./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-wmm/safe015_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f6fb2bb1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe015_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 51d8ca31d415aa9bad047f7335407d8083242ea3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-f6fb2bb [2019-11-19 19:19:19,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 19:19:19,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 19:19:19,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 19:19:19,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 19:19:19,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 19:19:19,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 19:19:19,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 19:19:19,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 19:19:19,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 19:19:19,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 19:19:19,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 19:19:19,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 19:19:19,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 19:19:19,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 19:19:19,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 19:19:19,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 19:19:19,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 19:19:19,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 19:19:19,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 19:19:19,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 19:19:19,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 19:19:19,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 19:19:19,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 19:19:19,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 19:19:19,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 19:19:19,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 19:19:19,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 19:19:19,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 19:19:19,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 19:19:19,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 19:19:19,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 19:19:19,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 19:19:19,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 19:19:19,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 19:19:19,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 19:19:19,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 19:19:19,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 19:19:19,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 19:19:19,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 19:19:19,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 19:19:19,387 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 19:19:19,406 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 19:19:19,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 19:19:19,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 19:19:19,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 19:19:19,410 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 19:19:19,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 19:19:19,410 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 19:19:19,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 19:19:19,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 19:19:19,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 19:19:19,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 19:19:19,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 19:19:19,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 19:19:19,413 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 19:19:19,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 19:19:19,413 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 19:19:19,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 19:19:19,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 19:19:19,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 19:19:19,415 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 19:19:19,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 19:19:19,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 19:19:19,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 19:19:19,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 19:19:19,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 19:19:19,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 19:19:19,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 19:19:19,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 19:19:19,417 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 51d8ca31d415aa9bad047f7335407d8083242ea3 [2019-11-19 19:19:19,766 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 19:19:19,789 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 19:19:19,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 19:19:19,795 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 19:19:19,795 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 19:19:19,796 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe015_tso.opt.i [2019-11-19 19:19:19,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46fab2452/ddafe6f2fee24c3680ce864990c77677/FLAGf0818c7c2 [2019-11-19 19:19:20,428 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 19:19:20,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe015_tso.opt.i [2019-11-19 19:19:20,448 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46fab2452/ddafe6f2fee24c3680ce864990c77677/FLAGf0818c7c2 [2019-11-19 19:19:20,719 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46fab2452/ddafe6f2fee24c3680ce864990c77677 [2019-11-19 19:19:20,724 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 19:19:20,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 19:19:20,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 19:19:20,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 19:19:20,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 19:19:20,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:19:20" (1/1) ... [2019-11-19 19:19:20,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@365acb10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:20, skipping insertion in model container [2019-11-19 19:19:20,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:19:20" (1/1) ... [2019-11-19 19:19:20,747 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 19:19:20,815 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 19:19:21,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:19:21,284 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 19:19:21,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:19:21,457 INFO L192 MainTranslator]: Completed translation [2019-11-19 19:19:21,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:21 WrapperNode [2019-11-19 19:19:21,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 19:19:21,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 19:19:21,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 19:19:21,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 19:19:21,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:21" (1/1) ... [2019-11-19 19:19:21,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:21" (1/1) ... [2019-11-19 19:19:21,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 19:19:21,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 19:19:21,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 19:19:21,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 19:19:21,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:21" (1/1) ... [2019-11-19 19:19:21,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:21" (1/1) ... [2019-11-19 19:19:21,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:21" (1/1) ... [2019-11-19 19:19:21,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:21" (1/1) ... [2019-11-19 19:19:21,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:21" (1/1) ... [2019-11-19 19:19:21,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:21" (1/1) ... [2019-11-19 19:19:21,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:21" (1/1) ... [2019-11-19 19:19:21,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 19:19:21,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 19:19:21,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 19:19:21,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 19:19:21,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-19 19:19:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 19:19:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-19 19:19:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 19:19:21,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 19:19:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-19 19:19:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-19 19:19:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-19 19:19:21,667 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-19 19:19:21,667 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-19 19:19:21,668 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-19 19:19:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-19 19:19:21,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 19:19:21,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 19:19:21,670 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-19 19:19:22,024 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 19:19:22,024 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-19 19:19:22,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:19:22 BoogieIcfgContainer [2019-11-19 19:19:22,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 19:19:22,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 19:19:22,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 19:19:22,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 19:19:22,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:19:20" (1/3) ... [2019-11-19 19:19:22,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7087fbf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:19:22, skipping insertion in model container [2019-11-19 19:19:22,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:19:21" (2/3) ... [2019-11-19 19:19:22,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7087fbf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:19:22, skipping insertion in model container [2019-11-19 19:19:22,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:19:22" (3/3) ... [2019-11-19 19:19:22,036 INFO L109 eAbstractionObserver]: Analyzing ICFG safe015_tso.opt.i [2019-11-19 19:19:22,086 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,087 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,087 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,087 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,088 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,088 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,089 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,089 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,089 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,089 WARN L315 ript$VariableManager]: TermVariabe P0Thread2of3ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,090 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,090 WARN L315 ript$VariableManager]: TermVariabe |P0Thread2of3ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,090 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork6_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,091 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork6_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,091 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork6_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,091 WARN L315 ript$VariableManager]: TermVariabe P0Thread3of3ForFork6_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,092 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork6_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,092 WARN L315 ript$VariableManager]: TermVariabe |P0Thread3of3ForFork6_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,092 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,093 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,093 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,093 WARN L315 ript$VariableManager]: TermVariabe P1Thread2of3ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,093 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,094 WARN L315 ript$VariableManager]: TermVariabe |P1Thread2of3ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,094 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,094 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,094 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,095 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,095 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,095 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,096 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork7_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,096 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork7_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,096 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork7_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,097 WARN L315 ript$VariableManager]: TermVariabe P1Thread3of3ForFork7_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,097 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork7_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,097 WARN L315 ript$VariableManager]: TermVariabe |P1Thread3of3ForFork7_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,098 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork8_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,098 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork8_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,098 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork8_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,098 WARN L315 ript$VariableManager]: TermVariabe P2Thread3of3ForFork8_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,099 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork8_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,099 WARN L315 ript$VariableManager]: TermVariabe |P2Thread3of3ForFork8_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,099 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,100 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,100 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,100 WARN L315 ript$VariableManager]: TermVariabe P2Thread2of3ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,101 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,101 WARN L315 ript$VariableManager]: TermVariabe |P2Thread2of3ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,101 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,101 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,102 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,102 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,102 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,102 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-19 19:19:22,145 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-19 19:19:22,145 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 19:19:22,154 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 19:19:22,163 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 19:19:22,179 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 19:19:22,179 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 19:19:22,179 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 19:19:22,179 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 19:19:22,180 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 19:19:22,180 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 19:19:22,180 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 19:19:22,180 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 19:19:22,192 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 94 places, 73 transitions [2019-11-19 19:19:26,249 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 31742 states. [2019-11-19 19:19:26,251 INFO L276 IsEmpty]: Start isEmpty. Operand 31742 states. [2019-11-19 19:19:26,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-19 19:19:26,323 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:19:26,324 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:19:26,325 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:19:26,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:19:26,333 INFO L82 PathProgramCache]: Analyzing trace with hash -2039789791, now seen corresponding path program 1 times [2019-11-19 19:19:26,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:19:26,344 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936764780] [2019-11-19 19:19:26,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:19:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:19:26,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:19:26,752 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936764780] [2019-11-19 19:19:26,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:19:26,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 19:19:26,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692951182] [2019-11-19 19:19:26,760 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 19:19:26,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:19:26,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 19:19:26,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 19:19:26,780 INFO L87 Difference]: Start difference. First operand 31742 states. Second operand 4 states. [2019-11-19 19:19:27,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:19:27,212 INFO L93 Difference]: Finished difference Result 33011 states and 103291 transitions. [2019-11-19 19:19:27,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 19:19:27,214 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-11-19 19:19:27,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:19:27,356 INFO L225 Difference]: With dead ends: 33011 [2019-11-19 19:19:27,356 INFO L226 Difference]: Without dead ends: 14273 [2019-11-19 19:19:27,358 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-19 19:19:27,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14273 states. [2019-11-19 19:19:28,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14273 to 14273. [2019-11-19 19:19:28,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14273 states. [2019-11-19 19:19:28,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14273 states to 14273 states and 44296 transitions. [2019-11-19 19:19:28,377 INFO L78 Accepts]: Start accepts. Automaton has 14273 states and 44296 transitions. Word has length 29 [2019-11-19 19:19:28,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:19:28,379 INFO L462 AbstractCegarLoop]: Abstraction has 14273 states and 44296 transitions. [2019-11-19 19:19:28,380 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 19:19:28,380 INFO L276 IsEmpty]: Start isEmpty. Operand 14273 states and 44296 transitions. [2019-11-19 19:19:28,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-19 19:19:28,409 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:19:28,409 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:19:28,410 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:19:28,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:19:28,420 INFO L82 PathProgramCache]: Analyzing trace with hash 478855887, now seen corresponding path program 1 times [2019-11-19 19:19:28,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:19:28,423 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461795516] [2019-11-19 19:19:28,423 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:19:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:19:28,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:19:28,622 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461795516] [2019-11-19 19:19:28,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:19:28,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 19:19:28,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262081271] [2019-11-19 19:19:28,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 19:19:28,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:19:28,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 19:19:28,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-19 19:19:28,629 INFO L87 Difference]: Start difference. First operand 14273 states and 44296 transitions. Second operand 5 states. [2019-11-19 19:19:28,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:19:28,928 INFO L93 Difference]: Finished difference Result 14273 states and 42109 transitions. [2019-11-19 19:19:28,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 19:19:28,929 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-19 19:19:28,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:19:28,997 INFO L225 Difference]: With dead ends: 14273 [2019-11-19 19:19:28,997 INFO L226 Difference]: Without dead ends: 12572 [2019-11-19 19:19:28,999 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-19 19:19:29,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12572 states. [2019-11-19 19:19:29,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12572 to 12572. [2019-11-19 19:19:29,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12572 states. [2019-11-19 19:19:29,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12572 states to 12572 states and 38059 transitions. [2019-11-19 19:19:29,432 INFO L78 Accepts]: Start accepts. Automaton has 12572 states and 38059 transitions. Word has length 30 [2019-11-19 19:19:29,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:19:29,433 INFO L462 AbstractCegarLoop]: Abstraction has 12572 states and 38059 transitions. [2019-11-19 19:19:29,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 19:19:29,434 INFO L276 IsEmpty]: Start isEmpty. Operand 12572 states and 38059 transitions. [2019-11-19 19:19:29,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-19 19:19:29,455 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:19:29,455 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:19:29,456 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:19:29,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:19:29,456 INFO L82 PathProgramCache]: Analyzing trace with hash 935424688, now seen corresponding path program 1 times [2019-11-19 19:19:29,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:19:29,457 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816911509] [2019-11-19 19:19:29,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:19:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:19:29,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:19:29,558 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816911509] [2019-11-19 19:19:29,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:19:29,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 19:19:29,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180225393] [2019-11-19 19:19:29,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 19:19:29,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:19:29,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 19:19:29,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-19 19:19:29,560 INFO L87 Difference]: Start difference. First operand 12572 states and 38059 transitions. Second operand 6 states. [2019-11-19 19:19:29,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:19:29,760 INFO L93 Difference]: Finished difference Result 8927 states and 24937 transitions. [2019-11-19 19:19:29,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 19:19:29,761 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-19 19:19:29,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:19:29,784 INFO L225 Difference]: With dead ends: 8927 [2019-11-19 19:19:29,785 INFO L226 Difference]: Without dead ends: 7469 [2019-11-19 19:19:29,785 INFO L630 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 [2019-11-19 19:19:29,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7469 states. [2019-11-19 19:19:30,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7469 to 7469. [2019-11-19 19:19:30,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7469 states. [2019-11-19 19:19:30,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7469 states to 7469 states and 21049 transitions. [2019-11-19 19:19:30,240 INFO L78 Accepts]: Start accepts. Automaton has 7469 states and 21049 transitions. Word has length 31 [2019-11-19 19:19:30,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:19:30,242 INFO L462 AbstractCegarLoop]: Abstraction has 7469 states and 21049 transitions. [2019-11-19 19:19:30,242 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 19:19:30,242 INFO L276 IsEmpty]: Start isEmpty. Operand 7469 states and 21049 transitions. [2019-11-19 19:19:30,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 19:19:30,258 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:19:30,258 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:19:30,258 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:19:30,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:19:30,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1273532228, now seen corresponding path program 1 times [2019-11-19 19:19:30,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:19:30,260 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22846831] [2019-11-19 19:19:30,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:19:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:19:30,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:19:30,450 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22846831] [2019-11-19 19:19:30,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:19:30,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 19:19:30,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999016834] [2019-11-19 19:19:30,451 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 19:19:30,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:19:30,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 19:19:30,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-19 19:19:30,453 INFO L87 Difference]: Start difference. First operand 7469 states and 21049 transitions. Second operand 6 states. [2019-11-19 19:19:30,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:19:30,623 INFO L93 Difference]: Finished difference Result 12086 states and 34009 transitions. [2019-11-19 19:19:30,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 19:19:30,624 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-19 19:19:30,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:19:30,647 INFO L225 Difference]: With dead ends: 12086 [2019-11-19 19:19:30,647 INFO L226 Difference]: Without dead ends: 6677 [2019-11-19 19:19:30,649 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 19:19:30,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6677 states. [2019-11-19 19:19:30,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6677 to 6677. [2019-11-19 19:19:30,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6677 states. [2019-11-19 19:19:30,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6677 states to 6677 states and 18664 transitions. [2019-11-19 19:19:30,852 INFO L78 Accepts]: Start accepts. Automaton has 6677 states and 18664 transitions. Word has length 32 [2019-11-19 19:19:30,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:19:30,854 INFO L462 AbstractCegarLoop]: Abstraction has 6677 states and 18664 transitions. [2019-11-19 19:19:30,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 19:19:30,854 INFO L276 IsEmpty]: Start isEmpty. Operand 6677 states and 18664 transitions. [2019-11-19 19:19:30,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 19:19:30,867 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:19:30,868 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:19:30,868 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:19:30,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:19:30,869 INFO L82 PathProgramCache]: Analyzing trace with hash 97456822, now seen corresponding path program 2 times [2019-11-19 19:19:30,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:19:30,869 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937595382] [2019-11-19 19:19:30,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:19:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:19:31,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:19:31,074 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937595382] [2019-11-19 19:19:31,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:19:31,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 19:19:31,075 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613742548] [2019-11-19 19:19:31,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 19:19:31,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:19:31,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 19:19:31,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-19 19:19:31,076 INFO L87 Difference]: Start difference. First operand 6677 states and 18664 transitions. Second operand 7 states. [2019-11-19 19:19:31,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:19:31,429 INFO L93 Difference]: Finished difference Result 11294 states and 31624 transitions. [2019-11-19 19:19:31,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 19:19:31,431 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-19 19:19:31,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:19:31,453 INFO L225 Difference]: With dead ends: 11294 [2019-11-19 19:19:31,454 INFO L226 Difference]: Without dead ends: 6245 [2019-11-19 19:19:31,454 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-11-19 19:19:31,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6245 states. [2019-11-19 19:19:31,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6245 to 6245. [2019-11-19 19:19:31,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6245 states. [2019-11-19 19:19:31,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6245 states to 6245 states and 17584 transitions. [2019-11-19 19:19:31,622 INFO L78 Accepts]: Start accepts. Automaton has 6245 states and 17584 transitions. Word has length 32 [2019-11-19 19:19:31,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:19:31,623 INFO L462 AbstractCegarLoop]: Abstraction has 6245 states and 17584 transitions. [2019-11-19 19:19:31,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 19:19:31,624 INFO L276 IsEmpty]: Start isEmpty. Operand 6245 states and 17584 transitions. [2019-11-19 19:19:31,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 19:19:31,635 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 19:19:31,635 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:19:31,635 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 19:19:31,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:19:31,636 INFO L82 PathProgramCache]: Analyzing trace with hash -76850492, now seen corresponding path program 3 times [2019-11-19 19:19:31,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:19:31,637 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972036785] [2019-11-19 19:19:31,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:19:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:19:31,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:19:31,804 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972036785] [2019-11-19 19:19:31,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:19:31,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-19 19:19:31,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928117317] [2019-11-19 19:19:31,805 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 19:19:31,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:19:31,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 19:19:31,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-19 19:19:31,806 INFO L87 Difference]: Start difference. First operand 6245 states and 17584 transitions. Second operand 8 states. [2019-11-19 19:19:31,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:19:31,945 INFO L93 Difference]: Finished difference Result 4787 states and 13210 transitions. [2019-11-19 19:19:31,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 19:19:31,945 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 32 [2019-11-19 19:19:31,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 19:19:31,946 INFO L225 Difference]: With dead ends: 4787 [2019-11-19 19:19:31,946 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 19:19:31,947 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2019-11-19 19:19:31,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 19:19:31,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 19:19:31,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 19:19:31,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 19:19:31,948 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-11-19 19:19:31,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 19:19:31,949 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:19:31,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 19:19:31,949 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 19:19:31,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 19:19:31,952 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-19 19:19:31,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:19:31 BasicIcfg [2019-11-19 19:19:31,957 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 19:19:31,957 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 19:19:31,957 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 19:19:31,958 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 19:19:31,958 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:19:22" (3/4) ... [2019-11-19 19:19:31,964 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 19:19:31,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-19 19:19:31,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-19 19:19:31,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-19 19:19:32,000 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-19 19:19:32,001 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-19 19:19:32,047 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 19:19:32,047 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 19:19:32,050 INFO L168 Benchmark]: Toolchain (without parser) took 11323.51 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 675.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). Peak memory consumption was 517.9 MB. Max. memory is 11.5 GB. [2019-11-19 19:19:32,051 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:19:32,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -125.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-19 19:19:32,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.64 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. [2019-11-19 19:19:32,053 INFO L168 Benchmark]: Boogie Preprocessor took 61.40 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. [2019-11-19 19:19:32,054 INFO L168 Benchmark]: RCFGBuilder took 435.76 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2019-11-19 19:19:32,055 INFO L168 Benchmark]: TraceAbstraction took 9929.34 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 549.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -57.7 MB). Peak memory consumption was 491.8 MB. Max. memory is 11.5 GB. [2019-11-19 19:19:32,056 INFO L168 Benchmark]: Witness Printer took 90.24 ms. Allocated memory is still 1.7 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:19:32,061 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 731.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -125.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.64 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 61.40 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 435.76 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9929.34 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 549.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -57.7 MB). Peak memory consumption was 491.8 MB. Max. memory is 11.5 GB. * Witness Printer took 90.24 ms. Allocated memory is still 1.7 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 88 locations, 1 error locations. Result: SAFE, OverallTime: 9.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 533 SDtfs, 857 SDslu, 1277 SDs, 0 SdLazy, 231 SolverSat, 128 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31742occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 180 ConstructedInterpolants, 0 QuantifiedInterpolants, 16384 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...