./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/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 70388197a28bd3be848acf07d15b703eb0dba0f2 .......................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/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 70388197a28bd3be848acf07d15b703eb0dba0f2 ......................................................................................................................................................................................................................................... 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 0.1.24-cad4683 [2019-10-22 11:21:54,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:54,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:54,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:54,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:54,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:54,094 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:54,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:54,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:54,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:54,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:54,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:54,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:54,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:54,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:54,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:54,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:54,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:54,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:54,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:54,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:54,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:54,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:54,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:54,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:54,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:54,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:54,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:54,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:54,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:54,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:54,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:54,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:54,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:54,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:54,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:54,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:54,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:54,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:54,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:54,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:54,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:21:54,156 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:54,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:54,166 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:54,167 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:54,167 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:54,167 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:54,167 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:21:54,167 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:54,167 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:54,168 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:21:54,168 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:21:54,168 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:54,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:54,169 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:54,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:21:54,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:54,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:54,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:21:54,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:54,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:21:54,170 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:54,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:21:54,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:21:54,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:54,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:54,171 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:54,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:54,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:54,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:54,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:54,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:21:54,172 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:21:54,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:21:54,173 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:21:54,173 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:54,174 INFO L138 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_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/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 -> 70388197a28bd3be848acf07d15b703eb0dba0f2 [2019-10-22 11:21:54,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:54,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:54,226 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:54,228 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:54,228 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:54,229 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-2.i [2019-10-22 11:21:54,278 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/utaipan/data/4a8097696/7d4d8272d277499a813edb95d079366f/FLAG671a03c41 [2019-10-22 11:21:54,686 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:54,686 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-2.i [2019-10-22 11:21:54,697 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/utaipan/data/4a8097696/7d4d8272d277499a813edb95d079366f/FLAG671a03c41 [2019-10-22 11:21:55,030 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/utaipan/data/4a8097696/7d4d8272d277499a813edb95d079366f [2019-10-22 11:21:55,033 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:55,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:55,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:55,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:55,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:55,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:55" (1/1) ... [2019-10-22 11:21:55,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3653fd4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:55, skipping insertion in model container [2019-10-22 11:21:55,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:55" (1/1) ... [2019-10-22 11:21:55,049 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:55,087 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:55,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:55,435 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:55,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:55,567 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:55,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:55 WrapperNode [2019-10-22 11:21:55,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:55,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:55,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:55,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:55,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:55" (1/1) ... [2019-10-22 11:21:55,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:55" (1/1) ... [2019-10-22 11:21:55,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:55,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:55,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:55,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:55,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:55" (1/1) ... [2019-10-22 11:21:55,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:55" (1/1) ... [2019-10-22 11:21:55,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:55" (1/1) ... [2019-10-22 11:21:55,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:55" (1/1) ... [2019-10-22 11:21:55,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:55" (1/1) ... [2019-10-22 11:21:55,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:55" (1/1) ... [2019-10-22 11:21:55,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:55" (1/1) ... [2019-10-22 11:21:55,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:55,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:55,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:55,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:55,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/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 [2019-10-22 11:21:55,701 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-10-22 11:21:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-10-22 11:21:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 11:21:55,702 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 11:21:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:21:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:21:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:21:55,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:55,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:55,704 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 11:21:56,137 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:56,137 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 11:21:56,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:56 BoogieIcfgContainer [2019-10-22 11:21:56,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:56,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:56,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:56,143 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:56,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:55" (1/3) ... [2019-10-22 11:21:56,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f1b6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:56, skipping insertion in model container [2019-10-22 11:21:56,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:55" (2/3) ... [2019-10-22 11:21:56,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f1b6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:56, skipping insertion in model container [2019-10-22 11:21:56,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:56" (3/3) ... [2019-10-22 11:21:56,148 INFO L109 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-2.i [2019-10-22 11:21:56,184 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:56,186 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:56,186 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:56,186 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:56,187 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:56,187 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:56,187 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:56,187 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:56,188 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:56,188 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:56,188 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:56,188 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:56,188 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:56,188 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:56,189 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:56,189 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:56,189 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:21:56,197 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 11:21:56,197 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:56,205 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-22 11:21:56,218 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-22 11:21:56,236 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:56,237 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:21:56,237 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:56,237 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:56,237 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:56,237 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:56,238 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:56,238 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:56,248 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50 places, 50 transitions [2019-10-22 11:21:56,282 FATAL L? ?]: 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:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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) [2019-10-22 11:21:56,292 INFO L168 Benchmark]: Toolchain (without parser) took 1257.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:56,293 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:56,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -199.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:56,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.98 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:56,299 INFO L168 Benchmark]: Boogie Preprocessor took 31.29 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:56,300 INFO L168 Benchmark]: RCFGBuilder took 491.39 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: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:56,302 INFO L168 Benchmark]: TraceAbstraction took 151.15 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: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:56,305 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 532.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -199.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.98 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.29 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 491.39 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: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 151.15 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: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_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:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:21:58,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:58,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:58,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:58,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:58,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:58,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:58,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:58,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:58,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:58,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:58,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:58,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:58,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:58,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:58,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:58,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:58,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:58,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:58,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:58,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:58,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:58,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:58,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:58,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:58,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:58,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:58,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:58,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:58,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:58,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:58,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:58,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:58,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:58,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:58,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:58,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:58,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:58,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:58,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:58,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:58,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:21:58,476 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:58,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:58,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:58,478 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:58,478 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:58,478 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:58,478 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:58,478 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:58,479 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:58,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:58,479 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:58,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:58,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:58,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:21:58,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:58,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:21:58,480 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:21:58,480 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:21:58,481 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:58,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:21:58,481 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:21:58,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:21:58,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:58,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:58,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:58,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:58,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:58,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:58,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:58,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:21:58,483 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:21:58,483 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:21:58,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:21:58,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:58,484 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/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 -> 70388197a28bd3be848acf07d15b703eb0dba0f2 [2019-10-22 11:21:58,515 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:58,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:58,532 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:58,534 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:58,535 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:58,536 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-2.i [2019-10-22 11:21:58,590 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/utaipan/data/d9ec73a70/f1ccfe08fe3a456594c74c2571e0f2a9/FLAG97290a773 [2019-10-22 11:21:59,049 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:59,049 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-2.i [2019-10-22 11:21:59,057 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/utaipan/data/d9ec73a70/f1ccfe08fe3a456594c74c2571e0f2a9/FLAG97290a773 [2019-10-22 11:21:59,434 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/utaipan/data/d9ec73a70/f1ccfe08fe3a456594c74c2571e0f2a9 [2019-10-22 11:21:59,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:59,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:59,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:59,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:59,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:59,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:59" (1/1) ... [2019-10-22 11:21:59,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f6f6c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:59, skipping insertion in model container [2019-10-22 11:21:59,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:59" (1/1) ... [2019-10-22 11:21:59,452 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:59,494 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:59,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:59,910 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:59,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:00,019 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:00,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:00 WrapperNode [2019-10-22 11:22:00,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:00,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:00,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:00,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:00,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:00" (1/1) ... [2019-10-22 11:22:00,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:00" (1/1) ... [2019-10-22 11:22:00,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:00,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:00,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:00,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:00,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:00" (1/1) ... [2019-10-22 11:22:00,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:00" (1/1) ... [2019-10-22 11:22:00,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:00" (1/1) ... [2019-10-22 11:22:00,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:00" (1/1) ... [2019-10-22 11:22:00,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:00" (1/1) ... [2019-10-22 11:22:00,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:00" (1/1) ... [2019-10-22 11:22:00,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:00" (1/1) ... [2019-10-22 11:22:00,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:00,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:00,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:00,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:00,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90f4d5cb-9bc2-4ad8-b03f-656129176465/bin/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 [2019-10-22 11:22:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-10-22 11:22:00,153 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-10-22 11:22:00,153 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-10-22 11:22:00,154 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-10-22 11:22:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:22:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:22:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:00,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:00,156 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 11:22:00,408 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:00,409 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 11:22:00,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:00 BoogieIcfgContainer [2019-10-22 11:22:00,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:00,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:00,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:00,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:00,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:59" (1/3) ... [2019-10-22 11:22:00,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cfd9aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:00, skipping insertion in model container [2019-10-22 11:22:00,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:00" (2/3) ... [2019-10-22 11:22:00,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cfd9aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:00, skipping insertion in model container [2019-10-22 11:22:00,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:00" (3/3) ... [2019-10-22 11:22:00,418 INFO L109 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-2.i [2019-10-22 11:22:00,449 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:00,449 WARN L315 ript$VariableManager]: TermVariabe |Thread0_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:00,449 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:00,449 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:00,450 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:00,450 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:00,450 WARN L315 ript$VariableManager]: TermVariabe Thread0_thr2_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:00,450 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:00,451 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:00,451 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:00,451 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:00,451 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:00,451 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:00,452 WARN L315 ript$VariableManager]: TermVariabe |Thread1_thr1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:00,452 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:00,452 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:00,452 WARN L315 ript$VariableManager]: TermVariabe Thread1_thr1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:22:00,465 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 11:22:00,466 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:00,472 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-10-22 11:22:00,481 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-10-22 11:22:00,499 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:00,499 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:00,499 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:00,499 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:00,499 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:00,499 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:00,499 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:00,499 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:00,507 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50 places, 50 transitions [2019-10-22 11:22:00,532 FATAL L? ?]: 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:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:390) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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) [2019-10-22 11:22:00,536 INFO L168 Benchmark]: Toolchain (without parser) took 1097.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:00,536 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:00,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:00,537 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.42 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. [2019-10-22 11:22:00,538 INFO L168 Benchmark]: Boogie Preprocessor took 35.72 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. [2019-10-22 11:22:00,538 INFO L168 Benchmark]: RCFGBuilder took 308.71 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:00,539 INFO L168 Benchmark]: TraceAbstraction took 123.29 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. [2019-10-22 11:22:00,541 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 582.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.42 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 35.72 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 308.71 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 123.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_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:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...