/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/weaver/chl/simpl-str-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-06 16:17:46,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-06 16:17:46,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-06 16:17:46,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-06 16:17:46,890 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-06 16:17:46,917 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-06 16:17:46,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-06 16:17:46,918 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-06 16:17:46,918 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-06 16:17:46,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-06 16:17:46,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-06 16:17:46,920 INFO L138 SettingsManager]: * Use SBE=true [2021-10-06 16:17:46,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-06 16:17:46,920 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-06 16:17:46,920 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-06 16:17:46,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-06 16:17:46,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-06 16:17:46,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-06 16:17:46,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-06 16:17:46,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-06 16:17:46,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-06 16:17:46,921 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-06 16:17:46,922 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-06 16:17:46,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-06 16:17:46,922 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-06 16:17:46,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-06 16:17:46,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-06 16:17:46,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-06 16:17:46,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-06 16:17:46,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 16:17:46,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-06 16:17:46,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-06 16:17:46,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-06 16:17:46,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-06 16:17:46,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-06 16:17:46,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-06 16:17:46,924 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-06 16:17:46,925 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-06 16:17:47,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-06 16:17:47,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-06 16:17:47,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-06 16:17:47,331 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-06 16:17:47,332 INFO L275 PluginConnector]: CDTParser initialized [2021-10-06 16:17:47,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl/simpl-str-trans.wvr.c [2021-10-06 16:17:47,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b909ad40/2f02fd23486640bf81b17128c521c9bc/FLAGf07d21c99 [2021-10-06 16:17:47,974 INFO L306 CDTParser]: Found 1 translation units. [2021-10-06 16:17:47,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/simpl-str-trans.wvr.c [2021-10-06 16:17:47,984 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b909ad40/2f02fd23486640bf81b17128c521c9bc/FLAGf07d21c99 [2021-10-06 16:17:48,324 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b909ad40/2f02fd23486640bf81b17128c521c9bc [2021-10-06 16:17:48,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-06 16:17:48,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-06 16:17:48,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-06 16:17:48,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-06 16:17:48,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-06 16:17:48,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 04:17:48" (1/1) ... [2021-10-06 16:17:48,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f76e44b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:48, skipping insertion in model container [2021-10-06 16:17:48,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 04:17:48" (1/1) ... [2021-10-06 16:17:48,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-06 16:17:48,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-06 16:17:48,605 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/simpl-str-trans.wvr.c[2414,2427] [2021-10-06 16:17:48,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 16:17:48,617 INFO L203 MainTranslator]: Completed pre-run [2021-10-06 16:17:48,642 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/simpl-str-trans.wvr.c[2414,2427] [2021-10-06 16:17:48,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 16:17:48,664 INFO L208 MainTranslator]: Completed translation [2021-10-06 16:17:48,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:48 WrapperNode [2021-10-06 16:17:48,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-06 16:17:48,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-06 16:17:48,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-06 16:17:48,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-06 16:17:48,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:48" (1/1) ... [2021-10-06 16:17:48,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:48" (1/1) ... [2021-10-06 16:17:48,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-06 16:17:48,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-06 16:17:48,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-06 16:17:48,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-06 16:17:48,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:48" (1/1) ... [2021-10-06 16:17:48,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:48" (1/1) ... [2021-10-06 16:17:48,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:48" (1/1) ... [2021-10-06 16:17:48,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:48" (1/1) ... [2021-10-06 16:17:48,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:48" (1/1) ... [2021-10-06 16:17:48,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:48" (1/1) ... [2021-10-06 16:17:48,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:48" (1/1) ... [2021-10-06 16:17:48,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-06 16:17:48,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-06 16:17:48,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-06 16:17:48,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-06 16:17:48,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:48" (1/1) ... [2021-10-06 16:17:48,798 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 16:17:48,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:17:48,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-06 16:17:48,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-06 16:17:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-06 16:17:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-06 16:17:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-06 16:17:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-06 16:17:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-06 16:17:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-06 16:17:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-06 16:17:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-06 16:17:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-06 16:17:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-06 16:17:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-06 16:17:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-06 16:17:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-06 16:17:48,888 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-06 16:17:49,289 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-06 16:17:49,289 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-06 16:17:49,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:17:49 BoogieIcfgContainer [2021-10-06 16:17:49,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-06 16:17:49,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-06 16:17:49,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-06 16:17:49,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-06 16:17:49,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 04:17:48" (1/3) ... [2021-10-06 16:17:49,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659d2f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:17:49, skipping insertion in model container [2021-10-06 16:17:49,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:17:48" (2/3) ... [2021-10-06 16:17:49,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659d2f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:17:49, skipping insertion in model container [2021-10-06 16:17:49,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:17:49" (3/3) ... [2021-10-06 16:17:49,306 INFO L111 eAbstractionObserver]: Analyzing ICFG simpl-str-trans.wvr.c [2021-10-06 16:17:49,312 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-06 16:17:49,312 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-06 16:17:49,312 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-10-06 16:17:49,313 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-06 16:17:49,369 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,369 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,369 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,370 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,370 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,370 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,371 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,371 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,371 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,371 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,371 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,371 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,372 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,372 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,372 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,372 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,373 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,373 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,373 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,373 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,374 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,374 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,374 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,374 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,375 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,375 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,376 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,376 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,376 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,376 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,377 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,377 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,377 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,377 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,377 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,378 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,378 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,378 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,378 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,379 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,379 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,379 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,379 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,380 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,380 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,380 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,380 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,380 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,381 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,382 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,382 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,382 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,382 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,383 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,383 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,383 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,383 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,384 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,384 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,384 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,384 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,384 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,385 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,385 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,385 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,385 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,386 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,386 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,386 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,386 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,387 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,387 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,390 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,391 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,391 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,391 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,391 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,396 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,396 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,397 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,397 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,397 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,399 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,399 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,400 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,400 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,400 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:17:49,410 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-06 16:17:49,525 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-06 16:17:49,532 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-06 16:17:49,532 INFO L340 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2021-10-06 16:17:49,550 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-06 16:17:49,563 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 145 transitions, 314 flow [2021-10-06 16:17:49,566 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 145 places, 145 transitions, 314 flow [2021-10-06 16:17:49,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 145 places, 145 transitions, 314 flow [2021-10-06 16:17:49,658 INFO L129 PetriNetUnfolder]: 10/142 cut-off events. [2021-10-06 16:17:49,659 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-06 16:17:49,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 142 events. 10/142 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 224 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2021-10-06 16:17:49,674 INFO L116 LiptonReduction]: Number of co-enabled transitions 4158 [2021-10-06 16:17:55,404 INFO L131 LiptonReduction]: Checked pairs total: 4559 [2021-10-06 16:17:55,405 INFO L133 LiptonReduction]: Total number of compositions: 162 [2021-10-06 16:17:55,416 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 25 transitions, 74 flow [2021-10-06 16:17:55,441 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 204 states, 178 states have (on average 2.949438202247191) internal successors, (525), 203 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:17:55,445 INFO L276 IsEmpty]: Start isEmpty. Operand has 204 states, 178 states have (on average 2.949438202247191) internal successors, (525), 203 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-06 16:17:55,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-06 16:17:55,452 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 16:17:55,453 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-06 16:17:55,454 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] === [2021-10-06 16:17:55,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:17:55,460 INFO L82 PathProgramCache]: Analyzing trace with hash 579726, now seen corresponding path program 1 times [2021-10-06 16:17:55,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:17:55,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437014271] [2021-10-06 16:17:55,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:17:55,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:17:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-06 16:17:55,593 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-06 16:17:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-06 16:17:55,643 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-06 16:17:55,647 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-06 16:17:55,648 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:55,650 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:55,670 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:55,672 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:55,672 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:55,672 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:55,673 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:55,673 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-06 16:17:55,673 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-06 16:17:55,673 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-06 16:17:55,674 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:55,676 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:55,676 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:55,677 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:55,677 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-06 16:17:55,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-06 16:17:55,695 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-06 16:17:55,695 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-06 16:17:55,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 04:17:55 BasicIcfg [2021-10-06 16:17:55,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-06 16:17:55,725 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-06 16:17:55,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-06 16:17:55,726 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-06 16:17:55,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:17:49" (3/4) ... [2021-10-06 16:17:55,728 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-06 16:17:55,778 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/chl/simpl-str-trans.wvr.c-witness.graphml [2021-10-06 16:17:55,778 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-06 16:17:55,780 INFO L168 Benchmark]: Toolchain (without parser) took 7440.64 ms. Allocated memory was 156.2 MB in the beginning and 203.4 MB in the end (delta: 47.2 MB). Free memory was 132.1 MB in the beginning and 178.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:55,783 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 156.2 MB. Free memory is still 129.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-06 16:17:55,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.94 ms. Allocated memory is still 156.2 MB. Free memory was 131.5 MB in the beginning and 121.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:55,789 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.13 ms. Allocated memory is still 156.2 MB. Free memory was 121.4 MB in the beginning and 119.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:55,791 INFO L168 Benchmark]: Boogie Preprocessor took 53.25 ms. Allocated memory is still 156.2 MB. Free memory was 119.7 MB in the beginning and 118.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:55,791 INFO L168 Benchmark]: RCFGBuilder took 503.67 ms. Allocated memory is still 156.2 MB. Free memory was 118.5 MB in the beginning and 104.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:55,792 INFO L168 Benchmark]: TraceAbstraction took 6428.02 ms. Allocated memory was 156.2 MB in the beginning and 203.4 MB in the end (delta: 47.2 MB). Free memory was 104.2 MB in the beginning and 181.0 MB in the end (delta: -76.7 MB). Peak memory consumption was 82.5 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:55,793 INFO L168 Benchmark]: Witness Printer took 52.97 ms. Allocated memory is still 203.4 MB. Free memory was 181.0 MB in the beginning and 178.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-06 16:17:55,803 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 156.2 MB. Free memory is still 129.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 316.94 ms. Allocated memory is still 156.2 MB. Free memory was 131.5 MB in the beginning and 121.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 66.13 ms. Allocated memory is still 156.2 MB. Free memory was 121.4 MB in the beginning and 119.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 53.25 ms. Allocated memory is still 156.2 MB. Free memory was 119.7 MB in the beginning and 118.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 503.67 ms. Allocated memory is still 156.2 MB. Free memory was 118.5 MB in the beginning and 104.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6428.02 ms. Allocated memory was 156.2 MB in the beginning and 203.4 MB in the end (delta: 47.2 MB). Free memory was 104.2 MB in the beginning and 181.0 MB in the end (delta: -76.7 MB). Peak memory consumption was 82.5 MB. Max. memory is 8.0 GB. * Witness Printer took 52.97 ms. Allocated memory is still 203.4 MB. Free memory was 181.0 MB in the beginning and 178.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5838.8ms, 145 PlacesBefore, 35 PlacesAfterwards, 145 TransitionsBefore, 25 TransitionsAfterwards, 4158 CoEnabledTransitionPairs, 7 FixpointIterations, 53 TrivialSequentialCompositions, 61 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 33 ConcurrentYvCompositions, 10 ChoiceCompositions, 162 TotalNumberOfCompositions, 4559 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4559, positive: 4559, positive conditional: 0, positive unconditional: 4559, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3259, positive: 3259, positive conditional: 0, positive unconditional: 3259, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3259, positive: 3259, positive conditional: 0, positive unconditional: 3259, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4559, positive: 1300, positive conditional: 0, positive unconditional: 1300, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3259, unknown conditional: 0, unknown unconditional: 3259] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 0, Positive unconditional cache size: 60, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L38] 0 int length_0, to_int_1, length_2, to_int_3, length_4, to_int_5, result_6, result_7, result_8; [L53] 0 pthread_t t1, t2, t3; [L56] 0 length_0 = __VERIFIER_nondet_int() [L57] 0 to_int_1 = __VERIFIER_nondet_int() [L58] 0 length_2 = __VERIFIER_nondet_int() [L59] 0 to_int_3 = __VERIFIER_nondet_int() [L60] 0 length_4 = __VERIFIER_nondet_int() [L61] 0 to_int_5 = __VERIFIER_nondet_int() [L64] FCALL, FORK 0 pthread_create(&t1, NULL, thread1, NULL) VAL [length_0=1, length_2=1, length_4=0, result_6=0, result_7=0, result_8=0, to_int_1=-2147483648, to_int_3=1, to_int_5=0] [L41] 1 length_0 == 0 ? (length_2 == 0 ? 0 : 1) : (length_2 == 0 ? -1 : to_int_1 - to_int_3) [L41] 1 length_2 == 0 ? -1 : to_int_1 - to_int_3 [L41] 1 to_int_1 - to_int_3 VAL [length_0=1, length_2=1, length_4=0, result_6=0, result_7=0, result_8=0, to_int_1=-2147483648, to_int_3=1, to_int_5=0] - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: 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: 65]: 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: 66]: 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 7 procedures, 196 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 6164.5ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 10.6ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5909.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=204occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.2ms SsaConstructionTime, 40.4ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 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! [2021-10-06 16:17:55,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...