./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/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 4b657fa85d3094e08d2f44296b039a2c61bf4699 ....................................................................................................................................................................................................................................................................................... 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_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/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 4b657fa85d3094e08d2f44296b039a2c61bf4699 ................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:50:56,757 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:50:56,758 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:50:56,766 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:50:56,766 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:50:56,767 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:50:56,768 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:50:56,769 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:50:56,770 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:50:56,771 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:50:56,771 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:50:56,771 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:50:56,772 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:50:56,773 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:50:56,774 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:50:56,774 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:50:56,775 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:50:56,776 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:50:56,777 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:50:56,778 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:50:56,779 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:50:56,780 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:50:56,782 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:50:56,782 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:50:56,782 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:50:56,783 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:50:56,784 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:50:56,784 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:50:56,785 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:50:56,786 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:50:56,786 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:50:56,787 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:50:56,787 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:50:56,787 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:50:56,788 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:50:56,788 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:50:56,789 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 15:50:56,799 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:50:56,800 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:50:56,800 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:50:56,800 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:50:56,801 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 15:50:56,801 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 15:50:56,801 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 15:50:56,801 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 15:50:56,801 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 15:50:56,801 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 15:50:56,802 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 15:50:56,803 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 15:50:56,803 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 15:50:56,803 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:50:56,803 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:50:56,804 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:50:56,804 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:50:56,804 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:50:56,804 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:50:56,804 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:50:56,804 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:50:56,804 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:50:56,804 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:50:56,805 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:50:56,805 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:50:56,805 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:50:56,805 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:50:56,805 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:50:56,805 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:50:56,805 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:50:56,806 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:50:56,806 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:50:56,806 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:50:56,806 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 15:50:56,806 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:50:56,806 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:50:56,806 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 15:50:56,807 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_0513a597-06fb-49b6-b4e3-fe5346ba9d94/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 -> 4b657fa85d3094e08d2f44296b039a2c61bf4699 [2018-11-23 15:50:56,831 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:50:56,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:50:56,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:50:56,843 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:50:56,843 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:50:56,843 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i [2018-11-23 15:50:56,882 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/data/a7c3bb4cc/c92f5dba431143febef685e1023ae665/FLAG0baaa252d [2018-11-23 15:50:57,323 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:50:57,323 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i [2018-11-23 15:50:57,333 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/data/a7c3bb4cc/c92f5dba431143febef685e1023ae665/FLAG0baaa252d [2018-11-23 15:50:57,342 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/data/a7c3bb4cc/c92f5dba431143febef685e1023ae665 [2018-11-23 15:50:57,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:50:57,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:50:57,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:50:57,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:50:57,348 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:50:57,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d97fd37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57, skipping insertion in model container [2018-11-23 15:50:57,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:50:57,386 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:50:57,589 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:50:57,596 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:50:57,669 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:50:57,698 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:50:57,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57 WrapperNode [2018-11-23 15:50:57,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:50:57,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:50:57,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:50:57,699 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:50:57,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:50:57,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:50:57,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:50:57,729 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:50:57,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... [2018-11-23 15:50:57,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:50:57,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:50:57,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:50:57,748 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:50:57,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:50:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 15:50:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-23 15:50:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-23 15:50:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 15:50:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 15:50:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:50:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:50:57,786 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 15:50:57,992 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:50:57,992 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-23 15:50:57,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:57 BoogieIcfgContainer [2018-11-23 15:50:57,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:50:57,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:50:57,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:50:57,995 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:50:57,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:50:57" (1/3) ... [2018-11-23 15:50:57,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19733156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:50:57, skipping insertion in model container [2018-11-23 15:50:57,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:57" (2/3) ... [2018-11-23 15:50:57,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19733156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:50:57, skipping insertion in model container [2018-11-23 15:50:57,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:50:57" (3/3) ... [2018-11-23 15:50:57,997 INFO L112 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf_false-unreach-call.i [2018-11-23 15:50:58,016 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,016 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,016 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,016 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,016 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,017 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,017 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,017 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,017 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,017 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,017 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,017 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,018 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,018 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,018 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,018 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,018 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,019 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,019 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,019 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,019 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,019 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,019 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,019 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,019 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,019 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,019 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,020 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,020 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,020 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,020 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,020 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,020 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,020 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,020 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,021 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,021 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,021 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,021 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,021 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,021 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,021 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,021 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,022 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,022 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,022 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,022 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,022 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,022 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,022 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,022 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,022 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,022 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,022 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,023 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,023 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,023 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,023 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,023 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,023 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,023 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,023 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,023 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,023 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,023 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,023 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:50:58,027 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 15:50:58,027 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:50:58,034 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-23 15:50:58,044 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-23 15:50:58,061 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:50:58,061 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:50:58,061 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:50:58,061 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:50:58,061 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:50:58,061 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:50:58,061 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:50:58,061 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:50:58,067 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46places, 54 transitions [2018-11-23 15:50:58,075 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 15:50:58,077 INFO L168 Benchmark]: Toolchain (without parser) took 732.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -150.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:58,078 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:50:58,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:58,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.56 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:58,080 INFO L168 Benchmark]: Boogie Preprocessor took 19.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:50:58,080 INFO L168 Benchmark]: RCFGBuilder took 244.79 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:58,080 INFO L168 Benchmark]: TraceAbstraction took 83.57 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:50:58,083 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 352.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -189.1 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.56 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.03 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 244.79 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 83.57 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 15:50:59,490 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:50:59,491 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:50:59,500 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:50:59,500 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:50:59,500 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:50:59,501 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:50:59,502 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:50:59,503 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:50:59,504 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:50:59,504 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:50:59,505 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:50:59,505 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:50:59,506 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:50:59,506 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:50:59,507 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:50:59,508 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:50:59,509 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:50:59,510 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:50:59,511 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:50:59,511 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:50:59,512 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:50:59,514 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:50:59,514 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:50:59,514 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:50:59,515 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:50:59,515 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:50:59,516 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:50:59,516 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:50:59,517 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:50:59,517 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:50:59,518 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:50:59,518 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:50:59,518 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:50:59,518 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:50:59,519 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:50:59,519 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 15:50:59,529 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:50:59,529 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:50:59,529 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:50:59,530 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:50:59,530 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 15:50:59,530 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 15:50:59,530 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 15:50:59,530 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 15:50:59,531 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 15:50:59,531 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 15:50:59,531 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:50:59,531 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:50:59,531 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:50:59,532 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:50:59,532 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:50:59,532 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:50:59,532 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:50:59,532 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 15:50:59,532 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 15:50:59,532 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:50:59,532 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:50:59,533 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:50:59,533 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:50:59,533 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:50:59,533 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:50:59,533 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:50:59,533 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:50:59,533 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:50:59,534 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:50:59,534 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:50:59,534 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:50:59,534 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 15:50:59,534 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:50:59,534 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 15:50:59,534 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 15:50:59,534 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_0513a597-06fb-49b6-b4e3-fe5346ba9d94/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 -> 4b657fa85d3094e08d2f44296b039a2c61bf4699 [2018-11-23 15:50:59,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:50:59,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:50:59,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:50:59,576 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:50:59,576 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:50:59,577 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i [2018-11-23 15:50:59,619 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/data/55d05b3eb/fa0748f739c34ccd85be313149f8f698/FLAG1699688cc [2018-11-23 15:51:00,043 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:51:00,043 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/sv-benchmarks/c/pthread-ext/28_buggy_simple_loop1_vf_false-unreach-call.i [2018-11-23 15:51:00,051 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/data/55d05b3eb/fa0748f739c34ccd85be313149f8f698/FLAG1699688cc [2018-11-23 15:51:00,063 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/data/55d05b3eb/fa0748f739c34ccd85be313149f8f698 [2018-11-23 15:51:00,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:51:00,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:51:00,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:51:00,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:51:00,070 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:51:00,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:00" (1/1) ... [2018-11-23 15:51:00,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da4df0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00, skipping insertion in model container [2018-11-23 15:51:00,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:00" (1/1) ... [2018-11-23 15:51:00,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:51:00,112 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:51:00,346 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:51:00,355 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:51:00,383 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:51:00,470 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:51:00,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00 WrapperNode [2018-11-23 15:51:00,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:51:00,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:51:00,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:51:00,471 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:51:00,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2018-11-23 15:51:00,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2018-11-23 15:51:00,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:51:00,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:51:00,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:51:00,495 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:51:00,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2018-11-23 15:51:00,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2018-11-23 15:51:00,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2018-11-23 15:51:00,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2018-11-23 15:51:00,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2018-11-23 15:51:00,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2018-11-23 15:51:00,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... [2018-11-23 15:51:00,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:51:00,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:51:00,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:51:00,515 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:51:00,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0513a597-06fb-49b6-b4e3-fe5346ba9d94/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:51:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 15:51:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-23 15:51:00,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-23 15:51:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 15:51:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 15:51:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:51:00,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:51:00,550 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-23 15:51:00,739 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:51:00,740 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-23 15:51:00,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:00 BoogieIcfgContainer [2018-11-23 15:51:00,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:51:00,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:51:00,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:51:00,742 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:51:00,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:51:00" (1/3) ... [2018-11-23 15:51:00,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162471c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:51:00, skipping insertion in model container [2018-11-23 15:51:00,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:00" (2/3) ... [2018-11-23 15:51:00,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162471c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:51:00, skipping insertion in model container [2018-11-23 15:51:00,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:51:00" (3/3) ... [2018-11-23 15:51:00,744 INFO L112 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf_false-unreach-call.i [2018-11-23 15:51:00,765 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,766 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,766 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,766 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,766 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,766 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,766 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,767 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,767 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,767 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,767 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,767 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,767 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,767 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,768 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,768 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,768 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,768 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,768 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,768 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,768 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,769 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,769 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,769 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,769 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,769 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,769 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,769 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,769 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,770 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,770 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,770 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,770 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,770 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,770 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,770 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,771 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,771 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,771 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,771 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,771 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~y~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,771 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,772 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,772 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,772 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,772 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,772 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,772 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,773 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,773 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~z~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,773 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,773 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,773 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,773 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,773 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,774 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,774 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,774 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,774 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,774 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,774 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,774 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,775 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,775 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,775 WARN L317 ript$VariableManager]: TermVariabe Thread0_thr1_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,775 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 15:51:00,779 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-23 15:51:00,779 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:51:00,784 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-23 15:51:00,793 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-23 15:51:00,807 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:51:00,808 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:51:00,808 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:51:00,808 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:51:00,808 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:51:00,808 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:51:00,808 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:51:00,808 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:51:00,808 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:51:00,814 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46places, 54 transitions [2018-11-23 15:51:00,822 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 15:51:00,824 INFO L168 Benchmark]: Toolchain (without parser) took 758.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -124.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:51:00,825 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:51:00,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. [2018-11-23 15:51:00,826 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:51:00,827 INFO L168 Benchmark]: Boogie Preprocessor took 19.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:51:00,827 INFO L168 Benchmark]: RCFGBuilder took 225.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-11-23 15:51:00,827 INFO L168 Benchmark]: TraceAbstraction took 82.90 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:51:00,830 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 403.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.43 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 225.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 82.90 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Petrification does not provide enough thread instances for Thread0_thr1: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:340) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...