./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i -s /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 15532e1d1e0db2f5444bcaae30a1cfcc4d7c7af5 ........................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i -s /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 15532e1d1e0db2f5444bcaae30a1cfcc4d7c7af5 ............................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:58:29,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:29,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:29,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:29,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:29,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:29,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:29,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:29,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:29,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:29,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:29,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:29,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:29,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:29,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:29,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:29,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:29,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:29,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:29,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:29,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:29,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:29,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:29,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:29,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:29,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:29,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:29,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:29,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:29,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:29,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:29,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:29,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:29,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:29,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:29,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:29,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:29,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:29,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:29,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:29,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:29,926 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:58:29,936 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:29,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:29,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:29,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:29,938 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:29,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:29,939 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:29,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:29,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:29,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:29,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:58:29,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:58:29,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:58:29,940 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:29,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:29,940 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:29,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:58:29,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:29,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:29,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:58:29,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:58:29,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:29,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:29,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:58:29,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:58:29,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:29,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:58:29,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:58:29,942 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15532e1d1e0db2f5444bcaae30a1cfcc4d7c7af5 [2019-10-22 08:58:29,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:29,983 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:29,987 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:29,988 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:29,989 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:29,989 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i [2019-10-22 08:58:30,038 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/data/6c2366913/9853bf6c47c8437a923ea401016b18b9/FLAG147fe0a96 [2019-10-22 08:58:30,533 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:30,534 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i [2019-10-22 08:58:30,546 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/data/6c2366913/9853bf6c47c8437a923ea401016b18b9/FLAG147fe0a96 [2019-10-22 08:58:31,011 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/data/6c2366913/9853bf6c47c8437a923ea401016b18b9 [2019-10-22 08:58:31,013 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:31,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:31,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:31,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:31,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:31,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:31" (1/1) ... [2019-10-22 08:58:31,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c191d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:31, skipping insertion in model container [2019-10-22 08:58:31,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:31" (1/1) ... [2019-10-22 08:58:31,029 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:31,066 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:31,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:31,431 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:31,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:31,544 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:31,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:31 WrapperNode [2019-10-22 08:58:31,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:31,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:31,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:31,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:31,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:31" (1/1) ... [2019-10-22 08:58:31,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:31" (1/1) ... [2019-10-22 08:58:31,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:31,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:31,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:31,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:31,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:31" (1/1) ... [2019-10-22 08:58:31,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:31" (1/1) ... [2019-10-22 08:58:31,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:31" (1/1) ... [2019-10-22 08:58:31,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:31" (1/1) ... [2019-10-22 08:58:31,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:31" (1/1) ... [2019-10-22 08:58:31,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:31" (1/1) ... [2019-10-22 08:58:31,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:31" (1/1) ... [2019-10-22 08:58:31,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:31,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:31,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:31,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:31,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:58:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 08:58:31,675 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 08:58:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:58:31,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:58:31,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:58:31,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:58:31,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:31,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:31,677 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 08:58:31,816 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-10-22 08:58:31,816 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-10-22 08:58:31,955 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:31,961 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 08:58:31,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:31 BoogieIcfgContainer [2019-10-22 08:58:31,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:31,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:58:31,963 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:58:31,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:58:31,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:58:31" (1/3) ... [2019-10-22 08:58:31,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1a14f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:31, skipping insertion in model container [2019-10-22 08:58:31,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:31" (2/3) ... [2019-10-22 08:58:31,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e1a14f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:31, skipping insertion in model container [2019-10-22 08:58:31,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:31" (3/3) ... [2019-10-22 08:58:31,969 INFO L109 eAbstractionObserver]: Analyzing ICFG 11_fmaxsymopt.i [2019-10-22 08:58:31,999 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,000 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,000 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,000 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,000 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,001 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,001 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,001 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,001 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,001 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,002 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,002 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,002 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,002 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,002 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,002 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,002 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,003 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,003 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,003 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,003 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,003 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,004 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,004 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,004 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,004 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,004 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,004 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,005 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,005 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,005 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,005 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,005 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,006 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,006 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,006 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,006 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,006 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,007 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,007 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,007 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,007 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,007 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,008 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,008 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,008 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,008 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,008 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,008 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,009 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,009 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,009 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,009 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,009 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,010 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:32,016 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 08:58:32,016 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:58:32,023 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-22 08:58:32,032 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-22 08:58:32,052 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:58:32,052 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:58:32,052 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:58:32,052 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:32,052 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:32,052 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:58:32,052 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:32,052 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:58:32,061 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55 places, 61 transitions [2019-10-22 08:58:32,072 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 08:58:32,081 INFO L168 Benchmark]: Toolchain (without parser) took 1065.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -128.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:32,081 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:32,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:32,082 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:32,082 INFO L168 Benchmark]: Boogie Preprocessor took 27.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:32,083 INFO L168 Benchmark]: RCFGBuilder took 343.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:32,084 INFO L168 Benchmark]: TraceAbstraction took 115.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:32,086 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 529.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 343.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 115.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 08:58:34,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:34,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:34,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:34,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:34,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:34,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:34,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:34,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:34,312 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:34,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:34,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:34,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:34,315 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:34,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:34,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:34,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:34,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:34,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:34,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:34,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:34,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:34,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:34,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:34,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:34,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:34,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:34,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:34,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:34,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:34,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:34,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:34,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:34,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:34,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:34,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:34,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:34,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:34,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:34,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:34,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:34,339 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 08:58:34,351 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:34,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:34,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:34,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:34,353 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:34,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:34,354 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:34,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:34,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:34,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:58:34,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:58:34,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:58:34,355 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 08:58:34,355 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 08:58:34,355 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:34,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:34,356 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:34,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:58:34,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:34,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:34,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:58:34,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:58:34,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:34,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:34,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:58:34,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:58:34,357 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 08:58:34,357 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 08:58:34,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:58:34,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 08:58:34,358 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15532e1d1e0db2f5444bcaae30a1cfcc4d7c7af5 [2019-10-22 08:58:34,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:34,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:34,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:34,405 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:34,405 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:34,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/../../sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i [2019-10-22 08:58:34,458 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/data/50125f1df/b4bc3c80578a4501bbc57951b786a762/FLAGd8cc4fa59 [2019-10-22 08:58:34,956 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:34,958 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/sv-benchmarks/c/pthread-ext/11_fmaxsymopt.i [2019-10-22 08:58:34,972 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/data/50125f1df/b4bc3c80578a4501bbc57951b786a762/FLAGd8cc4fa59 [2019-10-22 08:58:35,228 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/data/50125f1df/b4bc3c80578a4501bbc57951b786a762 [2019-10-22 08:58:35,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:35,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:35,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:35,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:35,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:35,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:35" (1/1) ... [2019-10-22 08:58:35,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53421e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:35, skipping insertion in model container [2019-10-22 08:58:35,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:35" (1/1) ... [2019-10-22 08:58:35,250 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:35,298 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:35,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:35,844 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:35,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:35,941 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:35,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:35 WrapperNode [2019-10-22 08:58:35,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:35,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:35,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:35,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:35,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:35" (1/1) ... [2019-10-22 08:58:35,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:35" (1/1) ... [2019-10-22 08:58:36,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:36,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:36,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:36,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:36,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:35" (1/1) ... [2019-10-22 08:58:36,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:35" (1/1) ... [2019-10-22 08:58:36,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:35" (1/1) ... [2019-10-22 08:58:36,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:35" (1/1) ... [2019-10-22 08:58:36,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:35" (1/1) ... [2019-10-22 08:58:36,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:35" (1/1) ... [2019-10-22 08:58:36,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:35" (1/1) ... [2019-10-22 08:58:36,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:36,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:36,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:36,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:36,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_730a8ff6-2741-4e12-a688-afe7153f96dc/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 08:58:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 08:58:36,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 08:58:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:58:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:58:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 08:58:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-10-22 08:58:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:36,133 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 08:58:36,287 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-10-22 08:58:36,288 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-10-22 08:58:36,464 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:36,464 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 08:58:36,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:36 BoogieIcfgContainer [2019-10-22 08:58:36,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:36,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:58:36,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:58:36,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:58:36,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:58:35" (1/3) ... [2019-10-22 08:58:36,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2910e9d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:36, skipping insertion in model container [2019-10-22 08:58:36,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:35" (2/3) ... [2019-10-22 08:58:36,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2910e9d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:36, skipping insertion in model container [2019-10-22 08:58:36,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:36" (3/3) ... [2019-10-22 08:58:36,472 INFO L109 eAbstractionObserver]: Analyzing ICFG 11_fmaxsymopt.i [2019-10-22 08:58:36,499 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,499 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,499 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,500 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,500 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,500 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,501 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,501 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,501 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,501 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,502 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,502 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,502 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,502 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,502 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,502 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,502 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,502 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,502 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,503 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,503 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,503 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,503 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,503 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,503 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,503 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,503 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,504 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,504 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,504 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,504 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,504 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,504 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,505 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,505 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,505 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,505 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,505 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,506 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,506 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,506 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,506 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,506 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,506 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,507 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,507 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,507 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,507 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~my_max~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,507 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,507 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,508 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,508 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,508 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,508 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:36,515 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 08:58:36,515 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:58:36,522 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-22 08:58:36,533 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-22 08:58:36,551 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:58:36,551 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:58:36,551 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:58:36,551 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:36,552 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:36,552 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:58:36,552 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:36,552 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:58:36,560 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 60 transitions [2019-10-22 08:58:36,571 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 08:58:36,575 INFO L168 Benchmark]: Toolchain (without parser) took 1342.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:36,575 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:36,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -193.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:36,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:36,577 INFO L168 Benchmark]: Boogie Preprocessor took 61.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:36,577 INFO L168 Benchmark]: RCFGBuilder took 397.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:36,578 INFO L168 Benchmark]: TraceAbstraction took 106.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:36,581 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 708.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -193.1 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 397.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 106.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...