./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe007_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_adeab4e3-e984-4fb7-9eb2-a8c0b1a06dde/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_adeab4e3-e984-4fb7-9eb2-a8c0b1a06dde/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_adeab4e3-e984-4fb7-9eb2-a8c0b1a06dde/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_adeab4e3-e984-4fb7-9eb2-a8c0b1a06dde/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe007_pso.oepc.i -s /tmp/vcloud-vcloud-master/worker/working_dir_adeab4e3-e984-4fb7-9eb2-a8c0b1a06dde/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_adeab4e3-e984-4fb7-9eb2-a8c0b1a06dde/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 8362d1b88c222a87016882ee967a8e5a3218d95b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:57:03,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:03,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:03,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:03,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:03,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:03,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:03,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:03,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:03,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:03,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:03,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:03,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:03,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:03,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:03,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:03,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:03,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:03,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:03,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:03,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:03,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:03,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:03,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:03,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:03,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:03,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:03,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:03,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:03,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:03,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:03,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:03,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:03,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:03,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:03,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:03,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:03,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:03,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:03,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:03,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:03,335 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_adeab4e3-e984-4fb7-9eb2-a8c0b1a06dde/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:57:03,350 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:03,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:03,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:03,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:03,353 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:03,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:03,353 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:57:03,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:03,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:57:03,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:03,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:57:03,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:57:03,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:57:03,355 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:57:03,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:03,355 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:03,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:57:03,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:03,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:03,355 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:57:03,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:57:03,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:03,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:03,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:57:03,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:57:03,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:57:03,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:57:03,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:57:03,357 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_adeab4e3-e984-4fb7-9eb2-a8c0b1a06dde/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 -> 8362d1b88c222a87016882ee967a8e5a3218d95b [2019-10-22 08:57:03,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:03,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:03,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:03,400 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:03,400 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:03,401 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_adeab4e3-e984-4fb7-9eb2-a8c0b1a06dde/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe007_pso.oepc.i [2019-10-22 08:57:03,442 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_adeab4e3-e984-4fb7-9eb2-a8c0b1a06dde/bin/uautomizer/data/2c58566a2/ae78373dd40f4862bd033f5f1540f940/FLAGd98b4447a [2019-10-22 08:57:03,879 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:03,880 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_adeab4e3-e984-4fb7-9eb2-a8c0b1a06dde/sv-benchmarks/c/pthread-wmm/safe007_pso.oepc.i [2019-10-22 08:57:03,891 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_adeab4e3-e984-4fb7-9eb2-a8c0b1a06dde/bin/uautomizer/data/2c58566a2/ae78373dd40f4862bd033f5f1540f940/FLAGd98b4447a [2019-10-22 08:57:04,232 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_adeab4e3-e984-4fb7-9eb2-a8c0b1a06dde/bin/uautomizer/data/2c58566a2/ae78373dd40f4862bd033f5f1540f940 [2019-10-22 08:57:04,235 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:04,236 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:04,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:04,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:04,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:04,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:04" (1/1) ... [2019-10-22 08:57:04,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa9be13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:04, skipping insertion in model container [2019-10-22 08:57:04,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:04" (1/1) ... [2019-10-22 08:57:04,249 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:04,283 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:04,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:04,604 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:04,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:04,719 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:04,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:04 WrapperNode [2019-10-22 08:57:04,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:04,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:04,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:04,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:04,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:04" (1/1) ... [2019-10-22 08:57:04,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:04" (1/1) ... [2019-10-22 08:57:04,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:04,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:04,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:04,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:04,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:04" (1/1) ... [2019-10-22 08:57:04,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:04" (1/1) ... [2019-10-22 08:57:04,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:04" (1/1) ... [2019-10-22 08:57:04,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:04" (1/1) ... [2019-10-22 08:57:04,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:04" (1/1) ... [2019-10-22 08:57:04,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:04" (1/1) ... [2019-10-22 08:57:04,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:04" (1/1) ... [2019-10-22 08:57:04,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:04,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:04,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:04,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:04,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_adeab4e3-e984-4fb7-9eb2-a8c0b1a06dde/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 08:57:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:57:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-10-22 08:57:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:57:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:57:04,832 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-10-22 08:57:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-10-22 08:57:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-10-22 08:57:04,833 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-10-22 08:57:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-10-22 08:57:04,833 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-10-22 08:57:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-10-22 08:57:04,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:04,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:04,835 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 08:57:05,160 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:05,160 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-22 08:57:05,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:05 BoogieIcfgContainer [2019-10-22 08:57:05,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:05,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:57:05,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:57:05,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:57:05,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:57:04" (1/3) ... [2019-10-22 08:57:05,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a6990e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:05, skipping insertion in model container [2019-10-22 08:57:05,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:04" (2/3) ... [2019-10-22 08:57:05,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a6990e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:05, skipping insertion in model container [2019-10-22 08:57:05,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:05" (3/3) ... [2019-10-22 08:57:05,168 INFO L109 eAbstractionObserver]: Analyzing ICFG safe007_pso.oepc.i [2019-10-22 08:57:05,197 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,197 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,197 WARN L315 ript$VariableManager]: TermVariabe Thread2_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,197 WARN L315 ript$VariableManager]: TermVariabe Thread2_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,198 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,198 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,198 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,198 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,198 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,199 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,199 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,199 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,199 WARN L315 ript$VariableManager]: TermVariabe Thread0_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,199 WARN L315 ript$VariableManager]: TermVariabe Thread0_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,200 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,200 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,200 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,200 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,200 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,200 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,201 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,201 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,201 WARN L315 ript$VariableManager]: TermVariabe Thread1_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,201 WARN L315 ript$VariableManager]: TermVariabe Thread1_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,201 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,202 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,202 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,202 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,202 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,202 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:57:05,211 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 08:57:05,211 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:57:05,219 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:57:05,229 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:57:05,246 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:57:05,246 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:57:05,246 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:57:05,246 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:05,246 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:05,246 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:57:05,246 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:05,246 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:57:05,256 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57 places, 54 transitions [2019-10-22 08:57:05,410 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2386 states. [2019-10-22 08:57:05,413 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states. [2019-10-22 08:57:05,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 08:57:05,428 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:05,428 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 08:57:05,430 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:05,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:05,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1011209124, now seen corresponding path program 1 times [2019-10-22 08:57:05,439 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:05,439 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789936285] [2019-10-22 08:57:05,440 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:05,440 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:05,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:05,692 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 08:57:05,693 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789936285] [2019-10-22 08:57:05,693 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:05,699 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:57:05,699 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741436069] [2019-10-22 08:57:05,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:57:05,703 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:05,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:57:05,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:57:05,718 INFO L87 Difference]: Start difference. First operand 2386 states. Second operand 4 states. [2019-10-22 08:57:05,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:05,846 INFO L93 Difference]: Finished difference Result 2494 states and 8070 transitions. [2019-10-22 08:57:05,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:57:05,849 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-10-22 08:57:05,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:05,879 INFO L225 Difference]: With dead ends: 2494 [2019-10-22 08:57:05,879 INFO L226 Difference]: Without dead ends: 1129 [2019-10-22 08:57:05,881 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 08:57:05,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2019-10-22 08:57:05,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 1129. [2019-10-22 08:57:05,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1129 states. [2019-10-22 08:57:05,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 3559 transitions. [2019-10-22 08:57:05,998 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 3559 transitions. Word has length 31 [2019-10-22 08:57:05,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:05,999 INFO L462 AbstractCegarLoop]: Abstraction has 1129 states and 3559 transitions. [2019-10-22 08:57:05,999 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:57:05,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 3559 transitions. [2019-10-22 08:57:06,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 08:57:06,005 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:06,006 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 08:57:06,006 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:06,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:06,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1253730034, now seen corresponding path program 1 times [2019-10-22 08:57:06,007 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:06,007 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889197860] [2019-10-22 08:57:06,007 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:06,007 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:06,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:06,135 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 08:57:06,135 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889197860] [2019-10-22 08:57:06,135 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:06,135 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:57:06,136 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116800727] [2019-10-22 08:57:06,139 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:57:06,140 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:06,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:57:06,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:57:06,140 INFO L87 Difference]: Start difference. First operand 1129 states and 3559 transitions. Second operand 5 states. [2019-10-22 08:57:06,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:06,200 INFO L93 Difference]: Finished difference Result 1169 states and 3553 transitions. [2019-10-22 08:57:06,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:57:06,201 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 08:57:06,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:06,206 INFO L225 Difference]: With dead ends: 1169 [2019-10-22 08:57:06,206 INFO L226 Difference]: Without dead ends: 1045 [2019-10-22 08:57:06,207 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 08:57:06,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2019-10-22 08:57:06,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1045. [2019-10-22 08:57:06,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2019-10-22 08:57:06,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 3244 transitions. [2019-10-22 08:57:06,238 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 3244 transitions. Word has length 32 [2019-10-22 08:57:06,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:06,238 INFO L462 AbstractCegarLoop]: Abstraction has 1045 states and 3244 transitions. [2019-10-22 08:57:06,238 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:57:06,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 3244 transitions. [2019-10-22 08:57:06,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 08:57:06,241 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:06,241 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 08:57:06,241 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:06,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:06,241 INFO L82 PathProgramCache]: Analyzing trace with hash -2002113598, now seen corresponding path program 1 times [2019-10-22 08:57:06,242 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:06,242 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077463695] [2019-10-22 08:57:06,242 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:06,242 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:06,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:06,377 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 08:57:06,378 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077463695] [2019-10-22 08:57:06,378 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:06,378 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:57:06,378 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095501381] [2019-10-22 08:57:06,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:57:06,380 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:06,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:57:06,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:57:06,380 INFO L87 Difference]: Start difference. First operand 1045 states and 3244 transitions. Second operand 6 states. [2019-10-22 08:57:06,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:06,484 INFO L93 Difference]: Finished difference Result 821 states and 2380 transitions. [2019-10-22 08:57:06,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:57:06,485 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-10-22 08:57:06,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:06,488 INFO L225 Difference]: With dead ends: 821 [2019-10-22 08:57:06,488 INFO L226 Difference]: Without dead ends: 709 [2019-10-22 08:57:06,488 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 08:57:06,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2019-10-22 08:57:06,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 709. [2019-10-22 08:57:06,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2019-10-22 08:57:06,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 2068 transitions. [2019-10-22 08:57:06,512 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 2068 transitions. Word has length 33 [2019-10-22 08:57:06,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:06,513 INFO L462 AbstractCegarLoop]: Abstraction has 709 states and 2068 transitions. [2019-10-22 08:57:06,513 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:57:06,513 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 2068 transitions. [2019-10-22 08:57:06,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:57:06,515 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:06,515 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 08:57:06,516 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:06,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:06,516 INFO L82 PathProgramCache]: Analyzing trace with hash 125829688, now seen corresponding path program 1 times [2019-10-22 08:57:06,516 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:06,516 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254608266] [2019-10-22 08:57:06,516 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:06,517 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:06,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:06,630 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 08:57:06,631 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254608266] [2019-10-22 08:57:06,631 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:06,631 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:57:06,631 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064573013] [2019-10-22 08:57:06,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:57:06,632 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:06,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:57:06,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:57:06,633 INFO L87 Difference]: Start difference. First operand 709 states and 2068 transitions. Second operand 7 states. [2019-10-22 08:57:06,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:06,745 INFO L93 Difference]: Finished difference Result 1109 states and 3292 transitions. [2019-10-22 08:57:06,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:57:06,746 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-10-22 08:57:06,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:06,749 INFO L225 Difference]: With dead ends: 1109 [2019-10-22 08:57:06,749 INFO L226 Difference]: Without dead ends: 593 [2019-10-22 08:57:06,750 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 08:57:06,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2019-10-22 08:57:06,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2019-10-22 08:57:06,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2019-10-22 08:57:06,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 1756 transitions. [2019-10-22 08:57:06,772 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 1756 transitions. Word has length 34 [2019-10-22 08:57:06,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:06,772 INFO L462 AbstractCegarLoop]: Abstraction has 593 states and 1756 transitions. [2019-10-22 08:57:06,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:57:06,772 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1756 transitions. [2019-10-22 08:57:06,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:57:06,774 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:06,774 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 08:57:06,775 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:06,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:06,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1476217140, now seen corresponding path program 2 times [2019-10-22 08:57:06,775 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:06,776 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746713520] [2019-10-22 08:57:06,777 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:06,777 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:06,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:06,938 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 08:57:06,938 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746713520] [2019-10-22 08:57:06,938 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:06,938 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 08:57:06,939 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543694326] [2019-10-22 08:57:06,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:57:06,939 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:06,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:57:06,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:57:06,940 INFO L87 Difference]: Start difference. First operand 593 states and 1756 transitions. Second operand 8 states. [2019-10-22 08:57:07,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:07,048 INFO L93 Difference]: Finished difference Result 977 states and 2940 transitions. [2019-10-22 08:57:07,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:57:07,049 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-10-22 08:57:07,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:07,051 INFO L225 Difference]: With dead ends: 977 [2019-10-22 08:57:07,052 INFO L226 Difference]: Without dead ends: 557 [2019-10-22 08:57:07,052 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 08:57:07,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2019-10-22 08:57:07,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2019-10-22 08:57:07,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2019-10-22 08:57:07,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 1672 transitions. [2019-10-22 08:57:07,067 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 1672 transitions. Word has length 34 [2019-10-22 08:57:07,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:07,069 INFO L462 AbstractCegarLoop]: Abstraction has 557 states and 1672 transitions. [2019-10-22 08:57:07,069 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:57:07,069 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 1672 transitions. [2019-10-22 08:57:07,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:57:07,070 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:07,070 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 08:57:07,070 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:57:07,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:07,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1900844242, now seen corresponding path program 3 times [2019-10-22 08:57:07,071 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:07,071 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172532748] [2019-10-22 08:57:07,071 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:07,071 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:07,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:07,163 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 08:57:07,163 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172532748] [2019-10-22 08:57:07,163 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:07,164 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 08:57:07,164 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570193552] [2019-10-22 08:57:07,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:57:07,164 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:07,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:57:07,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:57:07,165 INFO L87 Difference]: Start difference. First operand 557 states and 1672 transitions. Second operand 8 states. [2019-10-22 08:57:07,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:07,235 INFO L93 Difference]: Finished difference Result 429 states and 1256 transitions. [2019-10-22 08:57:07,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:57:07,235 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-10-22 08:57:07,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:07,236 INFO L225 Difference]: With dead ends: 429 [2019-10-22 08:57:07,236 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:57:07,236 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 08:57:07,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:57:07,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:57:07,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:57:07,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:57:07,237 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-10-22 08:57:07,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:07,237 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:07,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:57:07,237 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:57:07,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:57:07,240 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-10-22 08:57:07,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:57:07 BasicIcfg [2019-10-22 08:57:07,242 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:57:07,242 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:07,243 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:07,243 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:07,243 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:05" (3/4) ... [2019-10-22 08:57:07,246 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:57:07,252 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-10-22 08:57:07,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-10-22 08:57:07,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-10-22 08:57:07,257 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-10-22 08:57:07,259 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 08:57:07,301 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_adeab4e3-e984-4fb7-9eb2-a8c0b1a06dde/bin/uautomizer/witness.graphml [2019-10-22 08:57:07,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:07,307 INFO L168 Benchmark]: Toolchain (without parser) took 3071.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -115.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:07,308 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:07,308 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:07,309 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.46 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:07,309 INFO L168 Benchmark]: Boogie Preprocessor took 20.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:07,309 INFO L168 Benchmark]: RCFGBuilder took 383.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:07,313 INFO L168 Benchmark]: TraceAbstraction took 2080.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:07,314 INFO L168 Benchmark]: Witness Printer took 63.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:07,316 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 484.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.46 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 383.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2080.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Witness Printer took 63.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 72 locations, 1 error locations. Result: SAFE, OverallTime: 1.9s, 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, 0.5s 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s 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...