./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/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 c97acbedf71345bee708d86a717fb796a6f76ada ................................................................................................................................................................................................................................................. 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_f7f96d37-abd4-4854-b435-3c9610383942/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/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 c97acbedf71345bee708d86a717fb796a6f76ada ................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2 --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:46:37,950 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:46:37,952 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:46:37,959 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:46:37,959 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:46:37,960 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:46:37,961 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:46:37,962 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:46:37,963 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:46:37,964 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:46:37,965 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:46:37,965 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:46:37,965 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:46:37,966 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:46:37,967 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:46:37,968 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:46:37,968 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:46:37,969 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:46:37,971 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:46:37,972 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:46:37,973 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:46:37,973 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:46:37,975 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:46:37,975 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:46:37,975 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:46:37,976 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:46:37,977 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:46:37,977 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:46:37,978 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:46:37,979 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:46:37,979 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:46:37,979 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:46:37,980 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:46:37,980 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:46:37,980 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:46:37,981 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:46:37,981 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 03:46:37,991 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:46:37,991 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:46:37,992 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:46:37,992 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:46:37,992 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 03:46:37,992 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 03:46:37,992 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 03:46:37,993 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 03:46:37,993 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 03:46:37,993 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 03:46:37,993 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 03:46:37,993 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 03:46:37,993 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 03:46:37,994 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:46:37,994 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:46:37,994 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:46:37,994 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:46:37,994 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:46:37,995 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:46:37,995 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:46:37,995 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:46:37,995 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:46:37,995 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:46:37,995 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:46:37,995 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:46:37,996 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:46:37,996 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:46:37,996 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:46:37,996 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:46:37,996 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:46:37,996 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:46:37,996 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:46:37,997 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:46:37,997 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 03:46:37,997 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:46:37,997 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:46:37,997 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 03:46:37,997 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_f7f96d37-abd4-4854-b435-3c9610383942/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 -> c97acbedf71345bee708d86a717fb796a6f76ada [2018-11-23 03:46:38,021 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:46:38,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:46:38,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:46:38,034 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:46:38,034 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:46:38,035 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/bin-2019/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound_true-unreach-call.i [2018-11-23 03:46:38,073 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/bin-2019/utaipan/data/d9ffbdb2c/ca3302cdf696411da8c5645f308cf503/FLAG8fffb682f [2018-11-23 03:46:38,448 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:46:38,448 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/sv-benchmarks/c/pthread-nondet/nondet-loop-bound_true-unreach-call.i [2018-11-23 03:46:38,456 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/bin-2019/utaipan/data/d9ffbdb2c/ca3302cdf696411da8c5645f308cf503/FLAG8fffb682f [2018-11-23 03:46:38,835 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/bin-2019/utaipan/data/d9ffbdb2c/ca3302cdf696411da8c5645f308cf503 [2018-11-23 03:46:38,837 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:46:38,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:46:38,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:46:38,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:46:38,842 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:46:38,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:38" (1/1) ... [2018-11-23 03:46:38,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97dd10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:38, skipping insertion in model container [2018-11-23 03:46:38,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:38" (1/1) ... [2018-11-23 03:46:38,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:46:38,887 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:46:39,123 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:46:39,131 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:46:39,163 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:46:39,248 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:46:39,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39 WrapperNode [2018-11-23 03:46:39,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:46:39,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:46:39,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:46:39,249 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:46:39,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2018-11-23 03:46:39,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2018-11-23 03:46:39,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:46:39,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:46:39,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:46:39,276 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:46:39,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2018-11-23 03:46:39,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2018-11-23 03:46:39,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2018-11-23 03:46:39,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2018-11-23 03:46:39,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2018-11-23 03:46:39,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2018-11-23 03:46:39,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2018-11-23 03:46:39,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:46:39,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:46:39,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:46:39,293 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:46:39,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/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 [2018-11-23 03:46:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:46:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-23 03:46:39,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-23 03:46:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-23 03:46:39,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-23 03:46:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 03:46:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 03:46:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:46:39,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:46:39,335 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 03:46:39,537 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:46:39,537 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 03:46:39,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:46:39 BoogieIcfgContainer [2018-11-23 03:46:39,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:46:39,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:46:39,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:46:39,541 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:46:39,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:46:38" (1/3) ... [2018-11-23 03:46:39,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225ff887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:46:39, skipping insertion in model container [2018-11-23 03:46:39,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (2/3) ... [2018-11-23 03:46:39,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@225ff887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:46:39, skipping insertion in model container [2018-11-23 03:46:39,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:46:39" (3/3) ... [2018-11-23 03:46:39,543 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound_true-unreach-call.i [2018-11-23 03:46:39,563 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:39,564 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:39,564 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:39,564 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:39,564 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:39,564 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:39,565 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:39,565 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:39,565 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:39,565 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:39,565 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:39,565 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:39,565 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:39,565 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:39,566 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:39,566 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:39,566 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:39,576 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 03:46:39,576 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:46:39,581 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-23 03:46:39,591 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-23 03:46:39,607 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:46:39,608 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:46:39,608 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:46:39,608 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:46:39,608 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:46:39,608 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:46:39,608 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:46:39,608 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:46:39,615 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50places, 50 transitions [2018-11-23 03:46:39,632 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_thr2 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) [2018-11-23 03:46:39,634 INFO L168 Benchmark]: Toolchain (without parser) took 796.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -96.8 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:46:39,636 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:46:39,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -131.8 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. [2018-11-23 03:46:39,637 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.10 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. [2018-11-23 03:46:39,637 INFO L168 Benchmark]: Boogie Preprocessor took 17.40 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:46:39,638 INFO L168 Benchmark]: RCFGBuilder took 244.66 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: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:46:39,638 INFO L168 Benchmark]: TraceAbstraction took 95.75 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: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:46:39,641 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 409.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -131.8 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.10 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 17.40 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 244.66 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: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 95.75 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: 10.1 MB). Peak memory consumption was 10.1 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_thr2 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2: 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-aa41828 [2018-11-23 03:46:41,098 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:46:41,099 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:46:41,107 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:46:41,107 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:46:41,108 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:46:41,108 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:46:41,110 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:46:41,111 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:46:41,111 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:46:41,112 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:46:41,112 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:46:41,113 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:46:41,113 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:46:41,114 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:46:41,115 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:46:41,115 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:46:41,116 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:46:41,118 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:46:41,119 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:46:41,120 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:46:41,120 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:46:41,122 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:46:41,122 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:46:41,123 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:46:41,123 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:46:41,124 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:46:41,124 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:46:41,125 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:46:41,126 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:46:41,126 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:46:41,126 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:46:41,127 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:46:41,127 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:46:41,127 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:46:41,128 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:46:41,128 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 03:46:41,139 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:46:41,139 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:46:41,140 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:46:41,140 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:46:41,140 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 03:46:41,140 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 03:46:41,140 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 03:46:41,140 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 03:46:41,141 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 03:46:41,141 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 03:46:41,141 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:46:41,141 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:46:41,141 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:46:41,142 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:46:41,142 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:46:41,142 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:46:41,142 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:46:41,142 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 03:46:41,142 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 03:46:41,142 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:46:41,142 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:46:41,143 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:46:41,143 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:46:41,143 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:46:41,143 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:46:41,143 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:46:41,143 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:46:41,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:46:41,143 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:46:41,143 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:46:41,143 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:46:41,143 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 03:46:41,144 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:46:41,144 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 03:46:41,144 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 03:46:41,144 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_f7f96d37-abd4-4854-b435-3c9610383942/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 -> c97acbedf71345bee708d86a717fb796a6f76ada [2018-11-23 03:46:41,171 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:46:41,180 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:46:41,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:46:41,183 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:46:41,183 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:46:41,184 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/bin-2019/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound_true-unreach-call.i [2018-11-23 03:46:41,220 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/bin-2019/utaipan/data/4a28ecbfd/ec18385e00c74afdb2a0246788d1749a/FLAGfdb9ea79e [2018-11-23 03:46:41,589 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:46:41,589 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/sv-benchmarks/c/pthread-nondet/nondet-loop-bound_true-unreach-call.i [2018-11-23 03:46:41,600 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/bin-2019/utaipan/data/4a28ecbfd/ec18385e00c74afdb2a0246788d1749a/FLAGfdb9ea79e [2018-11-23 03:46:41,991 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/bin-2019/utaipan/data/4a28ecbfd/ec18385e00c74afdb2a0246788d1749a [2018-11-23 03:46:41,993 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:46:41,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:46:41,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:46:41,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:46:41,998 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:46:41,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:41" (1/1) ... [2018-11-23 03:46:42,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb134ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:41, skipping insertion in model container [2018-11-23 03:46:42,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:41" (1/1) ... [2018-11-23 03:46:42,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:46:42,036 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:46:42,267 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:46:42,276 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:46:42,310 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:46:42,351 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:46:42,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:42 WrapperNode [2018-11-23 03:46:42,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:46:42,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:46:42,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:46:42,353 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:46:42,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:42" (1/1) ... [2018-11-23 03:46:42,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:42" (1/1) ... [2018-11-23 03:46:42,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:46:42,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:46:42,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:46:42,446 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:46:42,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:42" (1/1) ... [2018-11-23 03:46:42,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:42" (1/1) ... [2018-11-23 03:46:42,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:42" (1/1) ... [2018-11-23 03:46:42,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:42" (1/1) ... [2018-11-23 03:46:42,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:42" (1/1) ... [2018-11-23 03:46:42,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:42" (1/1) ... [2018-11-23 03:46:42,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:42" (1/1) ... [2018-11-23 03:46:42,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:46:42,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:46:42,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:46:42,470 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:46:42,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f7f96d37-abd4-4854-b435-3c9610383942/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 [2018-11-23 03:46:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:46:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-23 03:46:42,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-23 03:46:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-23 03:46:42,516 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-23 03:46:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 03:46:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 03:46:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:46:42,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:46:42,518 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 03:46:42,729 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:46:42,730 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 03:46:42,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:46:42 BoogieIcfgContainer [2018-11-23 03:46:42,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:46:42,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:46:42,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:46:42,732 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:46:42,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:46:41" (1/3) ... [2018-11-23 03:46:42,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51381f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:46:42, skipping insertion in model container [2018-11-23 03:46:42,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:42" (2/3) ... [2018-11-23 03:46:42,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51381f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:46:42, skipping insertion in model container [2018-11-23 03:46:42,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:46:42" (3/3) ... [2018-11-23 03:46:42,735 INFO L112 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound_true-unreach-call.i [2018-11-23 03:46:42,757 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:42,757 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:42,757 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:42,757 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:42,757 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:42,757 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:42,758 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:42,758 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:42,758 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:42,758 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:42,759 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:42,759 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:42,759 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:42,759 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:42,759 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:42,759 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:42,760 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 03:46:42,764 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 03:46:42,764 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:46:42,770 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-23 03:46:42,779 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-23 03:46:42,797 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 03:46:42,798 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:46:42,798 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:46:42,798 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:46:42,798 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:46:42,798 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:46:42,798 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:46:42,798 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:46:42,798 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:46:42,805 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50places, 50 transitions [2018-11-23 03:46:42,822 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_thr2 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) [2018-11-23 03:46:42,824 INFO L168 Benchmark]: Toolchain (without parser) took 830.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -142.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:46:42,825 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:46:42,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.02 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 910.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:46:42,826 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 910.3 MB in the beginning and 1.1 GB in the end (delta: -206.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-11-23 03:46:42,826 INFO L168 Benchmark]: Boogie Preprocessor took 23.90 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. [2018-11-23 03:46:42,826 INFO L168 Benchmark]: RCFGBuilder took 260.35 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: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:46:42,827 INFO L168 Benchmark]: TraceAbstraction took 92.70 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-23 03:46:42,829 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 357.02 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 910.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 910.3 MB in the beginning and 1.1 GB in the end (delta: -206.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.90 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 260.35 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: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 92.70 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: 6.9 MB). Peak memory consumption was 6.9 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_thr2 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr2: 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...