./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/07_rand_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/07_rand_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/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 7670d22f98ea1bbc7c55a73e2f2001317f1c809a .................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/07_rand_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/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 7670d22f98ea1bbc7c55a73e2f2001317f1c809a .............................................................................................................................................................................................................................................................................................. 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 0.1.23-635dfa2 [2018-12-08 20:20:34,405 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:20:34,406 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:20:34,412 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:20:34,412 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:20:34,413 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:20:34,413 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:20:34,414 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:20:34,415 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:20:34,415 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:20:34,416 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:20:34,416 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:20:34,416 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:20:34,417 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:20:34,417 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:20:34,418 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:20:34,418 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:20:34,419 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:20:34,420 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:20:34,421 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:20:34,421 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:20:34,422 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:20:34,423 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:20:34,423 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:20:34,424 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:20:34,424 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:20:34,425 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:20:34,425 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:20:34,425 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:20:34,426 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:20:34,428 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:20:34,428 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:20:34,428 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:20:34,428 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:20:34,429 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:20:34,429 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:20:34,430 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 20:20:34,437 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:20:34,437 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:20:34,437 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:20:34,437 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 20:20:34,437 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 20:20:34,438 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 20:20:34,438 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 20:20:34,438 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 20:20:34,438 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 20:20:34,438 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 20:20:34,438 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 20:20:34,438 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 20:20:34,438 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 20:20:34,439 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:20:34,439 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:20:34,439 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 20:20:34,439 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:20:34,439 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:20:34,439 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:20:34,439 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:20:34,439 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:20:34,439 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:20:34,439 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:20:34,439 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:20:34,440 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:20:34,440 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 20:20:34,440 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:20:34,440 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 20:20:34,440 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 20:20:34,440 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:20:34,440 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:20:34,440 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:20:34,440 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 20:20:34,440 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:20:34,440 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 20:20:34,441 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 20:20:34,441 INFO L133 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_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/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 -> 7670d22f98ea1bbc7c55a73e2f2001317f1c809a [2018-12-08 20:20:34,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:20:34,467 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:20:34,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:20:34,471 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:20:34,471 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:20:34,472 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/07_rand_true-unreach-call.i [2018-12-08 20:20:34,509 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/utaipan/data/4cea17bae/4ea7c4c6164a4b38ab2af12bfc470636/FLAG85b0be73d [2018-12-08 20:20:34,864 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:20:34,864 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/sv-benchmarks/c/pthread-ext/07_rand_true-unreach-call.i [2018-12-08 20:20:34,871 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/utaipan/data/4cea17bae/4ea7c4c6164a4b38ab2af12bfc470636/FLAG85b0be73d [2018-12-08 20:20:35,245 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/utaipan/data/4cea17bae/4ea7c4c6164a4b38ab2af12bfc470636 [2018-12-08 20:20:35,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:20:35,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:20:35,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:20:35,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:20:35,252 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:20:35,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:20:35" (1/1) ... [2018-12-08 20:20:35,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@628262cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:35, skipping insertion in model container [2018-12-08 20:20:35,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:20:35" (1/1) ... [2018-12-08 20:20:35,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:20:35,285 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:20:35,466 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:20:35,473 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:20:35,533 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:20:35,562 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:20:35,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:35 WrapperNode [2018-12-08 20:20:35,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:20:35,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:20:35,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:20:35,563 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:20:35,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:35" (1/1) ... [2018-12-08 20:20:35,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:35" (1/1) ... [2018-12-08 20:20:35,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:20:35,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:20:35,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:20:35,590 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:20:35,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:35" (1/1) ... [2018-12-08 20:20:35,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:35" (1/1) ... [2018-12-08 20:20:35,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:35" (1/1) ... [2018-12-08 20:20:35,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:35" (1/1) ... [2018-12-08 20:20:35,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:35" (1/1) ... [2018-12-08 20:20:35,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:35" (1/1) ... [2018-12-08 20:20:35,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:35" (1/1) ... [2018-12-08 20:20:35,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:20:35,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:20:35,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:20:35,607 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:20:35,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/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 [2018-12-08 20:20:35,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 20:20:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-08 20:20:35,641 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-08 20:20:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 20:20:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 20:20:35,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:20:35,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:20:35,642 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-08 20:20:35,707 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-12-08 20:20:35,708 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-12-08 20:20:35,710 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2018-12-08 20:20:35,710 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2018-12-08 20:20:35,711 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#3 [2018-12-08 20:20:35,810 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:20:35,810 INFO L280 CfgBuilder]: Removed 15 assue(true) statements. [2018-12-08 20:20:35,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:20:35 BoogieIcfgContainer [2018-12-08 20:20:35,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:20:35,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 20:20:35,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 20:20:35,813 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 20:20:35,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:20:35" (1/3) ... [2018-12-08 20:20:35,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd6c170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:20:35, skipping insertion in model container [2018-12-08 20:20:35,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:35" (2/3) ... [2018-12-08 20:20:35,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bd6c170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:20:35, skipping insertion in model container [2018-12-08 20:20:35,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:20:35" (3/3) ... [2018-12-08 20:20:35,815 INFO L112 eAbstractionObserver]: Analyzing ICFG 07_rand_true-unreach-call.i [2018-12-08 20:20:35,834 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,834 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,834 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,834 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,835 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,835 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,835 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,835 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_constructor_#in~init| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,836 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,836 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,836 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_constructor_~init not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,836 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,836 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,836 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_constructor_#in~init| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,837 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_constructor_~init not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,837 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic__threadmain_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,837 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic__threadmain_~myrand~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,837 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,837 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_constructor_~init not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,837 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic__threadmain_~myrand~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,838 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,838 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,838 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_nextInt_#in~n| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,838 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_nextInt_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,838 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nexts~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,839 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~read~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,839 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~n not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,839 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nextInt_return~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,839 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_nextInt_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,839 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_nextInt_#in~n| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,839 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~n not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,839 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~read~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,840 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nexts~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,840 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nextInt_return~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,840 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~read~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,840 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_nextInt_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,840 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_nextInt_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,841 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nexts~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,841 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nexts~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,841 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~read~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,841 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nexts~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,841 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~read~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,841 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_nextInt_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,841 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nexts~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,842 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nexts~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,842 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~read~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,842 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nexts~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,842 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~read~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,842 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nexts~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,843 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~n not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,843 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nextInt_return~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,843 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nextInt_return~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,843 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_nextInt_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,843 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_nextInt_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,843 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic__threadmain_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,843 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic__threadmain_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,844 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic__threadmain_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,844 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic__threadmain_~myrand~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,844 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic__threadmain_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,844 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic__threadmain_~myrand~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,844 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic__threadmain_~myrand~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:35,850 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-08 20:20:35,850 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 20:20:35,856 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-12-08 20:20:35,865 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-12-08 20:20:35,879 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 20:20:35,879 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 20:20:35,879 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 20:20:35,879 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 20:20:35,879 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 20:20:35,880 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 20:20:35,880 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 20:20:35,880 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 20:20:35,885 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 62places, 71 transitions [2018-12-08 20:20:35,894 FATAL L292 ToolchainWalker]: 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:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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) [2018-12-08 20:20:35,896 INFO L168 Benchmark]: Toolchain (without parser) took 648.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -122.4 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:20:35,897 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:20:35,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2018-12-08 20:20:35,898 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.93 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:20:35,899 INFO L168 Benchmark]: Boogie Preprocessor took 16.51 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. [2018-12-08 20:20:35,899 INFO L168 Benchmark]: RCFGBuilder took 203.61 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-12-08 20:20:35,899 INFO L168 Benchmark]: TraceAbstraction took 85.33 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-08 20:20:35,902 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 313.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.93 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.51 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 203.61 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 85.33 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: 13.4 MB). Peak memory consumption was 13.4 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:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 20:20:37,224 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:20:37,225 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:20:37,230 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:20:37,231 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:20:37,231 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:20:37,232 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:20:37,232 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:20:37,233 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:20:37,234 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:20:37,234 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:20:37,234 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:20:37,235 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:20:37,235 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:20:37,236 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:20:37,236 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:20:37,236 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:20:37,237 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:20:37,238 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:20:37,239 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:20:37,239 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:20:37,240 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:20:37,241 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:20:37,241 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:20:37,241 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:20:37,242 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:20:37,242 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:20:37,243 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:20:37,243 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:20:37,244 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:20:37,244 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:20:37,244 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:20:37,244 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:20:37,244 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:20:37,245 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:20:37,245 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:20:37,245 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-08 20:20:37,253 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:20:37,253 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:20:37,253 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:20:37,253 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 20:20:37,253 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 20:20:37,254 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 20:20:37,254 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 20:20:37,254 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 20:20:37,254 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 20:20:37,254 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 20:20:37,254 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:20:37,254 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:20:37,254 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:20:37,255 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:20:37,255 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:20:37,255 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:20:37,255 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:20:37,255 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 20:20:37,255 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 20:20:37,255 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:20:37,255 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:20:37,255 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 20:20:37,255 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:20:37,255 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:20:37,255 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 20:20:37,255 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:20:37,256 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 20:20:37,256 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 20:20:37,256 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:20:37,256 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:20:37,256 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:20:37,256 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 20:20:37,256 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:20:37,256 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 20:20:37,256 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 20:20:37,256 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/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 -> 7670d22f98ea1bbc7c55a73e2f2001317f1c809a [2018-12-08 20:20:37,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:20:37,284 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:20:37,287 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:20:37,288 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:20:37,288 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:20:37,289 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/07_rand_true-unreach-call.i [2018-12-08 20:20:37,326 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/utaipan/data/34152ef2a/82031faac1fb4fadb896c076887ac764/FLAG0f1203cf5 [2018-12-08 20:20:37,722 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:20:37,722 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/sv-benchmarks/c/pthread-ext/07_rand_true-unreach-call.i [2018-12-08 20:20:37,729 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/utaipan/data/34152ef2a/82031faac1fb4fadb896c076887ac764/FLAG0f1203cf5 [2018-12-08 20:20:38,065 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/utaipan/data/34152ef2a/82031faac1fb4fadb896c076887ac764 [2018-12-08 20:20:38,066 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:20:38,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:20:38,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:20:38,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:20:38,070 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:20:38,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:20:38" (1/1) ... [2018-12-08 20:20:38,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a048df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:38, skipping insertion in model container [2018-12-08 20:20:38,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:20:38" (1/1) ... [2018-12-08 20:20:38,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:20:38,097 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:20:38,262 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:20:38,271 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:20:38,296 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:20:38,389 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:20:38,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:38 WrapperNode [2018-12-08 20:20:38,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:20:38,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:20:38,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:20:38,391 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:20:38,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:38" (1/1) ... [2018-12-08 20:20:38,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:38" (1/1) ... [2018-12-08 20:20:38,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:20:38,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:20:38,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:20:38,428 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:20:38,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:38" (1/1) ... [2018-12-08 20:20:38,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:38" (1/1) ... [2018-12-08 20:20:38,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:38" (1/1) ... [2018-12-08 20:20:38,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:38" (1/1) ... [2018-12-08 20:20:38,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:38" (1/1) ... [2018-12-08 20:20:38,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:38" (1/1) ... [2018-12-08 20:20:38,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:38" (1/1) ... [2018-12-08 20:20:38,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:20:38,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:20:38,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:20:38,453 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:20:38,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4bea001b-1fc0-4a65-ba51-9dc1670d9708/bin-2019/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 [2018-12-08 20:20:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 20:20:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-08 20:20:38,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-08 20:20:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 20:20:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 20:20:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:20:38,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:20:38,492 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-08 20:20:38,559 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-12-08 20:20:38,560 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-12-08 20:20:38,562 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#2 [2018-12-08 20:20:38,562 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel#2 [2018-12-08 20:20:38,563 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel#3 [2018-12-08 20:20:38,692 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:20:38,692 INFO L280 CfgBuilder]: Removed 15 assue(true) statements. [2018-12-08 20:20:38,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:20:38 BoogieIcfgContainer [2018-12-08 20:20:38,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:20:38,693 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 20:20:38,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 20:20:38,695 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 20:20:38,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:20:38" (1/3) ... [2018-12-08 20:20:38,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64cde4f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:20:38, skipping insertion in model container [2018-12-08 20:20:38,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:20:38" (2/3) ... [2018-12-08 20:20:38,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64cde4f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:20:38, skipping insertion in model container [2018-12-08 20:20:38,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:20:38" (3/3) ... [2018-12-08 20:20:38,697 INFO L112 eAbstractionObserver]: Analyzing ICFG 07_rand_true-unreach-call.i [2018-12-08 20:20:38,719 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,720 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,720 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,720 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,720 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,721 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,721 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,721 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_constructor_#in~init| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,721 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,721 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,722 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_constructor_~init not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,722 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,722 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,722 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_constructor_#in~init| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,722 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_constructor_~init not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,722 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic__threadmain_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,722 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic__threadmain_~myrand~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,722 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~switch3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,723 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_constructor_~init not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,723 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic__threadmain_~myrand~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,723 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,723 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,723 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_nextInt_#in~n| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,723 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_nextInt_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,724 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nexts~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,724 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~read~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,724 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~n not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,724 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nextInt_return~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,724 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_nextInt_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,724 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_nextInt_#in~n| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,724 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~n not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,725 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~read~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,725 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nexts~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,725 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nextInt_return~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,725 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~read~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,725 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_nextInt_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,725 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nexts~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,726 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_nextInt_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,726 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nexts~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,726 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~read~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,726 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nexts~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,726 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~read~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,726 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nexts~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,726 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~read~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,727 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nexts~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,727 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~read~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,727 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nexts~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,727 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nexts~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,727 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~n not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,727 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nextInt_return~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,728 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic_nextInt_~nextInt_return~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,728 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_nextInt_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,728 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic_nextInt_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,728 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic__threadmain_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,728 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic__threadmain_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,728 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic__threadmain_~myrand~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,728 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_PseudoRandomUsingAtomic__threadmain_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,728 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic__threadmain_~myrand~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,728 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_PseudoRandomUsingAtomic__threadmain_~myrand~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 20:20:38,733 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-08 20:20:38,733 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 20:20:38,739 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-12-08 20:20:38,748 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-12-08 20:20:38,762 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 20:20:38,763 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 20:20:38,763 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 20:20:38,763 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 20:20:38,763 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 20:20:38,763 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 20:20:38,763 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 20:20:38,763 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 20:20:38,763 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 20:20:38,768 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 60places, 69 transitions [2018-12-08 20:20:38,775 FATAL L292 ToolchainWalker]: 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:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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) [2018-12-08 20:20:38,777 INFO L168 Benchmark]: Toolchain (without parser) took 709.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -154.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:20:38,778 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:20:38,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -206.7 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. [2018-12-08 20:20:38,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.08 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 20:20:38,778 INFO L168 Benchmark]: Boogie Preprocessor took 24.96 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. [2018-12-08 20:20:38,779 INFO L168 Benchmark]: RCFGBuilder took 239.37 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: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-12-08 20:20:38,779 INFO L168 Benchmark]: TraceAbstraction took 83.52 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-08 20:20:38,781 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -206.7 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.08 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.96 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 239.37 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: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 83.52 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: 13.5 MB). Peak memory consumption was 13.5 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:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...