./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/09_fmaxsym_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_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/09_fmaxsym_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/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 b83cf1dba2cea7231240cacd36f738a3a55f34cd ...................................................................................................................................................................................................................................................................... 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_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/09_fmaxsym_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/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 b83cf1dba2cea7231240cacd36f738a3a55f34cd ........................................................................................................................................................................................................................................................................... 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 [2018-12-02 18:42:53,294 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:42:53,295 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:42:53,301 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:42:53,301 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:42:53,302 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:42:53,303 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:42:53,304 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:42:53,305 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:42:53,306 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:42:53,306 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:42:53,306 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:42:53,307 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:42:53,308 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:42:53,308 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:42:53,309 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:42:53,310 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:42:53,311 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:42:53,312 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:42:53,313 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:42:53,314 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:42:53,315 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:42:53,316 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:42:53,316 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:42:53,316 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:42:53,317 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:42:53,317 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:42:53,318 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:42:53,318 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:42:53,319 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:42:53,319 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:42:53,319 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:42:53,319 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:42:53,319 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:42:53,320 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:42:53,320 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:42:53,321 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 18:42:53,328 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:42:53,328 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:42:53,329 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 18:42:53,329 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 18:42:53,329 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 18:42:53,329 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 18:42:53,329 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 18:42:53,330 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 18:42:53,330 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 18:42:53,330 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 18:42:53,330 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 18:42:53,330 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 18:42:53,330 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 18:42:53,330 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:42:53,330 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:42:53,331 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 18:42:53,331 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:42:53,331 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:42:53,331 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 18:42:53,331 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 18:42:53,331 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 18:42:53,331 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:42:53,332 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 18:42:53,332 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 18:42:53,332 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:42:53,332 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 18:42:53,332 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 18:42:53,332 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 18:42:53,332 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 18:42:53,333 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:42:53,333 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 18:42:53,333 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 18:42:53,333 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 18:42:53,333 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 18:42:53,333 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 18:42:53,333 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 18:42:53,333 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_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/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 -> b83cf1dba2cea7231240cacd36f738a3a55f34cd [2018-12-02 18:42:53,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:42:53,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:42:53,365 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:42:53,366 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:42:53,366 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:42:53,367 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/09_fmaxsym_true-unreach-call.i [2018-12-02 18:42:53,403 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/bin-2019/utaipan/data/e241b98cc/80ba40291cdf4cd2aa05a2c2c35f2b67/FLAG2de001db3 [2018-12-02 18:42:53,769 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:42:53,769 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/sv-benchmarks/c/pthread-ext/09_fmaxsym_true-unreach-call.i [2018-12-02 18:42:53,775 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/bin-2019/utaipan/data/e241b98cc/80ba40291cdf4cd2aa05a2c2c35f2b67/FLAG2de001db3 [2018-12-02 18:42:54,133 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/bin-2019/utaipan/data/e241b98cc/80ba40291cdf4cd2aa05a2c2c35f2b67 [2018-12-02 18:42:54,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:42:54,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:42:54,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:42:54,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:42:54,140 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:42:54,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:42:54" (1/1) ... [2018-12-02 18:42:54,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24821130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:54, skipping insertion in model container [2018-12-02 18:42:54,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:42:54" (1/1) ... [2018-12-02 18:42:54,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:42:54,174 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:42:54,345 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:42:54,352 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:42:54,421 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:42:54,455 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:42:54,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:54 WrapperNode [2018-12-02 18:42:54,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:42:54,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:42:54,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:42:54,456 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:42:54,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:54" (1/1) ... [2018-12-02 18:42:54,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:54" (1/1) ... [2018-12-02 18:42:54,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:42:54,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:42:54,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:42:54,483 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:42:54,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:54" (1/1) ... [2018-12-02 18:42:54,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:54" (1/1) ... [2018-12-02 18:42:54,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:54" (1/1) ... [2018-12-02 18:42:54,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:54" (1/1) ... [2018-12-02 18:42:54,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:54" (1/1) ... [2018-12-02 18:42:54,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:54" (1/1) ... [2018-12-02 18:42:54,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:54" (1/1) ... [2018-12-02 18:42:54,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:42:54,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:42:54,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:42:54,499 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:42:54,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/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 [2018-12-02 18:42:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 18:42:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 18:42:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-02 18:42:54,532 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-02 18:42:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 18:42:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 18:42:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 18:42:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:42:54,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:42:54,533 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-02 18:42:54,601 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-12-02 18:42:54,601 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-12-02 18:42:54,696 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:42:54,696 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 18:42:54,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:42:54 BoogieIcfgContainer [2018-12-02 18:42:54,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:42:54,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 18:42:54,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 18:42:54,701 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 18:42:54,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:42:54" (1/3) ... [2018-12-02 18:42:54,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f7cf11f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:42:54, skipping insertion in model container [2018-12-02 18:42:54,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:54" (2/3) ... [2018-12-02 18:42:54,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f7cf11f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:42:54, skipping insertion in model container [2018-12-02 18:42:54,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:42:54" (3/3) ... [2018-12-02 18:42:54,703 INFO L112 eAbstractionObserver]: Analyzing ICFG 09_fmaxsym_true-unreach-call.i [2018-12-02 18:42:54,723 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,723 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,723 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,723 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,724 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,724 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,724 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,724 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,724 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,724 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,724 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,725 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,725 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,725 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,725 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,725 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,725 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,725 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,725 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,725 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,725 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,725 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,726 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,726 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,726 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,726 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,726 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,726 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,726 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,726 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,726 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,727 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,727 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,727 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,727 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,727 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,727 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,727 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,728 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,728 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,728 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,728 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,728 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:54,735 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-02 18:42:54,735 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 18:42:54,740 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-02 18:42:54,751 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-02 18:42:54,772 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 18:42:54,772 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 18:42:54,772 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 18:42:54,772 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 18:42:54,772 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 18:42:54,772 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 18:42:54,773 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 18:42:54,773 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 18:42:54,780 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50places, 54 transitions [2018-12-02 18:42:54,791 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) [2018-12-02 18:42:54,794 INFO L168 Benchmark]: Toolchain (without parser) took 657.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -92.6 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-12-02 18:42:54,795 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:42:54,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -127.7 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-02 18:42:54,796 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:42:54,796 INFO L168 Benchmark]: Boogie Preprocessor took 15.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:42:54,797 INFO L168 Benchmark]: RCFGBuilder took 198.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:42:54,797 INFO L168 Benchmark]: TraceAbstraction took 95.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-12-02 18:42:54,800 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -127.7 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 198.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 95.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 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 [2018-12-02 18:42:56,107 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:42:56,108 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:42:56,114 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:42:56,114 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:42:56,114 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:42:56,115 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:42:56,116 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:42:56,116 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:42:56,117 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:42:56,117 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:42:56,117 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:42:56,118 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:42:56,118 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:42:56,119 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:42:56,119 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:42:56,120 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:42:56,120 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:42:56,121 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:42:56,122 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:42:56,122 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:42:56,123 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:42:56,124 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:42:56,124 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:42:56,124 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:42:56,125 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:42:56,125 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:42:56,126 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:42:56,126 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:42:56,126 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:42:56,127 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:42:56,127 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:42:56,127 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:42:56,127 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:42:56,128 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:42:56,128 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:42:56,128 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 18:42:56,135 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:42:56,136 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:42:56,136 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 18:42:56,136 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 18:42:56,136 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 18:42:56,136 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 18:42:56,137 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 18:42:56,137 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 18:42:56,137 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 18:42:56,137 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 18:42:56,137 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:42:56,137 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:42:56,137 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:42:56,137 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:42:56,138 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 18:42:56,138 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 18:42:56,138 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 18:42:56,138 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 18:42:56,138 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 18:42:56,138 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:42:56,138 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 18:42:56,138 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 18:42:56,138 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 18:42:56,138 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:42:56,138 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 18:42:56,139 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 18:42:56,139 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 18:42:56,139 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 18:42:56,139 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:42:56,139 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 18:42:56,139 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 18:42:56,139 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 18:42:56,139 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 18:42:56,139 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 18:42:56,139 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 18:42:56,139 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_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/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 -> b83cf1dba2cea7231240cacd36f738a3a55f34cd [2018-12-02 18:42:56,158 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:42:56,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:42:56,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:42:56,171 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:42:56,171 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:42:56,172 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/09_fmaxsym_true-unreach-call.i [2018-12-02 18:42:56,214 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/bin-2019/utaipan/data/1a761ffcc/966a80de9b634fc4afc09c250a6e73ce/FLAG23f0d6c78 [2018-12-02 18:42:56,621 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:42:56,621 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/sv-benchmarks/c/pthread-ext/09_fmaxsym_true-unreach-call.i [2018-12-02 18:42:56,628 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/bin-2019/utaipan/data/1a761ffcc/966a80de9b634fc4afc09c250a6e73ce/FLAG23f0d6c78 [2018-12-02 18:42:56,637 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/bin-2019/utaipan/data/1a761ffcc/966a80de9b634fc4afc09c250a6e73ce [2018-12-02 18:42:56,638 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:42:56,639 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:42:56,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:42:56,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:42:56,642 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:42:56,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:42:56" (1/1) ... [2018-12-02 18:42:56,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc15be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:56, skipping insertion in model container [2018-12-02 18:42:56,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:42:56" (1/1) ... [2018-12-02 18:42:56,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:42:56,668 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:42:56,836 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:42:56,845 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:42:56,915 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:42:56,950 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:42:56,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:56 WrapperNode [2018-12-02 18:42:56,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:42:56,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:42:56,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:42:56,951 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:42:56,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:56" (1/1) ... [2018-12-02 18:42:56,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:56" (1/1) ... [2018-12-02 18:42:56,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:42:56,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:42:56,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:42:56,978 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:42:56,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:56" (1/1) ... [2018-12-02 18:42:56,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:56" (1/1) ... [2018-12-02 18:42:56,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:56" (1/1) ... [2018-12-02 18:42:56,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:56" (1/1) ... [2018-12-02 18:42:56,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:56" (1/1) ... [2018-12-02 18:42:56,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:56" (1/1) ... [2018-12-02 18:42:56,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:56" (1/1) ... [2018-12-02 18:42:56,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:42:56,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:42:56,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:42:56,997 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:42:56,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1cd69e0f-f46a-4483-8b2a-9df69ed4d901/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 [2018-12-02 18:42:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 18:42:57,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 18:42:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-02 18:42:57,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-02 18:42:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 18:42:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 18:42:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2018-12-02 18:42:57,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:42:57,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:42:57,029 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-02 18:42:57,097 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-12-02 18:42:57,098 INFO L1421 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-12-02 18:42:57,183 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:42:57,183 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 18:42:57,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:42:57 BoogieIcfgContainer [2018-12-02 18:42:57,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:42:57,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 18:42:57,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 18:42:57,186 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 18:42:57,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:42:56" (1/3) ... [2018-12-02 18:42:57,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4025caeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:42:57, skipping insertion in model container [2018-12-02 18:42:57,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:56" (2/3) ... [2018-12-02 18:42:57,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4025caeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:42:57, skipping insertion in model container [2018-12-02 18:42:57,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:42:57" (3/3) ... [2018-12-02 18:42:57,187 INFO L112 eAbstractionObserver]: Analyzing ICFG 09_fmaxsym_true-unreach-call.i [2018-12-02 18:42:57,205 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,205 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,205 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,205 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,205 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,206 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,206 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,206 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,206 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~offset~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,206 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,206 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,206 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,206 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,206 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,206 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,207 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#in~offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,207 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,207 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,207 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,207 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,207 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,207 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,207 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,207 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,207 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,208 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,208 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,208 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,208 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,208 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,208 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,208 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,208 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,208 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,209 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,209 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,209 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~e~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,209 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,209 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,209 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,209 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_findMax_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,209 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_findMax_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 18:42:57,213 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-02 18:42:57,214 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 18:42:57,218 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-02 18:42:57,227 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-02 18:42:57,241 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 18:42:57,241 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 18:42:57,241 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 18:42:57,241 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 18:42:57,241 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 18:42:57,241 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 18:42:57,241 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 18:42:57,241 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 18:42:57,242 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 18:42:57,247 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49places, 53 transitions [2018-12-02 18:42:57,253 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) [2018-12-02 18:42:57,255 INFO L168 Benchmark]: Toolchain (without parser) took 616.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -121.6 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-12-02 18:42:57,256 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-12-02 18:42:57,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:42:57,257 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.74 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. [2018-12-02 18:42:57,257 INFO L168 Benchmark]: Boogie Preprocessor took 18.08 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. [2018-12-02 18:42:57,257 INFO L168 Benchmark]: RCFGBuilder took 186.99 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: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2018-12-02 18:42:57,258 INFO L168 Benchmark]: TraceAbstraction took 71.16 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: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-12-02 18:42:57,259 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 311.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.74 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.08 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 186.99 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: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 71.16 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: 14.2 MB). Peak memory consumption was 14.2 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:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...