./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/thin001_pso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1b390c4a-5a09-4495-a1ef-49f6d506dcf4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1b390c4a-5a09-4495-a1ef-49f6d506dcf4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1b390c4a-5a09-4495-a1ef-49f6d506dcf4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1b390c4a-5a09-4495-a1ef-49f6d506dcf4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/thin001_pso.oepc.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1b390c4a-5a09-4495-a1ef-49f6d506dcf4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1b390c4a-5a09-4495-a1ef-49f6d506dcf4/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 7f46204e075cafb4e73b7c7fa7b16fd56dc07ed3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:59:47,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:59:47,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:59:47,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:59:47,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:59:47,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:59:47,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:59:47,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:59:47,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:59:47,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:59:47,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:59:47,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:59:47,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:59:47,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:59:47,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:59:47,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:59:47,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:59:47,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:59:47,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:59:47,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:59:47,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:59:47,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:59:47,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:59:47,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:59:47,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:59:47,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:59:47,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:59:47,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:59:47,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:59:47,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:59:47,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:59:47,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:59:47,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:59:47,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:59:47,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:59:47,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:59:47,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:59:47,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:59:47,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:59:47,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:59:47,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:59:47,094 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1b390c4a-5a09-4495-a1ef-49f6d506dcf4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:59:47,107 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:59:47,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:59:47,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:59:47,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:59:47,113 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:59:47,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:59:47,113 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:59:47,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:59:47,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:59:47,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:59:47,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:59:47,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:59:47,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:59:47,114 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:59:47,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:59:47,114 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:59:47,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:59:47,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:59:47,115 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:59:47,116 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:59:47,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:59:47,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:59:47,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:59:47,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:59:47,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:59:47,116 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:59:47,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:59:47,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:59:47,117 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/working_dir_1b390c4a-5a09-4495-a1ef-49f6d506dcf4/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 -> 7f46204e075cafb4e73b7c7fa7b16fd56dc07ed3 [2019-10-22 08:59:47,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:59:47,165 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:59:47,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:59:47,171 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:59:47,172 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:59:47,174 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1b390c4a-5a09-4495-a1ef-49f6d506dcf4/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/thin001_pso.oepc.i [2019-10-22 08:59:47,228 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b390c4a-5a09-4495-a1ef-49f6d506dcf4/bin/uautomizer/data/042189ccc/5fa60c20933840b6ad0d882159452a33/FLAG2ea28d240 [2019-10-22 08:59:47,639 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:59:47,640 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1b390c4a-5a09-4495-a1ef-49f6d506dcf4/sv-benchmarks/c/pthread-wmm/thin001_pso.oepc.i [2019-10-22 08:59:47,654 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b390c4a-5a09-4495-a1ef-49f6d506dcf4/bin/uautomizer/data/042189ccc/5fa60c20933840b6ad0d882159452a33/FLAG2ea28d240 [2019-10-22 08:59:48,007 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1b390c4a-5a09-4495-a1ef-49f6d506dcf4/bin/uautomizer/data/042189ccc/5fa60c20933840b6ad0d882159452a33 [2019-10-22 08:59:48,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:59:48,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:59:48,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:48,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:59:48,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:59:48,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ed11a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48, skipping insertion in model container [2019-10-22 08:59:48,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,026 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:59:48,070 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:59:48,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:48,511 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:59:48,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:59:48,627 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:59:48,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48 WrapperNode [2019-10-22 08:59:48,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:59:48,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:48,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:59:48,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:59:48,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:59:48,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:59:48,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:59:48,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:59:48,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (1/1) ... [2019-10-22 08:59:48,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:59:48,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:59:48,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:59:48,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:59:48,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b390c4a-5a09-4495-a1ef-49f6d506dcf4/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 [2019-10-22 08:59:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:59:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-10-22 08:59:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:59:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:59:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-10-22 08:59:48,760 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-10-22 08:59:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-10-22 08:59:48,760 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-10-22 08:59:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-10-22 08:59:48,760 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-10-22 08:59:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-10-22 08:59:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:59:48,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:59:48,763 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 08:59:49,002 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:59:49,002 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-22 08:59:49,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:49 BoogieIcfgContainer [2019-10-22 08:59:49,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:59:49,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:59:49,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:59:49,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:59:49,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:59:48" (1/3) ... [2019-10-22 08:59:49,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b568e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:49, skipping insertion in model container [2019-10-22 08:59:49,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:59:48" (2/3) ... [2019-10-22 08:59:49,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b568e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:59:49, skipping insertion in model container [2019-10-22 08:59:49,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:49" (3/3) ... [2019-10-22 08:59:49,011 INFO L109 eAbstractionObserver]: Analyzing ICFG thin001_pso.oepc.i [2019-10-22 08:59:49,098 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,098 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,099 WARN L315 ript$VariableManager]: TermVariabe Thread2_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,099 WARN L315 ript$VariableManager]: TermVariabe Thread2_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,099 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,099 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,100 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,100 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,100 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,100 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,100 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,101 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,101 WARN L315 ript$VariableManager]: TermVariabe Thread0_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,101 WARN L315 ript$VariableManager]: TermVariabe Thread0_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,101 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,101 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,101 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,102 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,102 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,102 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,102 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,102 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,103 WARN L315 ript$VariableManager]: TermVariabe Thread1_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,103 WARN L315 ript$VariableManager]: TermVariabe Thread1_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,103 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,103 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,103 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,103 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,104 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,104 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:59:49,113 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 08:59:49,114 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:59:49,121 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:59:49,130 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:59:49,147 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:59:49,147 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:59:49,147 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:59:49,147 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:59:49,147 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:59:49,148 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:59:49,148 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:59:49,148 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:59:49,156 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57 places, 54 transitions [2019-10-22 08:59:49,308 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2386 states. [2019-10-22 08:59:49,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states. [2019-10-22 08:59:49,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 08:59:49,324 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:49,325 INFO L380 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] [2019-10-22 08:59:49,327 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:49,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:49,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1011209124, now seen corresponding path program 1 times [2019-10-22 08:59:49,343 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:49,344 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541272431] [2019-10-22 08:59:49,344 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:49,344 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:49,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:49,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:49,638 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541272431] [2019-10-22 08:59:49,639 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:49,640 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:59:49,640 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709363390] [2019-10-22 08:59:49,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:59:49,644 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:49,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:59:49,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:59:49,658 INFO L87 Difference]: Start difference. First operand 2386 states. Second operand 4 states. [2019-10-22 08:59:49,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:49,769 INFO L93 Difference]: Finished difference Result 2494 states and 8070 transitions. [2019-10-22 08:59:49,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:59:49,771 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-10-22 08:59:49,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:49,794 INFO L225 Difference]: With dead ends: 2494 [2019-10-22 08:59:49,794 INFO L226 Difference]: Without dead ends: 1129 [2019-10-22 08:59:49,796 INFO L600 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 [2019-10-22 08:59:49,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2019-10-22 08:59:49,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 1129. [2019-10-22 08:59:49,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1129 states. [2019-10-22 08:59:49,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 3559 transitions. [2019-10-22 08:59:49,921 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 3559 transitions. Word has length 31 [2019-10-22 08:59:49,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:49,921 INFO L462 AbstractCegarLoop]: Abstraction has 1129 states and 3559 transitions. [2019-10-22 08:59:49,921 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:59:49,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 3559 transitions. [2019-10-22 08:59:49,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 08:59:49,927 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:49,927 INFO L380 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] [2019-10-22 08:59:49,928 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:49,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:49,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1253730034, now seen corresponding path program 1 times [2019-10-22 08:59:49,928 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:49,929 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096125606] [2019-10-22 08:59:49,929 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:49,929 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:49,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:50,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:50,093 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096125606] [2019-10-22 08:59:50,093 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:50,093 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:59:50,093 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452980726] [2019-10-22 08:59:50,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:59:50,095 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:50,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:59:50,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:59:50,099 INFO L87 Difference]: Start difference. First operand 1129 states and 3559 transitions. Second operand 5 states. [2019-10-22 08:59:50,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:50,181 INFO L93 Difference]: Finished difference Result 1169 states and 3553 transitions. [2019-10-22 08:59:50,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:59:50,182 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 08:59:50,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:50,189 INFO L225 Difference]: With dead ends: 1169 [2019-10-22 08:59:50,190 INFO L226 Difference]: Without dead ends: 1045 [2019-10-22 08:59:50,190 INFO L600 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 [2019-10-22 08:59:50,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2019-10-22 08:59:50,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1045. [2019-10-22 08:59:50,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2019-10-22 08:59:50,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 3244 transitions. [2019-10-22 08:59:50,221 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 3244 transitions. Word has length 32 [2019-10-22 08:59:50,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:50,222 INFO L462 AbstractCegarLoop]: Abstraction has 1045 states and 3244 transitions. [2019-10-22 08:59:50,222 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:59:50,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 3244 transitions. [2019-10-22 08:59:50,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 08:59:50,224 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:50,225 INFO L380 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] [2019-10-22 08:59:50,225 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:50,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:50,225 INFO L82 PathProgramCache]: Analyzing trace with hash -2002113598, now seen corresponding path program 1 times [2019-10-22 08:59:50,225 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:50,226 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679591843] [2019-10-22 08:59:50,226 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:50,226 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:50,226 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:50,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:50,355 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679591843] [2019-10-22 08:59:50,355 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:50,356 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:59:50,356 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477462361] [2019-10-22 08:59:50,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:59:50,356 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:50,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:59:50,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:59:50,357 INFO L87 Difference]: Start difference. First operand 1045 states and 3244 transitions. Second operand 6 states. [2019-10-22 08:59:50,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:50,450 INFO L93 Difference]: Finished difference Result 821 states and 2380 transitions. [2019-10-22 08:59:50,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:59:50,451 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-10-22 08:59:50,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:50,455 INFO L225 Difference]: With dead ends: 821 [2019-10-22 08:59:50,455 INFO L226 Difference]: Without dead ends: 709 [2019-10-22 08:59:50,456 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:59:50,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2019-10-22 08:59:50,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 709. [2019-10-22 08:59:50,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2019-10-22 08:59:50,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 2068 transitions. [2019-10-22 08:59:50,478 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 2068 transitions. Word has length 33 [2019-10-22 08:59:50,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:50,478 INFO L462 AbstractCegarLoop]: Abstraction has 709 states and 2068 transitions. [2019-10-22 08:59:50,478 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:59:50,478 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 2068 transitions. [2019-10-22 08:59:50,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:59:50,480 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:50,480 INFO L380 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] [2019-10-22 08:59:50,481 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:50,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:50,481 INFO L82 PathProgramCache]: Analyzing trace with hash 125829688, now seen corresponding path program 1 times [2019-10-22 08:59:50,481 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:50,481 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142497012] [2019-10-22 08:59:50,482 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:50,482 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:50,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:50,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:50,620 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142497012] [2019-10-22 08:59:50,621 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:50,621 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:59:50,621 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82337939] [2019-10-22 08:59:50,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:59:50,621 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:50,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:59:50,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:59:50,622 INFO L87 Difference]: Start difference. First operand 709 states and 2068 transitions. Second operand 7 states. [2019-10-22 08:59:50,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:50,736 INFO L93 Difference]: Finished difference Result 1109 states and 3292 transitions. [2019-10-22 08:59:50,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:59:50,737 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-10-22 08:59:50,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:50,741 INFO L225 Difference]: With dead ends: 1109 [2019-10-22 08:59:50,741 INFO L226 Difference]: Without dead ends: 593 [2019-10-22 08:59:50,742 INFO L600 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 [2019-10-22 08:59:50,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2019-10-22 08:59:50,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2019-10-22 08:59:50,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2019-10-22 08:59:50,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 1756 transitions. [2019-10-22 08:59:50,767 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 1756 transitions. Word has length 34 [2019-10-22 08:59:50,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:50,768 INFO L462 AbstractCegarLoop]: Abstraction has 593 states and 1756 transitions. [2019-10-22 08:59:50,768 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:59:50,768 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1756 transitions. [2019-10-22 08:59:50,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:59:50,771 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:50,771 INFO L380 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] [2019-10-22 08:59:50,772 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:50,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:50,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1476217140, now seen corresponding path program 2 times [2019-10-22 08:59:50,773 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:50,773 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510533897] [2019-10-22 08:59:50,773 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:50,773 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:50,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:50,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:50,939 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510533897] [2019-10-22 08:59:50,939 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:50,939 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 08:59:50,939 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748392864] [2019-10-22 08:59:50,940 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:59:50,940 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:50,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:59:50,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:59:50,940 INFO L87 Difference]: Start difference. First operand 593 states and 1756 transitions. Second operand 8 states. [2019-10-22 08:59:51,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:51,054 INFO L93 Difference]: Finished difference Result 977 states and 2940 transitions. [2019-10-22 08:59:51,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:59:51,056 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-10-22 08:59:51,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:51,059 INFO L225 Difference]: With dead ends: 977 [2019-10-22 08:59:51,059 INFO L226 Difference]: Without dead ends: 557 [2019-10-22 08:59:51,060 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-22 08:59:51,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2019-10-22 08:59:51,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2019-10-22 08:59:51,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2019-10-22 08:59:51,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 1672 transitions. [2019-10-22 08:59:51,075 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 1672 transitions. Word has length 34 [2019-10-22 08:59:51,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:51,077 INFO L462 AbstractCegarLoop]: Abstraction has 557 states and 1672 transitions. [2019-10-22 08:59:51,077 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:59:51,077 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 1672 transitions. [2019-10-22 08:59:51,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:59:51,078 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:51,078 INFO L380 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] [2019-10-22 08:59:51,079 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:51,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:51,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1900844242, now seen corresponding path program 3 times [2019-10-22 08:59:51,079 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:51,079 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009146628] [2019-10-22 08:59:51,079 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:51,080 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:51,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:51,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:59:51,199 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009146628] [2019-10-22 08:59:51,199 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:51,199 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 08:59:51,199 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144096093] [2019-10-22 08:59:51,200 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:59:51,200 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:51,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:59:51,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:59:51,200 INFO L87 Difference]: Start difference. First operand 557 states and 1672 transitions. Second operand 8 states. [2019-10-22 08:59:51,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:51,278 INFO L93 Difference]: Finished difference Result 429 states and 1256 transitions. [2019-10-22 08:59:51,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:59:51,278 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-10-22 08:59:51,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:51,279 INFO L225 Difference]: With dead ends: 429 [2019-10-22 08:59:51,281 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:59:51,281 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-22 08:59:51,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:59:51,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:59:51,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:59:51,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:59:51,282 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-10-22 08:59:51,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:51,282 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:51,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:59:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:59:51,282 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:59:51,285 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-10-22 08:59:51,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:59:51 BasicIcfg [2019-10-22 08:59:51,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:59:51,288 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:59:51,288 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:59:51,288 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:59:51,289 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:59:49" (3/4) ... [2019-10-22 08:59:51,292 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:59:51,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-10-22 08:59:51,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-10-22 08:59:51,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-10-22 08:59:51,303 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-10-22 08:59:51,303 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 08:59:51,349 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1b390c4a-5a09-4495-a1ef-49f6d506dcf4/bin/uautomizer/witness.graphml [2019-10-22 08:59:51,351 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:59:51,353 INFO L168 Benchmark]: Toolchain (without parser) took 3342.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -123.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:51,354 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:51,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:51,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:51,362 INFO L168 Benchmark]: Boogie Preprocessor took 24.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:51,363 INFO L168 Benchmark]: RCFGBuilder took 309.22 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. [2019-10-22 08:59:51,363 INFO L168 Benchmark]: TraceAbstraction took 2282.77 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: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:51,363 INFO L168 Benchmark]: Witness Printer took 63.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:51,365 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 617.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.49 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 24.79 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 309.22 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 2282.77 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: 16.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * Witness Printer took 63.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 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 7 procedures, 72 locations, 1 error locations. Result: SAFE, OverallTime: 2.1s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 323 SDtfs, 459 SDslu, 848 SDs, 0 SdLazy, 110 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2386occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 19614 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...