 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-02-18 13:51:49,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcd24263e/bbb6a9f7ca264c2e998d0ce1d715f56b/FLAG9b91691c1 [2022-02-18 13:51:49,725 INFO L306 CDTParser]: Found 1 translation units. [2022-02-18 13:51:49,726 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-02-18 13:51:49,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcd24263e/bbb6a9f7ca264c2e998d0ce1d715f56b/FLAG9b91691c1 [2022-02-18 13:51:50,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcd24263e/bbb6a9f7ca264c2e998d0ce1d715f56b [2022-02-18 13:51:50,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 13:51:50,048 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-18 13:51:50,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-18 13:51:50,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-18 13:51:50,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-18 13:51:50,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 01:51:50" (1/1) ... [2022-02-18 13:51:50,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@484fc198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:50, skipping insertion in model container [2022-02-18 13:51:50,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 01:51:50" (1/1) ... [2022-02-18 13:51:50,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-18 13:51:50,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-18 13:51:50,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2022-02-18 13:51:50,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 13:51:50,511 INFO L203 MainTranslator]: Completed pre-run [2022-02-18 13:51:50,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2022-02-18 13:51:50,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-18 13:51:50,622 INFO L208 MainTranslator]: Completed translation [2022-02-18 13:51:50,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:50 WrapperNode [2022-02-18 13:51:50,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-18 13:51:50,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 13:51:50,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 13:51:50,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 13:51:50,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:50" (1/1) ... [2022-02-18 13:51:50,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:50" (1/1) ... [2022-02-18 13:51:50,694 INFO L137 Inliner]: procedures = 354, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2022-02-18 13:51:50,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 13:51:50,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 13:51:50,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 13:51:50,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 13:51:50,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:50" (1/1) ... [2022-02-18 13:51:50,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:50" (1/1) ... [2022-02-18 13:51:50,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:50" (1/1) ... [2022-02-18 13:51:50,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:50" (1/1) ... [2022-02-18 13:51:50,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:50" (1/1) ... [2022-02-18 13:51:50,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:50" (1/1) ... [2022-02-18 13:51:50,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:50" (1/1) ... [2022-02-18 13:51:50,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 13:51:50,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 13:51:50,726 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 13:51:50,726 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 13:51:50,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:50" (1/1) ... [2022-02-18 13:51:50,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 13:51:50,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 13:51:50,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-18 13:51:50,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-18 13:51:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2022-02-18 13:51:50,835 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2022-02-18 13:51:50,835 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2022-02-18 13:51:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2022-02-18 13:51:50,836 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2022-02-18 13:51:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-18 13:51:50,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-18 13:51:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-18 13:51:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-18 13:51:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-18 13:51:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-18 13:51:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-18 13:51:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 13:51:50,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 13:51:50,840 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-18 13:51:51,121 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 13:51:51,122 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 13:51:51,255 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 13:51:51,262 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 13:51:51,262 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-18 13:51:51,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:51:51 BoogieIcfgContainer [2022-02-18 13:51:51,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 13:51:51,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 13:51:51,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 13:51:51,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 13:51:51,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 01:51:50" (1/3) ... [2022-02-18 13:51:51,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a01181f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 01:51:51, skipping insertion in model container [2022-02-18 13:51:51,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:51:50" (2/3) ... [2022-02-18 13:51:51,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a01181f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 01:51:51, skipping insertion in model container [2022-02-18 13:51:51,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:51:51" (3/3) ... [2022-02-18 13:51:51,271 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2022-02-18 13:51:51,275 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 13:51:51,276 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 13:51:51,276 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-18 13:51:51,276 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 13:51:51,304 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,304 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,304 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,305 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,305 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,305 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,305 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,305 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,306 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,306 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,306 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,306 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,307 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,307 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,307 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,307 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,308 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,308 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,308 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,308 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,308 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,308 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,309 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,309 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,309 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,309 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,310 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,310 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,310 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,310 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,310 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,311 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,311 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,311 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,311 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,311 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,312 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,312 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,312 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,312 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,312 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,312 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,313 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,313 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,313 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,313 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,314 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,314 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,314 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,314 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,317 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,317 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,318 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,318 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,318 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,318 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,318 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,320 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,321 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,321 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,321 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,321 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,321 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,322 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-18 13:51:51,325 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-18 13:51:51,358 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 13:51:51,364 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-18 13:51:51,364 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-18 13:51:51,374 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 101 places, 95 transitions, 206 flow [2022-02-18 13:51:51,454 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 694 states, 693 states have (on average 2.3593073593073592) internal successors, (1635), 693 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 13:51:51,458 INFO L276 IsEmpty]: Start isEmpty. Operand has 694 states, 693 states have (on average 2.3593073593073592) internal successors, (1635), 693 states have internal predecessors, (1635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-18 13:51:51,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-02-18 13:51:51,469 INFO L506 BasicCegarLoop]: Found error trace [2022-02-18 13:51:51,470 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-18 13:51:51,470 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-18 13:51:51,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 13:51:51,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1499020934, now seen corresponding path program 1 times [2022-02-18 13:51:51,482 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 13:51:51,483 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629793692] [2022-02-18 13:51:51,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 13:51:51,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 13:51:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 13:51:51,721 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-18 13:51:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-18 13:51:51,811 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-18 13:51:51,814 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-18 13:51:51,815 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-18 13:51:51,818 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-18 13:51:51,818 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-18 13:51:51,820 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-02-18 13:51:51,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 13:51:51,832 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-18 13:51:51,837 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-18 13:51:51,837 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-18 13:51:51,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 01:51:51 BasicIcfg [2022-02-18 13:51:51,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-18 13:51:51,899 INFO L158 Benchmark]: Toolchain (without parser) took 1850.77ms. Allocated memory was 181.4MB in the beginning and 278.9MB in the end (delta: 97.5MB). Free memory was 121.8MB in the beginning and 158.4MB in the end (delta: -36.6MB). Peak memory consumption was 61.4MB. Max. memory is 8.0GB. [2022-02-18 13:51:51,899 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 181.4MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 13:51:51,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.79ms. Allocated memory was 181.4MB in the beginning and 278.9MB in the end (delta: 97.5MB). Free memory was 121.5MB in the beginning and 221.8MB in the end (delta: -100.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-18 13:51:51,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.40ms. Allocated memory is still 278.9MB. Free memory was 221.8MB in the beginning and 218.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-18 13:51:51,901 INFO L158 Benchmark]: Boogie Preprocessor took 29.97ms. Allocated memory is still 278.9MB. Free memory was 218.7MB in the beginning and 216.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-18 13:51:51,901 INFO L158 Benchmark]: RCFGBuilder took 538.05ms. Allocated memory is still 278.9MB. Free memory was 216.6MB in the beginning and 199.3MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-02-18 13:51:51,902 INFO L158 Benchmark]: TraceAbstraction took 632.35ms. Allocated memory is still 278.9MB. Free memory was 198.8MB in the beginning and 158.4MB in the end (delta: 40.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. [2022-02-18 13:51:51,904 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 181.4MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 568.79ms. Allocated memory was 181.4MB in the beginning and 278.9MB in the end (delta: 97.5MB). Free memory was 121.5MB in the beginning and 221.8MB in the end (delta: -100.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 71.40ms. Allocated memory is still 278.9MB. Free memory was 221.8MB in the beginning and 218.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.97ms. Allocated memory is still 278.9MB. Free memory was 218.7MB in the beginning and 216.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 538.05ms. Allocated memory is still 278.9MB. Free memory was 216.6MB in the beginning and 199.3MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 632.35ms. Allocated memory is still 278.9MB. Free memory was 198.8MB in the beginning and 158.4MB in the end (delta: 40.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. * 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: [L1351] 0 int g; VAL [g=0] [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [g=0, mut={4:0}] [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; VAL [cond={5:0}, g=0, mut={4:0}] [L1373] 0 pthread_t t1; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, t1={7:0}] [L1374] 0 pthread_t t2; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, t1={7:0}, t2={6:0}] [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-1, ptr={0:0}, t1={7:0}, t2={6:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={0:0}, t1={7:0}, t2={6:0}] [L1365] CALL 2 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 2 !(cond) VAL [\old(cond)=0, cond=0, cond={5:0}, g=0, mut={4:0}, ptr={0:0}] [L19] 2 reach_error() VAL [\old(cond)=0, cond=0, cond={5:0}, g=0, mut={4:0}, ptr={0:0}] - UnprovableResult [Line: 1375]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1377]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 127 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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=694occurred 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, 57 NumberOfCodeBlocks, 57 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! [2022-02-18 13:51:51,933 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...