./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c 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/product-lines/minepump_spec2_product50.cil.c -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 80abb928521d4c2048eaebb41a9ea5bc19908ad5 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:25:15,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:25:15,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:25:15,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:25:15,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:25:15,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:25:15,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:25:15,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:25:15,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:25:15,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:25:15,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:25:15,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:25:15,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:25:15,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:25:15,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:25:15,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:25:15,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:25:15,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:25:15,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:25:15,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:25:15,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:25:15,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:25:15,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:25:15,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:25:15,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:25:15,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:25:15,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:25:15,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:25:15,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:25:15,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:25:15,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:25:15,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:25:15,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:25:15,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:25:15,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:25:15,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:25:15,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:25:15,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:25:15,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:25:15,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:25:15,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:25:15,488 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:25:15,509 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:25:15,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:25:15,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:25:15,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:25:15,511 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:25:15,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:25:15,512 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:25:15,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:25:15,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:25:15,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:25:15,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:25:15,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:25:15,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:25:15,514 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:25:15,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:25:15,514 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:25:15,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:25:15,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:25:15,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:25:15,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:25:15,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:25:15,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:25:15,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:25:15,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:25:15,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:25:15,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:25:15,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:25:15,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:25:15,518 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:25:15,519 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 -> 80abb928521d4c2048eaebb41a9ea5bc19908ad5 [2019-11-28 17:25:15,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:25:15,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:25:15,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:25:15,872 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:25:15,872 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:25:15,873 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2019-11-28 17:25:15,948 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/946caea89/897c4d271e374aa798a0e7c542d0937c/FLAG9240f3fc0 [2019-11-28 17:25:16,539 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:25:16,540 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2019-11-28 17:25:16,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/946caea89/897c4d271e374aa798a0e7c542d0937c/FLAG9240f3fc0 [2019-11-28 17:25:16,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/946caea89/897c4d271e374aa798a0e7c542d0937c [2019-11-28 17:25:16,823 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:25:16,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:25:16,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:16,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:25:16,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:25:16,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:16" (1/1) ... [2019-11-28 17:25:16,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8af952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:16, skipping insertion in model container [2019-11-28 17:25:16,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:16" (1/1) ... [2019-11-28 17:25:16,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:25:16,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:25:17,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:17,389 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:25:17,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:17,522 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:25:17,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17 WrapperNode [2019-11-28 17:25:17,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:17,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:17,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:25:17,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:25:17,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (1/1) ... [2019-11-28 17:25:17,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (1/1) ... [2019-11-28 17:25:17,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:17,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:25:17,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:25:17,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:25:17,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (1/1) ... [2019-11-28 17:25:17,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (1/1) ... [2019-11-28 17:25:17,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (1/1) ... [2019-11-28 17:25:17,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (1/1) ... [2019-11-28 17:25:17,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (1/1) ... [2019-11-28 17:25:17,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (1/1) ... [2019-11-28 17:25:17,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (1/1) ... [2019-11-28 17:25:17,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:25:17,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:25:17,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:25:17,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:25:17,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (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 [2019-11-28 17:25:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:25:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:25:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:25:17,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:25:18,670 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:25:18,671 INFO L287 CfgBuilder]: Removed 160 assume(true) statements. [2019-11-28 17:25:18,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:18 BoogieIcfgContainer [2019-11-28 17:25:18,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:25:18,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:25:18,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:25:18,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:25:18,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:25:16" (1/3) ... [2019-11-28 17:25:18,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15dccd8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:18, skipping insertion in model container [2019-11-28 17:25:18,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:17" (2/3) ... [2019-11-28 17:25:18,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15dccd8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:18, skipping insertion in model container [2019-11-28 17:25:18,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:18" (3/3) ... [2019-11-28 17:25:18,687 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2019-11-28 17:25:18,698 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:25:18,706 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:25:18,719 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:25:18,757 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:25:18,758 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:25:18,758 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:25:18,759 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:25:18,759 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:25:18,759 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:25:18,760 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:25:18,760 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:25:18,788 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2019-11-28 17:25:18,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 17:25:18,798 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:18,800 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:18,800 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:18,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:18,807 INFO L82 PathProgramCache]: Analyzing trace with hash -458581887, now seen corresponding path program 1 times [2019-11-28 17:25:18,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:18,818 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445070287] [2019-11-28 17:25:18,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:19,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:19,110 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445070287] [2019-11-28 17:25:19,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:19,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:19,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999916156] [2019-11-28 17:25:19,117 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:25:19,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:19,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:25:19,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:25:19,130 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2019-11-28 17:25:19,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:19,166 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2019-11-28 17:25:19,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:25:19,168 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 17:25:19,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:19,182 INFO L225 Difference]: With dead ends: 235 [2019-11-28 17:25:19,183 INFO L226 Difference]: Without dead ends: 117 [2019-11-28 17:25:19,186 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:25:19,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-11-28 17:25:19,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-11-28 17:25:19,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-28 17:25:19,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2019-11-28 17:25:19,240 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2019-11-28 17:25:19,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:19,240 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2019-11-28 17:25:19,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:25:19,241 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2019-11-28 17:25:19,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:25:19,242 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:19,243 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:19,243 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:19,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:19,243 INFO L82 PathProgramCache]: Analyzing trace with hash -356027389, now seen corresponding path program 1 times [2019-11-28 17:25:19,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:19,244 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401530099] [2019-11-28 17:25:19,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:19,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:19,357 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401530099] [2019-11-28 17:25:19,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:19,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:19,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700972070] [2019-11-28 17:25:19,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:19,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:19,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:19,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:19,361 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2019-11-28 17:25:19,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:19,388 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2019-11-28 17:25:19,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:19,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 17:25:19,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:19,392 INFO L225 Difference]: With dead ends: 117 [2019-11-28 17:25:19,392 INFO L226 Difference]: Without dead ends: 49 [2019-11-28 17:25:19,393 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:19,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-28 17:25:19,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-28 17:25:19,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-28 17:25:19,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-11-28 17:25:19,412 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2019-11-28 17:25:19,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:19,413 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-11-28 17:25:19,413 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:19,413 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-11-28 17:25:19,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:25:19,417 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:19,418 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] [2019-11-28 17:25:19,418 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:19,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:19,419 INFO L82 PathProgramCache]: Analyzing trace with hash 988842679, now seen corresponding path program 1 times [2019-11-28 17:25:19,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:19,420 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225080493] [2019-11-28 17:25:19,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:19,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:19,561 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225080493] [2019-11-28 17:25:19,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:19,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:19,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953331064] [2019-11-28 17:25:19,563 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:19,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:19,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:19,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:19,564 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2019-11-28 17:25:19,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:19,603 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2019-11-28 17:25:19,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:19,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 17:25:19,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:19,605 INFO L225 Difference]: With dead ends: 91 [2019-11-28 17:25:19,605 INFO L226 Difference]: Without dead ends: 49 [2019-11-28 17:25:19,606 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:19,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-28 17:25:19,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-28 17:25:19,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-28 17:25:19,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2019-11-28 17:25:19,613 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2019-11-28 17:25:19,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:19,614 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2019-11-28 17:25:19,614 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:19,614 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2019-11-28 17:25:19,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:25:19,615 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:19,615 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] [2019-11-28 17:25:19,616 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:19,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:19,616 INFO L82 PathProgramCache]: Analyzing trace with hash -524841611, now seen corresponding path program 1 times [2019-11-28 17:25:19,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:19,617 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511680623] [2019-11-28 17:25:19,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:19,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:19,711 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511680623] [2019-11-28 17:25:19,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:19,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:19,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821676678] [2019-11-28 17:25:19,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:19,712 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:19,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:19,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:19,713 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2019-11-28 17:25:19,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:19,753 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-11-28 17:25:19,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:19,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 17:25:19,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:19,755 INFO L225 Difference]: With dead ends: 113 [2019-11-28 17:25:19,755 INFO L226 Difference]: Without dead ends: 71 [2019-11-28 17:25:19,756 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:19,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-28 17:25:19,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2019-11-28 17:25:19,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-11-28 17:25:19,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2019-11-28 17:25:19,765 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2019-11-28 17:25:19,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:19,766 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2019-11-28 17:25:19,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:19,766 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2019-11-28 17:25:19,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 17:25:19,767 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:19,768 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] [2019-11-28 17:25:19,768 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:19,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:19,768 INFO L82 PathProgramCache]: Analyzing trace with hash -65166556, now seen corresponding path program 1 times [2019-11-28 17:25:19,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:19,769 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401309432] [2019-11-28 17:25:19,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:19,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:19,853 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401309432] [2019-11-28 17:25:19,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:19,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:19,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225390023] [2019-11-28 17:25:19,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:19,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:19,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:19,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:19,855 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2019-11-28 17:25:19,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:19,961 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2019-11-28 17:25:19,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:25:19,962 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 17:25:19,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:19,963 INFO L225 Difference]: With dead ends: 182 [2019-11-28 17:25:19,963 INFO L226 Difference]: Without dead ends: 120 [2019-11-28 17:25:19,964 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:25:19,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-11-28 17:25:19,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2019-11-28 17:25:19,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-28 17:25:19,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2019-11-28 17:25:19,975 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2019-11-28 17:25:19,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:19,975 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2019-11-28 17:25:19,975 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:19,975 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2019-11-28 17:25:19,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 17:25:19,976 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:19,977 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] [2019-11-28 17:25:19,977 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:19,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:19,977 INFO L82 PathProgramCache]: Analyzing trace with hash 868297153, now seen corresponding path program 1 times [2019-11-28 17:25:19,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:19,978 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089295436] [2019-11-28 17:25:19,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:20,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:20,044 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089295436] [2019-11-28 17:25:20,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:20,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:20,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112724768] [2019-11-28 17:25:20,045 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:20,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:20,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:20,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:20,046 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2019-11-28 17:25:20,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:20,160 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2019-11-28 17:25:20,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:25:20,161 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 17:25:20,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:20,163 INFO L225 Difference]: With dead ends: 387 [2019-11-28 17:25:20,164 INFO L226 Difference]: Without dead ends: 319 [2019-11-28 17:25:20,165 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:25:20,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2019-11-28 17:25:20,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2019-11-28 17:25:20,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-28 17:25:20,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2019-11-28 17:25:20,185 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2019-11-28 17:25:20,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:20,186 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2019-11-28 17:25:20,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:20,186 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2019-11-28 17:25:20,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:25:20,187 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:20,188 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:20,188 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:20,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:20,188 INFO L82 PathProgramCache]: Analyzing trace with hash 868140617, now seen corresponding path program 1 times [2019-11-28 17:25:20,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:20,189 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775839058] [2019-11-28 17:25:20,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:20,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:20,255 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775839058] [2019-11-28 17:25:20,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:20,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:20,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540530123] [2019-11-28 17:25:20,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:20,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:20,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:20,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:20,257 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2019-11-28 17:25:20,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:20,413 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2019-11-28 17:25:20,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:25:20,414 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 17:25:20,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:20,416 INFO L225 Difference]: With dead ends: 506 [2019-11-28 17:25:20,416 INFO L226 Difference]: Without dead ends: 378 [2019-11-28 17:25:20,417 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:25:20,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2019-11-28 17:25:20,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2019-11-28 17:25:20,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-28 17:25:20,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2019-11-28 17:25:20,437 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2019-11-28 17:25:20,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:20,437 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2019-11-28 17:25:20,438 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:20,438 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2019-11-28 17:25:20,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:25:20,441 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:20,441 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:20,443 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:20,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:20,443 INFO L82 PathProgramCache]: Analyzing trace with hash 635741486, now seen corresponding path program 1 times [2019-11-28 17:25:20,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:20,444 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722848212] [2019-11-28 17:25:20,444 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:20,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:20,510 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722848212] [2019-11-28 17:25:20,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:20,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:25:20,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423546893] [2019-11-28 17:25:20,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:20,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:20,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:20,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:20,512 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 5 states. [2019-11-28 17:25:20,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:20,625 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2019-11-28 17:25:20,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:25:20,625 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 17:25:20,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:20,627 INFO L225 Difference]: With dead ends: 357 [2019-11-28 17:25:20,627 INFO L226 Difference]: Without dead ends: 230 [2019-11-28 17:25:20,628 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:25:20,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-11-28 17:25:20,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2019-11-28 17:25:20,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-28 17:25:20,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2019-11-28 17:25:20,642 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2019-11-28 17:25:20,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:20,642 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2019-11-28 17:25:20,642 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:20,642 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2019-11-28 17:25:20,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 17:25:20,643 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:20,643 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:20,644 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:20,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:20,644 INFO L82 PathProgramCache]: Analyzing trace with hash 48935472, now seen corresponding path program 1 times [2019-11-28 17:25:20,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:20,645 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233671498] [2019-11-28 17:25:20,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:20,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:20,685 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233671498] [2019-11-28 17:25:20,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:20,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:20,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165789212] [2019-11-28 17:25:20,686 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:20,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:20,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:20,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:20,687 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2019-11-28 17:25:20,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:20,722 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2019-11-28 17:25:20,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:20,722 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-28 17:25:20,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:20,724 INFO L225 Difference]: With dead ends: 327 [2019-11-28 17:25:20,724 INFO L226 Difference]: Without dead ends: 192 [2019-11-28 17:25:20,725 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:20,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-11-28 17:25:20,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2019-11-28 17:25:20,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-11-28 17:25:20,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2019-11-28 17:25:20,745 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2019-11-28 17:25:20,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:20,745 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2019-11-28 17:25:20,745 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:20,745 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2019-11-28 17:25:20,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:25:20,746 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:20,747 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:20,747 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:20,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:20,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1943567600, now seen corresponding path program 1 times [2019-11-28 17:25:20,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:20,748 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175241831] [2019-11-28 17:25:20,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:20,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:20,796 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175241831] [2019-11-28 17:25:20,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:20,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:20,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562975018] [2019-11-28 17:25:20,797 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:20,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:20,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:20,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:20,798 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2019-11-28 17:25:20,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:20,852 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2019-11-28 17:25:20,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:20,853 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-28 17:25:20,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:20,855 INFO L225 Difference]: With dead ends: 295 [2019-11-28 17:25:20,855 INFO L226 Difference]: Without dead ends: 293 [2019-11-28 17:25:20,856 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:20,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2019-11-28 17:25:20,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2019-11-28 17:25:20,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-11-28 17:25:20,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2019-11-28 17:25:20,908 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2019-11-28 17:25:20,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:20,909 INFO L462 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2019-11-28 17:25:20,909 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:20,909 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2019-11-28 17:25:20,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 17:25:20,910 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:20,910 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:20,910 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:20,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:20,911 INFO L82 PathProgramCache]: Analyzing trace with hash 496339190, now seen corresponding path program 1 times [2019-11-28 17:25:20,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:20,911 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380504848] [2019-11-28 17:25:20,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:20,969 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:20,970 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380504848] [2019-11-28 17:25:20,970 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677062857] [2019-11-28 17:25:20,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:21,133 INFO L264 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 17:25:21,142 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:25:21,187 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:21,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 17:25:21,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-11-28 17:25:21,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511664138] [2019-11-28 17:25:21,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:21,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:21,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:21,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:21,190 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 3 states. [2019-11-28 17:25:21,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:21,272 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2019-11-28 17:25:21,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:21,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-28 17:25:21,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:21,277 INFO L225 Difference]: With dead ends: 374 [2019-11-28 17:25:21,278 INFO L226 Difference]: Without dead ends: 197 [2019-11-28 17:25:21,278 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:21,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-11-28 17:25:21,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2019-11-28 17:25:21,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-11-28 17:25:21,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2019-11-28 17:25:21,299 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2019-11-28 17:25:21,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:21,299 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2019-11-28 17:25:21,299 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:21,299 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2019-11-28 17:25:21,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 17:25:21,300 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:21,300 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:21,504 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:21,505 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:21,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:21,506 INFO L82 PathProgramCache]: Analyzing trace with hash 985757466, now seen corresponding path program 1 times [2019-11-28 17:25:21,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:21,507 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042746115] [2019-11-28 17:25:21,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:21,577 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-28 17:25:21,578 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042746115] [2019-11-28 17:25:21,578 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816279146] [2019-11-28 17:25:21,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:21,713 INFO L264 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 17:25:21,716 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:25:21,751 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 17:25:21,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 17:25:21,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-11-28 17:25:21,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120392739] [2019-11-28 17:25:21,753 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:21,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:21,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:21,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:25:21,753 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 5 states. [2019-11-28 17:25:21,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:21,825 INFO L93 Difference]: Finished difference Result 494 states and 655 transitions. [2019-11-28 17:25:21,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:25:21,826 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-28 17:25:21,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:21,828 INFO L225 Difference]: With dead ends: 494 [2019-11-28 17:25:21,828 INFO L226 Difference]: Without dead ends: 354 [2019-11-28 17:25:21,829 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-28 17:25:21,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2019-11-28 17:25:21,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 203. [2019-11-28 17:25:21,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-11-28 17:25:21,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2019-11-28 17:25:21,850 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2019-11-28 17:25:21,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:21,851 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2019-11-28 17:25:21,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:21,851 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2019-11-28 17:25:21,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 17:25:21,852 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:21,852 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:22,061 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:25:22,061 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:22,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:22,062 INFO L82 PathProgramCache]: Analyzing trace with hash 727592028, now seen corresponding path program 1 times [2019-11-28 17:25:22,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:22,062 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589685275] [2019-11-28 17:25:22,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:22,184 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:25:22,184 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589685275] [2019-11-28 17:25:22,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:22,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:25:22,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315455896] [2019-11-28 17:25:22,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:25:22,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:22,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:25:22,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:25:22,186 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2019-11-28 17:25:22,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:22,389 INFO L93 Difference]: Finished difference Result 585 states and 768 transitions. [2019-11-28 17:25:22,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:25:22,389 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-28 17:25:22,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:22,390 INFO L225 Difference]: With dead ends: 585 [2019-11-28 17:25:22,390 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:25:22,391 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-28 17:25:22,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:25:22,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:25:22,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:25:22,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:25:22,392 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-28 17:25:22,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:22,392 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:25:22,392 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:25:22,392 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:25:22,392 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:25:22,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:25:22,573 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 70 [2019-11-28 17:25:22,838 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2019-11-28 17:25:22,969 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 79 [2019-11-28 17:25:23,215 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2019-11-28 17:25:23,445 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 79 [2019-11-28 17:25:23,657 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2019-11-28 17:25:23,987 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 18 [2019-11-28 17:25:24,274 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 18 [2019-11-28 17:25:24,546 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 22 [2019-11-28 17:25:24,817 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 19 [2019-11-28 17:25:25,019 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 24 [2019-11-28 17:25:25,287 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 22 [2019-11-28 17:25:25,405 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 19 [2019-11-28 17:25:25,612 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 19 [2019-11-28 17:25:25,850 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 22 [2019-11-28 17:25:26,149 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 28 [2019-11-28 17:25:26,153 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-11-28 17:25:26,153 INFO L242 CegarLoopResult]: At program point L597(lines 548 598) the Hoare annotation is: false [2019-11-28 17:25:26,153 INFO L246 CegarLoopResult]: For program point L399(lines 399 416) no Hoare annotation was computed. [2019-11-28 17:25:26,153 INFO L246 CegarLoopResult]: For program point L399-1(lines 399 416) no Hoare annotation was computed. [2019-11-28 17:25:26,154 INFO L246 CegarLoopResult]: For program point L399-2(lines 399 416) no Hoare annotation was computed. [2019-11-28 17:25:26,154 INFO L246 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-11-28 17:25:26,154 INFO L246 CegarLoopResult]: For program point L201(lines 201 218) no Hoare annotation was computed. [2019-11-28 17:25:26,155 INFO L242 CegarLoopResult]: At program point L201-1(lines 1 979) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-11-28 17:25:26,155 INFO L246 CegarLoopResult]: For program point L234-3(lines 234 238) no Hoare annotation was computed. [2019-11-28 17:25:26,155 INFO L246 CegarLoopResult]: For program point L201-2(lines 201 218) no Hoare annotation was computed. [2019-11-28 17:25:26,156 INFO L242 CegarLoopResult]: At program point L201-3(lines 1 979) the Hoare annotation is: false [2019-11-28 17:25:26,156 INFO L246 CegarLoopResult]: For program point L201-4(lines 201 218) no Hoare annotation was computed. [2019-11-28 17:25:26,156 INFO L246 CegarLoopResult]: For program point L234-6(lines 234 238) no Hoare annotation was computed. [2019-11-28 17:25:26,156 INFO L242 CegarLoopResult]: At program point L201-5(lines 1 979) the Hoare annotation is: false [2019-11-28 17:25:26,157 INFO L246 CegarLoopResult]: For program point L501(lines 501 505) no Hoare annotation was computed. [2019-11-28 17:25:26,157 INFO L246 CegarLoopResult]: For program point L501-2(lines 501 505) no Hoare annotation was computed. [2019-11-28 17:25:26,157 INFO L246 CegarLoopResult]: For program point L501-3(lines 501 505) no Hoare annotation was computed. [2019-11-28 17:25:26,157 INFO L246 CegarLoopResult]: For program point L501-5(lines 501 505) no Hoare annotation was computed. [2019-11-28 17:25:26,157 INFO L246 CegarLoopResult]: For program point L501-6(lines 501 505) no Hoare annotation was computed. [2019-11-28 17:25:26,158 INFO L246 CegarLoopResult]: For program point L501-8(lines 501 505) no Hoare annotation was computed. [2019-11-28 17:25:26,158 INFO L246 CegarLoopResult]: For program point L501-9(lines 501 505) no Hoare annotation was computed. [2019-11-28 17:25:26,158 INFO L246 CegarLoopResult]: For program point L501-11(lines 501 505) no Hoare annotation was computed. [2019-11-28 17:25:26,158 INFO L246 CegarLoopResult]: For program point L501-12(lines 501 505) no Hoare annotation was computed. [2019-11-28 17:25:26,159 INFO L246 CegarLoopResult]: For program point L501-14(lines 501 505) no Hoare annotation was computed. [2019-11-28 17:25:26,159 INFO L246 CegarLoopResult]: For program point L501-15(lines 501 505) no Hoare annotation was computed. [2019-11-28 17:25:26,159 INFO L246 CegarLoopResult]: For program point L501-17(lines 501 505) no Hoare annotation was computed. [2019-11-28 17:25:26,159 INFO L246 CegarLoopResult]: For program point L403(lines 403 411) no Hoare annotation was computed. [2019-11-28 17:25:26,159 INFO L246 CegarLoopResult]: For program point L403-1(lines 403 411) no Hoare annotation was computed. [2019-11-28 17:25:26,160 INFO L246 CegarLoopResult]: For program point L403-2(lines 403 411) no Hoare annotation was computed. [2019-11-28 17:25:26,160 INFO L242 CegarLoopResult]: At program point L271(lines 266 274) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= ~pumpRunning~0 0) .cse3) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3))) [2019-11-28 17:25:26,160 INFO L242 CegarLoopResult]: At program point L271-1(lines 266 274) the Hoare annotation is: false [2019-11-28 17:25:26,160 INFO L246 CegarLoopResult]: For program point L205(lines 205 215) no Hoare annotation was computed. [2019-11-28 17:25:26,161 INFO L242 CegarLoopResult]: At program point L271-2(lines 266 274) the Hoare annotation is: false [2019-11-28 17:25:26,161 INFO L246 CegarLoopResult]: For program point L205-2(lines 205 215) no Hoare annotation was computed. [2019-11-28 17:25:26,161 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:26,161 INFO L246 CegarLoopResult]: For program point L205-4(lines 205 215) no Hoare annotation was computed. [2019-11-28 17:25:26,162 INFO L246 CegarLoopResult]: For program point L569(lines 569 575) no Hoare annotation was computed. [2019-11-28 17:25:26,162 INFO L242 CegarLoopResult]: At program point L569-1(lines 569 575) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-11-28 17:25:26,162 INFO L246 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2019-11-28 17:25:26,162 INFO L246 CegarLoopResult]: For program point L206-2(lines 206 212) no Hoare annotation was computed. [2019-11-28 17:25:26,162 INFO L246 CegarLoopResult]: For program point L206-4(lines 206 212) no Hoare annotation was computed. [2019-11-28 17:25:26,163 INFO L242 CegarLoopResult]: At program point L141(lines 137 143) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:26,163 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-11-28 17:25:26,163 INFO L246 CegarLoopResult]: For program point L373(lines 373 390) no Hoare annotation was computed. [2019-11-28 17:25:26,163 INFO L246 CegarLoopResult]: For program point L373-1(lines 373 390) no Hoare annotation was computed. [2019-11-28 17:25:26,164 INFO L246 CegarLoopResult]: For program point L373-2(lines 373 390) no Hoare annotation was computed. [2019-11-28 17:25:26,164 INFO L246 CegarLoopResult]: For program point L373-3(lines 373 390) no Hoare annotation was computed. [2019-11-28 17:25:26,164 INFO L246 CegarLoopResult]: For program point L373-4(lines 373 390) no Hoare annotation was computed. [2019-11-28 17:25:26,164 INFO L246 CegarLoopResult]: For program point L373-5(lines 373 390) no Hoare annotation was computed. [2019-11-28 17:25:26,165 INFO L242 CegarLoopResult]: At program point L341(lines 340 359) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (not (= 0 ~waterLevel~0)) .cse2))) [2019-11-28 17:25:26,165 INFO L246 CegarLoopResult]: For program point L341-1(lines 341 347) no Hoare annotation was computed. [2019-11-28 17:25:26,165 INFO L242 CegarLoopResult]: At program point L341-2(lines 340 359) the Hoare annotation is: false [2019-11-28 17:25:26,165 INFO L242 CegarLoopResult]: At program point L341-3(lines 340 359) the Hoare annotation is: false [2019-11-28 17:25:26,166 INFO L249 CegarLoopResult]: At program point L176(lines 157 179) the Hoare annotation is: true [2019-11-28 17:25:26,166 INFO L242 CegarLoopResult]: At program point L507(lines 492 510) the Hoare annotation is: false [2019-11-28 17:25:26,166 INFO L242 CegarLoopResult]: At program point L507-1(lines 492 510) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0) .cse3))) [2019-11-28 17:25:26,166 INFO L242 CegarLoopResult]: At program point L507-2(lines 492 510) the Hoare annotation is: false [2019-11-28 17:25:26,167 INFO L242 CegarLoopResult]: At program point L507-3(lines 492 510) the Hoare annotation is: false [2019-11-28 17:25:26,167 INFO L242 CegarLoopResult]: At program point L507-4(lines 492 510) the Hoare annotation is: false [2019-11-28 17:25:26,167 INFO L242 CegarLoopResult]: At program point L507-5(lines 492 510) the Hoare annotation is: false [2019-11-28 17:25:26,167 INFO L246 CegarLoopResult]: For program point L377(lines 377 385) no Hoare annotation was computed. [2019-11-28 17:25:26,167 INFO L246 CegarLoopResult]: For program point L377-1(lines 377 385) no Hoare annotation was computed. [2019-11-28 17:25:26,168 INFO L246 CegarLoopResult]: For program point L311(lines 311 317) no Hoare annotation was computed. [2019-11-28 17:25:26,168 INFO L246 CegarLoopResult]: For program point L377-2(lines 377 385) no Hoare annotation was computed. [2019-11-28 17:25:26,168 INFO L246 CegarLoopResult]: For program point L311-1(lines 311 317) no Hoare annotation was computed. [2019-11-28 17:25:26,168 INFO L246 CegarLoopResult]: For program point L377-3(lines 377 385) no Hoare annotation was computed. [2019-11-28 17:25:26,168 INFO L246 CegarLoopResult]: For program point L311-2(lines 311 317) no Hoare annotation was computed. [2019-11-28 17:25:26,169 INFO L246 CegarLoopResult]: For program point L377-4(lines 377 385) no Hoare annotation was computed. [2019-11-28 17:25:26,169 INFO L246 CegarLoopResult]: For program point L311-3(lines 311 317) no Hoare annotation was computed. [2019-11-28 17:25:26,169 INFO L246 CegarLoopResult]: For program point L377-5(lines 377 385) no Hoare annotation was computed. [2019-11-28 17:25:26,169 INFO L246 CegarLoopResult]: For program point L311-4(lines 311 317) no Hoare annotation was computed. [2019-11-28 17:25:26,170 INFO L246 CegarLoopResult]: For program point L311-5(lines 311 317) no Hoare annotation was computed. [2019-11-28 17:25:26,170 INFO L246 CegarLoopResult]: For program point L246(lines 246 250) no Hoare annotation was computed. [2019-11-28 17:25:26,170 INFO L246 CegarLoopResult]: For program point L579(lines 579 592) no Hoare annotation was computed. [2019-11-28 17:25:26,170 INFO L242 CegarLoopResult]: At program point L348(lines 348 354) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= ~pumpRunning~0 0) .cse3))) [2019-11-28 17:25:26,171 INFO L242 CegarLoopResult]: At program point L348-1(lines 348 354) the Hoare annotation is: false [2019-11-28 17:25:26,171 INFO L242 CegarLoopResult]: At program point L348-2(lines 348 354) the Hoare annotation is: false [2019-11-28 17:25:26,171 INFO L246 CegarLoopResult]: For program point L976(line 976) no Hoare annotation was computed. [2019-11-28 17:25:26,171 INFO L246 CegarLoopResult]: For program point L976-1(line 976) no Hoare annotation was computed. [2019-11-28 17:25:26,171 INFO L246 CegarLoopResult]: For program point L976-2(line 976) no Hoare annotation was computed. [2019-11-28 17:25:26,172 INFO L242 CegarLoopResult]: At program point L316(lines 307 320) the Hoare annotation is: false [2019-11-28 17:25:26,172 INFO L242 CegarLoopResult]: At program point L316-1(lines 307 320) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0) .cse3))) [2019-11-28 17:25:26,172 INFO L242 CegarLoopResult]: At program point L316-2(lines 307 320) the Hoare annotation is: false [2019-11-28 17:25:26,173 INFO L242 CegarLoopResult]: At program point L316-3(lines 307 320) the Hoare annotation is: false [2019-11-28 17:25:26,173 INFO L242 CegarLoopResult]: At program point L316-4(lines 307 320) the Hoare annotation is: false [2019-11-28 17:25:26,173 INFO L242 CegarLoopResult]: At program point L316-5(lines 307 320) the Hoare annotation is: false [2019-11-28 17:25:26,173 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:25:26,173 INFO L246 CegarLoopResult]: For program point L550(lines 549 596) no Hoare annotation was computed. [2019-11-28 17:25:26,174 INFO L246 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2019-11-28 17:25:26,174 INFO L242 CegarLoopResult]: At program point L452(lines 447 455) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 17:25:26,174 INFO L242 CegarLoopResult]: At program point L452-1(lines 447 455) the Hoare annotation is: false [2019-11-28 17:25:26,175 INFO L242 CegarLoopResult]: At program point L452-2(lines 447 455) the Hoare annotation is: false [2019-11-28 17:25:26,175 INFO L242 CegarLoopResult]: At program point L90-2(lines 90 104) the Hoare annotation is: false [2019-11-28 17:25:26,175 INFO L246 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2019-11-28 17:25:26,175 INFO L246 CegarLoopResult]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2019-11-28 17:25:26,175 INFO L246 CegarLoopResult]: For program point L520-3(lines 520 524) no Hoare annotation was computed. [2019-11-28 17:25:26,176 INFO L246 CegarLoopResult]: For program point L520-5(lines 520 524) no Hoare annotation was computed. [2019-11-28 17:25:26,176 INFO L246 CegarLoopResult]: For program point L520-6(lines 520 524) no Hoare annotation was computed. [2019-11-28 17:25:26,176 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:25:26,176 INFO L246 CegarLoopResult]: For program point L520-8(lines 520 524) no Hoare annotation was computed. [2019-11-28 17:25:26,177 INFO L242 CegarLoopResult]: At program point L190(lines 185 192) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:26,177 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-28 17:25:26,177 INFO L246 CegarLoopResult]: For program point L587(lines 587 591) no Hoare annotation was computed. [2019-11-28 17:25:26,177 INFO L242 CegarLoopResult]: At program point L587-2(lines 341 347) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-11-28 17:25:26,178 INFO L246 CegarLoopResult]: For program point L258(lines 258 262) no Hoare annotation was computed. [2019-11-28 17:25:26,178 INFO L246 CegarLoopResult]: For program point L94(lines 94 98) no Hoare annotation was computed. [2019-11-28 17:25:26,178 INFO L246 CegarLoopResult]: For program point L94-1(lines 341 347) no Hoare annotation was computed. [2019-11-28 17:25:26,178 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:25:26,178 INFO L242 CegarLoopResult]: At program point L326(lines 321 329) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:25:26,179 INFO L242 CegarLoopResult]: At program point L326-1(lines 321 329) the Hoare annotation is: false [2019-11-28 17:25:26,179 INFO L242 CegarLoopResult]: At program point L326-2(lines 321 329) the Hoare annotation is: false [2019-11-28 17:25:26,179 INFO L246 CegarLoopResult]: For program point L559(lines 559 565) no Hoare annotation was computed. [2019-11-28 17:25:26,179 INFO L242 CegarLoopResult]: At program point L559-1(lines 559 565) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-11-28 17:25:26,180 INFO L242 CegarLoopResult]: At program point L526(lines 511 529) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:25:26,180 INFO L242 CegarLoopResult]: At program point L526-1(lines 511 529) the Hoare annotation is: false [2019-11-28 17:25:26,180 INFO L242 CegarLoopResult]: At program point L526-2(lines 511 529) the Hoare annotation is: false [2019-11-28 17:25:26,180 INFO L242 CegarLoopResult]: At program point L65(lines 1 979) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 17:25:26,181 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:25:26,181 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-11-28 17:25:26,181 INFO L246 CegarLoopResult]: For program point L167(lines 167 174) no Hoare annotation was computed. [2019-11-28 17:25:26,181 INFO L249 CegarLoopResult]: At program point L167-1(lines 167 174) the Hoare annotation is: true [2019-11-28 17:25:26,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:25:26 BoogieIcfgContainer [2019-11-28 17:25:26,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:25:26,211 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:25:26,211 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:25:26,211 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:25:26,212 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:18" (3/4) ... [2019-11-28 17:25:26,216 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:25:26,237 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:25:26,238 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:25:26,239 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:25:26,240 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:25:26,242 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:25:26,243 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:25:26,244 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:25:26,280 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter) [2019-11-28 17:25:26,281 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 0 == splverifierCounter [2019-11-28 17:25:26,282 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) [2019-11-28 17:25:26,283 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 17:25:26,283 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= pumpRunning) && 1 <= tmp___0) && 0 == \result) && !(0 == waterLevel)) && 0 == tmp) && 1 <= \result) && 0 == splverifierCounter [2019-11-28 17:25:26,284 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) [2019-11-28 17:25:26,388 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:25:26,389 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:25:26,390 INFO L168 Benchmark]: Toolchain (without parser) took 9566.02 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 324.0 MB). Free memory was 956.3 MB in the beginning and 878.8 MB in the end (delta: 77.5 MB). Peak memory consumption was 401.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:26,391 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:25:26,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:26,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.96 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. [2019-11-28 17:25:26,392 INFO L168 Benchmark]: Boogie Preprocessor took 44.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:26,393 INFO L168 Benchmark]: RCFGBuilder took 1033.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.6 MB). Peak memory consumption was 63.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:26,394 INFO L168 Benchmark]: TraceAbstraction took 7535.86 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.0 MB). Free memory was 1.0 GB in the beginning and 888.3 MB in the end (delta: 157.9 MB). Peak memory consumption was 348.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:26,394 INFO L168 Benchmark]: Witness Printer took 177.88 ms. Allocated memory is still 1.4 GB. Free memory was 888.3 MB in the beginning and 878.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:26,397 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 697.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -166.7 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.96 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 44.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1033.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.6 MB). Peak memory consumption was 63.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7535.86 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.0 MB). Free memory was 1.0 GB in the beginning and 888.3 MB in the end (delta: 157.9 MB). Peak memory consumption was 348.1 MB. Max. memory is 11.5 GB. * Witness Printer took 177.88 ms. Allocated memory is still 1.4 GB. Free memory was 888.3 MB in the beginning and 878.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= pumpRunning) && 1 <= tmp___0) && 0 == \result) && !(0 == waterLevel)) && 0 == tmp) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == systemActive && 1 <= pumpRunning) && !(0 == waterLevel)) && 0 == splverifierCounter) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 0 == splverifierCounter - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 locations, 3 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, HoareTripleCheckerStatistics: 1243 SDtfs, 1443 SDslu, 1709 SDs, 0 SdLazy, 216 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=10, 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, 13 MinimizatonAttempts, 773 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 209 NumberOfFragments, 503 HoareAnnotationTreeSize, 44 FomulaSimplifications, 404129 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 14981 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 559 ConstructedInterpolants, 0 QuantifiedInterpolants, 40871 SizeOfPredicates, 5 NumberOfNonLiveVariables, 850 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 96/99 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...