./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_spec4_product62.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e4021e5ed6083ccb49822fa9a7e2a9e751d393e1 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:44:26,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:44:26,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:44:26,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:44:26,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:44:26,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:44:26,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:44:26,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:44:26,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:44:26,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:44:26,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:44:26,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:44:26,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:44:26,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:44:26,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:44:26,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:44:26,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:44:26,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:44:26,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:44:26,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:44:26,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:44:26,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:44:26,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:44:26,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:44:26,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:44:26,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:44:26,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:44:26,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:44:26,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:44:26,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:44:26,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:44:26,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:44:26,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:44:26,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:44:26,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:44:26,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:44:26,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:44:26,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:44:26,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:44:26,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:44:26,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:44:26,630 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:44:26,671 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:44:26,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:44:26,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:44:26,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:44:26,674 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:44:26,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:44:26,675 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:44:26,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:44:26,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:44:26,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:44:26,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:44:26,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:44:26,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:44:26,678 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:44:26,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:44:26,678 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:44:26,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:44:26,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:44:26,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:44:26,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:44:26,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:44:26,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:44:26,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:44:26,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:44:26,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:44:26,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:44:26,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:44:26,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:44:26,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:44:26,682 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(reach_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 -> e4021e5ed6083ccb49822fa9a7e2a9e751d393e1 [2020-10-20 01:44:26,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:44:26,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:44:26,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:44:26,943 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:44:26,944 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:44:26,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c [2020-10-20 01:44:27,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4d185eca/181fbddd5d174f4b915e5eb0630d1800/FLAG67799499e [2020-10-20 01:44:27,556 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:44:27,557 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product62.cil.c [2020-10-20 01:44:27,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4d185eca/181fbddd5d174f4b915e5eb0630d1800/FLAG67799499e [2020-10-20 01:44:27,821 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4d185eca/181fbddd5d174f4b915e5eb0630d1800 [2020-10-20 01:44:27,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:44:27,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:44:27,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:27,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:44:27,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:44:27,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:27" (1/1) ... [2020-10-20 01:44:27,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@511364a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:27, skipping insertion in model container [2020-10-20 01:44:27,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:27" (1/1) ... [2020-10-20 01:44:27,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:44:27,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:44:28,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:28,488 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:44:28,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:28,654 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:44:28,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:28 WrapperNode [2020-10-20 01:44:28,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:28,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:28,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:44:28,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:44:28,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:28" (1/1) ... [2020-10-20 01:44:28,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:28" (1/1) ... [2020-10-20 01:44:28,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:28,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:44:28,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:44:28,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:44:28,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:28" (1/1) ... [2020-10-20 01:44:28,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:28" (1/1) ... [2020-10-20 01:44:28,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:28" (1/1) ... [2020-10-20 01:44:28,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:28" (1/1) ... [2020-10-20 01:44:28,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:28" (1/1) ... [2020-10-20 01:44:28,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:28" (1/1) ... [2020-10-20 01:44:28,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:28" (1/1) ... [2020-10-20 01:44:28,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:44:28,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:44:28,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:44:28,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:44:28,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:28" (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 [2020-10-20 01:44:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:44:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:44:28,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:44:28,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:44:30,294 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:44:30,294 INFO L298 CfgBuilder]: Removed 356 assume(true) statements. [2020-10-20 01:44:30,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:30 BoogieIcfgContainer [2020-10-20 01:44:30,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:44:30,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:44:30,298 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:44:30,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:44:30,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:44:27" (1/3) ... [2020-10-20 01:44:30,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ff8470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:30, skipping insertion in model container [2020-10-20 01:44:30,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:28" (2/3) ... [2020-10-20 01:44:30,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ff8470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:30, skipping insertion in model container [2020-10-20 01:44:30,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:30" (3/3) ... [2020-10-20 01:44:30,307 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2020-10-20 01:44:30,319 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:44:30,327 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:44:30,342 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:44:30,370 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:44:30,370 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:44:30,370 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:44:30,371 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:44:30,371 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:44:30,371 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:44:30,371 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:44:30,372 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:44:30,394 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-10-20 01:44:30,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:44:30,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:30,402 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:30,403 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:30,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:30,407 INFO L82 PathProgramCache]: Analyzing trace with hash -788957275, now seen corresponding path program 1 times [2020-10-20 01:44:30,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:30,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481386251] [2020-10-20 01:44:30,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:30,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:30,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481386251] [2020-10-20 01:44:30,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:30,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:30,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404019228] [2020-10-20 01:44:30,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:44:30,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:30,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:44:30,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:44:30,700 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 2 states. [2020-10-20 01:44:30,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:30,754 INFO L93 Difference]: Finished difference Result 447 states and 668 transitions. [2020-10-20 01:44:30,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:44:30,756 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:44:30,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:30,770 INFO L225 Difference]: With dead ends: 447 [2020-10-20 01:44:30,770 INFO L226 Difference]: Without dead ends: 221 [2020-10-20 01:44:30,774 INFO L677 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 [2020-10-20 01:44:30,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-10-20 01:44:30,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2020-10-20 01:44:30,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-10-20 01:44:30,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 324 transitions. [2020-10-20 01:44:30,829 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 324 transitions. Word has length 16 [2020-10-20 01:44:30,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:30,830 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 324 transitions. [2020-10-20 01:44:30,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:44:30,830 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 324 transitions. [2020-10-20 01:44:30,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:44:30,831 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:30,832 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:30,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:44:30,832 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:30,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:30,833 INFO L82 PathProgramCache]: Analyzing trace with hash -231685932, now seen corresponding path program 1 times [2020-10-20 01:44:30,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:30,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121441906] [2020-10-20 01:44:30,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:30,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:30,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121441906] [2020-10-20 01:44:30,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:30,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:30,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867603553] [2020-10-20 01:44:30,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:30,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:30,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:30,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:30,975 INFO L87 Difference]: Start difference. First operand 221 states and 324 transitions. Second operand 3 states. [2020-10-20 01:44:31,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:31,015 INFO L93 Difference]: Finished difference Result 221 states and 324 transitions. [2020-10-20 01:44:31,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:31,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:44:31,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:31,018 INFO L225 Difference]: With dead ends: 221 [2020-10-20 01:44:31,018 INFO L226 Difference]: Without dead ends: 83 [2020-10-20 01:44:31,025 INFO L677 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 [2020-10-20 01:44:31,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-20 01:44:31,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-10-20 01:44:31,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-20 01:44:31,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2020-10-20 01:44:31,040 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 17 [2020-10-20 01:44:31,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:31,040 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2020-10-20 01:44:31,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:31,041 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2020-10-20 01:44:31,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:44:31,042 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:31,042 INFO L422 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] [2020-10-20 01:44:31,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:44:31,042 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:31,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:31,043 INFO L82 PathProgramCache]: Analyzing trace with hash 810617826, now seen corresponding path program 1 times [2020-10-20 01:44:31,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:31,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349372035] [2020-10-20 01:44:31,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:31,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:31,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349372035] [2020-10-20 01:44:31,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:31,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:31,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062574663] [2020-10-20 01:44:31,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:31,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:31,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:31,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:31,166 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand 3 states. [2020-10-20 01:44:31,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:31,219 INFO L93 Difference]: Finished difference Result 160 states and 236 transitions. [2020-10-20 01:44:31,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:31,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-10-20 01:44:31,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:31,223 INFO L225 Difference]: With dead ends: 160 [2020-10-20 01:44:31,223 INFO L226 Difference]: Without dead ends: 83 [2020-10-20 01:44:31,224 INFO L677 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 [2020-10-20 01:44:31,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-20 01:44:31,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-10-20 01:44:31,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-20 01:44:31,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 120 transitions. [2020-10-20 01:44:31,244 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 120 transitions. Word has length 22 [2020-10-20 01:44:31,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:31,245 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 120 transitions. [2020-10-20 01:44:31,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:31,245 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 120 transitions. [2020-10-20 01:44:31,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:44:31,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:31,248 INFO L422 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] [2020-10-20 01:44:31,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:44:31,248 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:31,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:31,249 INFO L82 PathProgramCache]: Analyzing trace with hash 442460312, now seen corresponding path program 1 times [2020-10-20 01:44:31,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:31,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354775814] [2020-10-20 01:44:31,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:31,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:31,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354775814] [2020-10-20 01:44:31,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:31,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:31,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896874579] [2020-10-20 01:44:31,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:31,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:31,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:31,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:31,373 INFO L87 Difference]: Start difference. First operand 83 states and 120 transitions. Second operand 3 states. [2020-10-20 01:44:31,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:31,418 INFO L93 Difference]: Finished difference Result 166 states and 242 transitions. [2020-10-20 01:44:31,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:31,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-20 01:44:31,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:31,420 INFO L225 Difference]: With dead ends: 166 [2020-10-20 01:44:31,420 INFO L226 Difference]: Without dead ends: 89 [2020-10-20 01:44:31,422 INFO L677 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 [2020-10-20 01:44:31,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-20 01:44:31,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2020-10-20 01:44:31,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-20 01:44:31,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2020-10-20 01:44:31,431 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 25 [2020-10-20 01:44:31,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:31,431 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2020-10-20 01:44:31,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:31,432 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2020-10-20 01:44:31,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-20 01:44:31,434 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:31,434 INFO L422 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] [2020-10-20 01:44:31,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:44:31,435 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:31,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:31,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1878336052, now seen corresponding path program 1 times [2020-10-20 01:44:31,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:31,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962384520] [2020-10-20 01:44:31,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:31,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:31,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962384520] [2020-10-20 01:44:31,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:31,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:44:31,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140525703] [2020-10-20 01:44:31,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:44:31,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:31,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:44:31,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:44:31,565 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand 7 states. [2020-10-20 01:44:31,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:31,938 INFO L93 Difference]: Finished difference Result 568 states and 818 transitions. [2020-10-20 01:44:31,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:44:31,939 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2020-10-20 01:44:31,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:31,946 INFO L225 Difference]: With dead ends: 568 [2020-10-20 01:44:31,946 INFO L226 Difference]: Without dead ends: 487 [2020-10-20 01:44:31,948 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-20 01:44:31,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2020-10-20 01:44:32,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 204. [2020-10-20 01:44:32,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-10-20 01:44:32,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 283 transitions. [2020-10-20 01:44:32,008 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 283 transitions. Word has length 31 [2020-10-20 01:44:32,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:32,009 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 283 transitions. [2020-10-20 01:44:32,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:44:32,010 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 283 transitions. [2020-10-20 01:44:32,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-20 01:44:32,014 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:32,014 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-20 01:44:32,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:44:32,015 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:32,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:32,015 INFO L82 PathProgramCache]: Analyzing trace with hash 265746685, now seen corresponding path program 1 times [2020-10-20 01:44:32,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:32,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387496360] [2020-10-20 01:44:32,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:44:32,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387496360] [2020-10-20 01:44:32,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:32,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:32,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550210127] [2020-10-20 01:44:32,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:32,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:32,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:32,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:32,157 INFO L87 Difference]: Start difference. First operand 204 states and 283 transitions. Second operand 5 states. [2020-10-20 01:44:32,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:32,263 INFO L93 Difference]: Finished difference Result 540 states and 739 transitions. [2020-10-20 01:44:32,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:32,264 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-20 01:44:32,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:32,266 INFO L225 Difference]: With dead ends: 540 [2020-10-20 01:44:32,266 INFO L226 Difference]: Without dead ends: 342 [2020-10-20 01:44:32,267 INFO L677 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 [2020-10-20 01:44:32,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-20 01:44:32,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 225. [2020-10-20 01:44:32,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-10-20 01:44:32,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 304 transitions. [2020-10-20 01:44:32,290 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 304 transitions. Word has length 52 [2020-10-20 01:44:32,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:32,296 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 304 transitions. [2020-10-20 01:44:32,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:32,296 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 304 transitions. [2020-10-20 01:44:32,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-20 01:44:32,305 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:32,305 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-20 01:44:32,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:44:32,305 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:32,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:32,306 INFO L82 PathProgramCache]: Analyzing trace with hash 967346559, now seen corresponding path program 1 times [2020-10-20 01:44:32,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:32,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675571636] [2020-10-20 01:44:32,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:32,413 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:44:32,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675571636] [2020-10-20 01:44:32,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:32,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:32,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597487813] [2020-10-20 01:44:32,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:32,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:32,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:32,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:32,415 INFO L87 Difference]: Start difference. First operand 225 states and 304 transitions. Second operand 5 states. [2020-10-20 01:44:32,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:32,527 INFO L93 Difference]: Finished difference Result 506 states and 680 transitions. [2020-10-20 01:44:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:32,527 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-20 01:44:32,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:32,530 INFO L225 Difference]: With dead ends: 506 [2020-10-20 01:44:32,530 INFO L226 Difference]: Without dead ends: 287 [2020-10-20 01:44:32,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:44:32,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-20 01:44:32,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 191. [2020-10-20 01:44:32,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-10-20 01:44:32,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 252 transitions. [2020-10-20 01:44:32,551 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 252 transitions. Word has length 52 [2020-10-20 01:44:32,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:32,551 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 252 transitions. [2020-10-20 01:44:32,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:32,551 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 252 transitions. [2020-10-20 01:44:32,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-20 01:44:32,552 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:32,553 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-20 01:44:32,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:44:32,553 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:32,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:32,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1728448769, now seen corresponding path program 1 times [2020-10-20 01:44:32,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:32,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660335757] [2020-10-20 01:44:32,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:32,786 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:32,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660335757] [2020-10-20 01:44:32,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:32,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:32,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367415806] [2020-10-20 01:44:32,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:44:32,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:32,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:44:32,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:32,788 INFO L87 Difference]: Start difference. First operand 191 states and 252 transitions. Second operand 6 states. [2020-10-20 01:44:33,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:33,011 INFO L93 Difference]: Finished difference Result 871 states and 1182 transitions. [2020-10-20 01:44:33,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:44:33,012 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2020-10-20 01:44:33,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:33,016 INFO L225 Difference]: With dead ends: 871 [2020-10-20 01:44:33,016 INFO L226 Difference]: Without dead ends: 686 [2020-10-20 01:44:33,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:44:33,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2020-10-20 01:44:33,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 374. [2020-10-20 01:44:33,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-10-20 01:44:33,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 490 transitions. [2020-10-20 01:44:33,055 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 490 transitions. Word has length 53 [2020-10-20 01:44:33,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:33,056 INFO L481 AbstractCegarLoop]: Abstraction has 374 states and 490 transitions. [2020-10-20 01:44:33,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:44:33,056 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 490 transitions. [2020-10-20 01:44:33,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-20 01:44:33,057 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:33,057 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1] [2020-10-20 01:44:33,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:44:33,058 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:33,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:33,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1157314809, now seen corresponding path program 1 times [2020-10-20 01:44:33,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:33,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683101792] [2020-10-20 01:44:33,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:33,148 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:33,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683101792] [2020-10-20 01:44:33,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:33,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:33,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042015484] [2020-10-20 01:44:33,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:33,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:33,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:33,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:33,151 INFO L87 Difference]: Start difference. First operand 374 states and 490 transitions. Second operand 5 states. [2020-10-20 01:44:33,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:33,364 INFO L93 Difference]: Finished difference Result 1022 states and 1347 transitions. [2020-10-20 01:44:33,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:44:33,364 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-10-20 01:44:33,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:33,370 INFO L225 Difference]: With dead ends: 1022 [2020-10-20 01:44:33,371 INFO L226 Difference]: Without dead ends: 1020 [2020-10-20 01:44:33,371 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:44:33,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2020-10-20 01:44:33,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 374. [2020-10-20 01:44:33,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-10-20 01:44:33,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 488 transitions. [2020-10-20 01:44:33,414 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 488 transitions. Word has length 54 [2020-10-20 01:44:33,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:33,415 INFO L481 AbstractCegarLoop]: Abstraction has 374 states and 488 transitions. [2020-10-20 01:44:33,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:33,415 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 488 transitions. [2020-10-20 01:44:33,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-20 01:44:33,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:33,417 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:33,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:44:33,418 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:33,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:33,418 INFO L82 PathProgramCache]: Analyzing trace with hash -167774724, now seen corresponding path program 1 times [2020-10-20 01:44:33,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:33,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277554105] [2020-10-20 01:44:33,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:33,503 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:33,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277554105] [2020-10-20 01:44:33,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742955124] [2020-10-20 01:44:33,505 INFO L95 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 [2020-10-20 01:44:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:33,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 01:44:33,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:44:33,724 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:33,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:44:33,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-10-20 01:44:33,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369542707] [2020-10-20 01:44:33,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:44:33,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:33,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:44:33,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:33,727 INFO L87 Difference]: Start difference. First operand 374 states and 488 transitions. Second operand 6 states. [2020-10-20 01:44:34,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:34,039 INFO L93 Difference]: Finished difference Result 1114 states and 1467 transitions. [2020-10-20 01:44:34,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:44:34,040 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-10-20 01:44:34,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:34,044 INFO L225 Difference]: With dead ends: 1114 [2020-10-20 01:44:34,045 INFO L226 Difference]: Without dead ends: 796 [2020-10-20 01:44:34,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-10-20 01:44:34,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2020-10-20 01:44:34,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 468. [2020-10-20 01:44:34,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-10-20 01:44:34,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 604 transitions. [2020-10-20 01:44:34,117 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 604 transitions. Word has length 60 [2020-10-20 01:44:34,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:34,117 INFO L481 AbstractCegarLoop]: Abstraction has 468 states and 604 transitions. [2020-10-20 01:44:34,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:44:34,118 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 604 transitions. [2020-10-20 01:44:34,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-20 01:44:34,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:34,120 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:34,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-20 01:44:34,335 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:34,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:34,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1106059875, now seen corresponding path program 2 times [2020-10-20 01:44:34,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:34,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314208946] [2020-10-20 01:44:34,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:34,488 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:34,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314208946] [2020-10-20 01:44:34,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:34,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:34,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249126185] [2020-10-20 01:44:34,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:34,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:34,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:34,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:34,491 INFO L87 Difference]: Start difference. First operand 468 states and 604 transitions. Second operand 5 states. [2020-10-20 01:44:34,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:34,965 INFO L93 Difference]: Finished difference Result 1418 states and 1848 transitions. [2020-10-20 01:44:34,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:44:34,965 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-10-20 01:44:34,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:34,971 INFO L225 Difference]: With dead ends: 1418 [2020-10-20 01:44:34,971 INFO L226 Difference]: Without dead ends: 1004 [2020-10-20 01:44:34,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:44:34,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2020-10-20 01:44:35,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 644. [2020-10-20 01:44:35,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 644 states. [2020-10-20 01:44:35,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 823 transitions. [2020-10-20 01:44:35,076 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 823 transitions. Word has length 85 [2020-10-20 01:44:35,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:35,077 INFO L481 AbstractCegarLoop]: Abstraction has 644 states and 823 transitions. [2020-10-20 01:44:35,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:35,077 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 823 transitions. [2020-10-20 01:44:35,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-20 01:44:35,079 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:35,079 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:35,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 01:44:35,080 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:35,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:35,081 INFO L82 PathProgramCache]: Analyzing trace with hash 711693089, now seen corresponding path program 1 times [2020-10-20 01:44:35,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:35,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790851922] [2020-10-20 01:44:35,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:35,147 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-20 01:44:35,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790851922] [2020-10-20 01:44:35,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398146953] [2020-10-20 01:44:35,148 INFO L95 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 [2020-10-20 01:44:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:35,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 01:44:35,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:44:35,361 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-20 01:44:35,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 01:44:35,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-10-20 01:44:35,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860978084] [2020-10-20 01:44:35,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:35,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:35,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:35,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:44:35,364 INFO L87 Difference]: Start difference. First operand 644 states and 823 transitions. Second operand 5 states. [2020-10-20 01:44:35,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:35,475 INFO L93 Difference]: Finished difference Result 1176 states and 1496 transitions. [2020-10-20 01:44:35,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:35,476 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-10-20 01:44:35,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:35,476 INFO L225 Difference]: With dead ends: 1176 [2020-10-20 01:44:35,477 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:44:35,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-20 01:44:35,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:44:35,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:44:35,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:44:35,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:44:35,480 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2020-10-20 01:44:35,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:35,480 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:44:35,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:35,480 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:44:35,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:44:35,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-20 01:44:35,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:44:35,914 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 106 [2020-10-20 01:44:36,525 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 154 [2020-10-20 01:44:36,924 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 160 [2020-10-20 01:44:37,437 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 162 [2020-10-20 01:44:37,810 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 157 [2020-10-20 01:44:38,010 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 80 [2020-10-20 01:44:38,360 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 162 [2020-10-20 01:44:38,515 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 139 [2020-10-20 01:44:38,842 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 19 [2020-10-20 01:44:39,689 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 24 [2020-10-20 01:44:39,811 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 12 [2020-10-20 01:44:40,566 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 17 [2020-10-20 01:44:41,416 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 17 [2020-10-20 01:44:41,634 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 19 [2020-10-20 01:44:42,285 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 9 [2020-10-20 01:44:42,574 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 27 [2020-10-20 01:44:42,760 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 25 [2020-10-20 01:44:43,565 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 17 [2020-10-20 01:44:44,091 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 25 [2020-10-20 01:44:44,097 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:44,098 INFO L270 CegarLoopResult]: At program point L433(lines 1 1009) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:44,098 INFO L270 CegarLoopResult]: At program point L368(lines 353 371) the Hoare annotation is: (and (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) (= ULTIMATE.start_processEnvironment_~tmp~3 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|)) [2020-10-20 01:44:44,098 INFO L270 CegarLoopResult]: At program point L368-1(lines 353 371) the Hoare annotation is: false [2020-10-20 01:44:44,099 INFO L270 CegarLoopResult]: At program point L368-2(lines 353 371) the Hoare annotation is: false [2020-10-20 01:44:44,099 INFO L270 CegarLoopResult]: At program point L368-3(lines 353 371) the Hoare annotation is: false [2020-10-20 01:44:44,099 INFO L270 CegarLoopResult]: At program point L368-4(lines 353 371) the Hoare annotation is: false [2020-10-20 01:44:44,099 INFO L270 CegarLoopResult]: At program point L368-5(lines 353 371) the Hoare annotation is: false [2020-10-20 01:44:44,099 INFO L274 CegarLoopResult]: For program point L104(lines 104 108) no Hoare annotation was computed. [2020-10-20 01:44:44,100 INFO L270 CegarLoopResult]: At program point L104-2(lines 140 146) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 ~systemActive~0) .cse0 (= ~pumpRunning~0 0) .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-10-20 01:44:44,100 INFO L274 CegarLoopResult]: For program point L172(lines 172 189) no Hoare annotation was computed. [2020-10-20 01:44:44,100 INFO L274 CegarLoopResult]: For program point L172-1(lines 172 189) no Hoare annotation was computed. [2020-10-20 01:44:44,100 INFO L274 CegarLoopResult]: For program point L172-2(lines 172 189) no Hoare annotation was computed. [2020-10-20 01:44:44,100 INFO L274 CegarLoopResult]: For program point L172-3(lines 172 189) no Hoare annotation was computed. [2020-10-20 01:44:44,100 INFO L274 CegarLoopResult]: For program point L172-4(lines 172 189) no Hoare annotation was computed. [2020-10-20 01:44:44,101 INFO L274 CegarLoopResult]: For program point L172-5(lines 172 189) no Hoare annotation was computed. [2020-10-20 01:44:44,101 INFO L274 CegarLoopResult]: For program point L172-6(lines 172 189) no Hoare annotation was computed. [2020-10-20 01:44:44,101 INFO L274 CegarLoopResult]: For program point L172-7(lines 172 189) no Hoare annotation was computed. [2020-10-20 01:44:44,101 INFO L274 CegarLoopResult]: For program point L172-8(lines 172 189) no Hoare annotation was computed. [2020-10-20 01:44:44,101 INFO L274 CegarLoopResult]: For program point L172-9(lines 172 189) no Hoare annotation was computed. [2020-10-20 01:44:44,101 INFO L274 CegarLoopResult]: For program point L172-10(lines 172 189) no Hoare annotation was computed. [2020-10-20 01:44:44,101 INFO L274 CegarLoopResult]: For program point L172-11(lines 172 189) no Hoare annotation was computed. [2020-10-20 01:44:44,101 INFO L270 CegarLoopResult]: At program point L505(lines 501 507) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:44,102 INFO L274 CegarLoopResult]: For program point L176(lines 176 184) no Hoare annotation was computed. [2020-10-20 01:44:44,102 INFO L274 CegarLoopResult]: For program point L176-1(lines 176 184) no Hoare annotation was computed. [2020-10-20 01:44:44,102 INFO L274 CegarLoopResult]: For program point L176-2(lines 176 184) no Hoare annotation was computed. [2020-10-20 01:44:44,102 INFO L274 CegarLoopResult]: For program point L176-3(lines 176 184) no Hoare annotation was computed. [2020-10-20 01:44:44,102 INFO L274 CegarLoopResult]: For program point L176-4(lines 176 184) no Hoare annotation was computed. [2020-10-20 01:44:44,102 INFO L274 CegarLoopResult]: For program point L176-5(lines 176 184) no Hoare annotation was computed. [2020-10-20 01:44:44,102 INFO L274 CegarLoopResult]: For program point L176-6(lines 176 184) no Hoare annotation was computed. [2020-10-20 01:44:44,102 INFO L274 CegarLoopResult]: For program point L176-7(lines 176 184) no Hoare annotation was computed. [2020-10-20 01:44:44,102 INFO L274 CegarLoopResult]: For program point L176-8(lines 176 184) no Hoare annotation was computed. [2020-10-20 01:44:44,102 INFO L274 CegarLoopResult]: For program point L176-9(lines 176 184) no Hoare annotation was computed. [2020-10-20 01:44:44,103 INFO L274 CegarLoopResult]: For program point L176-10(lines 176 184) no Hoare annotation was computed. [2020-10-20 01:44:44,103 INFO L274 CegarLoopResult]: For program point L176-11(lines 176 184) no Hoare annotation was computed. [2020-10-20 01:44:44,103 INFO L270 CegarLoopResult]: At program point L441(lines 436 444) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:44,103 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-20 01:44:44,103 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-10-20 01:44:44,103 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-10-20 01:44:44,103 INFO L270 CegarLoopResult]: At program point L114(lines 65 115) the Hoare annotation is: false [2020-10-20 01:44:44,103 INFO L274 CegarLoopResult]: For program point L914(lines 914 918) no Hoare annotation was computed. [2020-10-20 01:44:44,103 INFO L274 CegarLoopResult]: For program point L914-3(lines 914 918) no Hoare annotation was computed. [2020-10-20 01:44:44,104 INFO L274 CegarLoopResult]: For program point L914-6(lines 914 918) no Hoare annotation was computed. [2020-10-20 01:44:44,104 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:44:44,104 INFO L270 CegarLoopResult]: At program point L983(lines 978 986) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2))) [2020-10-20 01:44:44,104 INFO L270 CegarLoopResult]: At program point L983-1(lines 978 986) the Hoare annotation is: false [2020-10-20 01:44:44,104 INFO L270 CegarLoopResult]: At program point L983-2(lines 978 986) the Hoare annotation is: false [2020-10-20 01:44:44,104 INFO L274 CegarLoopResult]: For program point L390(lines 390 403) no Hoare annotation was computed. [2020-10-20 01:44:44,104 INFO L270 CegarLoopResult]: At program point L390-1(lines 1 1009) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and (= ~waterLevel~0 ~systemActive~0) .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse4) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse2 .cse4))) [2020-10-20 01:44:44,104 INFO L274 CegarLoopResult]: For program point L390-2(lines 390 403) no Hoare annotation was computed. [2020-10-20 01:44:44,105 INFO L270 CegarLoopResult]: At program point L390-3(lines 1 1009) the Hoare annotation is: false [2020-10-20 01:44:44,105 INFO L274 CegarLoopResult]: For program point L390-4(lines 390 403) no Hoare annotation was computed. [2020-10-20 01:44:44,105 INFO L270 CegarLoopResult]: At program point L390-5(lines 1 1009) the Hoare annotation is: false [2020-10-20 01:44:44,105 INFO L270 CegarLoopResult]: At program point L457-2(lines 457 471) the Hoare annotation is: false [2020-10-20 01:44:44,105 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-10-20 01:44:44,105 INFO L274 CegarLoopResult]: For program point L260(lines 260 266) no Hoare annotation was computed. [2020-10-20 01:44:44,105 INFO L274 CegarLoopResult]: For program point L260-2(lines 260 266) no Hoare annotation was computed. [2020-10-20 01:44:44,105 INFO L274 CegarLoopResult]: For program point L260-4(lines 260 266) no Hoare annotation was computed. [2020-10-20 01:44:44,105 INFO L274 CegarLoopResult]: For program point L260-6(lines 260 266) no Hoare annotation was computed. [2020-10-20 01:44:44,105 INFO L274 CegarLoopResult]: For program point L260-8(lines 260 266) no Hoare annotation was computed. [2020-10-20 01:44:44,106 INFO L274 CegarLoopResult]: For program point L260-10(lines 260 266) no Hoare annotation was computed. [2020-10-20 01:44:44,106 INFO L274 CegarLoopResult]: For program point L260-12(lines 260 266) no Hoare annotation was computed. [2020-10-20 01:44:44,106 INFO L274 CegarLoopResult]: For program point L260-14(lines 260 266) no Hoare annotation was computed. [2020-10-20 01:44:44,106 INFO L274 CegarLoopResult]: For program point L260-16(lines 260 266) no Hoare annotation was computed. [2020-10-20 01:44:44,106 INFO L274 CegarLoopResult]: For program point L260-18(lines 260 266) no Hoare annotation was computed. [2020-10-20 01:44:44,106 INFO L274 CegarLoopResult]: For program point L260-20(lines 260 266) no Hoare annotation was computed. [2020-10-20 01:44:44,106 INFO L274 CegarLoopResult]: For program point L260-22(lines 260 266) no Hoare annotation was computed. [2020-10-20 01:44:44,106 INFO L274 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-10-20 01:44:44,106 INFO L274 CegarLoopResult]: For program point L394-2(lines 394 400) no Hoare annotation was computed. [2020-10-20 01:44:44,106 INFO L274 CegarLoopResult]: For program point L394-4(lines 394 400) no Hoare annotation was computed. [2020-10-20 01:44:44,107 INFO L274 CegarLoopResult]: For program point L461(lines 461 465) no Hoare annotation was computed. [2020-10-20 01:44:44,107 INFO L274 CegarLoopResult]: For program point L461-1(lines 140 146) no Hoare annotation was computed. [2020-10-20 01:44:44,107 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:44:44,107 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:44,107 INFO L274 CegarLoopResult]: For program point L528(lines 528 535) no Hoare annotation was computed. [2020-10-20 01:44:44,107 INFO L277 CegarLoopResult]: At program point L528-1(lines 528 535) the Hoare annotation is: true [2020-10-20 01:44:44,107 INFO L274 CegarLoopResult]: For program point L198(lines 198 215) no Hoare annotation was computed. [2020-10-20 01:44:44,107 INFO L274 CegarLoopResult]: For program point L198-1(lines 198 215) no Hoare annotation was computed. [2020-10-20 01:44:44,108 INFO L274 CegarLoopResult]: For program point L198-2(lines 198 215) no Hoare annotation was computed. [2020-10-20 01:44:44,108 INFO L274 CegarLoopResult]: For program point L198-3(lines 198 215) no Hoare annotation was computed. [2020-10-20 01:44:44,108 INFO L274 CegarLoopResult]: For program point L198-4(lines 198 215) no Hoare annotation was computed. [2020-10-20 01:44:44,108 INFO L274 CegarLoopResult]: For program point L198-5(lines 198 215) no Hoare annotation was computed. [2020-10-20 01:44:44,108 INFO L274 CegarLoopResult]: For program point L991(lines 991 997) no Hoare annotation was computed. [2020-10-20 01:44:44,108 INFO L274 CegarLoopResult]: For program point L991-1(lines 991 997) no Hoare annotation was computed. [2020-10-20 01:44:44,108 INFO L274 CegarLoopResult]: For program point L991-2(lines 991 997) no Hoare annotation was computed. [2020-10-20 01:44:44,108 INFO L274 CegarLoopResult]: For program point L991-3(lines 991 997) no Hoare annotation was computed. [2020-10-20 01:44:44,108 INFO L274 CegarLoopResult]: For program point L991-4(lines 991 997) no Hoare annotation was computed. [2020-10-20 01:44:44,108 INFO L274 CegarLoopResult]: For program point L991-5(lines 991 997) no Hoare annotation was computed. [2020-10-20 01:44:44,109 INFO L274 CegarLoopResult]: For program point L991-6(lines 991 997) no Hoare annotation was computed. [2020-10-20 01:44:44,109 INFO L274 CegarLoopResult]: For program point L991-7(lines 991 997) no Hoare annotation was computed. [2020-10-20 01:44:44,109 INFO L274 CegarLoopResult]: For program point L991-8(lines 991 997) no Hoare annotation was computed. [2020-10-20 01:44:44,109 INFO L274 CegarLoopResult]: For program point L991-9(lines 991 997) no Hoare annotation was computed. [2020-10-20 01:44:44,109 INFO L274 CegarLoopResult]: For program point L991-10(lines 991 997) no Hoare annotation was computed. [2020-10-20 01:44:44,109 INFO L274 CegarLoopResult]: For program point L991-11(lines 991 997) no Hoare annotation was computed. [2020-10-20 01:44:44,109 INFO L274 CegarLoopResult]: For program point L67(lines 66 113) no Hoare annotation was computed. [2020-10-20 01:44:44,109 INFO L274 CegarLoopResult]: For program point L926(lines 926 930) no Hoare annotation was computed. [2020-10-20 01:44:44,109 INFO L274 CegarLoopResult]: For program point L68(lines 68 72) no Hoare annotation was computed. [2020-10-20 01:44:44,110 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:44:44,110 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:44:44,110 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:44:44,110 INFO L274 CegarLoopResult]: For program point L202(lines 202 210) no Hoare annotation was computed. [2020-10-20 01:44:44,110 INFO L274 CegarLoopResult]: For program point L202-1(lines 202 210) no Hoare annotation was computed. [2020-10-20 01:44:44,110 INFO L274 CegarLoopResult]: For program point L202-2(lines 202 210) no Hoare annotation was computed. [2020-10-20 01:44:44,110 INFO L274 CegarLoopResult]: For program point L202-3(lines 202 210) no Hoare annotation was computed. [2020-10-20 01:44:44,110 INFO L274 CegarLoopResult]: For program point L202-4(lines 202 210) no Hoare annotation was computed. [2020-10-20 01:44:44,110 INFO L274 CegarLoopResult]: For program point L202-5(lines 202 210) no Hoare annotation was computed. [2020-10-20 01:44:44,111 INFO L270 CegarLoopResult]: At program point L996(lines 987 1000) the Hoare annotation is: false [2020-10-20 01:44:44,111 INFO L270 CegarLoopResult]: At program point L996-1(lines 987 1000) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-10-20 01:44:44,111 INFO L270 CegarLoopResult]: At program point L996-2(lines 987 1000) the Hoare annotation is: false [2020-10-20 01:44:44,111 INFO L270 CegarLoopResult]: At program point L996-3(lines 987 1000) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-10-20 01:44:44,111 INFO L270 CegarLoopResult]: At program point L996-4(lines 987 1000) the Hoare annotation is: false [2020-10-20 01:44:44,111 INFO L270 CegarLoopResult]: At program point L996-5(lines 987 1000) the Hoare annotation is: false [2020-10-20 01:44:44,111 INFO L270 CegarLoopResult]: At program point L996-6(lines 987 1000) the Hoare annotation is: false [2020-10-20 01:44:44,111 INFO L270 CegarLoopResult]: At program point L996-7(lines 987 1000) the Hoare annotation is: false [2020-10-20 01:44:44,112 INFO L270 CegarLoopResult]: At program point L996-8(lines 987 1000) the Hoare annotation is: false [2020-10-20 01:44:44,112 INFO L270 CegarLoopResult]: At program point L996-9(lines 987 1000) the Hoare annotation is: false [2020-10-20 01:44:44,112 INFO L270 CegarLoopResult]: At program point L996-10(lines 987 1000) the Hoare annotation is: false [2020-10-20 01:44:44,112 INFO L270 CegarLoopResult]: At program point L996-11(lines 987 1000) the Hoare annotation is: false [2020-10-20 01:44:44,112 INFO L270 CegarLoopResult]: At program point L140(lines 139 158) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:44,112 INFO L274 CegarLoopResult]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2020-10-20 01:44:44,112 INFO L270 CegarLoopResult]: At program point L140-2(lines 139 158) the Hoare annotation is: false [2020-10-20 01:44:44,112 INFO L270 CegarLoopResult]: At program point L140-3(lines 139 158) the Hoare annotation is: false [2020-10-20 01:44:44,113 INFO L277 CegarLoopResult]: At program point L537(lines 518 540) the Hoare annotation is: true [2020-10-20 01:44:44,113 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:44,113 INFO L274 CegarLoopResult]: For program point L76(lines 76 82) no Hoare annotation was computed. [2020-10-20 01:44:44,113 INFO L270 CegarLoopResult]: At program point L76-1(lines 76 82) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse2) (and .cse0 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7) .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)))) [2020-10-20 01:44:44,113 INFO L274 CegarLoopResult]: For program point L343(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,113 INFO L274 CegarLoopResult]: For program point L343-2(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,114 INFO L274 CegarLoopResult]: For program point L343-3(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,114 INFO L274 CegarLoopResult]: For program point L343-5(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,114 INFO L274 CegarLoopResult]: For program point L343-6(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,114 INFO L274 CegarLoopResult]: For program point L343-8(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,114 INFO L274 CegarLoopResult]: For program point L343-9(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,114 INFO L274 CegarLoopResult]: For program point L343-11(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,114 INFO L274 CegarLoopResult]: For program point L343-12(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,114 INFO L274 CegarLoopResult]: For program point L938(lines 938 942) no Hoare annotation was computed. [2020-10-20 01:44:44,114 INFO L274 CegarLoopResult]: For program point L343-14(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,115 INFO L274 CegarLoopResult]: For program point L343-15(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,115 INFO L274 CegarLoopResult]: For program point L343-17(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,115 INFO L274 CegarLoopResult]: For program point L343-18(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,115 INFO L274 CegarLoopResult]: For program point L343-20(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,115 INFO L274 CegarLoopResult]: For program point L343-21(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,115 INFO L274 CegarLoopResult]: For program point L343-23(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,115 INFO L274 CegarLoopResult]: For program point L343-24(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,115 INFO L274 CegarLoopResult]: For program point L343-26(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,115 INFO L274 CegarLoopResult]: For program point L343-27(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,116 INFO L274 CegarLoopResult]: For program point L343-29(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,116 INFO L274 CegarLoopResult]: For program point L343-30(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,116 INFO L274 CegarLoopResult]: For program point L343-32(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,116 INFO L274 CegarLoopResult]: For program point L343-33(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,116 INFO L274 CegarLoopResult]: For program point L343-35(lines 343 347) no Hoare annotation was computed. [2020-10-20 01:44:44,116 INFO L270 CegarLoopResult]: At program point L147(lines 147 153) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0)))) [2020-10-20 01:44:44,116 INFO L270 CegarLoopResult]: At program point L147-1(lines 147 153) the Hoare annotation is: false [2020-10-20 01:44:44,116 INFO L270 CegarLoopResult]: At program point L147-2(lines 147 153) the Hoare annotation is: false [2020-10-20 01:44:44,117 INFO L270 CegarLoopResult]: At program point L1006(lines 1001 1009) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~3 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:44,117 INFO L270 CegarLoopResult]: At program point L1006-1(lines 1001 1009) the Hoare annotation is: false [2020-10-20 01:44:44,117 INFO L270 CegarLoopResult]: At program point L1006-2(lines 1001 1009) the Hoare annotation is: false [2020-10-20 01:44:44,117 INFO L270 CegarLoopResult]: At program point L1006-3(lines 1001 1009) the Hoare annotation is: false [2020-10-20 01:44:44,117 INFO L270 CegarLoopResult]: At program point L1006-4(lines 1001 1009) the Hoare annotation is: false [2020-10-20 01:44:44,117 INFO L270 CegarLoopResult]: At program point L1006-5(lines 1001 1009) the Hoare annotation is: false [2020-10-20 01:44:44,117 INFO L270 CegarLoopResult]: At program point L349(lines 334 352) the Hoare annotation is: false [2020-10-20 01:44:44,117 INFO L270 CegarLoopResult]: At program point L349-1(lines 334 352) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) .cse0 .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-10-20 01:44:44,117 INFO L270 CegarLoopResult]: At program point L349-2(lines 334 352) the Hoare annotation is: false [2020-10-20 01:44:44,118 INFO L270 CegarLoopResult]: At program point L349-3(lines 334 352) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-10-20 01:44:44,118 INFO L270 CegarLoopResult]: At program point L349-4(lines 334 352) the Hoare annotation is: false [2020-10-20 01:44:44,118 INFO L270 CegarLoopResult]: At program point L349-5(lines 334 352) the Hoare annotation is: false [2020-10-20 01:44:44,118 INFO L270 CegarLoopResult]: At program point L349-6(lines 334 352) the Hoare annotation is: false [2020-10-20 01:44:44,118 INFO L270 CegarLoopResult]: At program point L349-7(lines 334 352) the Hoare annotation is: false [2020-10-20 01:44:44,118 INFO L270 CegarLoopResult]: At program point L349-8(lines 334 352) the Hoare annotation is: false [2020-10-20 01:44:44,118 INFO L270 CegarLoopResult]: At program point L349-9(lines 334 352) the Hoare annotation is: false [2020-10-20 01:44:44,118 INFO L270 CegarLoopResult]: At program point L349-10(lines 334 352) the Hoare annotation is: false [2020-10-20 01:44:44,118 INFO L270 CegarLoopResult]: At program point L349-11(lines 334 352) the Hoare annotation is: false [2020-10-20 01:44:44,119 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:44:44,119 INFO L274 CegarLoopResult]: For program point L86(lines 86 92) no Hoare annotation was computed. [2020-10-20 01:44:44,119 INFO L270 CegarLoopResult]: At program point L86-1(lines 86 92) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 ~systemActive~0) .cse0 (= ~pumpRunning~0 0) .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-10-20 01:44:44,119 INFO L270 CegarLoopResult]: At program point L285(lines 278 288) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:44,119 INFO L270 CegarLoopResult]: At program point L285-1(lines 278 288) the Hoare annotation is: false [2020-10-20 01:44:44,119 INFO L270 CegarLoopResult]: At program point L285-2(lines 278 288) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_processEnvironment_~tmp~3 0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:44,119 INFO L270 CegarLoopResult]: At program point L285-3(lines 278 288) the Hoare annotation is: false [2020-10-20 01:44:44,120 INFO L270 CegarLoopResult]: At program point L285-4(lines 278 288) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:44,120 INFO L270 CegarLoopResult]: At program point L285-5(lines 278 288) the Hoare annotation is: false [2020-10-20 01:44:44,120 INFO L270 CegarLoopResult]: At program point L285-6(lines 278 288) the Hoare annotation is: false [2020-10-20 01:44:44,120 INFO L270 CegarLoopResult]: At program point L285-7(lines 278 288) the Hoare annotation is: false [2020-10-20 01:44:44,120 INFO L270 CegarLoopResult]: At program point L285-8(lines 278 288) the Hoare annotation is: false [2020-10-20 01:44:44,120 INFO L270 CegarLoopResult]: At program point L285-9(lines 278 288) the Hoare annotation is: false [2020-10-20 01:44:44,120 INFO L270 CegarLoopResult]: At program point L285-10(lines 278 288) the Hoare annotation is: false [2020-10-20 01:44:44,120 INFO L270 CegarLoopResult]: At program point L285-11(lines 278 288) the Hoare annotation is: false [2020-10-20 01:44:44,120 INFO L270 CegarLoopResult]: At program point L285-12(lines 278 288) the Hoare annotation is: false [2020-10-20 01:44:44,120 INFO L270 CegarLoopResult]: At program point L285-13(lines 278 288) the Hoare annotation is: false [2020-10-20 01:44:44,121 INFO L270 CegarLoopResult]: At program point L285-14(lines 278 288) the Hoare annotation is: false [2020-10-20 01:44:44,121 INFO L274 CegarLoopResult]: For program point L224(lines 224 241) no Hoare annotation was computed. [2020-10-20 01:44:44,121 INFO L274 CegarLoopResult]: For program point L224-1(lines 224 241) no Hoare annotation was computed. [2020-10-20 01:44:44,121 INFO L274 CegarLoopResult]: For program point L224-2(lines 224 241) no Hoare annotation was computed. [2020-10-20 01:44:44,121 INFO L270 CegarLoopResult]: At program point L951(lines 946 954) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:44,121 INFO L270 CegarLoopResult]: At program point L951-1(lines 946 954) the Hoare annotation is: false [2020-10-20 01:44:44,121 INFO L270 CegarLoopResult]: At program point L951-2(lines 946 954) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_processEnvironment_~tmp~3 0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:44,121 INFO L270 CegarLoopResult]: At program point L951-3(lines 946 954) the Hoare annotation is: false [2020-10-20 01:44:44,122 INFO L270 CegarLoopResult]: At program point L951-4(lines 946 954) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-10-20 01:44:44,125 INFO L270 CegarLoopResult]: At program point L951-5(lines 946 954) the Hoare annotation is: false [2020-10-20 01:44:44,125 INFO L270 CegarLoopResult]: At program point L951-6(lines 946 954) the Hoare annotation is: false [2020-10-20 01:44:44,125 INFO L270 CegarLoopResult]: At program point L951-7(lines 946 954) the Hoare annotation is: false [2020-10-20 01:44:44,125 INFO L270 CegarLoopResult]: At program point L951-8(lines 946 954) the Hoare annotation is: false [2020-10-20 01:44:44,126 INFO L270 CegarLoopResult]: At program point L951-9(lines 946 954) the Hoare annotation is: false [2020-10-20 01:44:44,126 INFO L270 CegarLoopResult]: At program point L951-10(lines 946 954) the Hoare annotation is: false [2020-10-20 01:44:44,126 INFO L270 CegarLoopResult]: At program point L951-11(lines 946 954) the Hoare annotation is: false [2020-10-20 01:44:44,126 INFO L270 CegarLoopResult]: At program point L951-12(lines 946 954) the Hoare annotation is: false [2020-10-20 01:44:44,126 INFO L270 CegarLoopResult]: At program point L951-13(lines 946 954) the Hoare annotation is: false [2020-10-20 01:44:44,126 INFO L270 CegarLoopResult]: At program point L951-14(lines 946 954) the Hoare annotation is: false [2020-10-20 01:44:44,126 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:44:44,126 INFO L270 CegarLoopResult]: At program point L294(lines 289 297) the Hoare annotation is: false [2020-10-20 01:44:44,126 INFO L270 CegarLoopResult]: At program point L294-1(lines 289 297) the Hoare annotation is: false [2020-10-20 01:44:44,126 INFO L274 CegarLoopResult]: For program point L228(lines 228 236) no Hoare annotation was computed. [2020-10-20 01:44:44,127 INFO L270 CegarLoopResult]: At program point L294-2(lines 289 297) the Hoare annotation is: false [2020-10-20 01:44:44,127 INFO L274 CegarLoopResult]: For program point L228-1(lines 228 236) no Hoare annotation was computed. [2020-10-20 01:44:44,127 INFO L274 CegarLoopResult]: For program point L228-2(lines 228 236) no Hoare annotation was computed. [2020-10-20 01:44:44,127 INFO L274 CegarLoopResult]: For program point L96(lines 96 109) no Hoare annotation was computed. [2020-10-20 01:44:44,127 INFO L274 CegarLoopResult]: For program point L362(lines 362 366) no Hoare annotation was computed. [2020-10-20 01:44:44,127 INFO L274 CegarLoopResult]: For program point L362-2(lines 362 366) no Hoare annotation was computed. [2020-10-20 01:44:44,127 INFO L274 CegarLoopResult]: For program point L362-3(lines 362 366) no Hoare annotation was computed. [2020-10-20 01:44:44,127 INFO L274 CegarLoopResult]: For program point L362-5(lines 362 366) no Hoare annotation was computed. [2020-10-20 01:44:44,127 INFO L274 CegarLoopResult]: For program point L362-6(lines 362 366) no Hoare annotation was computed. [2020-10-20 01:44:44,127 INFO L274 CegarLoopResult]: For program point L362-8(lines 362 366) no Hoare annotation was computed. [2020-10-20 01:44:44,128 INFO L274 CegarLoopResult]: For program point L362-9(lines 362 366) no Hoare annotation was computed. [2020-10-20 01:44:44,128 INFO L274 CegarLoopResult]: For program point L362-11(lines 362 366) no Hoare annotation was computed. [2020-10-20 01:44:44,128 INFO L274 CegarLoopResult]: For program point L362-12(lines 362 366) no Hoare annotation was computed. [2020-10-20 01:44:44,128 INFO L274 CegarLoopResult]: For program point L362-14(lines 362 366) no Hoare annotation was computed. [2020-10-20 01:44:44,128 INFO L274 CegarLoopResult]: For program point L362-15(lines 362 366) no Hoare annotation was computed. [2020-10-20 01:44:44,128 INFO L274 CegarLoopResult]: For program point L362-17(lines 362 366) no Hoare annotation was computed. [2020-10-20 01:44:44,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:44:44 BoogieIcfgContainer [2020-10-20 01:44:44,160 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:44:44,160 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:44:44,160 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:44:44,160 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:44:44,161 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:30" (3/4) ... [2020-10-20 01:44:44,165 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:44:44,195 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:44:44,197 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:44:44,199 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:44:44,201 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:44:44,204 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:44:44,206 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:44,208 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:44,241 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((1 == systemActive && 1 <= tmp) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) [2020-10-20 01:44:44,242 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2020-10-20 01:44:44,244 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2020-10-20 01:44:44,247 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:44,249 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:44,251 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel [2020-10-20 01:44:44,252 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\result == 0) && 1 == systemActive) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((1 == systemActive && tmp == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:44,253 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && tmp == 0) && 1 == systemActive) && \result == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result [2020-10-20 01:44:44,253 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\result == 0) && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((1 == systemActive && tmp == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:44,384 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:44:44,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:44:44,386 INFO L168 Benchmark]: Toolchain (without parser) took 16560.24 ms. Allocated memory was 35.1 MB in the beginning and 165.7 MB in the end (delta: 130.5 MB). Free memory was 12.4 MB in the beginning and 110.5 MB in the end (delta: -98.1 MB). Peak memory consumption was 32.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:44,387 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 33.6 MB. Free memory was 19.2 MB in the beginning and 19.2 MB in the end (delta: 31.9 kB). Peak memory consumption was 31.9 kB. Max. memory is 14.3 GB. [2020-10-20 01:44:44,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.00 ms. Allocated memory was 35.1 MB in the beginning and 45.6 MB in the end (delta: 10.5 MB). Free memory was 11.5 MB in the beginning and 22.1 MB in the end (delta: -10.7 MB). Peak memory consumption was 11.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:44,388 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.50 ms. Allocated memory is still 45.6 MB. Free memory was 22.1 MB in the beginning and 16.0 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:44,388 INFO L168 Benchmark]: Boogie Preprocessor took 83.47 ms. Allocated memory is still 45.6 MB. Free memory was 16.0 MB in the beginning and 11.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:44,389 INFO L168 Benchmark]: RCFGBuilder took 1457.04 ms. Allocated memory was 45.6 MB in the beginning and 55.6 MB in the end (delta: 10.0 MB). Free memory was 11.5 MB in the beginning and 27.1 MB in the end (delta: -15.6 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:44,389 INFO L168 Benchmark]: TraceAbstraction took 13861.81 ms. Allocated memory was 55.6 MB in the beginning and 165.7 MB in the end (delta: 110.1 MB). Free memory was 26.7 MB in the beginning and 135.8 MB in the end (delta: -109.1 MB). Peak memory consumption was 129.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:44,390 INFO L168 Benchmark]: Witness Printer took 224.46 ms. Allocated memory is still 165.7 MB. Free memory was 135.8 MB in the beginning and 110.5 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:44,393 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 ms. Allocated memory is still 33.6 MB. Free memory was 19.2 MB in the beginning and 19.2 MB in the end (delta: 31.9 kB). Peak memory consumption was 31.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 822.00 ms. Allocated memory was 35.1 MB in the beginning and 45.6 MB in the end (delta: 10.5 MB). Free memory was 11.5 MB in the beginning and 22.1 MB in the end (delta: -10.7 MB). Peak memory consumption was 11.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 100.50 ms. Allocated memory is still 45.6 MB. Free memory was 22.1 MB in the beginning and 16.0 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 83.47 ms. Allocated memory is still 45.6 MB. Free memory was 16.0 MB in the beginning and 11.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1457.04 ms. Allocated memory was 45.6 MB in the beginning and 55.6 MB in the end (delta: 10.0 MB). Free memory was 11.5 MB in the beginning and 27.1 MB in the end (delta: -15.6 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 13861.81 ms. Allocated memory was 55.6 MB in the beginning and 165.7 MB in the end (delta: 110.1 MB). Free memory was 26.7 MB in the beginning and 135.8 MB in the end (delta: -109.1 MB). Peak memory consumption was 129.1 MB. Max. memory is 14.3 GB. * Witness Printer took 224.46 ms. Allocated memory is still 165.7 MB. Free memory was 135.8 MB in the beginning and 110.5 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 518]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0)) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: ((waterLevel == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: (((tmp == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 <= waterLevel) && splverifierCounter == 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: (((((!(\result == 0) && 1 == systemActive) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((1 == systemActive && tmp == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (1 == systemActive && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: ((((((((!(\result == 0) && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((1 == systemActive && tmp == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: ((waterLevel == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: (((waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((1 == systemActive && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && tmp == 0) && 1 == systemActive) && \result == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((waterLevel == systemActive && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && 1 <= tmp) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((1 == systemActive && 1 <= tmp) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.3s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1846 SDtfs, 2959 SDslu, 3144 SDs, 0 SdLazy, 486 SolverSat, 115 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 245 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=644occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 2144 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 91 LocationsWithAnnotation, 91 PreInvPairs, 297 NumberOfFragments, 593 HoareAnnotationTreeSize, 91 FomulaSimplifications, 1332600 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 91 FomulaSimplificationsInter, 360732 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 697 NumberOfCodeBlocks, 697 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 683 ConstructedInterpolants, 0 QuantifiedInterpolants, 65833 SizeOfPredicates, 8 NumberOfNonLiveVariables, 996 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 235/243 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...