/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/concurrent/pthreads/forkMultipleTimes.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 13:00:00,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 13:00:00,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 13:00:00,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 13:00:00,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 13:00:00,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 13:00:00,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 13:00:00,994 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-15 13:00:01,022 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 13:00:01,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 13:00:01,023 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 13:00:01,023 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 13:00:01,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 13:00:01,024 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 13:00:01,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 13:00:01,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 13:00:01,024 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 13:00:01,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 13:00:01,024 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 13:00:01,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 13:00:01,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 13:00:01,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 13:00:01,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 13:00:01,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 13:00:01,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 13:00:01,025 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 13:00:01,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 13:00:01,025 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 13:00:01,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 13:00:01,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 13:00:01,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 13:00:01,026 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 13:00:01,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 13:00:01,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 13:00:01,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 13:00:01,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 13:00:01,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 13:00:01,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 13:00:01,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 13:00:01,026 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 13:00:01,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 13:00:01,027 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-15 13:00:01,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 13:00:01,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 13:00:01,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 13:00:01,218 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 13:00:01,218 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 13:00:01,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2022-02-15 13:00:01,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/887265a9b/e2710a827b0643f48bd64c04a9cf714f/FLAGb88164122 [2022-02-15 13:00:01,646 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 13:00:01,646 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/forkMultipleTimes.c [2022-02-15 13:00:01,646 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-15 13:00:01,647 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-02-15 13:00:01,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/887265a9b/e2710a827b0643f48bd64c04a9cf714f/FLAGb88164122 [2022-02-15 13:00:01,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/887265a9b/e2710a827b0643f48bd64c04a9cf714f [2022-02-15 13:00:01,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 13:00:01,705 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 13:00:01,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 13:00:01,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 13:00:01,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 13:00:01,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:00:01" (1/1) ... [2022-02-15 13:00:01,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b1e2466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:00:01, skipping insertion in model container [2022-02-15 13:00:01,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:00:01" (1/1) ... [2022-02-15 13:00:01,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 13:00:01,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 13:00:01,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 13:00:01,868 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 13:00:01,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 13:00:01,889 INFO L208 MainTranslator]: Completed translation [2022-02-15 13:00:01,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:00:01 WrapperNode [2022-02-15 13:00:01,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 13:00:01,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 13:00:01,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 13:00:01,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 13:00:01,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:00:01" (1/1) ... [2022-02-15 13:00:01,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:00:01" (1/1) ... [2022-02-15 13:00:01,917 INFO L137 Inliner]: procedures = 9, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2022-02-15 13:00:01,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 13:00:01,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 13:00:01,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 13:00:01,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 13:00:01,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:00:01" (1/1) ... [2022-02-15 13:00:01,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:00:01" (1/1) ... [2022-02-15 13:00:01,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:00:01" (1/1) ... [2022-02-15 13:00:01,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:00:01" (1/1) ... [2022-02-15 13:00:01,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:00:01" (1/1) ... [2022-02-15 13:00:01,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:00:01" (1/1) ... [2022-02-15 13:00:01,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:00:01" (1/1) ... [2022-02-15 13:00:01,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 13:00:01,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 13:00:01,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 13:00:01,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 13:00:01,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:00:01" (1/1) ... [2022-02-15 13:00:01,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 13:00:01,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 13:00:01,953 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) [2022-02-15 13:00:01,965 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 [2022-02-15 13:00:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 13:00:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-02-15 13:00:01,989 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-02-15 13:00:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 13:00:01,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 13:00:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 13:00:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 13:00:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 13:00:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 13:00:01,992 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 13:00:02,047 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 13:00:02,048 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 13:00:02,176 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 13:00:02,181 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 13:00:02,181 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-15 13:00:02,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:00:02 BoogieIcfgContainer [2022-02-15 13:00:02,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 13:00:02,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 13:00:02,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 13:00:02,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 13:00:02,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 01:00:01" (1/3) ... [2022-02-15 13:00:02,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137e3114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 01:00:02, skipping insertion in model container [2022-02-15 13:00:02,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:00:01" (2/3) ... [2022-02-15 13:00:02,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137e3114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 01:00:02, skipping insertion in model container [2022-02-15 13:00:02,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:00:02" (3/3) ... [2022-02-15 13:00:02,215 INFO L111 eAbstractionObserver]: Analyzing ICFG forkMultipleTimes.c [2022-02-15 13:00:02,218 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 13:00:02,218 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 13:00:02,218 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 13:00:02,218 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 13:00:02,277 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,277 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,277 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,277 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,278 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,278 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,278 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,278 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,278 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,278 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,278 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,278 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,279 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,279 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,279 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,279 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,279 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,279 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,280 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,280 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,280 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,280 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,280 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,280 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,282 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,282 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,282 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,282 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,282 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,283 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,283 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,283 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,283 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,283 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,283 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,283 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,284 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,284 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,284 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,284 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,284 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,284 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,284 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,285 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,285 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,285 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,285 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,285 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,285 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,285 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,286 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,286 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,286 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,286 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,286 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,292 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,292 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,293 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,293 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,293 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,293 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,293 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,293 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,293 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,294 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,294 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,294 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,294 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,294 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,294 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,294 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,294 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,295 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,295 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,295 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,295 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,295 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,295 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,297 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,297 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,298 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,298 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,298 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,298 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,298 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,298 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,298 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,298 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,299 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,299 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,301 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,301 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,301 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,301 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,301 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,302 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,302 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,303 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,303 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,304 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,304 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,304 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,304 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,304 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,305 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,305 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,305 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,305 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,305 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~x~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,312 WARN L322 ript$VariableManager]: TermVariabe |fooThread1of1ForFork2_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,312 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork2_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 13:00:02,316 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-15 13:00:02,357 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 13:00:02,365 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-15 13:00:02,366 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-15 13:00:02,381 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 94 places, 84 transitions, 192 flow [2022-02-15 13:00:02,547 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3748 states, 3747 states have (on average 3.246063517480651) internal successors, (12163), 3747 states have internal predecessors, (12163), 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) [2022-02-15 13:00:02,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 3748 states, 3747 states have (on average 3.246063517480651) internal successors, (12163), 3747 states have internal predecessors, (12163), 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) [2022-02-15 13:00:02,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-02-15 13:00:02,585 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 13:00:02,586 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 13:00:02,587 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-15 13:00:02,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 13:00:02,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1133857752, now seen corresponding path program 1 times [2022-02-15 13:00:02,597 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 13:00:02,598 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016401719] [2022-02-15 13:00:02,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 13:00:02,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 13:00:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 13:00:02,754 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 13:00:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 13:00:02,860 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-15 13:00:02,863 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 13:00:02,864 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-15 13:00:02,865 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-15 13:00:02,865 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-15 13:00:02,865 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-15 13:00:02,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 13:00:02,868 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-15 13:00:02,871 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 13:00:02,871 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 13:00:02,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 01:00:02 BasicIcfg [2022-02-15 13:00:02,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 13:00:02,944 INFO L158 Benchmark]: Toolchain (without parser) took 1238.86ms. Allocated memory was 194.0MB in the beginning and 232.8MB in the end (delta: 38.8MB). Free memory was 166.6MB in the beginning and 159.8MB in the end (delta: 6.7MB). Peak memory consumption was 45.4MB. Max. memory is 8.0GB. [2022-02-15 13:00:02,944 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 194.0MB. Free memory is still 156.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 13:00:02,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.80ms. Allocated memory is still 194.0MB. Free memory was 166.4MB in the beginning and 166.6MB in the end (delta: -204.2kB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB. [2022-02-15 13:00:02,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.08ms. Allocated memory is still 194.0MB. Free memory was 166.6MB in the beginning and 165.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-15 13:00:02,945 INFO L158 Benchmark]: Boogie Preprocessor took 12.18ms. Allocated memory is still 194.0MB. Free memory was 165.0MB in the beginning and 164.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 13:00:02,946 INFO L158 Benchmark]: RCFGBuilder took 252.31ms. Allocated memory is still 194.0MB. Free memory was 164.0MB in the beginning and 153.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-15 13:00:02,946 INFO L158 Benchmark]: TraceAbstraction took 747.05ms. Allocated memory was 194.0MB in the beginning and 232.8MB in the end (delta: 38.8MB). Free memory was 152.4MB in the beginning and 159.8MB in the end (delta: -7.4MB). Peak memory consumption was 30.9MB. Max. memory is 8.0GB. [2022-02-15 13:00:02,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 194.0MB. Free memory is still 156.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 183.80ms. Allocated memory is still 194.0MB. Free memory was 166.4MB in the beginning and 166.6MB in the end (delta: -204.2kB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.08ms. Allocated memory is still 194.0MB. Free memory was 166.6MB in the beginning and 165.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.18ms. Allocated memory is still 194.0MB. Free memory was 165.0MB in the beginning and 164.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 252.31ms. Allocated memory is still 194.0MB. Free memory was 164.0MB in the beginning and 153.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 747.05ms. Allocated memory was 194.0MB in the beginning and 232.8MB in the end (delta: 38.8MB). Free memory was 152.4MB in the beginning and 159.8MB in the end (delta: -7.4MB). Peak memory consumption was 30.9MB. 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: 37]: assertion can be violated assertion can be violated We found a FailurePath: [L13] 0 int counter = 0; VAL [counter=0] [L23] 0 int val = 0; VAL [counter=0, val={6:0}] [L25] 0 pthread_t first_thread_id; VAL [counter=0, first_thread_id={7:0}, val={6:0}] [L26] 0 pthread_t second_thread_id; VAL [counter=0, first_thread_id={7:0}, second_thread_id={8:0}, val={6:0}] [L27] 0 pthread_t third_thread_id; VAL [counter=0, first_thread_id={7:0}, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}] [L29] FCALL, FORK 0 pthread_create(&first_thread_id, NULL, foo, &val) VAL [counter=0, first_thread_id={7:0}, n={6:0}, pthread_create(&first_thread_id, NULL, foo, &val)=-3, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}] [L16] 1 int *x = (int *)n; VAL [counter=0, n={6:0}, n={6:0}, x={6:0}] [L17] EXPR 1 ++counter VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L17] 1 *x = ++counter VAL [++counter=1, counter=1, n={6:0}, n={6:0}, x={6:0}] [L18] 1 return 0; VAL [\result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L30] FCALL, FORK 0 pthread_create(&second_thread_id, NULL, foo, &val) VAL [\result={0:0}, counter=1, first_thread_id={7:0}, n={6:0}, n={6:0}, pthread_create(&second_thread_id, NULL, foo, &val)=-2, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}, x={6:0}] [L16] 2 int *x = (int *)n; VAL [\result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L17] 2 ++counter VAL [++counter=2, \result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L31] FCALL, FORK 0 pthread_create(&third_thread_id, NULL, foo, &val) VAL [++counter=2, \result={0:0}, counter=1, first_thread_id={7:0}, n={6:0}, n={6:0}, pthread_create(&third_thread_id, NULL, foo, &val)=-1, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}, x={6:0}] [L16] 3 int *x = (int *)n; VAL [++counter=2, \result={0:0}, counter=1, n={6:0}, n={6:0}, x={6:0}] [L17] EXPR 3 ++counter VAL [++counter=2, \result={0:0}, counter=2, n={6:0}, n={6:0}, x={6:0}] [L17] 3 *x = ++counter VAL [++counter=2, \result={0:0}, counter=2, n={6:0}, n={6:0}, x={6:0}] [L18] 3 return 0; VAL [++counter=2, \result={0:0}, counter=2, n={6:0}, n={6:0}, x={6:0}] [L33] 0 \read(first_thread_id) VAL [++counter=2, \read(first_thread_id)=-3, \result={0:0}, counter=2, first_thread_id={7:0}, n={6:0}, n={6:0}, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}, x={6:0}] [L33] FCALL, JOIN 1 pthread_join(first_thread_id, NULL) VAL [++counter=2, \read(first_thread_id)=-3, \result={0:0}, counter=2, first_thread_id={7:0}, n={6:0}, n={6:0}, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}, x={6:0}] [L34] 0 \read(second_thread_id) VAL [++counter=2, \read(second_thread_id)=-2, \result={0:0}, counter=2, first_thread_id={7:0}, n={6:0}, n={6:0}, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}, x={6:0}] [L17] EXPR 2 ++counter VAL [++counter=2, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L17] 2 *x = ++counter VAL [++counter=2, \result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L18] 2 return 0; VAL [\result={0:0}, counter=3, n={6:0}, n={6:0}, x={6:0}] [L34] FCALL, JOIN 2 pthread_join(second_thread_id, NULL) VAL [\read(second_thread_id)=-2, \result={0:0}, counter=3, first_thread_id={7:0}, n={6:0}, n={6:0}, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}, x={6:0}] [L35] 0 \read(third_thread_id) VAL [\read(third_thread_id)=-1, \result={0:0}, counter=3, first_thread_id={7:0}, n={6:0}, n={6:0}, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}, x={6:0}] [L35] FCALL, JOIN 3 pthread_join(third_thread_id, NULL) VAL [\read(third_thread_id)=-1, \result={0:0}, counter=3, first_thread_id={7:0}, n={6:0}, n={6:0}, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}, x={6:0}] [L37] FCALL 0 IdentifierExpression[val] VAL [#t~mem10=2, \result={0:0}, counter=3, first_thread_id={7:0}, n={6:0}, n={6:0}, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}, x={6:0}] [L37] 0 CodeAnnotStmt[Assertion] VAL [#t~mem10=2, \result={0:0}, counter=3, first_thread_id={7:0}, n={6:0}, n={6:0}, second_thread_id={8:0}, third_thread_id={5:0}, val={6:0}, x={6:0}] - UnprovableResult [Line: 30]: 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: 31]: 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: 29]: 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, 97 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: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3748occurred 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, 67 NumberOfCodeBlocks, 67 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! [2022-02-15 13:00:02,973 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...