./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe009_pso.opt.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/run_dir_bb3c4f4c-bf0b-4864-8202-559cfbdbfb9b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bb3c4f4c-bf0b-4864-8202-559cfbdbfb9b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bb3c4f4c-bf0b-4864-8202-559cfbdbfb9b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bb3c4f4c-bf0b-4864-8202-559cfbdbfb9b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe009_pso.opt.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bb3c4f4c-bf0b-4864-8202-559cfbdbfb9b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bb3c4f4c-bf0b-4864-8202-559cfbdbfb9b/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 bbafd997b60dc8d7d343eddeac88d3f72e0226cc .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 21:48:18,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:48:18,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:48:18,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:48:18,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:48:18,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:48:18,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:48:18,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:48:18,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:48:18,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:48:18,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:48:18,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:48:18,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:48:18,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:48:18,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:48:18,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:48:18,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:48:18,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:48:18,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:48:18,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:48:18,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:48:18,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:48:18,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:48:18,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:48:18,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:48:18,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:48:18,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:48:18,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:48:18,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:48:18,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:48:18,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:48:18,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:48:18,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:48:18,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:48:18,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:48:18,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:48:18,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:48:18,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:48:18,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:48:18,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:48:18,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:48:18,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bb3c4f4c-bf0b-4864-8202-559cfbdbfb9b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 21:48:18,704 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:48:18,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:48:18,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:48:18,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:48:18,718 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:48:18,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:48:18,718 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:48:18,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:48:18,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:48:18,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:48:18,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 21:48:18,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:48:18,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 21:48:18,720 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:48:18,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:48:18,721 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:48:18,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 21:48:18,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:48:18,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:48:18,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:48:18,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:48:18,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:48:18,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:48:18,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:48:18,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 21:48:18,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:48:18,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 21:48:18,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 21:48:18,727 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bb3c4f4c-bf0b-4864-8202-559cfbdbfb9b/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 -> bbafd997b60dc8d7d343eddeac88d3f72e0226cc [2019-11-15 21:48:18,768 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:48:18,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:48:18,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:48:18,788 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:48:18,788 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:48:18,789 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bb3c4f4c-bf0b-4864-8202-559cfbdbfb9b/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe009_pso.opt.i [2019-11-15 21:48:18,845 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bb3c4f4c-bf0b-4864-8202-559cfbdbfb9b/bin/uautomizer/data/7f3545740/3757037ab66f49b0be1ba798aae7077f/FLAG60e188a1f [2019-11-15 21:48:19,327 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:48:19,328 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bb3c4f4c-bf0b-4864-8202-559cfbdbfb9b/sv-benchmarks/c/pthread-wmm/safe009_pso.opt.i [2019-11-15 21:48:19,349 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bb3c4f4c-bf0b-4864-8202-559cfbdbfb9b/bin/uautomizer/data/7f3545740/3757037ab66f49b0be1ba798aae7077f/FLAG60e188a1f [2019-11-15 21:48:19,591 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bb3c4f4c-bf0b-4864-8202-559cfbdbfb9b/bin/uautomizer/data/7f3545740/3757037ab66f49b0be1ba798aae7077f [2019-11-15 21:48:19,594 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:48:19,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:48:19,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:48:19,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:48:19,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:48:19,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:48:19" (1/1) ... [2019-11-15 21:48:19,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc41725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:48:19, skipping insertion in model container [2019-11-15 21:48:19,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:48:19" (1/1) ... [2019-11-15 21:48:19,612 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:48:19,665 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:48:20,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:48:20,138 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:48:20,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:48:20,254 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:48:20,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:48:20 WrapperNode [2019-11-15 21:48:20,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:48:20,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:48:20,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:48:20,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:48:20,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:48:20" (1/1) ... [2019-11-15 21:48:20,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:48:20" (1/1) ... [2019-11-15 21:48:20,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:48:20,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:48:20,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:48:20,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:48:20,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:48:20" (1/1) ... [2019-11-15 21:48:20,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:48:20" (1/1) ... [2019-11-15 21:48:20,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:48:20" (1/1) ... [2019-11-15 21:48:20,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:48:20" (1/1) ... [2019-11-15 21:48:20,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:48:20" (1/1) ... [2019-11-15 21:48:20,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:48:20" (1/1) ... [2019-11-15 21:48:20,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:48:20" (1/1) ... [2019-11-15 21:48:20,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:48:20,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:48:20,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:48:20,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:48:20,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:48:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bb3c4f4c-bf0b-4864-8202-559cfbdbfb9b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:48:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 21:48:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-15 21:48:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:48:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 21:48:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-15 21:48:20,394 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-15 21:48:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-15 21:48:20,395 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-15 21:48:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-15 21:48:20,395 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-15 21:48:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-15 21:48:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:48:20,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:48:20,398 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 21:48:20,759 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:48:20,759 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 21:48:20,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:48:20 BoogieIcfgContainer [2019-11-15 21:48:20,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:48:20,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:48:20,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:48:20,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:48:20,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:48:19" (1/3) ... [2019-11-15 21:48:20,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe61f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:48:20, skipping insertion in model container [2019-11-15 21:48:20,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:48:20" (2/3) ... [2019-11-15 21:48:20,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe61f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:48:20, skipping insertion in model container [2019-11-15 21:48:20,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:48:20" (3/3) ... [2019-11-15 21:48:20,768 INFO L109 eAbstractionObserver]: Analyzing ICFG safe009_pso.opt.i [2019-11-15 21:48:20,809 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:48:20,810 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:48:20,810 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:48:20,810 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:48:20,810 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:48:20,810 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:48:20,811 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:48:20,811 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:48:20,811 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:48:20,811 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:48:20,812 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:48:20,812 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:48:20,812 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:48:20,813 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:48:20,813 WARN L315 ript$VariableManager]: TermVariabe Thread2_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:48:20,813 WARN L315 ript$VariableManager]: TermVariabe Thread2_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:48:20,813 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:48:20,813 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 21:48:20,824 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 21:48:20,824 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:48:20,832 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 21:48:20,843 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 21:48:20,862 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:48:20,862 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 21:48:20,862 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:48:20,863 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:48:20,863 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:48:20,863 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:48:20,863 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:48:20,863 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:48:20,873 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 49 transitions [2019-11-15 21:48:20,988 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1246 states. [2019-11-15 21:48:20,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states. [2019-11-15 21:48:21,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-15 21:48:21,007 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:48:21,007 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] [2019-11-15 21:48:21,009 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:48:21,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:48:21,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1706607507, now seen corresponding path program 1 times [2019-11-15 21:48:21,022 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:48:21,022 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381570954] [2019-11-15 21:48:21,022 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:48:21,023 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:48:21,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:48:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:48:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:48:21,376 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381570954] [2019-11-15 21:48:21,377 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:48:21,377 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 21:48:21,377 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345466945] [2019-11-15 21:48:21,382 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 21:48:21,382 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:48:21,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 21:48:21,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:48:21,399 INFO L87 Difference]: Start difference. First operand 1246 states. Second operand 4 states. [2019-11-15 21:48:21,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:48:21,530 INFO L93 Difference]: Finished difference Result 1293 states and 3959 transitions. [2019-11-15 21:48:21,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 21:48:21,532 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-11-15 21:48:21,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:48:21,566 INFO L225 Difference]: With dead ends: 1293 [2019-11-15 21:48:21,566 INFO L226 Difference]: Without dead ends: 599 [2019-11-15 21:48:21,568 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 [2019-11-15 21:48:21,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2019-11-15 21:48:21,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2019-11-15 21:48:21,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2019-11-15 21:48:21,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 1774 transitions. [2019-11-15 21:48:21,676 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 1774 transitions. Word has length 29 [2019-11-15 21:48:21,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:48:21,678 INFO L462 AbstractCegarLoop]: Abstraction has 599 states and 1774 transitions. [2019-11-15 21:48:21,678 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 21:48:21,679 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1774 transitions. [2019-11-15 21:48:21,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-15 21:48:21,690 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:48:21,690 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] [2019-11-15 21:48:21,690 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:48:21,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:48:21,691 INFO L82 PathProgramCache]: Analyzing trace with hash -220814039, now seen corresponding path program 1 times [2019-11-15 21:48:21,691 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:48:21,692 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516192480] [2019-11-15 21:48:21,692 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:48:21,692 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:48:21,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:48:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:48:21,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:48:21,853 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516192480] [2019-11-15 21:48:21,853 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:48:21,853 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 21:48:21,854 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118805229] [2019-11-15 21:48:21,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 21:48:21,855 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:48:21,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 21:48:21,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-15 21:48:21,855 INFO L87 Difference]: Start difference. First operand 599 states and 1774 transitions. Second operand 5 states. [2019-11-15 21:48:21,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:48:21,939 INFO L93 Difference]: Finished difference Result 599 states and 1693 transitions. [2019-11-15 21:48:21,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 21:48:21,939 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-15 21:48:21,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:48:21,945 INFO L225 Difference]: With dead ends: 599 [2019-11-15 21:48:21,946 INFO L226 Difference]: Without dead ends: 536 [2019-11-15 21:48:21,947 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 [2019-11-15 21:48:21,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2019-11-15 21:48:21,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2019-11-15 21:48:21,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2019-11-15 21:48:21,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1543 transitions. [2019-11-15 21:48:21,997 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1543 transitions. Word has length 30 [2019-11-15 21:48:21,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:48:21,997 INFO L462 AbstractCegarLoop]: Abstraction has 536 states and 1543 transitions. [2019-11-15 21:48:21,997 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 21:48:21,997 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1543 transitions. [2019-11-15 21:48:21,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 21:48:21,999 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:48:21,999 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] [2019-11-15 21:48:22,000 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:48:22,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:48:22,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1708267239, now seen corresponding path program 1 times [2019-11-15 21:48:22,000 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:48:22,000 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898847861] [2019-11-15 21:48:22,001 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:48:22,001 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:48:22,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:48:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:48:22,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:48:22,108 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898847861] [2019-11-15 21:48:22,109 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:48:22,109 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 21:48:22,109 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143046554] [2019-11-15 21:48:22,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 21:48:22,110 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:48:22,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 21:48:22,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-15 21:48:22,110 INFO L87 Difference]: Start difference. First operand 536 states and 1543 transitions. Second operand 6 states. [2019-11-15 21:48:22,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:48:22,216 INFO L93 Difference]: Finished difference Result 401 states and 1057 transitions. [2019-11-15 21:48:22,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:48:22,217 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-15 21:48:22,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:48:22,220 INFO L225 Difference]: With dead ends: 401 [2019-11-15 21:48:22,220 INFO L226 Difference]: Without dead ends: 347 [2019-11-15 21:48:22,221 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 [2019-11-15 21:48:22,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2019-11-15 21:48:22,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2019-11-15 21:48:22,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2019-11-15 21:48:22,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 913 transitions. [2019-11-15 21:48:22,235 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 913 transitions. Word has length 31 [2019-11-15 21:48:22,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:48:22,236 INFO L462 AbstractCegarLoop]: Abstraction has 347 states and 913 transitions. [2019-11-15 21:48:22,236 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 21:48:22,236 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 913 transitions. [2019-11-15 21:48:22,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 21:48:22,238 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:48:22,238 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] [2019-11-15 21:48:22,238 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:48:22,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:48:22,239 INFO L82 PathProgramCache]: Analyzing trace with hash 358787526, now seen corresponding path program 1 times [2019-11-15 21:48:22,239 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:48:22,239 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001690998] [2019-11-15 21:48:22,239 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:48:22,240 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:48:22,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:48:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:48:22,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:48:22,389 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001690998] [2019-11-15 21:48:22,389 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:48:22,390 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 21:48:22,390 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387518308] [2019-11-15 21:48:22,392 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 21:48:22,392 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:48:22,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 21:48:22,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 21:48:22,393 INFO L87 Difference]: Start difference. First operand 347 states and 913 transitions. Second operand 6 states. [2019-11-15 21:48:22,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:48:22,546 INFO L93 Difference]: Finished difference Result 563 states and 1498 transitions. [2019-11-15 21:48:22,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 21:48:22,547 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-15 21:48:22,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:48:22,552 INFO L225 Difference]: With dead ends: 563 [2019-11-15 21:48:22,552 INFO L226 Difference]: Without dead ends: 392 [2019-11-15 21:48:22,554 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-15 21:48:22,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2019-11-15 21:48:22,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 338. [2019-11-15 21:48:22,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2019-11-15 21:48:22,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 886 transitions. [2019-11-15 21:48:22,569 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 886 transitions. Word has length 32 [2019-11-15 21:48:22,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:48:22,569 INFO L462 AbstractCegarLoop]: Abstraction has 338 states and 886 transitions. [2019-11-15 21:48:22,569 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 21:48:22,570 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 886 transitions. [2019-11-15 21:48:22,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 21:48:22,574 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:48:22,574 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] [2019-11-15 21:48:22,574 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:48:22,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:48:22,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1702072276, now seen corresponding path program 2 times [2019-11-15 21:48:22,575 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:48:22,575 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547064649] [2019-11-15 21:48:22,576 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:48:22,576 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:48:22,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:48:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:48:22,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:48:22,785 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547064649] [2019-11-15 21:48:22,785 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:48:22,785 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 21:48:22,785 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327415212] [2019-11-15 21:48:22,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 21:48:22,786 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:48:22,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 21:48:22,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:48:22,787 INFO L87 Difference]: Start difference. First operand 338 states and 886 transitions. Second operand 7 states. [2019-11-15 21:48:22,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:48:22,935 INFO L93 Difference]: Finished difference Result 509 states and 1366 transitions. [2019-11-15 21:48:22,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:48:22,938 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-15 21:48:22,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:48:22,942 INFO L225 Difference]: With dead ends: 509 [2019-11-15 21:48:22,942 INFO L226 Difference]: Without dead ends: 335 [2019-11-15 21:48:22,944 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-15 21:48:22,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2019-11-15 21:48:22,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2019-11-15 21:48:22,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2019-11-15 21:48:22,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 880 transitions. [2019-11-15 21:48:22,958 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 880 transitions. Word has length 32 [2019-11-15 21:48:22,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:48:22,960 INFO L462 AbstractCegarLoop]: Abstraction has 335 states and 880 transitions. [2019-11-15 21:48:22,961 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 21:48:22,964 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 880 transitions. [2019-11-15 21:48:22,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 21:48:22,966 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:48:22,966 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] [2019-11-15 21:48:22,967 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:48:22,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:48:22,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1343936172, now seen corresponding path program 3 times [2019-11-15 21:48:22,968 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:48:22,968 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176069362] [2019-11-15 21:48:22,968 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:48:22,969 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:48:22,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:48:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:48:23,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:48:23,133 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176069362] [2019-11-15 21:48:23,133 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:48:23,133 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 21:48:23,133 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711929841] [2019-11-15 21:48:23,134 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 21:48:23,134 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:48:23,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 21:48:23,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:48:23,135 INFO L87 Difference]: Start difference. First operand 335 states and 880 transitions. Second operand 7 states. [2019-11-15 21:48:23,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:48:23,254 INFO L93 Difference]: Finished difference Result 542 states and 1444 transitions. [2019-11-15 21:48:23,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:48:23,271 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-15 21:48:23,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:48:23,274 INFO L225 Difference]: With dead ends: 542 [2019-11-15 21:48:23,274 INFO L226 Difference]: Without dead ends: 308 [2019-11-15 21:48:23,274 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 [2019-11-15 21:48:23,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2019-11-15 21:48:23,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2019-11-15 21:48:23,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-11-15 21:48:23,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 814 transitions. [2019-11-15 21:48:23,288 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 814 transitions. Word has length 32 [2019-11-15 21:48:23,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:48:23,289 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 814 transitions. [2019-11-15 21:48:23,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 21:48:23,289 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 814 transitions. [2019-11-15 21:48:23,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 21:48:23,290 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:48:23,290 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] [2019-11-15 21:48:23,291 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:48:23,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:48:23,291 INFO L82 PathProgramCache]: Analyzing trace with hash 2055039442, now seen corresponding path program 4 times [2019-11-15 21:48:23,292 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:48:23,292 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472539071] [2019-11-15 21:48:23,292 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:48:23,292 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:48:23,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:48:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:48:23,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:48:23,411 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472539071] [2019-11-15 21:48:23,411 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:48:23,411 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 21:48:23,411 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612916043] [2019-11-15 21:48:23,412 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 21:48:23,412 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:48:23,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 21:48:23,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:48:23,412 INFO L87 Difference]: Start difference. First operand 308 states and 814 transitions. Second operand 7 states. [2019-11-15 21:48:23,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:48:23,509 INFO L93 Difference]: Finished difference Result 254 states and 652 transitions. [2019-11-15 21:48:23,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 21:48:23,509 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-15 21:48:23,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:48:23,509 INFO L225 Difference]: With dead ends: 254 [2019-11-15 21:48:23,509 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 21:48:23,510 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 [2019-11-15 21:48:23,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 21:48:23,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 21:48:23,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 21:48:23,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 21:48:23,511 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-11-15 21:48:23,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:48:23,511 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 21:48:23,511 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 21:48:23,511 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 21:48:23,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 21:48:23,514 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 21:48:23,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 09:48:23 BasicIcfg [2019-11-15 21:48:23,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 21:48:23,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:48:23,516 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:48:23,517 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:48:23,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:48:20" (3/4) ... [2019-11-15 21:48:23,520 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 21:48:23,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-15 21:48:23,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-15 21:48:23,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-15 21:48:23,532 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-15 21:48:23,532 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 21:48:23,578 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bb3c4f4c-bf0b-4864-8202-559cfbdbfb9b/bin/uautomizer/witness.graphml [2019-11-15 21:48:23,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:48:23,581 INFO L168 Benchmark]: Toolchain (without parser) took 3984.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:48:23,581 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:48:23,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:48:23,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:48:23,582 INFO L168 Benchmark]: Boogie Preprocessor took 26.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:48:23,583 INFO L168 Benchmark]: RCFGBuilder took 432.14 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:48:23,583 INFO L168 Benchmark]: TraceAbstraction took 2754.34 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: -9.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:48:23,584 INFO L168 Benchmark]: Witness Printer took 62.39 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:48:23,586 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 657.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.19 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 26.75 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 432.14 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2754.34 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: -9.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 62.39 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: 1.7 MB). Peak memory consumption was 1.7 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, 64 locations, 1 error locations. Result: SAFE, OverallTime: 2.6s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 331 SDtfs, 420 SDslu, 874 SDs, 0 SdLazy, 136 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1246occurred 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, 7 MinimizatonAttempts, 54 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 211 ConstructedInterpolants, 0 QuantifiedInterpolants, 18709 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...