./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab 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_product49.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 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:21:07,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:21:07,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:21:07,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:21:07,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:21:07,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:21:07,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:21:07,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:21:07,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:21:07,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:21:07,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:21:07,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:21:07,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:21:07,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:21:07,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:21:07,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:21:07,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:21:07,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:21:07,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:21:07,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:21:07,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:21:07,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:21:07,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:21:07,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:21:07,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:21:07,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:21:07,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:21:07,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:21:07,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:21:07,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:21:07,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:21:07,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:21:07,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:21:07,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:21:07,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:21:07,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:21:07,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:21:07,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:21:07,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:21:07,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:21:07,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:21:07,577 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:21:07,591 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:21:07,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:21:07,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:21:07,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:21:07,593 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:21:07,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:21:07,594 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:21:07,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:21:07,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:21:07,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:21:07,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:21:07,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:21:07,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:21:07,596 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:21:07,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:21:07,596 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:21:07,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:21:07,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:21:07,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:21:07,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:21:07,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:21:07,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:21:07,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:21:07,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:21:07,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:21:07,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:21:07,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:21:07,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:21:07,599 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 -> 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 [2019-11-28 00:21:07,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:21:07,953 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:21:07,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:21:07,958 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:21:07,958 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:21:07,959 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2019-11-28 00:21:08,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dccb96c25/8d7aabd9edbd4d8fa54d000c2d78978b/FLAG407dd4942 [2019-11-28 00:21:08,636 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:21:08,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2019-11-28 00:21:08,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dccb96c25/8d7aabd9edbd4d8fa54d000c2d78978b/FLAG407dd4942 [2019-11-28 00:21:08,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dccb96c25/8d7aabd9edbd4d8fa54d000c2d78978b [2019-11-28 00:21:08,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:21:08,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:21:08,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:08,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:21:08,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:21:08,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:08" (1/1) ... [2019-11-28 00:21:08,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67529377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:08, skipping insertion in model container [2019-11-28 00:21:08,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:08" (1/1) ... [2019-11-28 00:21:08,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:21:08,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:21:09,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:09,354 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:21:09,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:09,528 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:21:09,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09 WrapperNode [2019-11-28 00:21:09,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:09,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:09,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:21:09,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:21:09,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:09,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:21:09,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:21:09,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:21:09,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:21:09,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:21:09,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:21:09,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:21:09,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (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 00:21:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:21:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:21:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:21:09,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:21:10,740 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:21:10,741 INFO L297 CfgBuilder]: Removed 158 assume(true) statements. [2019-11-28 00:21:10,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:10 BoogieIcfgContainer [2019-11-28 00:21:10,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:21:10,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:21:10,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:21:10,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:21:10,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:21:08" (1/3) ... [2019-11-28 00:21:10,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@766a8f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:10, skipping insertion in model container [2019-11-28 00:21:10,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (2/3) ... [2019-11-28 00:21:10,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@766a8f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:10, skipping insertion in model container [2019-11-28 00:21:10,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:10" (3/3) ... [2019-11-28 00:21:10,755 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2019-11-28 00:21:10,767 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:21:10,775 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:21:10,790 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:21:10,822 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:21:10,823 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:21:10,823 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:21:10,823 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:21:10,824 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:21:10,824 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:21:10,824 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:21:10,825 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:21:10,856 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2019-11-28 00:21:10,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 00:21:10,868 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:10,869 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 00:21:10,870 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:10,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:10,877 INFO L82 PathProgramCache]: Analyzing trace with hash 682439968, now seen corresponding path program 1 times [2019-11-28 00:21:10,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:10,888 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950920207] [2019-11-28 00:21:10,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:11,173 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 00:21:11,174 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950920207] [2019-11-28 00:21:11,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:11,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:11,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796711848] [2019-11-28 00:21:11,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:21:11,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:11,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:21:11,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:21:11,195 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2019-11-28 00:21:11,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:11,232 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2019-11-28 00:21:11,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:21:11,234 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 00:21:11,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:11,249 INFO L225 Difference]: With dead ends: 235 [2019-11-28 00:21:11,250 INFO L226 Difference]: Without dead ends: 117 [2019-11-28 00:21:11,254 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 00:21:11,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-11-28 00:21:11,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-11-28 00:21:11,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-28 00:21:11,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2019-11-28 00:21:11,311 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2019-11-28 00:21:11,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:11,311 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2019-11-28 00:21:11,311 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:21:11,312 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2019-11-28 00:21:11,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:21:11,313 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:11,313 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 00:21:11,314 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:11,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:11,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1011956893, now seen corresponding path program 1 times [2019-11-28 00:21:11,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:11,315 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430409530] [2019-11-28 00:21:11,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:11,439 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 00:21:11,439 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430409530] [2019-11-28 00:21:11,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:11,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:11,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132884428] [2019-11-28 00:21:11,444 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:11,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:11,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:11,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:11,447 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2019-11-28 00:21:11,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:11,484 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2019-11-28 00:21:11,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:11,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 00:21:11,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:11,486 INFO L225 Difference]: With dead ends: 117 [2019-11-28 00:21:11,487 INFO L226 Difference]: Without dead ends: 49 [2019-11-28 00:21:11,489 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 00:21:11,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-28 00:21:11,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-28 00:21:11,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-28 00:21:11,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-11-28 00:21:11,506 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2019-11-28 00:21:11,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:11,507 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-11-28 00:21:11,507 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-11-28 00:21:11,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:21:11,512 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:11,513 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 00:21:11,513 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:11,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:11,514 INFO L82 PathProgramCache]: Analyzing trace with hash 136399670, now seen corresponding path program 1 times [2019-11-28 00:21:11,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:11,514 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298998558] [2019-11-28 00:21:11,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:11,665 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 00:21:11,666 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298998558] [2019-11-28 00:21:11,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:11,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:11,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322311769] [2019-11-28 00:21:11,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:11,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:11,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:11,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:11,670 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2019-11-28 00:21:11,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:11,688 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2019-11-28 00:21:11,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:11,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 00:21:11,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:11,691 INFO L225 Difference]: With dead ends: 91 [2019-11-28 00:21:11,692 INFO L226 Difference]: Without dead ends: 49 [2019-11-28 00:21:11,692 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 00:21:11,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-28 00:21:11,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-28 00:21:11,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-28 00:21:11,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2019-11-28 00:21:11,703 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2019-11-28 00:21:11,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:11,703 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2019-11-28 00:21:11,704 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:11,704 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2019-11-28 00:21:11,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:21:11,705 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:11,705 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 00:21:11,706 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:11,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:11,706 INFO L82 PathProgramCache]: Analyzing trace with hash 616180244, now seen corresponding path program 1 times [2019-11-28 00:21:11,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:11,707 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684059180] [2019-11-28 00:21:11,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:11,765 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 00:21:11,766 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684059180] [2019-11-28 00:21:11,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:11,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:11,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038539163] [2019-11-28 00:21:11,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:11,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:11,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:11,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:11,770 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2019-11-28 00:21:11,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:11,833 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-11-28 00:21:11,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:11,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 00:21:11,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:11,835 INFO L225 Difference]: With dead ends: 113 [2019-11-28 00:21:11,835 INFO L226 Difference]: Without dead ends: 71 [2019-11-28 00:21:11,836 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 00:21:11,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-28 00:21:11,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2019-11-28 00:21:11,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-11-28 00:21:11,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2019-11-28 00:21:11,859 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2019-11-28 00:21:11,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:11,859 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2019-11-28 00:21:11,860 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:11,860 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2019-11-28 00:21:11,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 00:21:11,861 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:11,861 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 00:21:11,862 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:11,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:11,864 INFO L82 PathProgramCache]: Analyzing trace with hash -604593117, now seen corresponding path program 1 times [2019-11-28 00:21:11,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:11,865 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118482334] [2019-11-28 00:21:11,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:11,966 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 00:21:11,966 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118482334] [2019-11-28 00:21:11,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:11,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:11,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22687023] [2019-11-28 00:21:11,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:11,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:11,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:11,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:11,969 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2019-11-28 00:21:12,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:12,051 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2019-11-28 00:21:12,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:21:12,052 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 00:21:12,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:12,053 INFO L225 Difference]: With dead ends: 182 [2019-11-28 00:21:12,053 INFO L226 Difference]: Without dead ends: 120 [2019-11-28 00:21:12,055 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 00:21:12,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-11-28 00:21:12,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2019-11-28 00:21:12,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-28 00:21:12,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2019-11-28 00:21:12,064 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2019-11-28 00:21:12,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:12,065 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2019-11-28 00:21:12,065 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:12,065 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2019-11-28 00:21:12,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 00:21:12,067 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:12,067 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 00:21:12,067 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:12,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:12,068 INFO L82 PathProgramCache]: Analyzing trace with hash 328870592, now seen corresponding path program 1 times [2019-11-28 00:21:12,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:12,069 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253349492] [2019-11-28 00:21:12,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:12,141 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 00:21:12,141 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253349492] [2019-11-28 00:21:12,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:12,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:12,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015089370] [2019-11-28 00:21:12,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:12,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:12,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:12,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:12,145 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2019-11-28 00:21:12,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:12,232 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2019-11-28 00:21:12,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:21:12,232 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 00:21:12,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:12,235 INFO L225 Difference]: With dead ends: 387 [2019-11-28 00:21:12,235 INFO L226 Difference]: Without dead ends: 319 [2019-11-28 00:21:12,236 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 00:21:12,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2019-11-28 00:21:12,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2019-11-28 00:21:12,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-28 00:21:12,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2019-11-28 00:21:12,253 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2019-11-28 00:21:12,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:12,253 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2019-11-28 00:21:12,253 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:12,253 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2019-11-28 00:21:12,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:21:12,255 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:12,255 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 00:21:12,255 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:12,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:12,256 INFO L82 PathProgramCache]: Analyzing trace with hash 328714056, now seen corresponding path program 1 times [2019-11-28 00:21:12,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:12,256 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831708420] [2019-11-28 00:21:12,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:12,343 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 00:21:12,344 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831708420] [2019-11-28 00:21:12,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:12,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:12,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437502662] [2019-11-28 00:21:12,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:12,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:12,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:12,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:12,350 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2019-11-28 00:21:12,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:12,491 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2019-11-28 00:21:12,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:21:12,491 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 00:21:12,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:12,494 INFO L225 Difference]: With dead ends: 506 [2019-11-28 00:21:12,494 INFO L226 Difference]: Without dead ends: 378 [2019-11-28 00:21:12,495 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 00:21:12,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2019-11-28 00:21:12,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2019-11-28 00:21:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-28 00:21:12,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2019-11-28 00:21:12,516 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2019-11-28 00:21:12,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:12,517 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2019-11-28 00:21:12,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:12,518 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2019-11-28 00:21:12,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:21:12,522 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:12,522 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 00:21:12,523 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:12,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:12,523 INFO L82 PathProgramCache]: Analyzing trace with hash 96314925, now seen corresponding path program 1 times [2019-11-28 00:21:12,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:12,525 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773944979] [2019-11-28 00:21:12,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:12,629 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 00:21:12,629 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773944979] [2019-11-28 00:21:12,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:12,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:12,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535233839] [2019-11-28 00:21:12,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:12,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:12,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:12,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:12,633 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 5 states. [2019-11-28 00:21:12,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:12,713 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2019-11-28 00:21:12,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:21:12,714 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 00:21:12,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:12,716 INFO L225 Difference]: With dead ends: 357 [2019-11-28 00:21:12,716 INFO L226 Difference]: Without dead ends: 230 [2019-11-28 00:21:12,717 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 00:21:12,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-11-28 00:21:12,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2019-11-28 00:21:12,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-28 00:21:12,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2019-11-28 00:21:12,734 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2019-11-28 00:21:12,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:12,734 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2019-11-28 00:21:12,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:12,735 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2019-11-28 00:21:12,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:21:12,737 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:12,737 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 00:21:12,737 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:12,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:12,738 INFO L82 PathProgramCache]: Analyzing trace with hash -490491089, now seen corresponding path program 1 times [2019-11-28 00:21:12,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:12,740 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652044737] [2019-11-28 00:21:12,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:12,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:12,784 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652044737] [2019-11-28 00:21:12,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:12,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:12,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320847097] [2019-11-28 00:21:12,785 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:12,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:12,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:12,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:12,786 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2019-11-28 00:21:12,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:12,826 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2019-11-28 00:21:12,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:12,826 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-28 00:21:12,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:12,828 INFO L225 Difference]: With dead ends: 327 [2019-11-28 00:21:12,828 INFO L226 Difference]: Without dead ends: 192 [2019-11-28 00:21:12,829 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 00:21:12,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-11-28 00:21:12,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2019-11-28 00:21:12,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-11-28 00:21:12,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2019-11-28 00:21:12,846 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2019-11-28 00:21:12,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:12,846 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2019-11-28 00:21:12,846 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:12,847 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2019-11-28 00:21:12,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:21:12,847 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:12,848 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 00:21:12,848 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:12,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:12,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1404141039, now seen corresponding path program 1 times [2019-11-28 00:21:12,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:12,849 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435726842] [2019-11-28 00:21:12,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:12,895 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 00:21:12,896 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435726842] [2019-11-28 00:21:12,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:12,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:12,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054661876] [2019-11-28 00:21:12,897 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:12,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:12,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:12,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:12,898 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2019-11-28 00:21:12,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:12,953 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2019-11-28 00:21:12,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:12,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-28 00:21:12,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:12,957 INFO L225 Difference]: With dead ends: 295 [2019-11-28 00:21:12,957 INFO L226 Difference]: Without dead ends: 293 [2019-11-28 00:21:12,958 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 00:21:12,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2019-11-28 00:21:12,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2019-11-28 00:21:12,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-11-28 00:21:12,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2019-11-28 00:21:12,982 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2019-11-28 00:21:12,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:12,982 INFO L462 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2019-11-28 00:21:12,982 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:12,983 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2019-11-28 00:21:12,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 00:21:12,984 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:12,984 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 00:21:12,985 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:12,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:12,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1385466613, now seen corresponding path program 1 times [2019-11-28 00:21:12,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:12,986 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060569657] [2019-11-28 00:21:12,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:13,070 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:13,071 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060569657] [2019-11-28 00:21:13,071 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486671771] [2019-11-28 00:21:13,072 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 00:21:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:13,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 00:21:13,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:21:13,263 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 00:21:13,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 00:21:13,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-11-28 00:21:13,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28638193] [2019-11-28 00:21:13,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:13,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:13,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:13,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:13,266 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 3 states. [2019-11-28 00:21:13,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:13,331 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2019-11-28 00:21:13,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:13,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-28 00:21:13,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:13,333 INFO L225 Difference]: With dead ends: 374 [2019-11-28 00:21:13,333 INFO L226 Difference]: Without dead ends: 197 [2019-11-28 00:21:13,333 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 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 00:21:13,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-11-28 00:21:13,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2019-11-28 00:21:13,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-11-28 00:21:13,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2019-11-28 00:21:13,348 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2019-11-28 00:21:13,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:13,348 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2019-11-28 00:21:13,348 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:13,348 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2019-11-28 00:21:13,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 00:21:13,349 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:13,349 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 00:21:13,555 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:21:13,556 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:13,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:13,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1874884889, now seen corresponding path program 1 times [2019-11-28 00:21:13,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:13,557 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285421423] [2019-11-28 00:21:13,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:13,631 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-28 00:21:13,631 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285421423] [2019-11-28 00:21:13,631 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088121171] [2019-11-28 00:21:13,631 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 00:21:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:13,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 00:21:13,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:21:13,820 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 00:21:13,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 00:21:13,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-11-28 00:21:13,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364455180] [2019-11-28 00:21:13,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:13,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:13,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:13,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:21:13,822 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 5 states. [2019-11-28 00:21:13,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:13,886 INFO L93 Difference]: Finished difference Result 494 states and 655 transitions. [2019-11-28 00:21:13,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:21:13,886 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-28 00:21:13,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:13,888 INFO L225 Difference]: With dead ends: 494 [2019-11-28 00:21:13,888 INFO L226 Difference]: Without dead ends: 354 [2019-11-28 00:21:13,889 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 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 00:21:13,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2019-11-28 00:21:13,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 203. [2019-11-28 00:21:13,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-11-28 00:21:13,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2019-11-28 00:21:13,906 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2019-11-28 00:21:13,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:13,907 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2019-11-28 00:21:13,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:13,907 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2019-11-28 00:21:13,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 00:21:13,908 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:13,908 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 00:21:14,113 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:21:14,113 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:14,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:14,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1616719451, now seen corresponding path program 1 times [2019-11-28 00:21:14,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:14,114 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416799513] [2019-11-28 00:21:14,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:14,246 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 00:21:14,246 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416799513] [2019-11-28 00:21:14,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:14,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:21:14,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736779926] [2019-11-28 00:21:14,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:21:14,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:14,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:21:14,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:21:14,248 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2019-11-28 00:21:14,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:14,433 INFO L93 Difference]: Finished difference Result 585 states and 768 transitions. [2019-11-28 00:21:14,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:21:14,433 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-28 00:21:14,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:14,434 INFO L225 Difference]: With dead ends: 585 [2019-11-28 00:21:14,434 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:21:14,435 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 00:21:14,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:21:14,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:21:14,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:21:14,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:21:14,437 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-28 00:21:14,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:14,437 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:21:14,437 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:21:14,438 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:21:14,438 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:21:14,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:21:14,929 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 76 [2019-11-28 00:21:15,226 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2019-11-28 00:21:15,419 WARN L192 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2019-11-28 00:21:15,662 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 18 [2019-11-28 00:21:15,926 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 18 [2019-11-28 00:21:16,190 WARN L192 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 22 [2019-11-28 00:21:16,402 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 23 [2019-11-28 00:21:16,670 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 22 [2019-11-28 00:21:16,815 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2019-11-28 00:21:16,989 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 19 [2019-11-28 00:21:17,247 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 21 [2019-11-28 00:21:17,485 WARN L192 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 19 [2019-11-28 00:21:17,490 INFO L246 CegarLoopResult]: For program point L530-17(lines 530 534) no Hoare annotation was computed. [2019-11-28 00:21:17,490 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2019-11-28 00:21:17,490 INFO L246 CegarLoopResult]: For program point L432(lines 432 440) no Hoare annotation was computed. [2019-11-28 00:21:17,490 INFO L246 CegarLoopResult]: For program point L432-1(lines 432 440) no Hoare annotation was computed. [2019-11-28 00:21:17,490 INFO L246 CegarLoopResult]: For program point L432-2(lines 432 440) no Hoare annotation was computed. [2019-11-28 00:21:17,490 INFO L246 CegarLoopResult]: For program point L235(lines 235 241) no Hoare annotation was computed. [2019-11-28 00:21:17,490 INFO L246 CegarLoopResult]: For program point L235-1(lines 235 241) no Hoare annotation was computed. [2019-11-28 00:21:17,490 INFO L246 CegarLoopResult]: For program point L235-2(lines 235 241) no Hoare annotation was computed. [2019-11-28 00:21:17,491 INFO L246 CegarLoopResult]: For program point L235-3(lines 235 241) no Hoare annotation was computed. [2019-11-28 00:21:17,491 INFO L242 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:17,491 INFO L246 CegarLoopResult]: For program point L235-4(lines 235 241) no Hoare annotation was computed. [2019-11-28 00:21:17,491 INFO L246 CegarLoopResult]: For program point L235-5(lines 235 241) no Hoare annotation was computed. [2019-11-28 00:21:17,491 INFO L246 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2019-11-28 00:21:17,491 INFO L246 CegarLoopResult]: For program point L930(line 930) no Hoare annotation was computed. [2019-11-28 00:21:17,491 INFO L246 CegarLoopResult]: For program point L930-1(line 930) no Hoare annotation was computed. [2019-11-28 00:21:17,492 INFO L246 CegarLoopResult]: For program point L930-2(line 930) no Hoare annotation was computed. [2019-11-28 00:21:17,492 INFO L246 CegarLoopResult]: For program point L402(lines 402 419) no Hoare annotation was computed. [2019-11-28 00:21:17,492 INFO L246 CegarLoopResult]: For program point L402-1(lines 402 419) no Hoare annotation was computed. [2019-11-28 00:21:17,492 INFO L246 CegarLoopResult]: For program point L336(lines 336 347) no Hoare annotation was computed. [2019-11-28 00:21:17,492 INFO L246 CegarLoopResult]: For program point L402-2(lines 402 419) no Hoare annotation was computed. [2019-11-28 00:21:17,492 INFO L246 CegarLoopResult]: For program point L402-3(lines 402 419) no Hoare annotation was computed. [2019-11-28 00:21:17,492 INFO L246 CegarLoopResult]: For program point L402-4(lines 402 419) no Hoare annotation was computed. [2019-11-28 00:21:17,492 INFO L246 CegarLoopResult]: For program point L402-5(lines 402 419) no Hoare annotation was computed. [2019-11-28 00:21:17,492 INFO L242 CegarLoopResult]: At program point L370(lines 369 388) 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 00:21:17,493 INFO L246 CegarLoopResult]: For program point L370-1(lines 370 376) no Hoare annotation was computed. [2019-11-28 00:21:17,493 INFO L242 CegarLoopResult]: At program point L370-2(lines 369 388) the Hoare annotation is: false [2019-11-28 00:21:17,493 INFO L242 CegarLoopResult]: At program point L370-3(lines 369 388) the Hoare annotation is: false [2019-11-28 00:21:17,493 INFO L242 CegarLoopResult]: At program point L965(lines 960 968) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:17,493 INFO L242 CegarLoopResult]: At program point L536(lines 521 539) the Hoare annotation is: false [2019-11-28 00:21:17,493 INFO L242 CegarLoopResult]: At program point L536-1(lines 521 539) 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~5)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0) .cse3))) [2019-11-28 00:21:17,493 INFO L242 CegarLoopResult]: At program point L536-2(lines 521 539) the Hoare annotation is: false [2019-11-28 00:21:17,493 INFO L242 CegarLoopResult]: At program point L536-3(lines 521 539) the Hoare annotation is: false [2019-11-28 00:21:17,494 INFO L242 CegarLoopResult]: At program point L536-4(lines 521 539) the Hoare annotation is: false [2019-11-28 00:21:17,494 INFO L242 CegarLoopResult]: At program point L536-5(lines 521 539) the Hoare annotation is: false [2019-11-28 00:21:17,494 INFO L242 CegarLoopResult]: At program point L240(lines 231 244) the Hoare annotation is: false [2019-11-28 00:21:17,494 INFO L242 CegarLoopResult]: At program point L240-1(lines 231 244) 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 00:21:17,494 INFO L242 CegarLoopResult]: At program point L240-2(lines 231 244) the Hoare annotation is: false [2019-11-28 00:21:17,494 INFO L242 CegarLoopResult]: At program point L240-3(lines 231 244) the Hoare annotation is: false [2019-11-28 00:21:17,494 INFO L249 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2019-11-28 00:21:17,494 INFO L242 CegarLoopResult]: At program point L240-4(lines 231 244) the Hoare annotation is: false [2019-11-28 00:21:17,495 INFO L242 CegarLoopResult]: At program point L240-5(lines 231 244) the Hoare annotation is: false [2019-11-28 00:21:17,495 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2019-11-28 00:21:17,495 INFO L246 CegarLoopResult]: For program point L406(lines 406 414) no Hoare annotation was computed. [2019-11-28 00:21:17,495 INFO L246 CegarLoopResult]: For program point L406-1(lines 406 414) no Hoare annotation was computed. [2019-11-28 00:21:17,495 INFO L246 CegarLoopResult]: For program point L406-2(lines 406 414) no Hoare annotation was computed. [2019-11-28 00:21:17,495 INFO L246 CegarLoopResult]: For program point L307(lines 306 351) no Hoare annotation was computed. [2019-11-28 00:21:17,495 INFO L246 CegarLoopResult]: For program point L406-3(lines 406 414) no Hoare annotation was computed. [2019-11-28 00:21:17,495 INFO L246 CegarLoopResult]: For program point L274(lines 274 291) no Hoare annotation was computed. [2019-11-28 00:21:17,495 INFO L246 CegarLoopResult]: For program point L406-4(lines 406 414) no Hoare annotation was computed. [2019-11-28 00:21:17,496 INFO L242 CegarLoopResult]: At program point L274-1(lines 1 968) 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 00:21:17,496 INFO L246 CegarLoopResult]: For program point L406-5(lines 406 414) no Hoare annotation was computed. [2019-11-28 00:21:17,496 INFO L246 CegarLoopResult]: For program point L274-2(lines 274 291) no Hoare annotation was computed. [2019-11-28 00:21:17,496 INFO L242 CegarLoopResult]: At program point L274-3(lines 1 968) the Hoare annotation is: false [2019-11-28 00:21:17,496 INFO L246 CegarLoopResult]: For program point L274-4(lines 274 291) no Hoare annotation was computed. [2019-11-28 00:21:17,496 INFO L242 CegarLoopResult]: At program point L274-5(lines 1 968) the Hoare annotation is: false [2019-11-28 00:21:17,496 INFO L246 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-11-28 00:21:17,496 INFO L246 CegarLoopResult]: For program point L342(lines 342 346) no Hoare annotation was computed. [2019-11-28 00:21:17,496 INFO L246 CegarLoopResult]: For program point L342-2(lines 370 376) no Hoare annotation was computed. [2019-11-28 00:21:17,497 INFO L242 CegarLoopResult]: At program point L377(lines 377 383) 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 00:21:17,497 INFO L242 CegarLoopResult]: At program point L377-1(lines 377 383) the Hoare annotation is: false [2019-11-28 00:21:17,497 INFO L242 CegarLoopResult]: At program point L377-2(lines 377 383) the Hoare annotation is: false [2019-11-28 00:21:17,497 INFO L246 CegarLoopResult]: For program point L278(lines 278 288) no Hoare annotation was computed. [2019-11-28 00:21:17,497 INFO L246 CegarLoopResult]: For program point L278-2(lines 278 288) no Hoare annotation was computed. [2019-11-28 00:21:17,497 INFO L246 CegarLoopResult]: For program point L278-4(lines 278 288) no Hoare annotation was computed. [2019-11-28 00:21:17,497 INFO L246 CegarLoopResult]: For program point L279(lines 279 285) no Hoare annotation was computed. [2019-11-28 00:21:17,497 INFO L246 CegarLoopResult]: For program point L279-2(lines 279 285) no Hoare annotation was computed. [2019-11-28 00:21:17,497 INFO L246 CegarLoopResult]: For program point L279-4(lines 279 285) no Hoare annotation was computed. [2019-11-28 00:21:17,498 INFO L246 CegarLoopResult]: For program point L182(lines 182 186) no Hoare annotation was computed. [2019-11-28 00:21:17,498 INFO L242 CegarLoopResult]: At program point L481(lines 476 484) 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 00:21:17,498 INFO L242 CegarLoopResult]: At program point L481-1(lines 476 484) the Hoare annotation is: false [2019-11-28 00:21:17,498 INFO L242 CegarLoopResult]: At program point L481-2(lines 476 484) the Hoare annotation is: false [2019-11-28 00:21:17,498 INFO L246 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2019-11-28 00:21:17,498 INFO L242 CegarLoopResult]: At program point L316-1(lines 316 322) 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 00:21:17,498 INFO L242 CegarLoopResult]: At program point L250(lines 245 253) 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 00:21:17,498 INFO L242 CegarLoopResult]: At program point L250-1(lines 245 253) the Hoare annotation is: false [2019-11-28 00:21:17,499 INFO L242 CegarLoopResult]: At program point L250-2(lines 245 253) the Hoare annotation is: false [2019-11-28 00:21:17,499 INFO L242 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-11-28 00:21:17,499 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:21:17,499 INFO L246 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2019-11-28 00:21:17,499 INFO L246 CegarLoopResult]: For program point L549(lines 549 553) no Hoare annotation was computed. [2019-11-28 00:21:17,499 INFO L246 CegarLoopResult]: For program point L549-2(lines 549 553) no Hoare annotation was computed. [2019-11-28 00:21:17,499 INFO L246 CegarLoopResult]: For program point L549-3(lines 549 553) no Hoare annotation was computed. [2019-11-28 00:21:17,499 INFO L246 CegarLoopResult]: For program point L549-5(lines 549 553) no Hoare annotation was computed. [2019-11-28 00:21:17,499 INFO L246 CegarLoopResult]: For program point L549-6(lines 549 553) no Hoare annotation was computed. [2019-11-28 00:21:17,500 INFO L246 CegarLoopResult]: For program point L549-8(lines 549 553) no Hoare annotation was computed. [2019-11-28 00:21:17,500 INFO L242 CegarLoopResult]: At program point L352(lines 305 353) the Hoare annotation is: false [2019-11-28 00:21:17,500 INFO L246 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-28 00:21:17,500 INFO L246 CegarLoopResult]: For program point L56-1(lines 370 376) no Hoare annotation was computed. [2019-11-28 00:21:17,500 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:21:17,500 INFO L246 CegarLoopResult]: For program point L158(lines 158 162) no Hoare annotation was computed. [2019-11-28 00:21:17,500 INFO L246 CegarLoopResult]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2019-11-28 00:21:17,500 INFO L246 CegarLoopResult]: For program point L158-6(lines 158 162) no Hoare annotation was computed. [2019-11-28 00:21:17,501 INFO L242 CegarLoopResult]: At program point L555(lines 540 558) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~6) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:17,501 INFO L242 CegarLoopResult]: At program point L555-1(lines 540 558) the Hoare annotation is: false [2019-11-28 00:21:17,501 INFO L242 CegarLoopResult]: At program point L555-2(lines 540 558) the Hoare annotation is: false [2019-11-28 00:21:17,501 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:21:17,501 INFO L246 CegarLoopResult]: For program point L326(lines 326 332) no Hoare annotation was computed. [2019-11-28 00:21:17,501 INFO L242 CegarLoopResult]: At program point L326-1(lines 326 332) 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 00:21:17,501 INFO L242 CegarLoopResult]: At program point L195(lines 190 198) 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 00:21:17,502 INFO L242 CegarLoopResult]: At program point L195-1(lines 190 198) the Hoare annotation is: false [2019-11-28 00:21:17,502 INFO L242 CegarLoopResult]: At program point L195-2(lines 190 198) the Hoare annotation is: false [2019-11-28 00:21:17,502 INFO L246 CegarLoopResult]: For program point L428(lines 428 445) no Hoare annotation was computed. [2019-11-28 00:21:17,502 INFO L246 CegarLoopResult]: For program point L428-1(lines 428 445) no Hoare annotation was computed. [2019-11-28 00:21:17,502 INFO L246 CegarLoopResult]: For program point L428-2(lines 428 445) no Hoare annotation was computed. [2019-11-28 00:21:17,502 INFO L242 CegarLoopResult]: At program point L263(lines 258 265) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:17,502 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:21:17,502 INFO L242 CegarLoopResult]: At program point L957(lines 1 968) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:17,503 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2019-11-28 00:21:17,503 INFO L246 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-11-28 00:21:17,503 INFO L249 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2019-11-28 00:21:17,503 INFO L246 CegarLoopResult]: For program point L530(lines 530 534) no Hoare annotation was computed. [2019-11-28 00:21:17,503 INFO L246 CegarLoopResult]: For program point L530-2(lines 530 534) no Hoare annotation was computed. [2019-11-28 00:21:17,503 INFO L246 CegarLoopResult]: For program point L530-3(lines 530 534) no Hoare annotation was computed. [2019-11-28 00:21:17,503 INFO L246 CegarLoopResult]: For program point L530-5(lines 530 534) no Hoare annotation was computed. [2019-11-28 00:21:17,503 INFO L246 CegarLoopResult]: For program point L530-6(lines 530 534) no Hoare annotation was computed. [2019-11-28 00:21:17,504 INFO L246 CegarLoopResult]: For program point L530-8(lines 530 534) no Hoare annotation was computed. [2019-11-28 00:21:17,504 INFO L246 CegarLoopResult]: For program point L530-9(lines 530 534) no Hoare annotation was computed. [2019-11-28 00:21:17,504 INFO L246 CegarLoopResult]: For program point L530-11(lines 530 534) no Hoare annotation was computed. [2019-11-28 00:21:17,504 INFO L246 CegarLoopResult]: For program point L530-12(lines 530 534) no Hoare annotation was computed. [2019-11-28 00:21:17,504 INFO L246 CegarLoopResult]: For program point L530-14(lines 530 534) no Hoare annotation was computed. [2019-11-28 00:21:17,504 INFO L246 CegarLoopResult]: For program point L530-15(lines 530 534) no Hoare annotation was computed. [2019-11-28 00:21:17,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:21:17 BoogieIcfgContainer [2019-11-28 00:21:17,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:21:17,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:21:17,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:21:17,556 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:21:17,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:10" (3/4) ... [2019-11-28 00:21:17,561 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:21:17,605 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:21:17,606 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:21:17,607 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:21:17,608 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:21:17,609 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:21:17,610 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:17,611 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:17,648 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 00:21:17,649 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 0 == splverifierCounter [2019-11-28 00:21:17,650 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 00:21:17,650 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 00:21:17,650 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 1 <= tmp___0) && 1 <= \result) && 0 == tmp) && 0 == splverifierCounter [2019-11-28 00:21:17,651 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 00:21:17,780 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:21:17,781 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:21:17,783 INFO L168 Benchmark]: Toolchain (without parser) took 8875.23 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 326.1 MB). Free memory was 956.3 MB in the beginning and 973.9 MB in the end (delta: -17.6 MB). Peak memory consumption was 308.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:17,783 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:21:17,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:17,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.95 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:17,784 INFO L168 Benchmark]: Boogie Preprocessor took 61.85 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 00:21:17,785 INFO L168 Benchmark]: RCFGBuilder took 1035.92 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: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:17,785 INFO L168 Benchmark]: TraceAbstraction took 6810.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 1.0 GB in the beginning and 992.9 MB in the end (delta: 38.0 MB). Peak memory consumption was 313.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:17,786 INFO L168 Benchmark]: Witness Printer took 225.63 ms. Allocated memory is still 1.4 GB. Free memory was 992.9 MB in the beginning and 973.9 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:17,790 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 622.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 113.95 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1035.92 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: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6810.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 1.0 GB in the beginning and 992.9 MB in the end (delta: 38.0 MB). Peak memory consumption was 313.1 MB. Max. memory is 11.5 GB. * Witness Printer took 225.63 ms. Allocated memory is still 1.4 GB. Free memory was 992.9 MB in the beginning and 973.9 MB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 930]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 930]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 930]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: (((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 0 == splverifierCounter - 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: 258]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 1 <= tmp___0) && 1 <= \result) && 0 == tmp) && 0 == splverifierCounter - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: 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: 960]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: 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: 377]: 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: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: 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) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 476]: 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: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 369]: 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: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 locations, 3 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, HoareTripleCheckerStatistics: 1243 SDtfs, 1416 SDslu, 1709 SDs, 0 SdLazy, 216 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s 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, 43 LocationsWithAnnotation, 43 PreInvPairs, 190 NumberOfFragments, 476 HoareAnnotationTreeSize, 43 FomulaSimplifications, 358829 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 43 FomulaSimplificationsInter, 13079 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 559 ConstructedInterpolants, 0 QuantifiedInterpolants, 46123 SizeOfPredicates, 5 NumberOfNonLiveVariables, 842 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 80/99 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...