./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product43.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_spec5_product43.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 512e5cf92a225db6dbd0c8975a0c1a4cbe1a4a48 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:45:05,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:45:05,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:45:05,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:45:05,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:45:05,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:45:05,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:45:05,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:45:05,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:45:05,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:45:05,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:45:05,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:45:05,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:45:05,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:45:05,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:45:05,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:45:05,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:45:05,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:45:05,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:45:05,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:45:05,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:45:05,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:45:05,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:45:05,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:45:05,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:45:05,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:45:05,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:45:05,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:45:05,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:45:05,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:45:05,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:45:05,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:45:05,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:45:05,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:45:05,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:45:05,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:45:05,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:45:05,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:45:05,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:45:05,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:45:05,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:45:05,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:45:05,672 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:45:05,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:45:05,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:45:05,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:45:05,674 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:45:05,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:45:05,675 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:45:05,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:45:05,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:45:05,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:45:05,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:45:05,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:45:05,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:45:05,676 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:45:05,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:45:05,677 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:45:05,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:45:05,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:45:05,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:45:05,677 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:45:05,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:45:05,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:45:05,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:45:05,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:45:05,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:45:05,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:45:05,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:45:05,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:45:05,679 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:45:05,679 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 -> 512e5cf92a225db6dbd0c8975a0c1a4cbe1a4a48 [2020-10-20 01:45:05,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:45:05,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:45:05,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:45:05,925 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:45:05,925 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:45:05,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2020-10-20 01:45:05,984 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b5d297dc/4387402693484e02914d760c4b2d7972/FLAG034ef8b76 [2020-10-20 01:45:06,581 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:45:06,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2020-10-20 01:45:06,612 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b5d297dc/4387402693484e02914d760c4b2d7972/FLAG034ef8b76 [2020-10-20 01:45:06,854 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b5d297dc/4387402693484e02914d760c4b2d7972 [2020-10-20 01:45:06,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:45:06,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:45:06,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:06,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:45:06,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:45:06,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:06" (1/1) ... [2020-10-20 01:45:06,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d5bb55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:06, skipping insertion in model container [2020-10-20 01:45:06,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:45:06" (1/1) ... [2020-10-20 01:45:06,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:45:06,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:45:07,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:07,321 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:45:07,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:45:07,529 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:45:07,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:07 WrapperNode [2020-10-20 01:45:07,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:45:07,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:07,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:45:07,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:45:07,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:07" (1/1) ... [2020-10-20 01:45:07,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:07" (1/1) ... [2020-10-20 01:45:07,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:45:07,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:45:07,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:45:07,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:45:07,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:07" (1/1) ... [2020-10-20 01:45:07,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:07" (1/1) ... [2020-10-20 01:45:07,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:07" (1/1) ... [2020-10-20 01:45:07,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:07" (1/1) ... [2020-10-20 01:45:07,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:07" (1/1) ... [2020-10-20 01:45:07,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:07" (1/1) ... [2020-10-20 01:45:07,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:07" (1/1) ... [2020-10-20 01:45:07,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:45:07,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:45:07,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:45:07,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:45:07,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:07" (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 01:45:07,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:45:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:45:07,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:45:07,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:45:08,714 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:45:08,715 INFO L298 CfgBuilder]: Removed 138 assume(true) statements. [2020-10-20 01:45:08,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:08 BoogieIcfgContainer [2020-10-20 01:45:08,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:45:08,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:45:08,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:45:08,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:45:08,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:45:06" (1/3) ... [2020-10-20 01:45:08,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e70a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:08, skipping insertion in model container [2020-10-20 01:45:08,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:45:07" (2/3) ... [2020-10-20 01:45:08,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e70a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:45:08, skipping insertion in model container [2020-10-20 01:45:08,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:08" (3/3) ... [2020-10-20 01:45:08,726 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2020-10-20 01:45:08,739 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:45:08,747 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:45:08,760 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:45:08,797 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:45:08,797 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:45:08,797 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:45:08,798 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:45:08,798 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:45:08,798 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:45:08,798 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:45:08,799 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:45:08,821 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2020-10-20 01:45:08,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:45:08,829 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:08,830 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:08,830 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:08,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:08,837 INFO L82 PathProgramCache]: Analyzing trace with hash -2026563040, now seen corresponding path program 1 times [2020-10-20 01:45:08,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:08,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102482117] [2020-10-20 01:45:08,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:09,122 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 01:45:09,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102482117] [2020-10-20 01:45:09,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:09,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:09,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354458510] [2020-10-20 01:45:09,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:45:09,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:09,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:45:09,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:45:09,147 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 2 states. [2020-10-20 01:45:09,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:09,180 INFO L93 Difference]: Finished difference Result 192 states and 283 transitions. [2020-10-20 01:45:09,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:45:09,182 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2020-10-20 01:45:09,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:09,195 INFO L225 Difference]: With dead ends: 192 [2020-10-20 01:45:09,195 INFO L226 Difference]: Without dead ends: 94 [2020-10-20 01:45:09,200 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 01:45:09,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-20 01:45:09,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-10-20 01:45:09,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-20 01:45:09,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2020-10-20 01:45:09,267 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 19 [2020-10-20 01:45:09,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:09,268 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2020-10-20 01:45:09,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:45:09,269 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2020-10-20 01:45:09,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-20 01:45:09,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:09,271 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] [2020-10-20 01:45:09,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:45:09,272 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:09,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:09,273 INFO L82 PathProgramCache]: Analyzing trace with hash 988306110, now seen corresponding path program 1 times [2020-10-20 01:45:09,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:09,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110208644] [2020-10-20 01:45:09,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:09,420 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 01:45:09,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110208644] [2020-10-20 01:45:09,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:09,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:45:09,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729183127] [2020-10-20 01:45:09,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:09,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:09,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:09,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:09,424 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand 3 states. [2020-10-20 01:45:09,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:09,440 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2020-10-20 01:45:09,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:09,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-20 01:45:09,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:09,443 INFO L225 Difference]: With dead ends: 94 [2020-10-20 01:45:09,444 INFO L226 Difference]: Without dead ends: 43 [2020-10-20 01:45:09,445 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 01:45:09,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-20 01:45:09,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-20 01:45:09,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-20 01:45:09,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2020-10-20 01:45:09,451 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 20 [2020-10-20 01:45:09,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:09,452 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2020-10-20 01:45:09,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:09,452 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2020-10-20 01:45:09,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:45:09,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:09,453 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] [2020-10-20 01:45:09,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:45:09,454 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:09,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:09,454 INFO L82 PathProgramCache]: Analyzing trace with hash -322803839, now seen corresponding path program 1 times [2020-10-20 01:45:09,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:09,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621989344] [2020-10-20 01:45:09,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:09,585 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 01:45:09,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621989344] [2020-10-20 01:45:09,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:09,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:09,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701390436] [2020-10-20 01:45:09,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:45:09,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:09,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:45:09,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:45:09,587 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 6 states. [2020-10-20 01:45:09,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:09,851 INFO L93 Difference]: Finished difference Result 141 states and 204 transitions. [2020-10-20 01:45:09,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:09,852 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-10-20 01:45:09,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:09,853 INFO L225 Difference]: With dead ends: 141 [2020-10-20 01:45:09,853 INFO L226 Difference]: Without dead ends: 105 [2020-10-20 01:45:09,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:45:09,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-10-20 01:45:09,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 65. [2020-10-20 01:45:09,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-20 01:45:09,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2020-10-20 01:45:09,866 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 26 [2020-10-20 01:45:09,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:09,867 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2020-10-20 01:45:09,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:45:09,867 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2020-10-20 01:45:09,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 01:45:09,868 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:09,869 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] [2020-10-20 01:45:09,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:45:09,869 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:09,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:09,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1431450619, now seen corresponding path program 1 times [2020-10-20 01:45:09,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:09,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033693749] [2020-10-20 01:45:09,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:09,961 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 01:45:09,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033693749] [2020-10-20 01:45:09,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:09,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:09,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207957613] [2020-10-20 01:45:09,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:09,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:09,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:09,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:09,966 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand 3 states. [2020-10-20 01:45:10,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:10,031 INFO L93 Difference]: Finished difference Result 147 states and 213 transitions. [2020-10-20 01:45:10,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:10,032 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-10-20 01:45:10,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:10,033 INFO L225 Difference]: With dead ends: 147 [2020-10-20 01:45:10,033 INFO L226 Difference]: Without dead ends: 89 [2020-10-20 01:45:10,034 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 01:45:10,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-20 01:45:10,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2020-10-20 01:45:10,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-20 01:45:10,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2020-10-20 01:45:10,046 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 27 [2020-10-20 01:45:10,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:10,047 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2020-10-20 01:45:10,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:10,047 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2020-10-20 01:45:10,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-20 01:45:10,049 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:10,049 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] [2020-10-20 01:45:10,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:45:10,050 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:10,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:10,050 INFO L82 PathProgramCache]: Analyzing trace with hash -591283254, now seen corresponding path program 1 times [2020-10-20 01:45:10,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:10,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353607380] [2020-10-20 01:45:10,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:10,126 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 01:45:10,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353607380] [2020-10-20 01:45:10,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:10,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:45:10,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615772377] [2020-10-20 01:45:10,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:10,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:10,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:10,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:10,129 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand 5 states. [2020-10-20 01:45:10,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:10,273 INFO L93 Difference]: Finished difference Result 288 states and 406 transitions. [2020-10-20 01:45:10,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:45:10,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-20 01:45:10,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:10,275 INFO L225 Difference]: With dead ends: 288 [2020-10-20 01:45:10,275 INFO L226 Difference]: Without dead ends: 208 [2020-10-20 01:45:10,277 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:45:10,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-10-20 01:45:10,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 85. [2020-10-20 01:45:10,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-10-20 01:45:10,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 116 transitions. [2020-10-20 01:45:10,291 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 116 transitions. Word has length 29 [2020-10-20 01:45:10,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:10,292 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 116 transitions. [2020-10-20 01:45:10,292 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:10,292 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2020-10-20 01:45:10,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:45:10,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:10,294 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, 1, 1, 1, 1, 1] [2020-10-20 01:45:10,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:45:10,294 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:10,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:10,295 INFO L82 PathProgramCache]: Analyzing trace with hash 644254591, now seen corresponding path program 1 times [2020-10-20 01:45:10,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:10,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478199265] [2020-10-20 01:45:10,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:10,357 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 01:45:10,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478199265] [2020-10-20 01:45:10,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:10,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:45:10,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483853717] [2020-10-20 01:45:10,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:45:10,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:10,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:45:10,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:10,360 INFO L87 Difference]: Start difference. First operand 85 states and 116 transitions. Second operand 5 states. [2020-10-20 01:45:10,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:10,428 INFO L93 Difference]: Finished difference Result 251 states and 344 transitions. [2020-10-20 01:45:10,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:45:10,429 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-20 01:45:10,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:10,431 INFO L225 Difference]: With dead ends: 251 [2020-10-20 01:45:10,431 INFO L226 Difference]: Without dead ends: 173 [2020-10-20 01:45:10,432 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 01:45:10,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-20 01:45:10,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 88. [2020-10-20 01:45:10,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-10-20 01:45:10,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2020-10-20 01:45:10,445 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 36 [2020-10-20 01:45:10,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:10,446 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2020-10-20 01:45:10,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:45:10,446 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2020-10-20 01:45:10,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:45:10,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:10,448 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, 1, 1, 1, 1, 1] [2020-10-20 01:45:10,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:45:10,448 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:10,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:10,449 INFO L82 PathProgramCache]: Analyzing trace with hash -366862659, now seen corresponding path program 1 times [2020-10-20 01:45:10,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:10,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164429561] [2020-10-20 01:45:10,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:10,508 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 01:45:10,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164429561] [2020-10-20 01:45:10,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:10,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:45:10,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957381411] [2020-10-20 01:45:10,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:45:10,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:10,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:45:10,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:45:10,511 INFO L87 Difference]: Start difference. First operand 88 states and 119 transitions. Second operand 4 states. [2020-10-20 01:45:10,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:10,541 INFO L93 Difference]: Finished difference Result 217 states and 295 transitions. [2020-10-20 01:45:10,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:45:10,542 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-10-20 01:45:10,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:10,543 INFO L225 Difference]: With dead ends: 217 [2020-10-20 01:45:10,543 INFO L226 Difference]: Without dead ends: 136 [2020-10-20 01:45:10,544 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:45:10,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-20 01:45:10,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 90. [2020-10-20 01:45:10,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-20 01:45:10,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 121 transitions. [2020-10-20 01:45:10,569 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 121 transitions. Word has length 36 [2020-10-20 01:45:10,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:10,569 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 121 transitions. [2020-10-20 01:45:10,569 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:45:10,570 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2020-10-20 01:45:10,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:45:10,571 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:10,571 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, 1, 1, 1, 1, 1] [2020-10-20 01:45:10,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:45:10,572 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:10,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:10,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1387931013, now seen corresponding path program 1 times [2020-10-20 01:45:10,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:10,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516111910] [2020-10-20 01:45:10,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:10,625 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 01:45:10,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516111910] [2020-10-20 01:45:10,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:10,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:45:10,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381808844] [2020-10-20 01:45:10,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:45:10,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:10,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:45:10,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:45:10,627 INFO L87 Difference]: Start difference. First operand 90 states and 121 transitions. Second operand 3 states. [2020-10-20 01:45:10,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:10,656 INFO L93 Difference]: Finished difference Result 222 states and 300 transitions. [2020-10-20 01:45:10,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:45:10,657 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-10-20 01:45:10,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:10,658 INFO L225 Difference]: With dead ends: 222 [2020-10-20 01:45:10,659 INFO L226 Difference]: Without dead ends: 139 [2020-10-20 01:45:10,659 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 01:45:10,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-20 01:45:10,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-10-20 01:45:10,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-10-20 01:45:10,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2020-10-20 01:45:10,675 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 36 [2020-10-20 01:45:10,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:10,675 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2020-10-20 01:45:10,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:45:10,676 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2020-10-20 01:45:10,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 01:45:10,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:10,677 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, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:10,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:45:10,678 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:10,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:10,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1432557499, now seen corresponding path program 1 times [2020-10-20 01:45:10,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:10,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087769984] [2020-10-20 01:45:10,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:10,807 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 01:45:10,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087769984] [2020-10-20 01:45:10,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:45:10,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:45:10,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781363489] [2020-10-20 01:45:10,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-20 01:45:10,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:10,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 01:45:10,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:45:10,809 INFO L87 Difference]: Start difference. First operand 139 states and 183 transitions. Second operand 7 states. [2020-10-20 01:45:11,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:11,234 INFO L93 Difference]: Finished difference Result 628 states and 858 transitions. [2020-10-20 01:45:11,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-20 01:45:11,234 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2020-10-20 01:45:11,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:11,237 INFO L225 Difference]: With dead ends: 628 [2020-10-20 01:45:11,238 INFO L226 Difference]: Without dead ends: 545 [2020-10-20 01:45:11,239 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-10-20 01:45:11,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2020-10-20 01:45:11,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 225. [2020-10-20 01:45:11,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-10-20 01:45:11,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 298 transitions. [2020-10-20 01:45:11,266 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 298 transitions. Word has length 37 [2020-10-20 01:45:11,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:11,266 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 298 transitions. [2020-10-20 01:45:11,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-20 01:45:11,267 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 298 transitions. [2020-10-20 01:45:11,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-20 01:45:11,268 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:45:11,268 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:45:11,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:45:11,268 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:45:11,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:45:11,269 INFO L82 PathProgramCache]: Analyzing trace with hash 548694946, now seen corresponding path program 1 times [2020-10-20 01:45:11,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:45:11,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743266875] [2020-10-20 01:45:11,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:45:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:11,344 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:11,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743266875] [2020-10-20 01:45:11,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524243185] [2020-10-20 01:45:11,346 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 01:45:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:45:11,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 01:45:11,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:45:11,609 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:45:11,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:45:11,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-10-20 01:45:11,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629149715] [2020-10-20 01:45:11,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 01:45:11,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:45:11,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 01:45:11,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:45:11,612 INFO L87 Difference]: Start difference. First operand 225 states and 298 transitions. Second operand 8 states. [2020-10-20 01:45:12,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:45:12,018 INFO L93 Difference]: Finished difference Result 459 states and 611 transitions. [2020-10-20 01:45:12,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:45:12,019 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-10-20 01:45:12,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:45:12,020 INFO L225 Difference]: With dead ends: 459 [2020-10-20 01:45:12,020 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:45:12,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-20 01:45:12,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:45:12,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:45:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:45:12,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:45:12,022 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-10-20 01:45:12,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:45:12,023 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:45:12,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 01:45:12,023 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:45:12,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:45:12,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-10-20 01:45:12,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:45:12,684 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2020-10-20 01:45:13,445 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 26 [2020-10-20 01:45:13,679 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 29 [2020-10-20 01:45:14,095 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 29 [2020-10-20 01:45:14,442 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 29 [2020-10-20 01:45:14,777 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 26 [2020-10-20 01:45:14,901 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 22 [2020-10-20 01:45:15,260 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 29 [2020-10-20 01:45:15,554 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 27 [2020-10-20 01:45:15,902 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 24 [2020-10-20 01:45:16,263 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2020-10-20 01:45:16,269 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:16,269 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:45:16,269 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:45:16,269 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:45:16,269 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:45:16,269 INFO L274 CegarLoopResult]: For program point L863(lines 863 869) no Hoare annotation was computed. [2020-10-20 01:45:16,269 INFO L274 CegarLoopResult]: For program point L863-1(lines 863 869) no Hoare annotation was computed. [2020-10-20 01:45:16,270 INFO L274 CegarLoopResult]: For program point L863-2(lines 863 869) no Hoare annotation was computed. [2020-10-20 01:45:16,270 INFO L274 CegarLoopResult]: For program point L500(lines 500 507) no Hoare annotation was computed. [2020-10-20 01:45:16,270 INFO L277 CegarLoopResult]: At program point L500-1(lines 500 507) the Hoare annotation is: true [2020-10-20 01:45:16,270 INFO L270 CegarLoopResult]: At program point L946(lines 1 966) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:16,270 INFO L274 CegarLoopResult]: For program point L963(line 963) no Hoare annotation was computed. [2020-10-20 01:45:16,271 INFO L274 CegarLoopResult]: For program point L963-1(line 963) no Hoare annotation was computed. [2020-10-20 01:45:16,271 INFO L274 CegarLoopResult]: For program point L963-2(line 963) no Hoare annotation was computed. [2020-10-20 01:45:16,272 INFO L274 CegarLoopResult]: For program point L798(lines 798 802) no Hoare annotation was computed. [2020-10-20 01:45:16,272 INFO L274 CegarLoopResult]: For program point L633(lines 633 650) no Hoare annotation was computed. [2020-10-20 01:45:16,272 INFO L274 CegarLoopResult]: For program point L633-1(lines 633 650) no Hoare annotation was computed. [2020-10-20 01:45:16,272 INFO L274 CegarLoopResult]: For program point L633-2(lines 633 650) no Hoare annotation was computed. [2020-10-20 01:45:16,272 INFO L270 CegarLoopResult]: At program point L881(lines 876 883) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-10-20 01:45:16,274 INFO L270 CegarLoopResult]: At program point L601(lines 597 619) the Hoare annotation is: (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse3 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse3 .cse0 .cse1 .cse2))) [2020-10-20 01:45:16,274 INFO L270 CegarLoopResult]: At program point L601-1(lines 597 619) the Hoare annotation is: false [2020-10-20 01:45:16,274 INFO L274 CegarLoopResult]: For program point L535(lines 535 541) no Hoare annotation was computed. [2020-10-20 01:45:16,274 INFO L270 CegarLoopResult]: At program point L601-2(lines 597 619) the Hoare annotation is: false [2020-10-20 01:45:16,274 INFO L270 CegarLoopResult]: At program point L535-1(lines 535 541) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4 .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse4 .cse2 .cse3))) [2020-10-20 01:45:16,274 INFO L270 CegarLoopResult]: At program point L420-2(lines 420 434) the Hoare annotation is: false [2020-10-20 01:45:16,275 INFO L274 CegarLoopResult]: For program point L767(lines 767 773) no Hoare annotation was computed. [2020-10-20 01:45:16,275 INFO L270 CegarLoopResult]: At program point L767-1(lines 767 773) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-10-20 01:45:16,275 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-20 01:45:16,275 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:45:16,275 INFO L270 CegarLoopResult]: At program point L471(lines 467 473) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2020-10-20 01:45:16,276 INFO L270 CegarLoopResult]: At program point L868(lines 859 872) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3))) [2020-10-20 01:45:16,276 INFO L270 CegarLoopResult]: At program point L868-1(lines 859 872) the Hoare annotation is: false [2020-10-20 01:45:16,276 INFO L270 CegarLoopResult]: At program point L868-2(lines 859 872) the Hoare annotation is: false [2020-10-20 01:45:16,276 INFO L274 CegarLoopResult]: For program point L670(lines 670 676) no Hoare annotation was computed. [2020-10-20 01:45:16,276 INFO L274 CegarLoopResult]: For program point L637(lines 637 645) no Hoare annotation was computed. [2020-10-20 01:45:16,276 INFO L274 CegarLoopResult]: For program point L637-1(lines 637 645) no Hoare annotation was computed. [2020-10-20 01:45:16,276 INFO L274 CegarLoopResult]: For program point L670-2(lines 670 676) no Hoare annotation was computed. [2020-10-20 01:45:16,276 INFO L274 CegarLoopResult]: For program point L637-2(lines 637 645) no Hoare annotation was computed. [2020-10-20 01:45:16,277 INFO L274 CegarLoopResult]: For program point L670-4(lines 670 676) no Hoare annotation was computed. [2020-10-20 01:45:16,277 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:16,277 INFO L274 CegarLoopResult]: For program point L786(lines 786 790) no Hoare annotation was computed. [2020-10-20 01:45:16,277 INFO L274 CegarLoopResult]: For program point L753(lines 753 757) no Hoare annotation was computed. [2020-10-20 01:45:16,278 INFO L274 CegarLoopResult]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2020-10-20 01:45:16,278 INFO L274 CegarLoopResult]: For program point L786-3(lines 786 790) no Hoare annotation was computed. [2020-10-20 01:45:16,278 INFO L274 CegarLoopResult]: For program point L753-3(lines 753 757) no Hoare annotation was computed. [2020-10-20 01:45:16,278 INFO L274 CegarLoopResult]: For program point L753-5(lines 753 757) no Hoare annotation was computed. [2020-10-20 01:45:16,278 INFO L274 CegarLoopResult]: For program point L786-6(lines 786 790) no Hoare annotation was computed. [2020-10-20 01:45:16,278 INFO L274 CegarLoopResult]: For program point L555(lines 555 568) no Hoare annotation was computed. [2020-10-20 01:45:16,278 INFO L274 CegarLoopResult]: For program point L753-6(lines 753 757) no Hoare annotation was computed. [2020-10-20 01:45:16,279 INFO L274 CegarLoopResult]: For program point L753-8(lines 753 757) no Hoare annotation was computed. [2020-10-20 01:45:16,280 INFO L274 CegarLoopResult]: For program point L902(lines 902 919) no Hoare annotation was computed. [2020-10-20 01:45:16,280 INFO L270 CegarLoopResult]: At program point L902-1(lines 1 966) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse4 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse4 .cse0 .cse1 .cse2) (and .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8) .cse1 .cse2))) [2020-10-20 01:45:16,281 INFO L274 CegarLoopResult]: For program point L902-2(lines 902 919) no Hoare annotation was computed. [2020-10-20 01:45:16,281 INFO L270 CegarLoopResult]: At program point L902-3(lines 1 966) the Hoare annotation is: false [2020-10-20 01:45:16,281 INFO L274 CegarLoopResult]: For program point L902-4(lines 902 919) no Hoare annotation was computed. [2020-10-20 01:45:16,281 INFO L270 CegarLoopResult]: At program point L902-5(lines 1 966) the Hoare annotation is: false [2020-10-20 01:45:16,281 INFO L270 CegarLoopResult]: At program point L704(lines 699 707) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 0 ~systemActive~0))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1) (and .cse2 .cse3 (<= 2 ~waterLevel~0) .cse0 .cse4 .cse1) (and (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse0 .cse4 .cse1))) [2020-10-20 01:45:16,282 INFO L270 CegarLoopResult]: At program point L704-1(lines 699 707) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1) (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1))) [2020-10-20 01:45:16,282 INFO L270 CegarLoopResult]: At program point L704-2(lines 699 707) the Hoare annotation is: false [2020-10-20 01:45:16,282 INFO L270 CegarLoopResult]: At program point L704-3(lines 699 707) the Hoare annotation is: false [2020-10-20 01:45:16,282 INFO L270 CegarLoopResult]: At program point L704-4(lines 699 707) the Hoare annotation is: false [2020-10-20 01:45:16,282 INFO L270 CegarLoopResult]: At program point L704-5(lines 699 707) the Hoare annotation is: false [2020-10-20 01:45:16,282 INFO L274 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-10-20 01:45:16,282 INFO L274 CegarLoopResult]: For program point L424-1(lines 424 428) no Hoare annotation was computed. [2020-10-20 01:45:16,282 INFO L270 CegarLoopResult]: At program point L573(lines 524 574) the Hoare annotation is: false [2020-10-20 01:45:16,283 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:45:16,283 INFO L270 CegarLoopResult]: At program point L954(lines 949 957) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-20 01:45:16,283 INFO L270 CegarLoopResult]: At program point L855(lines 850 858) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 .cse1 .cse2) (and .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse4 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse4 .cse0 .cse1 .cse2))) [2020-10-20 01:45:16,283 INFO L270 CegarLoopResult]: At program point L855-1(lines 850 858) the Hoare annotation is: false [2020-10-20 01:45:16,283 INFO L270 CegarLoopResult]: At program point L855-2(lines 850 858) the Hoare annotation is: false [2020-10-20 01:45:16,283 INFO L270 CegarLoopResult]: At program point L608(lines 608 614) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4 .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse4 .cse2 .cse3))) [2020-10-20 01:45:16,284 INFO L270 CegarLoopResult]: At program point L608-1(lines 608 614) the Hoare annotation is: false [2020-10-20 01:45:16,284 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 614) the Hoare annotation is: false [2020-10-20 01:45:16,284 INFO L277 CegarLoopResult]: At program point L509(lines 490 512) the Hoare annotation is: true [2020-10-20 01:45:16,284 INFO L270 CegarLoopResult]: At program point L823(lines 818 826) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-10-20 01:45:16,284 INFO L270 CegarLoopResult]: At program point L823-1(lines 818 826) the Hoare annotation is: false [2020-10-20 01:45:16,284 INFO L270 CegarLoopResult]: At program point L823-2(lines 818 826) the Hoare annotation is: false [2020-10-20 01:45:16,285 INFO L274 CegarLoopResult]: For program point L526(lines 525 572) no Hoare annotation was computed. [2020-10-20 01:45:16,285 INFO L274 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-10-20 01:45:16,285 INFO L274 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-10-20 01:45:16,285 INFO L274 CegarLoopResult]: For program point L906-4(lines 906 916) no Hoare annotation was computed. [2020-10-20 01:45:16,285 INFO L274 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2020-10-20 01:45:16,285 INFO L274 CegarLoopResult]: For program point L907(lines 907 913) no Hoare annotation was computed. [2020-10-20 01:45:16,285 INFO L274 CegarLoopResult]: For program point L907-2(lines 907 913) no Hoare annotation was computed. [2020-10-20 01:45:16,285 INFO L274 CegarLoopResult]: For program point L907-4(lines 907 913) no Hoare annotation was computed. [2020-10-20 01:45:16,285 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:45:16,286 INFO L270 CegarLoopResult]: At program point L891(lines 601 607) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1) (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1))) [2020-10-20 01:45:16,286 INFO L270 CegarLoopResult]: At program point L891-1(lines 601 607) the Hoare annotation is: false [2020-10-20 01:45:16,286 INFO L270 CegarLoopResult]: At program point L891-2(lines 601 607) the Hoare annotation is: false [2020-10-20 01:45:16,287 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:45:16,287 INFO L270 CegarLoopResult]: At program point L759(lines 744 762) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1 .cse2 .cse3))) [2020-10-20 01:45:16,287 INFO L270 CegarLoopResult]: At program point L759-1(lines 744 762) the Hoare annotation is: false [2020-10-20 01:45:16,287 INFO L270 CegarLoopResult]: At program point L759-2(lines 744 762) the Hoare annotation is: false [2020-10-20 01:45:16,288 INFO L274 CegarLoopResult]: For program point L561(lines 561 567) no Hoare annotation was computed. [2020-10-20 01:45:16,289 INFO L270 CegarLoopResult]: At program point L561-1(lines 561 567) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3))) [2020-10-20 01:45:16,289 INFO L274 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-10-20 01:45:16,289 INFO L270 CegarLoopResult]: At program point L545-1(lines 545 551) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4 .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse4 .cse2 .cse3))) [2020-10-20 01:45:16,289 INFO L274 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-10-20 01:45:16,289 INFO L270 CegarLoopResult]: At program point L695(lines 688 698) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2020-10-20 01:45:16,289 INFO L270 CegarLoopResult]: At program point L695-1(lines 688 698) the Hoare annotation is: false [2020-10-20 01:45:16,290 INFO L270 CegarLoopResult]: At program point L695-2(lines 688 698) the Hoare annotation is: false [2020-10-20 01:45:16,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:45:16 BoogieIcfgContainer [2020-10-20 01:45:16,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:45:16,340 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:45:16,340 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:45:16,342 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:45:16,342 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:45:08" (3/4) ... [2020-10-20 01:45:16,346 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:45:16,364 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:45:16,365 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:45:16,366 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:45:16,366 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:45:16,367 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:45:16,368 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:16,369 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:45:16,400 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0 [2020-10-20 01:45:16,400 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive [2020-10-20 01:45:16,400 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive [2020-10-20 01:45:16,401 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:16,401 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:16,401 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:16,402 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-10-20 01:45:16,403 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-10-20 01:45:16,403 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-10-20 01:45:16,403 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:16,403 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:16,404 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:16,405 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-10-20 01:45:16,405 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2020-10-20 01:45:16,406 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((tmp___0 == 0 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2020-10-20 01:45:16,476 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:45:16,476 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:45:16,478 INFO L168 Benchmark]: Toolchain (without parser) took 9620.00 ms. Allocated memory was 35.1 MB in the beginning and 109.6 MB in the end (delta: 74.4 MB). Free memory was 15.8 MB in the beginning and 53.3 MB in the end (delta: -37.4 MB). Peak memory consumption was 37.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,479 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 33.6 MB. Free memory was 11.0 MB in the beginning and 10.9 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.52 ms. Allocated memory was 35.1 MB in the beginning and 45.1 MB in the end (delta: 10.0 MB). Free memory was 15.0 MB in the beginning and 26.3 MB in the end (delta: -11.2 MB). Peak memory consumption was 14.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.00 ms. Allocated memory is still 45.1 MB. Free memory was 26.3 MB in the beginning and 22.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,481 INFO L168 Benchmark]: Boogie Preprocessor took 47.09 ms. Allocated memory is still 45.1 MB. Free memory was 22.8 MB in the beginning and 20.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,481 INFO L168 Benchmark]: RCFGBuilder took 1054.88 ms. Allocated memory was 45.1 MB in the beginning and 48.8 MB in the end (delta: 3.7 MB). Free memory was 20.0 MB in the beginning and 14.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,482 INFO L168 Benchmark]: TraceAbstraction took 7621.00 ms. Allocated memory was 48.8 MB in the beginning and 109.6 MB in the end (delta: 60.8 MB). Free memory was 13.9 MB in the beginning and 65.0 MB in the end (delta: -51.1 MB). Peak memory consumption was 60.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,482 INFO L168 Benchmark]: Witness Printer took 136.99 ms. Allocated memory is still 109.6 MB. Free memory was 65.0 MB in the beginning and 53.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:45:16,487 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 33.6 MB. Free memory was 11.0 MB in the beginning and 10.9 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 665.52 ms. Allocated memory was 35.1 MB in the beginning and 45.1 MB in the end (delta: 10.0 MB). Free memory was 15.0 MB in the beginning and 26.3 MB in the end (delta: -11.2 MB). Peak memory consumption was 14.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 84.00 ms. Allocated memory is still 45.1 MB. Free memory was 26.3 MB in the beginning and 22.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 47.09 ms. Allocated memory is still 45.1 MB. Free memory was 22.8 MB in the beginning and 20.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1054.88 ms. Allocated memory was 45.1 MB in the beginning and 48.8 MB in the end (delta: 3.7 MB). Free memory was 20.0 MB in the beginning and 14.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 7621.00 ms. Allocated memory was 48.8 MB in the beginning and 109.6 MB in the end (delta: 60.8 MB). Free memory was 13.9 MB in the beginning and 65.0 MB in the end (delta: -51.1 MB). Peak memory consumption was 60.9 MB. Max. memory is 14.3 GB. * Witness Printer took 136.99 ms. Allocated memory is still 109.6 MB. Free memory was 65.0 MB in the beginning and 53.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 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: 859]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: ((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((tmp___0 == 0 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: ((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 101 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 894 SDtfs, 1184 SDslu, 1542 SDs, 0 SdLazy, 222 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 616 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 158 NumberOfFragments, 759 HoareAnnotationTreeSize, 45 FomulaSimplifications, 21455 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 45 FomulaSimplificationsInter, 47608 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 27643 SizeOfPredicates, 4 NumberOfNonLiveVariables, 435 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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...