./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/06_ticket_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_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/06_ticket_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/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 41a929f6f2c94173f1b355dba19b018da5144107 ............................................................................................................................................................................................................................................................. 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_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/06_ticket_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/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 41a929f6f2c94173f1b355dba19b018da5144107 ................................................................................................................................................................................................................................................................. 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 [2018-12-09 16:19:36,597 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:19:36,598 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:19:36,604 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:19:36,604 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:19:36,605 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:19:36,606 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:19:36,606 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:19:36,607 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:19:36,608 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:19:36,608 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:19:36,608 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:19:36,609 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:19:36,609 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:19:36,610 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:19:36,610 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:19:36,610 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:19:36,611 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:19:36,612 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:19:36,613 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:19:36,613 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:19:36,614 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:19:36,615 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:19:36,615 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:19:36,615 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:19:36,616 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:19:36,616 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:19:36,617 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:19:36,617 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:19:36,617 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:19:36,618 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:19:36,618 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:19:36,618 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:19:36,618 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:19:36,619 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:19:36,619 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:19:36,619 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 16:19:36,626 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:19:36,626 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:19:36,627 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:19:36,627 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 16:19:36,627 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 16:19:36,627 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 16:19:36,627 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 16:19:36,627 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 16:19:36,627 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 16:19:36,628 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 16:19:36,628 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 16:19:36,628 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 16:19:36,628 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 16:19:36,628 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:19:36,628 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:19:36,629 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 16:19:36,629 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:19:36,629 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:19:36,629 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:19:36,629 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:19:36,629 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:19:36,629 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:19:36,630 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:19:36,630 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:19:36,630 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:19:36,630 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 16:19:36,630 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:19:36,630 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 16:19:36,630 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:19:36,630 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:19:36,631 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:19:36,631 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:19:36,631 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 16:19:36,631 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:19:36,631 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 16:19:36,631 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 16:19:36,631 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_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/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 -> 41a929f6f2c94173f1b355dba19b018da5144107 [2018-12-09 16:19:36,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:19:36,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:19:36,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:19:36,658 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:19:36,658 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:19:36,658 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/06_ticket_true-unreach-call.i [2018-12-09 16:19:36,700 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/bin-2019/utaipan/data/ceabfd725/a7193488b10b423ea26b8d604cfc3d43/FLAGa4037ad5a [2018-12-09 16:19:37,124 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:19:37,124 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/sv-benchmarks/c/pthread-ext/06_ticket_true-unreach-call.i [2018-12-09 16:19:37,133 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/bin-2019/utaipan/data/ceabfd725/a7193488b10b423ea26b8d604cfc3d43/FLAGa4037ad5a [2018-12-09 16:19:37,144 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/bin-2019/utaipan/data/ceabfd725/a7193488b10b423ea26b8d604cfc3d43 [2018-12-09 16:19:37,147 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:19:37,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:19:37,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:19:37,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:19:37,150 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:19:37,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:19:37" (1/1) ... [2018-12-09 16:19:37,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f76134a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:37, skipping insertion in model container [2018-12-09 16:19:37,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:19:37" (1/1) ... [2018-12-09 16:19:37,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:19:37,185 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:19:37,339 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:19:37,380 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:19:37,416 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:19:37,448 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:19:37,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:37 WrapperNode [2018-12-09 16:19:37,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:19:37,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:19:37,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:19:37,449 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:19:37,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:37" (1/1) ... [2018-12-09 16:19:37,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:37" (1/1) ... [2018-12-09 16:19:37,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:19:37,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:19:37,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:19:37,480 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:19:37,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:37" (1/1) ... [2018-12-09 16:19:37,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:37" (1/1) ... [2018-12-09 16:19:37,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:37" (1/1) ... [2018-12-09 16:19:37,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:37" (1/1) ... [2018-12-09 16:19:37,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:37" (1/1) ... [2018-12-09 16:19:37,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:37" (1/1) ... [2018-12-09 16:19:37,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:37" (1/1) ... [2018-12-09 16:19:37,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:19:37,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:19:37,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:19:37,499 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:19:37,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/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 [2018-12-09 16:19:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 16:19:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-09 16:19:37,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-09 16:19:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 16:19:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-09 16:19:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 16:19:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-09 16:19:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:19:37,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:19:37,537 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 16:19:37,665 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:19:37,665 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-09 16:19:37,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:19:37 BoogieIcfgContainer [2018-12-09 16:19:37,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:19:37,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 16:19:37,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 16:19:37,668 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 16:19:37,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:19:37" (1/3) ... [2018-12-09 16:19:37,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d720d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:19:37, skipping insertion in model container [2018-12-09 16:19:37,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:37" (2/3) ... [2018-12-09 16:19:37,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d720d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:19:37, skipping insertion in model container [2018-12-09 16:19:37,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:19:37" (3/3) ... [2018-12-09 16:19:37,670 INFO L112 eAbstractionObserver]: Analyzing ICFG 06_ticket_true-unreach-call.i [2018-12-09 16:19:37,687 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,687 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,687 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,687 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,687 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_acquire_lock_#t~ret1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,687 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,688 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,688 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,688 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,688 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,688 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,688 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,688 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,689 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,689 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_acquire_lock_#t~ret1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,689 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_acquire_lock_#t~ret1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,689 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,689 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_acquire_lock_#t~ret1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,689 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,689 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,689 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,690 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,690 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,690 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,690 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,690 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,690 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,690 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,691 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_release_lock_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,691 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_release_lock_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,691 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_release_lock_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,691 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_release_lock_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,691 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,691 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:37,695 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 16:19:37,695 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 16:19:37,700 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-09 16:19:37,710 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-09 16:19:37,724 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 16:19:37,724 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 16:19:37,724 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 16:19:37,724 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 16:19:37,724 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 16:19:37,724 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 16:19:37,724 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 16:19:37,725 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 16:19:37,730 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47places, 53 transitions [2018-12-09 16:19:37,737 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) [2018-12-09 16:19:37,739 INFO L168 Benchmark]: Toolchain (without parser) took 591.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -113.9 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-09 16:19:37,740 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:19:37,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2018-12-09 16:19:37,740 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.55 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-09 16:19:37,741 INFO L168 Benchmark]: Boogie Preprocessor took 19.16 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. [2018-12-09 16:19:37,741 INFO L168 Benchmark]: RCFGBuilder took 166.70 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: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2018-12-09 16:19:37,741 INFO L168 Benchmark]: TraceAbstraction took 72.10 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 16:19:37,743 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 300.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.55 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.16 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 166.70 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: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 72.10 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java: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 [2018-12-09 16:19:39,145 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:19:39,145 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:19:39,151 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:19:39,152 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:19:39,152 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:19:39,153 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:19:39,153 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:19:39,154 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:19:39,154 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:19:39,155 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:19:39,155 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:19:39,155 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:19:39,156 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:19:39,156 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:19:39,157 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:19:39,157 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:19:39,158 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:19:39,159 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:19:39,159 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:19:39,160 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:19:39,161 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:19:39,162 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:19:39,162 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:19:39,162 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:19:39,162 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:19:39,163 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:19:39,163 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:19:39,163 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:19:39,164 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:19:39,164 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:19:39,164 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:19:39,164 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:19:39,165 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:19:39,165 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:19:39,165 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:19:39,165 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 16:19:39,172 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:19:39,173 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:19:39,173 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:19:39,173 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 16:19:39,173 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 16:19:39,173 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 16:19:39,173 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 16:19:39,174 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 16:19:39,174 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 16:19:39,174 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 16:19:39,174 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:19:39,174 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:19:39,174 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:19:39,174 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:19:39,174 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:19:39,174 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:19:39,174 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:19:39,175 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 16:19:39,175 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 16:19:39,175 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:19:39,175 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:19:39,175 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 16:19:39,175 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:19:39,175 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:19:39,175 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 16:19:39,175 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:19:39,175 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 16:19:39,175 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 16:19:39,175 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:19:39,176 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:19:39,176 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:19:39,176 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 16:19:39,176 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:19:39,176 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 16:19:39,176 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 16:19:39,176 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_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/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 -> 41a929f6f2c94173f1b355dba19b018da5144107 [2018-12-09 16:19:39,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:19:39,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:19:39,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:19:39,207 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:19:39,208 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:19:39,208 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/06_ticket_true-unreach-call.i [2018-12-09 16:19:39,254 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/bin-2019/utaipan/data/05fd9b026/edda4fc63c4c4bedab1970920991c2c9/FLAG0cf6deac4 [2018-12-09 16:19:39,693 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:19:39,694 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/sv-benchmarks/c/pthread-ext/06_ticket_true-unreach-call.i [2018-12-09 16:19:39,700 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/bin-2019/utaipan/data/05fd9b026/edda4fc63c4c4bedab1970920991c2c9/FLAG0cf6deac4 [2018-12-09 16:19:39,711 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/bin-2019/utaipan/data/05fd9b026/edda4fc63c4c4bedab1970920991c2c9 [2018-12-09 16:19:39,713 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:19:39,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:19:39,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:19:39,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:19:39,717 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:19:39,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:19:39" (1/1) ... [2018-12-09 16:19:39,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb0e1fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:39, skipping insertion in model container [2018-12-09 16:19:39,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:19:39" (1/1) ... [2018-12-09 16:19:39,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:19:39,752 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:19:39,940 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:19:39,949 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:19:39,975 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:19:40,058 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:19:40,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:40 WrapperNode [2018-12-09 16:19:40,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:19:40,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:19:40,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:19:40,059 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:19:40,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:40" (1/1) ... [2018-12-09 16:19:40,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:40" (1/1) ... [2018-12-09 16:19:40,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:19:40,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:19:40,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:19:40,090 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:19:40,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:40" (1/1) ... [2018-12-09 16:19:40,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:40" (1/1) ... [2018-12-09 16:19:40,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:40" (1/1) ... [2018-12-09 16:19:40,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:40" (1/1) ... [2018-12-09 16:19:40,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:40" (1/1) ... [2018-12-09 16:19:40,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:40" (1/1) ... [2018-12-09 16:19:40,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:40" (1/1) ... [2018-12-09 16:19:40,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:19:40,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:19:40,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:19:40,111 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:19:40,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_deda8d30-fc41-48c2-8204-4f8aac8cf6ef/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 [2018-12-09 16:19:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 16:19:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-09 16:19:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-09 16:19:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-09 16:19:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 16:19:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 16:19:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-09 16:19:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:19:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:19:40,145 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 16:19:40,306 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:19:40,306 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-09 16:19:40,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:19:40 BoogieIcfgContainer [2018-12-09 16:19:40,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:19:40,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 16:19:40,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 16:19:40,309 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 16:19:40,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:19:39" (1/3) ... [2018-12-09 16:19:40,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a834f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:19:40, skipping insertion in model container [2018-12-09 16:19:40,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:40" (2/3) ... [2018-12-09 16:19:40,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a834f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:19:40, skipping insertion in model container [2018-12-09 16:19:40,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:19:40" (3/3) ... [2018-12-09 16:19:40,311 INFO L112 eAbstractionObserver]: Analyzing ICFG 06_ticket_true-unreach-call.i [2018-12-09 16:19:40,328 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,328 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,328 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,328 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,328 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_acquire_lock_#t~ret1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,328 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,328 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,328 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,328 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,329 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,329 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,329 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_acquire_lock_#t~ret1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_acquire_lock_#t~ret1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,329 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,329 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_acquire_lock_#t~ret1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,329 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,330 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,330 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,330 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,330 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,330 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,330 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,330 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,331 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,331 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,331 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_release_lock_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,331 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_release_lock_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,331 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_release_lock_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,331 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_release_lock_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,331 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,331 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 16:19:40,335 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 16:19:40,335 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 16:19:40,340 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-09 16:19:40,349 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-09 16:19:40,363 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 16:19:40,363 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 16:19:40,363 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 16:19:40,363 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 16:19:40,363 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 16:19:40,363 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 16:19:40,363 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 16:19:40,363 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 16:19:40,363 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 16:19:40,368 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47places, 53 transitions [2018-12-09 16:19:40,375 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) [2018-12-09 16:19:40,377 INFO L168 Benchmark]: Toolchain (without parser) took 663.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -146.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2018-12-09 16:19:40,378 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-12-09 16:19:40,378 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -191.3 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2018-12-09 16:19:40,378 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.91 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. [2018-12-09 16:19:40,379 INFO L168 Benchmark]: Boogie Preprocessor took 20.77 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. [2018-12-09 16:19:40,379 INFO L168 Benchmark]: RCFGBuilder took 195.69 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: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-12-09 16:19:40,379 INFO L168 Benchmark]: TraceAbstraction took 69.10 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. [2018-12-09 16:19:40,381 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 344.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -191.3 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.91 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 20.77 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 195.69 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: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 69.10 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. * 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...