./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-lit/fkp2013_variant_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/fkp2013_variant_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/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 376411b509fa30f3972bf08d429083cb413425da ...................................................................................................................................................................................................................................................... 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_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-lit/fkp2013_variant_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/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 376411b509fa30f3972bf08d429083cb413425da .............................................................................................................................................................................................................................................. 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 0.1.23-635dfa2 [2018-12-09 06:07:40,017 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 06:07:40,019 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 06:07:40,025 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 06:07:40,025 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 06:07:40,026 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 06:07:40,026 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 06:07:40,027 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 06:07:40,028 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 06:07:40,029 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 06:07:40,029 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 06:07:40,030 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 06:07:40,030 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 06:07:40,031 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 06:07:40,031 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 06:07:40,032 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 06:07:40,032 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 06:07:40,033 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 06:07:40,034 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 06:07:40,035 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 06:07:40,035 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 06:07:40,036 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 06:07:40,037 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 06:07:40,037 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 06:07:40,037 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 06:07:40,038 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 06:07:40,038 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 06:07:40,039 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 06:07:40,039 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 06:07:40,040 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 06:07:40,040 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 06:07:40,040 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 06:07:40,040 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 06:07:40,041 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 06:07:40,041 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 06:07:40,042 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 06:07:40,042 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 06:07:40,049 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 06:07:40,049 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 06:07:40,050 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 06:07:40,050 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 06:07:40,050 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 06:07:40,050 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 06:07:40,050 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 06:07:40,050 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 06:07:40,051 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 06:07:40,051 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 06:07:40,051 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 06:07:40,051 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 06:07:40,051 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 06:07:40,052 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 06:07:40,052 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 06:07:40,052 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 06:07:40,052 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 06:07:40,052 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 06:07:40,052 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 06:07:40,052 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 06:07:40,052 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 06:07:40,052 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 06:07:40,053 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 06:07:40,053 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 06:07:40,053 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 06:07:40,053 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 06:07:40,053 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 06:07:40,053 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 06:07:40,053 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 06:07:40,054 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 06:07:40,054 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 06:07:40,054 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 06:07:40,054 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 06:07:40,054 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 06:07:40,054 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 06:07:40,054 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 06:07:40,054 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_384353d3-f49f-46ba-91b1-41ff7ba1ae16/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 -> 376411b509fa30f3972bf08d429083cb413425da [2018-12-09 06:07:40,072 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 06:07:40,079 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 06:07:40,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 06:07:40,082 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 06:07:40,083 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 06:07:40,083 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/../../sv-benchmarks/c/pthread-lit/fkp2013_variant_true-unreach-call.i [2018-12-09 06:07:40,116 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/data/80553b850/c0bfe7639f2748e397728bcdb9e47df7/FLAG45f9d1e28 [2018-12-09 06:07:40,569 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 06:07:40,570 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/sv-benchmarks/c/pthread-lit/fkp2013_variant_true-unreach-call.i [2018-12-09 06:07:40,577 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/data/80553b850/c0bfe7639f2748e397728bcdb9e47df7/FLAG45f9d1e28 [2018-12-09 06:07:40,586 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/data/80553b850/c0bfe7639f2748e397728bcdb9e47df7 [2018-12-09 06:07:40,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 06:07:40,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 06:07:40,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 06:07:40,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 06:07:40,591 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 06:07:40,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:07:40" (1/1) ... [2018-12-09 06:07:40,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@178df10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:40, skipping insertion in model container [2018-12-09 06:07:40,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:07:40" (1/1) ... [2018-12-09 06:07:40,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 06:07:40,617 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 06:07:40,777 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:07:40,784 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 06:07:40,843 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:07:40,870 INFO L195 MainTranslator]: Completed translation [2018-12-09 06:07:40,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:40 WrapperNode [2018-12-09 06:07:40,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 06:07:40,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 06:07:40,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 06:07:40,871 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 06:07:40,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:40" (1/1) ... [2018-12-09 06:07:40,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:40" (1/1) ... [2018-12-09 06:07:40,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 06:07:40,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 06:07:40,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 06:07:40,896 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 06:07:40,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:40" (1/1) ... [2018-12-09 06:07:40,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:40" (1/1) ... [2018-12-09 06:07:40,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:40" (1/1) ... [2018-12-09 06:07:40,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:40" (1/1) ... [2018-12-09 06:07:40,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:40" (1/1) ... [2018-12-09 06:07:40,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:40" (1/1) ... [2018-12-09 06:07:40,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:40" (1/1) ... [2018-12-09 06:07:40,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 06:07:40,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 06:07:40,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 06:07:40,910 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 06:07:40,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 06:07:40,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 06:07:40,941 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-12-09 06:07:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-12-09 06:07:40,941 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-09 06:07:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-09 06:07:40,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 06:07:40,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 06:07:40,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 06:07:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 06:07:40,943 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 06:07:41,088 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 06:07:41,088 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 06:07:41,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:07:41 BoogieIcfgContainer [2018-12-09 06:07:41,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 06:07:41,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 06:07:41,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 06:07:41,091 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 06:07:41,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:07:40" (1/3) ... [2018-12-09 06:07:41,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78969842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:07:41, skipping insertion in model container [2018-12-09 06:07:41,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:40" (2/3) ... [2018-12-09 06:07:41,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78969842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:07:41, skipping insertion in model container [2018-12-09 06:07:41,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:07:41" (3/3) ... [2018-12-09 06:07:41,093 INFO L112 eAbstractionObserver]: Analyzing ICFG fkp2013_variant_true-unreach-call.i [2018-12-09 06:07:41,112 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,112 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,112 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,112 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,113 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,113 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,113 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,113 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,113 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,114 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,114 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,114 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,114 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,114 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,114 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,115 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,115 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,115 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,115 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,115 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,115 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:41,120 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 06:07:41,120 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 06:07:41,125 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-09 06:07:41,134 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-09 06:07:41,149 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 06:07:41,150 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 06:07:41,150 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 06:07:41,150 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 06:07:41,150 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 06:07:41,150 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 06:07:41,150 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 06:07:41,150 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 06:07:41,155 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53places, 53 transitions [2018-12-09 06:07:41,168 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) [2018-12-09 06:07:41,170 INFO L168 Benchmark]: Toolchain (without parser) took 582.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -127.4 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2018-12-09 06:07:41,171 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:07:41,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-09 06:07:41,171 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.79 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 06:07:41,172 INFO L168 Benchmark]: Boogie Preprocessor took 14.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:07:41,172 INFO L168 Benchmark]: RCFGBuilder took 178.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-12-09 06:07:41,172 INFO L168 Benchmark]: TraceAbstraction took 80.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-09 06:07:41,174 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.79 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.37 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 178.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 80.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 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... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 06:07:42,506 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 06:07:42,507 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 06:07:42,513 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 06:07:42,513 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 06:07:42,513 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 06:07:42,514 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 06:07:42,515 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 06:07:42,515 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 06:07:42,516 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 06:07:42,516 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 06:07:42,516 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 06:07:42,517 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 06:07:42,517 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 06:07:42,518 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 06:07:42,518 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 06:07:42,519 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 06:07:42,519 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 06:07:42,520 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 06:07:42,521 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 06:07:42,521 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 06:07:42,522 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 06:07:42,523 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 06:07:42,523 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 06:07:42,523 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 06:07:42,524 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 06:07:42,524 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 06:07:42,525 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 06:07:42,525 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 06:07:42,526 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 06:07:42,526 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 06:07:42,526 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 06:07:42,526 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 06:07:42,526 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 06:07:42,527 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 06:07:42,527 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 06:07:42,527 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 06:07:42,534 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 06:07:42,534 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 06:07:42,535 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 06:07:42,535 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 06:07:42,535 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 06:07:42,535 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 06:07:42,535 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 06:07:42,536 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 06:07:42,536 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 06:07:42,536 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 06:07:42,536 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 06:07:42,536 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 06:07:42,536 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 06:07:42,536 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 06:07:42,536 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 06:07:42,537 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 06:07:42,537 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 06:07:42,537 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 06:07:42,537 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 06:07:42,537 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 06:07:42,537 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 06:07:42,537 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 06:07:42,537 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 06:07:42,537 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 06:07:42,537 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 06:07:42,537 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 06:07:42,538 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 06:07:42,538 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 06:07:42,538 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 06:07:42,538 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 06:07:42,538 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 06:07:42,538 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 06:07:42,538 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 06:07:42,538 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 06:07:42,538 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 06:07:42,538 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_384353d3-f49f-46ba-91b1-41ff7ba1ae16/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 -> 376411b509fa30f3972bf08d429083cb413425da [2018-12-09 06:07:42,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 06:07:42,567 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 06:07:42,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 06:07:42,570 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 06:07:42,571 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 06:07:42,571 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/../../sv-benchmarks/c/pthread-lit/fkp2013_variant_true-unreach-call.i [2018-12-09 06:07:42,616 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/data/c7e1c5e95/3cc4891f79504000a8270ae112a83b02/FLAGacb53a2ea [2018-12-09 06:07:42,984 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 06:07:42,984 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/sv-benchmarks/c/pthread-lit/fkp2013_variant_true-unreach-call.i [2018-12-09 06:07:42,992 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/data/c7e1c5e95/3cc4891f79504000a8270ae112a83b02/FLAGacb53a2ea [2018-12-09 06:07:43,000 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/data/c7e1c5e95/3cc4891f79504000a8270ae112a83b02 [2018-12-09 06:07:43,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 06:07:43,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 06:07:43,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 06:07:43,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 06:07:43,006 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 06:07:43,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:07:43" (1/1) ... [2018-12-09 06:07:43,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f9d65c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:43, skipping insertion in model container [2018-12-09 06:07:43,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:07:43" (1/1) ... [2018-12-09 06:07:43,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 06:07:43,037 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 06:07:43,220 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:07:43,229 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 06:07:43,254 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:07:43,323 INFO L195 MainTranslator]: Completed translation [2018-12-09 06:07:43,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:43 WrapperNode [2018-12-09 06:07:43,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 06:07:43,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 06:07:43,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 06:07:43,324 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 06:07:43,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:43" (1/1) ... [2018-12-09 06:07:43,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:43" (1/1) ... [2018-12-09 06:07:43,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 06:07:43,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 06:07:43,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 06:07:43,350 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 06:07:43,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:43" (1/1) ... [2018-12-09 06:07:43,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:43" (1/1) ... [2018-12-09 06:07:43,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:43" (1/1) ... [2018-12-09 06:07:43,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:43" (1/1) ... [2018-12-09 06:07:43,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:43" (1/1) ... [2018-12-09 06:07:43,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:43" (1/1) ... [2018-12-09 06:07:43,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:43" (1/1) ... [2018-12-09 06:07:43,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 06:07:43,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 06:07:43,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 06:07:43,366 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 06:07:43,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_384353d3-f49f-46ba-91b1-41ff7ba1ae16/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 06:07:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 06:07:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-12-09 06:07:43,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-12-09 06:07:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-12-09 06:07:43,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-12-09 06:07:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 06:07:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 06:07:43,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 06:07:43,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 06:07:43,397 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 06:07:43,548 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 06:07:43,548 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 06:07:43,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:07:43 BoogieIcfgContainer [2018-12-09 06:07:43,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 06:07:43,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 06:07:43,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 06:07:43,551 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 06:07:43,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:07:43" (1/3) ... [2018-12-09 06:07:43,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f484bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:07:43, skipping insertion in model container [2018-12-09 06:07:43,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:07:43" (2/3) ... [2018-12-09 06:07:43,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f484bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:07:43, skipping insertion in model container [2018-12-09 06:07:43,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:07:43" (3/3) ... [2018-12-09 06:07:43,553 INFO L112 eAbstractionObserver]: Analyzing ICFG fkp2013_variant_true-unreach-call.i [2018-12-09 06:07:43,576 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,577 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,577 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,577 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,577 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,577 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,578 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,578 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,578 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,578 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,578 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,579 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,579 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,579 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,579 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,579 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,579 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,580 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,580 WARN L317 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,580 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,580 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 06:07:43,587 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 06:07:43,587 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 06:07:43,592 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-12-09 06:07:43,600 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-12-09 06:07:43,617 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 06:07:43,618 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 06:07:43,618 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 06:07:43,618 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 06:07:43,618 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 06:07:43,618 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 06:07:43,618 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 06:07:43,618 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 06:07:43,618 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 06:07:43,623 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52places, 52 transitions [2018-12-09 06:07:43,635 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) [2018-12-09 06:07:43,636 INFO L168 Benchmark]: Toolchain (without parser) took 634.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:07:43,637 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:07:43,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -196.6 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2018-12-09 06:07:43,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 06:07:43,638 INFO L168 Benchmark]: Boogie Preprocessor took 15.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:07:43,639 INFO L168 Benchmark]: RCFGBuilder took 183.02 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 06:07:43,639 INFO L168 Benchmark]: TraceAbstraction took 87.07 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: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2018-12-09 06:07:43,641 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -196.6 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.87 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 183.02 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 87.07 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: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_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...