./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe015_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_87666937-e10e-4401-a64d-dca52f06acb2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_87666937-e10e-4401-a64d-dca52f06acb2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_87666937-e10e-4401-a64d-dca52f06acb2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_87666937-e10e-4401-a64d-dca52f06acb2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe015_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_87666937-e10e-4401-a64d-dca52f06acb2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_87666937-e10e-4401-a64d-dca52f06acb2/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 0c32323bf3299550f710729dda6257392363a4b6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 08:55:36,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:55:36,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:55:36,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:55:36,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:55:36,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:55:36,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:55:36,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:55:36,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:55:36,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:55:36,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:55:36,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:55:36,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:55:36,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:55:36,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:55:36,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:55:36,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:55:36,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:55:36,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:55:36,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:55:36,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:55:36,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:55:36,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:55:36,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:55:36,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:55:36,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:55:36,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:55:36,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:55:36,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:55:36,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:55:36,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:55:36,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:55:36,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:55:36,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:55:36,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:55:36,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:55:36,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:55:36,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:55:36,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:55:36,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:55:36,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:55:36,836 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_87666937-e10e-4401-a64d-dca52f06acb2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:55:36,852 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:55:36,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:55:36,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:55:36,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:55:36,854 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:55:36,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:55:36,854 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:55:36,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:55:36,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:55:36,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:55:36,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:55:36,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:55:36,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:55:36,856 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:55:36,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:55:36,857 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:55:36,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:55:36,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:55:36,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:55:36,857 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:55:36,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:55:36,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:55:36,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:55:36,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:55:36,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:55:36,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:55:36,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:55:36,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:55:36,859 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_87666937-e10e-4401-a64d-dca52f06acb2/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 -> 0c32323bf3299550f710729dda6257392363a4b6 [2019-11-25 08:55:37,009 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:55:37,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:55:37,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:55:37,027 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:55:37,027 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:55:37,028 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_87666937-e10e-4401-a64d-dca52f06acb2/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe015_tso.oepc.i [2019-11-25 08:55:37,083 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_87666937-e10e-4401-a64d-dca52f06acb2/bin/uautomizer/data/047762b4e/d2884a4fc164428c9f0b87f768f1347f/FLAG40cb770f0 [2019-11-25 08:55:37,548 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:55:37,549 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_87666937-e10e-4401-a64d-dca52f06acb2/sv-benchmarks/c/pthread-wmm/safe015_tso.oepc.i [2019-11-25 08:55:37,563 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_87666937-e10e-4401-a64d-dca52f06acb2/bin/uautomizer/data/047762b4e/d2884a4fc164428c9f0b87f768f1347f/FLAG40cb770f0 [2019-11-25 08:55:37,576 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_87666937-e10e-4401-a64d-dca52f06acb2/bin/uautomizer/data/047762b4e/d2884a4fc164428c9f0b87f768f1347f [2019-11-25 08:55:37,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:55:37,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:55:37,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:37,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:55:37,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:55:37,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:37" (1/1) ... [2019-11-25 08:55:37,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5311fce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:37, skipping insertion in model container [2019-11-25 08:55:37,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:37" (1/1) ... [2019-11-25 08:55:37,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:55:37,634 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:55:38,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:38,059 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:55:38,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:38,195 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:55:38,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:38 WrapperNode [2019-11-25 08:55:38,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:38,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:55:38,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:55:38,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:55:38,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:38" (1/1) ... [2019-11-25 08:55:38,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:38" (1/1) ... [2019-11-25 08:55:38,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:55:38,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:55:38,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:55:38,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:55:38,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:38" (1/1) ... [2019-11-25 08:55:38,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:38" (1/1) ... [2019-11-25 08:55:38,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:38" (1/1) ... [2019-11-25 08:55:38,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:38" (1/1) ... [2019-11-25 08:55:38,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:38" (1/1) ... [2019-11-25 08:55:38,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:38" (1/1) ... [2019-11-25 08:55:38,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:38" (1/1) ... [2019-11-25 08:55:38,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:55:38,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:55:38,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:55:38,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:55:38,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_87666937-e10e-4401-a64d-dca52f06acb2/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 08:55:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:55:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-25 08:55:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:55:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:55:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-25 08:55:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-25 08:55:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-25 08:55:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-25 08:55:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-25 08:55:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-25 08:55:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-25 08:55:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:55:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:55:38,326 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 08:55:38,721 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:55:38,721 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-25 08:55:38,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:38 BoogieIcfgContainer [2019-11-25 08:55:38,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:55:38,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:55:38,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:55:38,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:55:38,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:55:37" (1/3) ... [2019-11-25 08:55:38,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227f4a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:55:38, skipping insertion in model container [2019-11-25 08:55:38,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:38" (2/3) ... [2019-11-25 08:55:38,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227f4a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:55:38, skipping insertion in model container [2019-11-25 08:55:38,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:38" (3/3) ... [2019-11-25 08:55:38,728 INFO L109 eAbstractionObserver]: Analyzing ICFG safe015_tso.oepc.i [2019-11-25 08:55:38,771 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,771 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,771 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,771 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,772 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,772 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,772 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,772 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,773 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,773 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,773 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,773 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,773 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,774 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,774 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,774 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,774 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,774 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,775 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,775 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,775 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,775 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,775 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,775 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,776 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,776 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,776 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,776 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,776 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,777 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,777 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,777 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,777 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,777 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,778 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,778 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,778 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,778 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,778 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,779 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,779 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,779 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,779 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,779 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,780 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,780 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,780 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,780 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,780 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,781 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,781 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,781 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,781 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,781 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:55:38,805 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 08:55:38,805 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:55:38,811 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:55:38,819 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:55:38,837 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:55:38,837 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:55:38,837 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:55:38,837 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:55:38,838 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:55:38,838 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:55:38,838 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:55:38,838 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:55:38,848 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 74 transitions [2019-11-25 08:55:38,980 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1247 states. [2019-11-25 08:55:38,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states. [2019-11-25 08:55:38,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-25 08:55:38,997 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:38,997 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, 1, 1, 1, 1] [2019-11-25 08:55:38,998 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:39,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:39,003 INFO L82 PathProgramCache]: Analyzing trace with hash 13746748, now seen corresponding path program 1 times [2019-11-25 08:55:39,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:39,012 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765428062] [2019-11-25 08:55:39,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:39,391 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 08:55:39,392 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765428062] [2019-11-25 08:55:39,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:39,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:55:39,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774553498] [2019-11-25 08:55:39,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:55:39,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:39,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:55:39,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:55:39,409 INFO L87 Difference]: Start difference. First operand 1247 states. Second operand 4 states. [2019-11-25 08:55:39,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:39,505 INFO L93 Difference]: Finished difference Result 1294 states and 3960 transitions. [2019-11-25 08:55:39,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:55:39,506 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-11-25 08:55:39,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:39,538 INFO L225 Difference]: With dead ends: 1294 [2019-11-25 08:55:39,538 INFO L226 Difference]: Without dead ends: 600 [2019-11-25 08:55:39,540 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:55:39,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2019-11-25 08:55:39,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2019-11-25 08:55:39,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-11-25 08:55:39,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1775 transitions. [2019-11-25 08:55:39,650 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1775 transitions. Word has length 30 [2019-11-25 08:55:39,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:39,651 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 1775 transitions. [2019-11-25 08:55:39,651 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:55:39,651 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1775 transitions. [2019-11-25 08:55:39,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-25 08:55:39,654 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:39,654 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, 1, 1, 1, 1, 1] [2019-11-25 08:55:39,655 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:39,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:39,656 INFO L82 PathProgramCache]: Analyzing trace with hash 413984986, now seen corresponding path program 1 times [2019-11-25 08:55:39,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:39,656 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761640589] [2019-11-25 08:55:39,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:39,763 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 08:55:39,764 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761640589] [2019-11-25 08:55:39,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:39,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:55:39,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686778537] [2019-11-25 08:55:39,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:55:39,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:39,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:55:39,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:55:39,767 INFO L87 Difference]: Start difference. First operand 600 states and 1775 transitions. Second operand 5 states. [2019-11-25 08:55:39,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:39,844 INFO L93 Difference]: Finished difference Result 600 states and 1694 transitions. [2019-11-25 08:55:39,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:55:39,844 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-25 08:55:39,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:39,851 INFO L225 Difference]: With dead ends: 600 [2019-11-25 08:55:39,852 INFO L226 Difference]: Without dead ends: 537 [2019-11-25 08:55:39,853 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 08:55:39,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-11-25 08:55:39,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2019-11-25 08:55:39,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-11-25 08:55:39,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 1544 transitions. [2019-11-25 08:55:39,890 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 1544 transitions. Word has length 31 [2019-11-25 08:55:39,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:39,890 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 1544 transitions. [2019-11-25 08:55:39,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:55:39,891 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1544 transitions. [2019-11-25 08:55:39,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-25 08:55:39,894 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:39,894 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, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:39,894 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:39,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:39,895 INFO L82 PathProgramCache]: Analyzing trace with hash 772614768, now seen corresponding path program 1 times [2019-11-25 08:55:39,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:39,895 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042235220] [2019-11-25 08:55:39,895 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:40,037 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 08:55:40,037 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042235220] [2019-11-25 08:55:40,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:40,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:55:40,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221953673] [2019-11-25 08:55:40,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:55:40,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:40,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:55:40,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:55:40,039 INFO L87 Difference]: Start difference. First operand 537 states and 1544 transitions. Second operand 6 states. [2019-11-25 08:55:40,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:40,133 INFO L93 Difference]: Finished difference Result 402 states and 1058 transitions. [2019-11-25 08:55:40,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:55:40,134 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-25 08:55:40,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:40,137 INFO L225 Difference]: With dead ends: 402 [2019-11-25 08:55:40,137 INFO L226 Difference]: Without dead ends: 348 [2019-11-25 08:55:40,138 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:55:40,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-11-25 08:55:40,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 348. [2019-11-25 08:55:40,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-11-25 08:55:40,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 914 transitions. [2019-11-25 08:55:40,151 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 914 transitions. Word has length 32 [2019-11-25 08:55:40,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:40,152 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 914 transitions. [2019-11-25 08:55:40,152 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:55:40,152 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 914 transitions. [2019-11-25 08:55:40,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:55:40,154 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:40,154 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:40,154 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:40,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:40,155 INFO L82 PathProgramCache]: Analyzing trace with hash 397274922, now seen corresponding path program 1 times [2019-11-25 08:55:40,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:40,155 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773831082] [2019-11-25 08:55:40,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:40,325 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 08:55:40,325 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773831082] [2019-11-25 08:55:40,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:40,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:55:40,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532062792] [2019-11-25 08:55:40,326 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-25 08:55:40,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:40,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:55:40,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:55:40,327 INFO L87 Difference]: Start difference. First operand 348 states and 914 transitions. Second operand 6 states. [2019-11-25 08:55:40,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:40,448 INFO L93 Difference]: Finished difference Result 519 states and 1394 transitions. [2019-11-25 08:55:40,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:55:40,448 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-25 08:55:40,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:40,451 INFO L225 Difference]: With dead ends: 519 [2019-11-25 08:55:40,451 INFO L226 Difference]: Without dead ends: 276 [2019-11-25 08:55:40,451 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 08:55:40,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2019-11-25 08:55:40,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 276. [2019-11-25 08:55:40,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2019-11-25 08:55:40,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 725 transitions. [2019-11-25 08:55:40,463 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 725 transitions. Word has length 33 [2019-11-25 08:55:40,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:40,464 INFO L462 AbstractCegarLoop]: Abstraction has 276 states and 725 transitions. [2019-11-25 08:55:40,464 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-25 08:55:40,464 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 725 transitions. [2019-11-25 08:55:40,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:55:40,467 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:40,467 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:40,467 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:40,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:40,468 INFO L82 PathProgramCache]: Analyzing trace with hash -327307936, now seen corresponding path program 2 times [2019-11-25 08:55:40,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:40,469 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114779097] [2019-11-25 08:55:40,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:40,638 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 08:55:40,639 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114779097] [2019-11-25 08:55:40,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:40,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:55:40,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611483969] [2019-11-25 08:55:40,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:55:40,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:40,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:55:40,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:55:40,641 INFO L87 Difference]: Start difference. First operand 276 states and 725 transitions. Second operand 7 states. [2019-11-25 08:55:40,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:40,947 INFO L93 Difference]: Finished difference Result 447 states and 1205 transitions. [2019-11-25 08:55:40,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:55:40,948 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-25 08:55:40,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:40,950 INFO L225 Difference]: With dead ends: 447 [2019-11-25 08:55:40,950 INFO L226 Difference]: Without dead ends: 252 [2019-11-25 08:55:40,951 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-25 08:55:40,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2019-11-25 08:55:40,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2019-11-25 08:55:40,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2019-11-25 08:55:40,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 671 transitions. [2019-11-25 08:55:40,960 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 671 transitions. Word has length 33 [2019-11-25 08:55:40,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:40,961 INFO L462 AbstractCegarLoop]: Abstraction has 252 states and 671 transitions. [2019-11-25 08:55:40,961 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:55:40,961 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 671 transitions. [2019-11-25 08:55:40,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-25 08:55:40,962 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:40,962 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:55:40,962 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:40,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:40,963 INFO L82 PathProgramCache]: Analyzing trace with hash -699520686, now seen corresponding path program 3 times [2019-11-25 08:55:40,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:55:40,963 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36163080] [2019-11-25 08:55:40,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:55:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:41,063 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 08:55:41,064 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36163080] [2019-11-25 08:55:41,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:55:41,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:55:41,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854588371] [2019-11-25 08:55:41,064 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:55:41,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:55:41,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:55:41,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:55:41,065 INFO L87 Difference]: Start difference. First operand 252 states and 671 transitions. Second operand 7 states. [2019-11-25 08:55:41,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:55:41,149 INFO L93 Difference]: Finished difference Result 198 states and 509 transitions. [2019-11-25 08:55:41,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:55:41,149 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-11-25 08:55:41,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:55:41,150 INFO L225 Difference]: With dead ends: 198 [2019-11-25 08:55:41,150 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:55:41,150 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-25 08:55:41,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:55:41,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:55:41,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:55:41,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:55:41,151 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-11-25 08:55:41,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:55:41,151 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:55:41,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:55:41,151 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:55:41,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:55:41,154 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-25 08:55:41,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:55:41 BasicIcfg [2019-11-25 08:55:41,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:55:41,156 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:55:41,157 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:55:41,157 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:55:41,157 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:38" (3/4) ... [2019-11-25 08:55:41,160 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:55:41,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-25 08:55:41,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-25 08:55:41,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-25 08:55:41,188 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-25 08:55:41,189 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 08:55:41,189 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:55:41,244 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_87666937-e10e-4401-a64d-dca52f06acb2/bin/uautomizer/witness.graphml [2019-11-25 08:55:41,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:55:41,246 INFO L168 Benchmark]: Toolchain (without parser) took 3665.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -139.2 MB). Peak memory consumption was 242.3 kB. Max. memory is 11.5 GB. [2019-11-25 08:55:41,246 INFO L168 Benchmark]: CDTParser took 5.75 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:55:41,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -161.2 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:41,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:41,248 INFO L168 Benchmark]: Boogie Preprocessor took 26.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:41,253 INFO L168 Benchmark]: RCFGBuilder took 457.08 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: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:41,253 INFO L168 Benchmark]: TraceAbstraction took 2432.92 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: -12.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:55:41,253 INFO L168 Benchmark]: Witness Printer took 87.69 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: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:41,255 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 5.75 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 615.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -161.2 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 457.08 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: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2432.92 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: -12.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 87.69 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: 4.9 MB). Peak memory consumption was 4.9 MB. 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 13 procedures, 89 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 287 SDtfs, 348 SDslu, 719 SDs, 0 SdLazy, 116 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1247occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 16282 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...