./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe035_pso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_81067bc2-df76-4561-a278-c635d85372a1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_81067bc2-df76-4561-a278-c635d85372a1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_81067bc2-df76-4561-a278-c635d85372a1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_81067bc2-df76-4561-a278-c635d85372a1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe035_pso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_81067bc2-df76-4561-a278-c635d85372a1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_81067bc2-df76-4561-a278-c635d85372a1/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 9908dff743b7e46b9190a89f35a244ffc2425ec1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 07:29:43,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:29:43,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:29:43,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:29:43,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:29:43,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:29:43,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:29:43,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:29:43,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:29:43,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:29:43,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:29:43,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:29:43,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:29:43,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:29:43,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:29:43,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:29:43,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:29:43,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:29:43,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:29:43,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:29:43,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:29:43,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:29:43,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:29:43,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:29:43,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:29:43,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:29:43,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:29:43,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:29:43,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:29:43,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:29:43,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:29:43,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:29:43,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:29:43,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:29:43,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:29:43,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:29:43,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:29:43,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:29:43,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:29:43,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:29:43,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:29:43,087 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_81067bc2-df76-4561-a278-c635d85372a1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 07:29:43,115 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:29:43,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:29:43,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:29:43,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:29:43,117 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 07:29:43,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:29:43,118 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:29:43,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:29:43,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:29:43,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:29:43,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:29:43,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:29:43,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:29:43,119 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:29:43,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:29:43,119 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:29:43,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:29:43,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:29:43,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 07:29:43,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:29:43,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 07:29:43,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 07:29:43,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:29:43,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:29:43,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:29:43,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 07:29:43,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 07:29:43,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:29:43,122 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_81067bc2-df76-4561-a278-c635d85372a1/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 -> 9908dff743b7e46b9190a89f35a244ffc2425ec1 [2019-11-20 07:29:43,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:29:43,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:29:43,327 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:29:43,329 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:29:43,329 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:29:43,330 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_81067bc2-df76-4561-a278-c635d85372a1/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe035_pso.opt.i [2019-11-20 07:29:43,389 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_81067bc2-df76-4561-a278-c635d85372a1/bin/uautomizer/data/b74fb3425/877b2a8855754ee78855965fc8d88e13/FLAG5af05e6e6 [2019-11-20 07:29:43,826 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:29:43,826 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_81067bc2-df76-4561-a278-c635d85372a1/sv-benchmarks/c/pthread-wmm/safe035_pso.opt.i [2019-11-20 07:29:43,841 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_81067bc2-df76-4561-a278-c635d85372a1/bin/uautomizer/data/b74fb3425/877b2a8855754ee78855965fc8d88e13/FLAG5af05e6e6 [2019-11-20 07:29:44,115 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_81067bc2-df76-4561-a278-c635d85372a1/bin/uautomizer/data/b74fb3425/877b2a8855754ee78855965fc8d88e13 [2019-11-20 07:29:44,118 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:29:44,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:29:44,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:29:44,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:29:44,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:29:44,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:29:44" (1/1) ... [2019-11-20 07:29:44,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284a5bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:44, skipping insertion in model container [2019-11-20 07:29:44,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:29:44" (1/1) ... [2019-11-20 07:29:44,135 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:29:44,182 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:29:44,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:29:44,579 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:29:44,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:29:44,690 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:29:44,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:44 WrapperNode [2019-11-20 07:29:44,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:29:44,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:29:44,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:29:44,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:29:44,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:44" (1/1) ... [2019-11-20 07:29:44,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:44" (1/1) ... [2019-11-20 07:29:44,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:29:44,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:29:44,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:29:44,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:29:44,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:44" (1/1) ... [2019-11-20 07:29:44,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:44" (1/1) ... [2019-11-20 07:29:44,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:44" (1/1) ... [2019-11-20 07:29:44,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:44" (1/1) ... [2019-11-20 07:29:44,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:44" (1/1) ... [2019-11-20 07:29:44,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:44" (1/1) ... [2019-11-20 07:29:44,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:44" (1/1) ... [2019-11-20 07:29:44,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:29:44,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:29:44,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:29:44,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:29:44,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_81067bc2-df76-4561-a278-c635d85372a1/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 [2019-11-20 07:29:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 07:29:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-20 07:29:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 07:29:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 07:29:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-20 07:29:44,838 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-20 07:29:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-20 07:29:44,838 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-20 07:29:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-20 07:29:44,838 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-20 07:29:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-20 07:29:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:29:44,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:29:44,841 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-20 07:29:45,185 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:29:45,186 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 07:29:45,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:29:45 BoogieIcfgContainer [2019-11-20 07:29:45,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:29:45,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 07:29:45,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 07:29:45,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 07:29:45,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:29:44" (1/3) ... [2019-11-20 07:29:45,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d08703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:29:45, skipping insertion in model container [2019-11-20 07:29:45,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:29:44" (2/3) ... [2019-11-20 07:29:45,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d08703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:29:45, skipping insertion in model container [2019-11-20 07:29:45,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:29:45" (3/3) ... [2019-11-20 07:29:45,199 INFO L109 eAbstractionObserver]: Analyzing ICFG safe035_pso.opt.i [2019-11-20 07:29:45,251 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,251 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,251 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,252 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,252 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,252 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,253 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,253 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,253 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,253 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork7_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,254 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,254 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork7_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,254 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,254 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,255 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,255 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,255 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,255 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,256 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,256 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,256 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,256 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,257 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,257 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,257 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,257 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,258 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,258 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,258 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,258 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,259 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,259 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,259 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,259 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork8_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,260 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,260 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork8_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,260 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,260 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,261 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,261 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork6_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,261 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,261 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork6_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,262 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,262 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,262 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,262 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,263 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,263 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,263 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,263 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,263 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,264 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,264 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,264 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 07:29:45,291 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-20 07:29:45,291 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 07:29:45,298 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 07:29:45,307 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 07:29:45,325 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 07:29:45,325 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 07:29:45,326 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 07:29:45,326 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 07:29:45,326 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 07:29:45,326 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 07:29:45,326 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 07:29:45,326 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 07:29:45,336 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 96 places, 75 transitions [2019-11-20 07:29:49,024 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 31744 states. [2019-11-20 07:29:49,026 INFO L276 IsEmpty]: Start isEmpty. Operand 31744 states. [2019-11-20 07:29:49,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 07:29:49,092 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:29:49,093 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] [2019-11-20 07:29:49,094 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:29:49,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:29:49,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1238303178, now seen corresponding path program 1 times [2019-11-20 07:29:49,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:29:49,110 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493361086] [2019-11-20 07:29:49,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:29:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:29:49,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:29:49,544 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493361086] [2019-11-20 07:29:49,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:29:49,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 07:29:49,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175463289] [2019-11-20 07:29:49,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 07:29:49,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:29:49,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 07:29:49,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 07:29:49,572 INFO L87 Difference]: Start difference. First operand 31744 states. Second operand 4 states. [2019-11-20 07:29:50,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:29:50,257 INFO L93 Difference]: Finished difference Result 33013 states and 103293 transitions. [2019-11-20 07:29:50,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 07:29:50,259 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-20 07:29:50,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:29:50,427 INFO L225 Difference]: With dead ends: 33013 [2019-11-20 07:29:50,427 INFO L226 Difference]: Without dead ends: 14275 [2019-11-20 07:29:50,429 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 [2019-11-20 07:29:50,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14275 states. [2019-11-20 07:29:51,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14275 to 14275. [2019-11-20 07:29:51,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14275 states. [2019-11-20 07:29:51,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14275 states to 14275 states and 44298 transitions. [2019-11-20 07:29:51,354 INFO L78 Accepts]: Start accepts. Automaton has 14275 states and 44298 transitions. Word has length 31 [2019-11-20 07:29:51,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:29:51,355 INFO L462 AbstractCegarLoop]: Abstraction has 14275 states and 44298 transitions. [2019-11-20 07:29:51,356 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 07:29:51,357 INFO L276 IsEmpty]: Start isEmpty. Operand 14275 states and 44298 transitions. [2019-11-20 07:29:51,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 07:29:51,389 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:29:51,390 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] [2019-11-20 07:29:51,391 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:29:51,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:29:51,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1613006675, now seen corresponding path program 1 times [2019-11-20 07:29:51,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:29:51,403 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372920225] [2019-11-20 07:29:51,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:29:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:29:51,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:29:51,612 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372920225] [2019-11-20 07:29:51,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:29:51,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 07:29:51,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489805994] [2019-11-20 07:29:51,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 07:29:51,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:29:51,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 07:29:51,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-20 07:29:51,616 INFO L87 Difference]: Start difference. First operand 14275 states and 44298 transitions. Second operand 5 states. [2019-11-20 07:29:51,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:29:51,940 INFO L93 Difference]: Finished difference Result 14275 states and 42111 transitions. [2019-11-20 07:29:51,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 07:29:51,941 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-20 07:29:51,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:29:52,022 INFO L225 Difference]: With dead ends: 14275 [2019-11-20 07:29:52,023 INFO L226 Difference]: Without dead ends: 12574 [2019-11-20 07:29:52,024 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-20 07:29:52,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12574 states. [2019-11-20 07:29:52,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12574 to 12574. [2019-11-20 07:29:52,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12574 states. [2019-11-20 07:29:52,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12574 states to 12574 states and 38061 transitions. [2019-11-20 07:29:52,535 INFO L78 Accepts]: Start accepts. Automaton has 12574 states and 38061 transitions. Word has length 32 [2019-11-20 07:29:52,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:29:52,536 INFO L462 AbstractCegarLoop]: Abstraction has 12574 states and 38061 transitions. [2019-11-20 07:29:52,536 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 07:29:52,537 INFO L276 IsEmpty]: Start isEmpty. Operand 12574 states and 38061 transitions. [2019-11-20 07:29:52,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 07:29:52,571 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:29:52,572 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] [2019-11-20 07:29:52,572 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:29:52,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:29:52,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1940741953, now seen corresponding path program 1 times [2019-11-20 07:29:52,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:29:52,574 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77097579] [2019-11-20 07:29:52,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:29:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:29:52,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:29:52,713 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77097579] [2019-11-20 07:29:52,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:29:52,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-20 07:29:52,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751301067] [2019-11-20 07:29:52,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 07:29:52,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:29:52,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 07:29:52,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-20 07:29:52,717 INFO L87 Difference]: Start difference. First operand 12574 states and 38061 transitions. Second operand 6 states. [2019-11-20 07:29:53,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:29:53,149 INFO L93 Difference]: Finished difference Result 8929 states and 24939 transitions. [2019-11-20 07:29:53,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 07:29:53,150 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-20 07:29:53,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:29:53,176 INFO L225 Difference]: With dead ends: 8929 [2019-11-20 07:29:53,176 INFO L226 Difference]: Without dead ends: 7471 [2019-11-20 07:29:53,177 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 [2019-11-20 07:29:53,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7471 states. [2019-11-20 07:29:53,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7471 to 7471. [2019-11-20 07:29:53,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7471 states. [2019-11-20 07:29:53,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7471 states to 7471 states and 21051 transitions. [2019-11-20 07:29:53,408 INFO L78 Accepts]: Start accepts. Automaton has 7471 states and 21051 transitions. Word has length 33 [2019-11-20 07:29:53,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:29:53,409 INFO L462 AbstractCegarLoop]: Abstraction has 7471 states and 21051 transitions. [2019-11-20 07:29:53,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 07:29:53,409 INFO L276 IsEmpty]: Start isEmpty. Operand 7471 states and 21051 transitions. [2019-11-20 07:29:53,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 07:29:53,423 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:29:53,423 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, 1] [2019-11-20 07:29:53,423 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:29:53,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:29:53,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1371263434, now seen corresponding path program 1 times [2019-11-20 07:29:53,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:29:53,425 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88188283] [2019-11-20 07:29:53,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:29:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:29:53,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:29:53,606 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88188283] [2019-11-20 07:29:53,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:29:53,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 07:29:53,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237510269] [2019-11-20 07:29:53,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 07:29:53,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:29:53,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 07:29:53,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-20 07:29:53,608 INFO L87 Difference]: Start difference. First operand 7471 states and 21051 transitions. Second operand 7 states. [2019-11-20 07:29:54,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:29:54,025 INFO L93 Difference]: Finished difference Result 17029 states and 47889 transitions. [2019-11-20 07:29:54,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 07:29:54,026 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-11-20 07:29:54,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:29:54,051 INFO L225 Difference]: With dead ends: 17029 [2019-11-20 07:29:54,051 INFO L226 Difference]: Without dead ends: 6436 [2019-11-20 07:29:54,052 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2019-11-20 07:29:54,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6436 states. [2019-11-20 07:29:54,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6436 to 6436. [2019-11-20 07:29:54,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6436 states. [2019-11-20 07:29:54,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6436 states to 6436 states and 18018 transitions. [2019-11-20 07:29:54,238 INFO L78 Accepts]: Start accepts. Automaton has 6436 states and 18018 transitions. Word has length 34 [2019-11-20 07:29:54,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:29:54,239 INFO L462 AbstractCegarLoop]: Abstraction has 6436 states and 18018 transitions. [2019-11-20 07:29:54,239 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 07:29:54,239 INFO L276 IsEmpty]: Start isEmpty. Operand 6436 states and 18018 transitions. [2019-11-20 07:29:54,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 07:29:54,250 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:29:54,250 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, 1] [2019-11-20 07:29:54,250 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:29:54,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:29:54,251 INFO L82 PathProgramCache]: Analyzing trace with hash -508062892, now seen corresponding path program 2 times [2019-11-20 07:29:54,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:29:54,252 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076662961] [2019-11-20 07:29:54,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:29:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:29:54,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:29:54,411 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076662961] [2019-11-20 07:29:54,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:29:54,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-20 07:29:54,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202474921] [2019-11-20 07:29:54,412 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 07:29:54,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:29:54,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 07:29:54,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-20 07:29:54,412 INFO L87 Difference]: Start difference. First operand 6436 states and 18018 transitions. Second operand 8 states. [2019-11-20 07:29:54,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:29:54,650 INFO L93 Difference]: Finished difference Result 11053 states and 30978 transitions. [2019-11-20 07:29:54,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 07:29:54,651 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-11-20 07:29:54,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:29:54,666 INFO L225 Difference]: With dead ends: 11053 [2019-11-20 07:29:54,666 INFO L226 Difference]: Without dead ends: 6355 [2019-11-20 07:29:54,667 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2019-11-20 07:29:54,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6355 states. [2019-11-20 07:29:54,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6355 to 6355. [2019-11-20 07:29:54,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6355 states. [2019-11-20 07:29:54,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6355 states to 6355 states and 17856 transitions. [2019-11-20 07:29:54,842 INFO L78 Accepts]: Start accepts. Automaton has 6355 states and 17856 transitions. Word has length 34 [2019-11-20 07:29:54,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:29:54,843 INFO L462 AbstractCegarLoop]: Abstraction has 6355 states and 17856 transitions. [2019-11-20 07:29:54,843 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 07:29:54,844 INFO L276 IsEmpty]: Start isEmpty. Operand 6355 states and 17856 transitions. [2019-11-20 07:29:54,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 07:29:54,856 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 07:29:54,856 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, 1] [2019-11-20 07:29:54,856 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 07:29:54,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:29:54,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1045918470, now seen corresponding path program 3 times [2019-11-20 07:29:54,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 07:29:54,858 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379774662] [2019-11-20 07:29:54,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 07:29:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:29:55,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:29:55,020 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379774662] [2019-11-20 07:29:55,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:29:55,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-20 07:29:55,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327833968] [2019-11-20 07:29:55,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-20 07:29:55,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 07:29:55,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-20 07:29:55,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-20 07:29:55,022 INFO L87 Difference]: Start difference. First operand 6355 states and 17856 transitions. Second operand 7 states. [2019-11-20 07:29:55,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:29:55,280 INFO L93 Difference]: Finished difference Result 4897 states and 13482 transitions. [2019-11-20 07:29:55,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 07:29:55,281 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-11-20 07:29:55,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:29:55,282 INFO L225 Difference]: With dead ends: 4897 [2019-11-20 07:29:55,282 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 07:29:55,283 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-20 07:29:55,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 07:29:55,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 07:29:55,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 07:29:55,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 07:29:55,285 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-11-20 07:29:55,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:29:55,285 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:29:55,286 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-20 07:29:55,286 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 07:29:55,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 07:29:55,289 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-20 07:29:55,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:29:55 BasicIcfg [2019-11-20 07:29:55,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 07:29:55,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:29:55,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:29:55,293 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:29:55,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:29:45" (3/4) ... [2019-11-20 07:29:55,300 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 07:29:55,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-20 07:29:55,328 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-20 07:29:55,329 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-20 07:29:55,334 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 07:29:55,336 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 07:29:55,337 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 07:29:55,402 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_81067bc2-df76-4561-a278-c635d85372a1/bin/uautomizer/witness.graphml [2019-11-20 07:29:55,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:29:55,406 INFO L168 Benchmark]: Toolchain (without parser) took 11284.99 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 479.2 MB). Free memory was 944.7 MB in the beginning and 904.2 MB in the end (delta: 40.5 MB). Peak memory consumption was 519.7 MB. Max. memory is 11.5 GB. [2019-11-20 07:29:55,409 INFO L168 Benchmark]: CDTParser took 0.19 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. [2019-11-20 07:29:55,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -193.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-20 07:29:55,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.68 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. [2019-11-20 07:29:55,411 INFO L168 Benchmark]: Boogie Preprocessor took 27.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:29:55,417 INFO L168 Benchmark]: RCFGBuilder took 422.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-11-20 07:29:55,418 INFO L168 Benchmark]: TraceAbstraction took 10104.72 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 307.2 MB). Free memory was 1.1 GB in the beginning and 907.6 MB in the end (delta: 203.0 MB). Peak memory consumption was 510.2 MB. Max. memory is 11.5 GB. [2019-11-20 07:29:55,419 INFO L168 Benchmark]: Witness Printer took 110.12 ms. Allocated memory is still 1.5 GB. Free memory was 907.6 MB in the beginning and 904.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:29:55,421 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 570.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -193.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.68 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 27.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 422.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10104.72 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 307.2 MB). Free memory was 1.1 GB in the beginning and 907.6 MB in the end (delta: 203.0 MB). Peak memory consumption was 510.2 MB. Max. memory is 11.5 GB. * Witness Printer took 110.12 ms. Allocated memory is still 1.5 GB. Free memory was 907.6 MB in the beginning and 904.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 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, 90 locations, 1 error locations. Result: SAFE, OverallTime: 9.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 552 SDtfs, 914 SDslu, 1453 SDs, 0 SdLazy, 242 SolverSat, 142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31744occurred 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: 2.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 17844 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...