./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/09_fmaxsym.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_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81feafd030efecd4b1af415c6175684ea80b093c ....................................................................................................................................................................................................................................................................... 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_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81feafd030efecd4b1af415c6175684ea80b093c .................................................................................................................................................................................................................................................................... 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 11:23:35,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:35,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:35,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:35,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:35,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:35,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:35,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:35,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:35,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:35,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:35,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:35,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:35,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:35,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:35,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:35,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:35,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:35,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:35,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:35,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:35,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:35,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:35,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:35,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:35,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:35,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:35,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:35,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:35,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:35,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:35,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:35,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:35,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:35,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:35,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:35,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:35,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:35,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:35,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:35,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:35,445 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:23:35,455 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:35,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:35,456 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:35,456 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:35,456 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:35,456 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:35,457 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:35,457 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:35,457 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:35,457 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:35,457 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:35,457 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:35,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:35,458 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:35,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:35,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:35,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:35,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:35,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:35,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:35,461 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:35,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:35,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:35,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:35,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:35,462 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:35,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:35,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:35,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:35,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:35,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:35,463 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:35,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:35,463 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:35,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:35,463 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan 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 -> Taipan 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 -> 81feafd030efecd4b1af415c6175684ea80b093c [2019-10-22 11:23:35,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:35,518 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:35,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:35,523 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:35,523 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:35,524 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2019-10-22 11:23:35,567 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/data/ae8a04b83/0870aa1946cf4bedbf027605948ba52c/FLAG341557aa6 [2019-10-22 11:23:36,002 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:36,003 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2019-10-22 11:23:36,015 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/data/ae8a04b83/0870aa1946cf4bedbf027605948ba52c/FLAG341557aa6 [2019-10-22 11:23:36,352 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/data/ae8a04b83/0870aa1946cf4bedbf027605948ba52c [2019-10-22 11:23:36,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:36,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:36,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:36,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:36,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:36,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:36" (1/1) ... [2019-10-22 11:23:36,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56389653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:36, skipping insertion in model container [2019-10-22 11:23:36,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:36" (1/1) ... [2019-10-22 11:23:36,369 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:36,409 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:36,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:36,787 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:36,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:36,891 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:36,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:36 WrapperNode [2019-10-22 11:23:36,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:36,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:36,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:36,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:36,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:36" (1/1) ... [2019-10-22 11:23:36,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:36" (1/1) ... [2019-10-22 11:23:36,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:36,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:36,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:36,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:36,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:36" (1/1) ... [2019-10-22 11:23:36,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:36" (1/1) ... [2019-10-22 11:23:36,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:36" (1/1) ... [2019-10-22 11:23:36,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:36" (1/1) ... [2019-10-22 11:23:36,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:36" (1/1) ... [2019-10-22 11:23:36,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:36" (1/1) ... [2019-10-22 11:23:36,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:36" (1/1) ... [2019-10-22 11:23:36,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:36,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:36,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:36,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:36,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/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 11:23:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:23:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 11:23:37,034 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 11:23:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:23:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:23:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:23:37,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:37,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:37,037 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 11:23:37,210 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-10-22 11:23:37,211 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-10-22 11:23:37,331 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:37,331 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 11:23:37,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:37 BoogieIcfgContainer [2019-10-22 11:23:37,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:37,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:37,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:37,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:37,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:36" (1/3) ... [2019-10-22 11:23:37,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae928d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:37, skipping insertion in model container [2019-10-22 11:23:37,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:36" (2/3) ... [2019-10-22 11:23:37,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae928d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:37, skipping insertion in model container [2019-10-22 11:23:37,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:37" (3/3) ... [2019-10-22 11:23:37,342 INFO L109 eAbstractionObserver]: Analyzing ICFG 09_fmaxsym.i [2019-10-22 11:23:37,369 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,370 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,370 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,370 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,370 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,371 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,371 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,371 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,371 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,371 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,371 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,372 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,372 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,372 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,372 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,372 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,372 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,372 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,373 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,373 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,373 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,373 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,373 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,373 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,374 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,374 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,374 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,374 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,374 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,374 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,375 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,375 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,375 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,375 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,375 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,376 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,376 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,376 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,376 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,376 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,377 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,377 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,377 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:37,386 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 11:23:37,386 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:37,392 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-22 11:23:37,401 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-22 11:23:37,419 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:37,419 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:37,419 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:37,419 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:37,420 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:37,420 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:37,420 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:37,420 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:37,430 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50 places, 54 transitions [2019-10-22 11:23:37,448 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 11:23:37,455 INFO L168 Benchmark]: Toolchain (without parser) took 1099.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -111.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:37,456 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:37,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:37,457 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.18 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:37,457 INFO L168 Benchmark]: Boogie Preprocessor took 37.03 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:37,458 INFO L168 Benchmark]: RCFGBuilder took 362.88 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: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:37,458 INFO L168 Benchmark]: TraceAbstraction took 119.37 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:37,464 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 536.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.18 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.03 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 362.88 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: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 119.37 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: 10.2 MB). Peak memory consumption was 10.2 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 11:23:39,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:39,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:39,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:39,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:39,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:39,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:39,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:39,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:39,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:39,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:39,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:39,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:39,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:39,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:39,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:39,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:39,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:39,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:39,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:39,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:39,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:39,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:39,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:39,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:39,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:39,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:39,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:39,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:39,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:39,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:39,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:39,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:39,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:39,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:39,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:39,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:39,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:39,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:39,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:39,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:39,533 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:23:39,547 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:39,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:39,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:39,548 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:39,550 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:39,550 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:39,550 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:39,550 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:39,550 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:39,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:39,551 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:39,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:39,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:39,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:23:39,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:39,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:23:39,552 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:23:39,552 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:23:39,552 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:39,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:23:39,553 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:23:39,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:23:39,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:39,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:39,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:39,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:39,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:39,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:39,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:39,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:23:39,554 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:23:39,554 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:23:39,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:23:39,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:39,557 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_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan 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 -> Taipan 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 -> 81feafd030efecd4b1af415c6175684ea80b093c [2019-10-22 11:23:39,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:39,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:39,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:39,603 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:39,603 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:39,604 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/../../sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2019-10-22 11:23:39,656 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/data/9495ef049/885b6ff8117a46cca82c72ad2751d4d3/FLAG4900e9741 [2019-10-22 11:23:40,139 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:40,140 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/sv-benchmarks/c/pthread-ext/09_fmaxsym.i [2019-10-22 11:23:40,155 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/data/9495ef049/885b6ff8117a46cca82c72ad2751d4d3/FLAG4900e9741 [2019-10-22 11:23:40,626 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/data/9495ef049/885b6ff8117a46cca82c72ad2751d4d3 [2019-10-22 11:23:40,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:40,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:40,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:40,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:40,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:40,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:40" (1/1) ... [2019-10-22 11:23:40,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4d7f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:40, skipping insertion in model container [2019-10-22 11:23:40,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:40" (1/1) ... [2019-10-22 11:23:40,646 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:40,694 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:41,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:41,152 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:41,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:41,281 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:41,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:41 WrapperNode [2019-10-22 11:23:41,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:41,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:41,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:41,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:41,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:41" (1/1) ... [2019-10-22 11:23:41,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:41" (1/1) ... [2019-10-22 11:23:41,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:41,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:41,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:41,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:41,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:41" (1/1) ... [2019-10-22 11:23:41,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:41" (1/1) ... [2019-10-22 11:23:41,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:41" (1/1) ... [2019-10-22 11:23:41,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:41" (1/1) ... [2019-10-22 11:23:41,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:41" (1/1) ... [2019-10-22 11:23:41,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:41" (1/1) ... [2019-10-22 11:23:41,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:41" (1/1) ... [2019-10-22 11:23:41,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:41,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:41,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:41,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:41,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee970759-2053-4e7b-891c-929702cb8419/bin/utaipan/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 11:23:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:23:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 11:23:41,428 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 11:23:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:23:41,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:23:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-10-22 11:23:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:41,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:41,431 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 11:23:41,553 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-10-22 11:23:41,554 INFO L1490 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-10-22 11:23:41,687 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:41,687 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 11:23:41,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:41 BoogieIcfgContainer [2019-10-22 11:23:41,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:41,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:41,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:41,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:41,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:40" (1/3) ... [2019-10-22 11:23:41,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7165cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:41, skipping insertion in model container [2019-10-22 11:23:41,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:41" (2/3) ... [2019-10-22 11:23:41,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d7165cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:41, skipping insertion in model container [2019-10-22 11:23:41,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:41" (3/3) ... [2019-10-22 11:23:41,696 INFO L109 eAbstractionObserver]: Analyzing ICFG 09_fmaxsym.i [2019-10-22 11:23:41,723 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,724 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,724 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,724 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,724 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,725 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,725 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,725 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,725 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,725 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,726 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,726 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,726 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,726 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,726 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,726 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,727 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,727 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,727 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,727 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,727 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,727 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,728 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,728 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,728 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,728 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,728 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,729 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,729 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,729 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,729 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,729 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,729 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,730 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,730 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,730 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,730 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,730 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,731 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,731 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,731 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,731 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:23:41,737 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 11:23:41,738 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:41,745 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-22 11:23:41,759 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-22 11:23:41,777 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:41,777 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:23:41,778 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:41,778 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:41,778 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:41,778 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:41,778 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:41,778 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:41,786 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 53 transitions [2019-10-22 11:23:41,797 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 11:23:41,801 INFO L168 Benchmark]: Toolchain (without parser) took 1170.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -127.9 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:41,802 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:41,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:41,803 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.84 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:41,803 INFO L168 Benchmark]: Boogie Preprocessor took 37.59 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 11:23:41,804 INFO L168 Benchmark]: RCFGBuilder took 323.85 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: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:41,804 INFO L168 Benchmark]: TraceAbstraction took 109.80 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:41,814 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 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 650.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.84 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.59 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 323.85 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: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 109.80 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: 6.6 MB). Peak memory consumption was 6.6 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...