./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe029_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6d82e466-4a42-4764-b21e-d5fa9824a815/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6d82e466-4a42-4764-b21e-d5fa9824a815/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6d82e466-4a42-4764-b21e-d5fa9824a815/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6d82e466-4a42-4764-b21e-d5fa9824a815/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe029_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6d82e466-4a42-4764-b21e-d5fa9824a815/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6d82e466-4a42-4764-b21e-d5fa9824a815/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 76d0422320a8dad5e5124cc01f915c6b07e97ebf ............................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:49:04,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:49:04,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:49:04,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:49:04,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:49:04,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:49:04,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:49:04,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:49:04,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:49:04,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:49:04,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:49:04,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:49:04,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:49:04,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:49:04,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:49:04,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:49:04,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:49:04,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:49:04,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:49:04,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:49:04,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:49:04,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:49:04,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:49:04,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:49:04,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:49:04,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:49:04,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:49:04,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:49:04,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:49:04,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:49:04,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:49:04,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:49:04,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:49:04,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:49:04,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:49:04,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:49:04,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:49:04,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:49:04,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:49:04,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:49:04,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:49:04,700 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6d82e466-4a42-4764-b21e-d5fa9824a815/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:49:04,721 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:49:04,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:49:04,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:49:04,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:49:04,727 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:49:04,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:49:04,728 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:49:04,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:49:04,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:49:04,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:49:04,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:49:04,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:49:04,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:49:04,729 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:49:04,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:49:04,729 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:49:04,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:49:04,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:49:04,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:49:04,730 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:49:04,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:49:04,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:49:04,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:49:04,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:49:04,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:49:04,731 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:49:04,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:49:04,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:49:04,732 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_6d82e466-4a42-4764-b21e-d5fa9824a815/bin/uautomizer 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 -> Automizer 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 -> 76d0422320a8dad5e5124cc01f915c6b07e97ebf [2019-11-25 08:49:04,859 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:49:04,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:49:04,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:49:04,876 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:49:04,877 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:49:04,878 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6d82e466-4a42-4764-b21e-d5fa9824a815/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe029_tso.oepc.i [2019-11-25 08:49:04,938 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d82e466-4a42-4764-b21e-d5fa9824a815/bin/uautomizer/data/053b58107/b100312bb0104def97b0ee7b5fdd30d3/FLAGa64e040df [2019-11-25 08:49:05,380 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:49:05,381 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6d82e466-4a42-4764-b21e-d5fa9824a815/sv-benchmarks/c/pthread-wmm/safe029_tso.oepc.i [2019-11-25 08:49:05,405 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d82e466-4a42-4764-b21e-d5fa9824a815/bin/uautomizer/data/053b58107/b100312bb0104def97b0ee7b5fdd30d3/FLAGa64e040df [2019-11-25 08:49:05,417 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6d82e466-4a42-4764-b21e-d5fa9824a815/bin/uautomizer/data/053b58107/b100312bb0104def97b0ee7b5fdd30d3 [2019-11-25 08:49:05,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:49:05,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:49:05,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:05,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:49:05,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:49:05,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:05" (1/1) ... [2019-11-25 08:49:05,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3565fd67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:05, skipping insertion in model container [2019-11-25 08:49:05,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:05" (1/1) ... [2019-11-25 08:49:05,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:49:05,469 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:49:05,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:05,902 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:49:05,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:06,027 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:49:06,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06 WrapperNode [2019-11-25 08:49:06,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:06,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:06,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:49:06,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:49:06,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (1/1) ... [2019-11-25 08:49:06,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (1/1) ... [2019-11-25 08:49:06,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:06,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:49:06,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:49:06,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:49:06,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (1/1) ... [2019-11-25 08:49:06,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (1/1) ... [2019-11-25 08:49:06,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (1/1) ... [2019-11-25 08:49:06,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (1/1) ... [2019-11-25 08:49:06,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (1/1) ... [2019-11-25 08:49:06,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (1/1) ... [2019-11-25 08:49:06,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (1/1) ... [2019-11-25 08:49:06,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:49:06,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:49:06,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:49:06,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:49:06,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d82e466-4a42-4764-b21e-d5fa9824a815/bin/uautomizer/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 [2019-11-25 08:49:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:49:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-25 08:49:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:49:06,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:49:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-25 08:49:06,162 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-25 08:49:06,162 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-25 08:49:06,163 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-25 08:49:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-25 08:49:06,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:49:06,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:49:06,166 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-25 08:49:06,487 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:49:06,487 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-25 08:49:06,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:06 BoogieIcfgContainer [2019-11-25 08:49:06,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:49:06,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:49:06,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:49:06,492 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:49:06,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:49:05" (1/3) ... [2019-11-25 08:49:06,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64982ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:49:06, skipping insertion in model container [2019-11-25 08:49:06,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:06" (2/3) ... [2019-11-25 08:49:06,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64982ef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:49:06, skipping insertion in model container [2019-11-25 08:49:06,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:06" (3/3) ... [2019-11-25 08:49:06,495 INFO L109 eAbstractionObserver]: Analyzing ICFG safe029_tso.oepc.i [2019-11-25 08:49:06,533 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,533 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,534 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,534 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,534 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,535 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,535 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,535 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,535 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,536 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,536 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,536 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,537 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,537 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,537 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,537 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,538 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,538 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,538 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,539 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,539 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,539 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,539 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,539 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,540 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,540 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,540 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,540 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,541 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,541 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,541 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,541 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,542 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,542 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,542 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,542 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:49:06,564 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 08:49:06,564 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:49:06,569 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:49:06,576 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:49:06,593 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:49:06,593 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:49:06,593 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:49:06,593 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:49:06,593 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:49:06,593 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:49:06,594 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:49:06,594 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:49:06,603 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 69 places, 55 transitions [2019-11-25 08:49:06,652 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 285 states. [2019-11-25 08:49:06,654 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states. [2019-11-25 08:49:06,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-25 08:49:06,663 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:06,664 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:06,664 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:06,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:06,670 INFO L82 PathProgramCache]: Analyzing trace with hash -833809715, now seen corresponding path program 1 times [2019-11-25 08:49:06,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:06,678 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263719632] [2019-11-25 08:49:06,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:07,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:07,001 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263719632] [2019-11-25 08:49:07,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:07,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:49:07,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331465988] [2019-11-25 08:49:07,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:49:07,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:07,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:49:07,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:49:07,023 INFO L87 Difference]: Start difference. First operand 285 states. Second operand 5 states. [2019-11-25 08:49:07,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:07,124 INFO L93 Difference]: Finished difference Result 286 states and 645 transitions. [2019-11-25 08:49:07,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:49:07,126 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-11-25 08:49:07,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:49:07,137 INFO L225 Difference]: With dead ends: 286 [2019-11-25 08:49:07,137 INFO L226 Difference]: Without dead ends: 150 [2019-11-25 08:49:07,139 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:49:07,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-11-25 08:49:07,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-11-25 08:49:07,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-11-25 08:49:07,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 324 transitions. [2019-11-25 08:49:07,196 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 324 transitions. Word has length 24 [2019-11-25 08:49:07,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:49:07,197 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 324 transitions. [2019-11-25 08:49:07,197 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:49:07,197 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 324 transitions. [2019-11-25 08:49:07,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-25 08:49:07,199 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:07,200 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:07,200 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:07,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:07,200 INFO L82 PathProgramCache]: Analyzing trace with hash -600174457, now seen corresponding path program 1 times [2019-11-25 08:49:07,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:07,201 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536675115] [2019-11-25 08:49:07,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:07,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:07,342 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536675115] [2019-11-25 08:49:07,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:07,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:49:07,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289106806] [2019-11-25 08:49:07,344 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:49:07,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:07,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:49:07,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:49:07,345 INFO L87 Difference]: Start difference. First operand 150 states and 324 transitions. Second operand 5 states. [2019-11-25 08:49:07,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:07,419 INFO L93 Difference]: Finished difference Result 123 states and 240 transitions. [2019-11-25 08:49:07,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:49:07,420 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-25 08:49:07,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:49:07,424 INFO L225 Difference]: With dead ends: 123 [2019-11-25 08:49:07,424 INFO L226 Difference]: Without dead ends: 108 [2019-11-25 08:49:07,425 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:49:07,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-11-25 08:49:07,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-11-25 08:49:07,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-25 08:49:07,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 212 transitions. [2019-11-25 08:49:07,445 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 212 transitions. Word has length 25 [2019-11-25 08:49:07,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:49:07,446 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 212 transitions. [2019-11-25 08:49:07,446 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:49:07,446 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 212 transitions. [2019-11-25 08:49:07,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-25 08:49:07,447 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:49:07,447 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:49:07,448 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:49:07,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:07,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1142856441, now seen corresponding path program 1 times [2019-11-25 08:49:07,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:07,448 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739278971] [2019-11-25 08:49:07,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:07,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:07,612 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739278971] [2019-11-25 08:49:07,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:49:07,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:49:07,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947418884] [2019-11-25 08:49:07,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:49:07,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:49:07,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:49:07,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:49:07,614 INFO L87 Difference]: Start difference. First operand 108 states and 212 transitions. Second operand 6 states. [2019-11-25 08:49:07,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:49:07,725 INFO L93 Difference]: Finished difference Result 90 states and 170 transitions. [2019-11-25 08:49:07,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:49:07,725 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-11-25 08:49:07,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:49:07,726 INFO L225 Difference]: With dead ends: 90 [2019-11-25 08:49:07,726 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:49:07,726 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:49:07,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:49:07,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:49:07,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:49:07,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:49:07,727 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2019-11-25 08:49:07,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:49:07,727 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:49:07,727 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:49:07,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:49:07,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:49:07,730 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-25 08:49:07,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:49:07 BasicIcfg [2019-11-25 08:49:07,732 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:49:07,732 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:49:07,733 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:49:07,733 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:49:07,733 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:06" (3/4) ... [2019-11-25 08:49:07,736 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:49:07,743 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-25 08:49:07,743 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-25 08:49:07,747 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-25 08:49:07,748 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 08:49:07,748 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:49:07,785 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6d82e466-4a42-4764-b21e-d5fa9824a815/bin/uautomizer/witness.graphml [2019-11-25 08:49:07,785 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:49:07,787 INFO L168 Benchmark]: Toolchain (without parser) took 2366.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 946.0 MB in the beginning and 995.2 MB in the end (delta: -49.2 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:07,788 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:07,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:07,789 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.58 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. [2019-11-25 08:49:07,789 INFO L168 Benchmark]: Boogie Preprocessor took 20.53 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. [2019-11-25 08:49:07,790 INFO L168 Benchmark]: RCFGBuilder took 385.81 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: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:07,790 INFO L168 Benchmark]: TraceAbstraction took 1243.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.2 MB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:07,791 INFO L168 Benchmark]: Witness Printer took 52.95 ms. Allocated memory is still 1.2 GB. Free memory is still 995.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:07,793 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 608.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -163.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.58 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. * Boogie Preprocessor took 20.53 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 385.81 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: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1243.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.2 MB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. * Witness Printer took 52.95 ms. Allocated memory is still 1.2 GB. Free memory is still 995.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 65 locations, 1 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 99 SDtfs, 108 SDslu, 182 SDs, 0 SdLazy, 28 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=285occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 5776 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...