./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/31_simple_loop5_vs_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_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/31_simple_loop5_vs_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/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 2f5020bace04c3953d5ba184ca7354d5ad5b3f82 ................................................................................................................................................................................................................................................. 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_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/31_simple_loop5_vs_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/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 2f5020bace04c3953d5ba184ca7354d5ad5b3f82 ..................................................................................................................................................................................................................................................... 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 15:05:59,007 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:05:59,008 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:05:59,016 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:05:59,016 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:05:59,016 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:05:59,017 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:05:59,018 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:05:59,019 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:05:59,020 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:05:59,020 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:05:59,020 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:05:59,021 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:05:59,022 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:05:59,022 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:05:59,023 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:05:59,023 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:05:59,025 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:05:59,026 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:05:59,027 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:05:59,028 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:05:59,029 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:05:59,030 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:05:59,030 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:05:59,030 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:05:59,031 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:05:59,032 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:05:59,032 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:05:59,033 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:05:59,033 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:05:59,033 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:05:59,034 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:05:59,034 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:05:59,034 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:05:59,035 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:05:59,035 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:05:59,036 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 15:05:59,045 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:05:59,046 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:05:59,046 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:05:59,046 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:05:59,047 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 15:05:59,047 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 15:05:59,047 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 15:05:59,047 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 15:05:59,047 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 15:05:59,047 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 15:05:59,048 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 15:05:59,048 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 15:05:59,048 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 15:05:59,048 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:05:59,048 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:05:59,049 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:05:59,049 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:05:59,049 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:05:59,049 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:05:59,049 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:05:59,049 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:05:59,049 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:05:59,050 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:05:59,050 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:05:59,050 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:05:59,050 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:05:59,050 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:05:59,050 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:05:59,051 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:05:59,051 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:05:59,051 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:05:59,051 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:05:59,051 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:05:59,051 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 15:05:59,051 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:05:59,052 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:05:59,052 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 15:05:59,052 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_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/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 -> 2f5020bace04c3953d5ba184ca7354d5ad5b3f82 [2018-11-23 15:05:59,074 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:05:59,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:05:59,084 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:05:59,085 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:05:59,085 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:05:59,086 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/31_simple_loop5_vs_true-unreach-call.i [2018-11-23 15:05:59,120 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/bin-2019/utaipan/data/dbfaa57e5/0f6a54e920944406919e935e5b7acd24/FLAG1a5ae7da7 [2018-11-23 15:05:59,572 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:05:59,572 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/sv-benchmarks/c/pthread-ext/31_simple_loop5_vs_true-unreach-call.i [2018-11-23 15:05:59,583 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/bin-2019/utaipan/data/dbfaa57e5/0f6a54e920944406919e935e5b7acd24/FLAG1a5ae7da7 [2018-11-23 15:05:59,594 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/bin-2019/utaipan/data/dbfaa57e5/0f6a54e920944406919e935e5b7acd24 [2018-11-23 15:05:59,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:05:59,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:05:59,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:05:59,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:05:59,599 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:05:59,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:59" (1/1) ... [2018-11-23 15:05:59,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c830c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:59, skipping insertion in model container [2018-11-23 15:05:59,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:59" (1/1) ... [2018-11-23 15:05:59,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:05:59,633 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:05:59,829 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:05:59,835 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:05:59,906 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:05:59,937 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:05:59,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:59 WrapperNode [2018-11-23 15:05:59,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:05:59,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:05:59,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:05:59,938 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:05:59,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:59" (1/1) ... [2018-11-23 15:05:59,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:59" (1/1) ... [2018-11-23 15:05:59,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:05:59,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:05:59,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:05:59,966 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:05:59,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:59" (1/1) ... [2018-11-23 15:05:59,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:59" (1/1) ... [2018-11-23 15:05:59,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:59" (1/1) ... [2018-11-23 15:05:59,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:59" (1/1) ... [2018-11-23 15:05:59,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:59" (1/1) ... [2018-11-23 15:05:59,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:59" (1/1) ... [2018-11-23 15:05:59,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:59" (1/1) ... [2018-11-23 15:05:59,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:05:59,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:05:59,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:05:59,985 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:05:59,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/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 15:06:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 15:06:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-23 15:06:00,032 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-23 15:06:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-23 15:06:00,032 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-23 15:06:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 15:06:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 15:06:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:06:00,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:06:00,033 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 15:06:00,132 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-11-23 15:06:00,133 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-11-23 15:06:00,202 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-11-23 15:06:00,204 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-11-23 15:06:00,276 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:06:00,276 INFO L280 CfgBuilder]: Removed 15 assue(true) statements. [2018-11-23 15:06:00,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:06:00 BoogieIcfgContainer [2018-11-23 15:06:00,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:06:00,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:06:00,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:06:00,280 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:06:00,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:05:59" (1/3) ... [2018-11-23 15:06:00,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a23c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:06:00, skipping insertion in model container [2018-11-23 15:06:00,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:59" (2/3) ... [2018-11-23 15:06:00,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a23c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:06:00, skipping insertion in model container [2018-11-23 15:06:00,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:06:00" (3/3) ... [2018-11-23 15:06:00,282 INFO L112 eAbstractionObserver]: Analyzing ICFG 31_simple_loop5_vs_true-unreach-call.i [2018-11-23 15:06:00,300 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:00,300 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:00,301 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:00,301 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:00,301 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:00,301 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:00,301 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:00,301 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:00,302 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:00,302 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:00,302 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:00,302 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:00,315 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 15:06:00,315 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:06:00,321 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-23 15:06:00,333 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-23 15:06:00,355 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:06:00,355 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:06:00,355 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:06:00,356 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:06:00,356 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:06:00,356 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:06:00,356 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:06:00,356 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:06:00,363 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40places, 44 transitions [2018-11-23 15:06:00,379 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 15:06:00,382 INFO L168 Benchmark]: Toolchain (without parser) took 786.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -125.4 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:00,383 INFO L168 Benchmark]: CDTParser took 0.11 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 15:06:00,384 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -159.6 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:00,384 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:00,385 INFO L168 Benchmark]: Boogie Preprocessor took 18.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:00,385 INFO L168 Benchmark]: RCFGBuilder took 292.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:00,386 INFO L168 Benchmark]: TraceAbstraction took 104.24 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:00,389 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 340.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -159.6 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 292.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 104.24 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: 8.1 MB). Peak memory consumption was 8.1 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 15:06:01,802 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:06:01,803 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:06:01,810 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:06:01,811 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:06:01,811 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:06:01,812 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:06:01,813 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:06:01,815 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:06:01,815 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:06:01,816 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:06:01,816 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:06:01,817 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:06:01,817 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:06:01,819 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:06:01,819 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:06:01,820 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:06:01,821 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:06:01,823 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:06:01,824 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:06:01,825 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:06:01,826 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:06:01,828 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:06:01,828 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:06:01,828 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:06:01,829 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:06:01,829 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:06:01,830 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:06:01,831 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:06:01,831 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:06:01,831 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:06:01,832 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:06:01,832 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:06:01,832 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:06:01,833 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:06:01,833 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:06:01,834 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 15:06:01,845 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:06:01,845 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:06:01,846 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:06:01,846 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:06:01,846 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 15:06:01,846 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 15:06:01,847 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 15:06:01,847 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 15:06:01,847 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 15:06:01,847 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 15:06:01,847 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:06:01,847 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:06:01,848 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:06:01,848 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:06:01,848 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:06:01,848 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:06:01,848 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:06:01,848 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 15:06:01,848 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 15:06:01,848 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:06:01,849 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:06:01,849 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:06:01,849 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:06:01,849 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:06:01,849 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:06:01,849 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:06:01,849 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:06:01,849 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:06:01,849 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:06:01,849 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:06:01,850 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:06:01,851 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 15:06:01,851 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:06:01,852 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 15:06:01,852 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 15:06:01,852 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_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/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 -> 2f5020bace04c3953d5ba184ca7354d5ad5b3f82 [2018-11-23 15:06:01,879 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:06:01,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:06:01,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:06:01,890 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:06:01,891 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:06:01,891 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/31_simple_loop5_vs_true-unreach-call.i [2018-11-23 15:06:01,926 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/bin-2019/utaipan/data/599222086/a98a7dfda4ad40d185f986e3b1bf962f/FLAG5f268a37e [2018-11-23 15:06:02,363 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:06:02,363 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/sv-benchmarks/c/pthread-ext/31_simple_loop5_vs_true-unreach-call.i [2018-11-23 15:06:02,376 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/bin-2019/utaipan/data/599222086/a98a7dfda4ad40d185f986e3b1bf962f/FLAG5f268a37e [2018-11-23 15:06:02,385 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/bin-2019/utaipan/data/599222086/a98a7dfda4ad40d185f986e3b1bf962f [2018-11-23 15:06:02,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:06:02,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:06:02,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:06:02,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:06:02,391 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:06:02,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:02" (1/1) ... [2018-11-23 15:06:02,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@107f8ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02, skipping insertion in model container [2018-11-23 15:06:02,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:02" (1/1) ... [2018-11-23 15:06:02,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:06:02,428 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:06:02,652 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:06:02,663 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:06:02,699 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:06:02,790 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:06:02,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02 WrapperNode [2018-11-23 15:06:02,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:06:02,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:06:02,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:06:02,792 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:06:02,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (1/1) ... [2018-11-23 15:06:02,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (1/1) ... [2018-11-23 15:06:02,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:06:02,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:06:02,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:06:02,822 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:06:02,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (1/1) ... [2018-11-23 15:06:02,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (1/1) ... [2018-11-23 15:06:02,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (1/1) ... [2018-11-23 15:06:02,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (1/1) ... [2018-11-23 15:06:02,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (1/1) ... [2018-11-23 15:06:02,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (1/1) ... [2018-11-23 15:06:02,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (1/1) ... [2018-11-23 15:06:02,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:06:02,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:06:02,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:06:02,843 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:06:02,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e78b8228-7b18-4607-abe8-1a1d81f5d3ff/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 15:06:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 15:06:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-23 15:06:02,874 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-23 15:06:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-23 15:06:02,874 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-23 15:06:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 15:06:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 15:06:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:06:02,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:06:02,875 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 15:06:02,962 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-11-23 15:06:02,963 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-11-23 15:06:02,999 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2018-11-23 15:06:03,000 INFO L1415 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2018-11-23 15:06:03,063 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:06:03,063 INFO L280 CfgBuilder]: Removed 15 assue(true) statements. [2018-11-23 15:06:03,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:06:03 BoogieIcfgContainer [2018-11-23 15:06:03,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:06:03,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:06:03,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:06:03,065 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:06:03,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:06:02" (1/3) ... [2018-11-23 15:06:03,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6748c3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:06:03, skipping insertion in model container [2018-11-23 15:06:03,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (2/3) ... [2018-11-23 15:06:03,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6748c3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:06:03, skipping insertion in model container [2018-11-23 15:06:03,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:06:03" (3/3) ... [2018-11-23 15:06:03,068 INFO L112 eAbstractionObserver]: Analyzing ICFG 31_simple_loop5_vs_true-unreach-call.i [2018-11-23 15:06:03,088 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:03,088 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:03,088 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:03,088 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:03,089 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:03,089 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:03,089 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:03,089 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:03,089 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:03,090 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:03,090 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:03,090 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:06:03,095 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 15:06:03,095 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:06:03,100 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-23 15:06:03,111 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-23 15:06:03,126 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:06:03,126 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:06:03,126 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:06:03,127 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:06:03,127 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:06:03,127 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:06:03,127 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:06:03,127 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:06:03,127 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:06:03,132 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40places, 44 transitions [2018-11-23 15:06:03,146 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 15:06:03,148 INFO L168 Benchmark]: Toolchain (without parser) took 760.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -139.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:06:03,150 INFO L168 Benchmark]: CDTParser took 0.11 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 15:06:03,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:03,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:03,151 INFO L168 Benchmark]: Boogie Preprocessor took 20.49 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 15:06:03,151 INFO L168 Benchmark]: RCFGBuilder took 220.77 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: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:03,152 INFO L168 Benchmark]: TraceAbstraction took 84.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:06:03,154 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 402.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.49 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 220.77 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: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 84.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_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...