./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99a0574ff0f23dd43b458f22f446fd063a15f78d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 21:22:50,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:22:50,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:22:50,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:22:50,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:22:50,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:22:50,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:22:50,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:22:50,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:22:50,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:22:50,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:22:50,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:22:50,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:22:50,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:22:50,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:22:50,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:22:50,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:22:50,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:22:50,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:22:50,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:22:50,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:22:50,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:22:50,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:22:50,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:22:50,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:22:50,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:22:50,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:22:50,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:22:50,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:22:50,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:22:50,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:22:50,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:22:50,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:22:50,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:22:50,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:22:50,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:22:50,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:22:50,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:22:50,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:22:50,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:22:50,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:22:50,602 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:22:50,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:22:50,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:22:50,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:22:50,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:22:50,619 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:22:50,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:22:50,620 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:22:50,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:22:50,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:22:50,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:22:50,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:22:50,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:22:50,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:22:50,621 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:22:50,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:22:50,621 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:22:50,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:22:50,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:22:50,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:22:50,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:22:50,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:22:50,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:22:50,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:22:50,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:22:50,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:22:50,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:22:50,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:22:50,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:22:50,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99a0574ff0f23dd43b458f22f446fd063a15f78d [2019-11-19 21:22:50,938 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:22:50,951 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:22:50,955 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:22:50,957 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:22:50,957 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:22:50,958 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2019-11-19 21:22:51,045 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/507b913bf/4708f53f88c54892aa7ef245b42abe29/FLAGb6ddd773c [2019-11-19 21:22:51,574 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:22:51,574 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product58.cil.c [2019-11-19 21:22:51,588 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/507b913bf/4708f53f88c54892aa7ef245b42abe29/FLAGb6ddd773c [2019-11-19 21:22:51,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/507b913bf/4708f53f88c54892aa7ef245b42abe29 [2019-11-19 21:22:51,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:22:51,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:22:51,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:51,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:22:51,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:22:51,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:51" (1/1) ... [2019-11-19 21:22:51,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d720647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:51, skipping insertion in model container [2019-11-19 21:22:51,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:51" (1/1) ... [2019-11-19 21:22:51,893 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:22:51,964 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:22:52,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:52,448 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:22:52,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:52,598 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:22:52,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:52 WrapperNode [2019-11-19 21:22:52,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:52,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:52,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:22:52,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:22:52,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:52" (1/1) ... [2019-11-19 21:22:52,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:52" (1/1) ... [2019-11-19 21:22:52,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:52,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:22:52,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:22:52,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:22:52,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:52" (1/1) ... [2019-11-19 21:22:52,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:52" (1/1) ... [2019-11-19 21:22:52,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:52" (1/1) ... [2019-11-19 21:22:52,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:52" (1/1) ... [2019-11-19 21:22:52,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:52" (1/1) ... [2019-11-19 21:22:52,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:52" (1/1) ... [2019-11-19 21:22:52,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:52" (1/1) ... [2019-11-19 21:22:52,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:22:52,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:22:52,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:22:52,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:22:52,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:22:52,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:22:52,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 21:22:52,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:22:52,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:22:53,758 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:22:53,758 INFO L285 CfgBuilder]: Removed 194 assume(true) statements. [2019-11-19 21:22:53,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:53 BoogieIcfgContainer [2019-11-19 21:22:53,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:22:53,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:22:53,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:22:53,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:22:53,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:22:51" (1/3) ... [2019-11-19 21:22:53,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@239d9929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:53, skipping insertion in model container [2019-11-19 21:22:53,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:52" (2/3) ... [2019-11-19 21:22:53,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@239d9929 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:53, skipping insertion in model container [2019-11-19 21:22:53,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:53" (3/3) ... [2019-11-19 21:22:53,770 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2019-11-19 21:22:53,782 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:22:53,791 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 21:22:53,802 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 21:22:53,839 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:22:53,839 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:22:53,839 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:22:53,839 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:22:53,840 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:22:53,840 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:22:53,840 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:22:53,841 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:22:53,860 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2019-11-19 21:22:53,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 21:22:53,868 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:53,869 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:53,869 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:53,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:53,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1138467236, now seen corresponding path program 1 times [2019-11-19 21:22:53,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:53,884 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766474796] [2019-11-19 21:22:53,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:54,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:54,163 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766474796] [2019-11-19 21:22:54,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:54,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:54,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375412371] [2019-11-19 21:22:54,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:22:54,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:54,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:22:54,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:22:54,188 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2019-11-19 21:22:54,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:54,227 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2019-11-19 21:22:54,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:22:54,229 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-19 21:22:54,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:54,242 INFO L225 Difference]: With dead ends: 264 [2019-11-19 21:22:54,242 INFO L226 Difference]: Without dead ends: 131 [2019-11-19 21:22:54,247 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:22:54,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-11-19 21:22:54,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-11-19 21:22:54,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-11-19 21:22:54,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2019-11-19 21:22:54,299 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2019-11-19 21:22:54,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:54,299 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2019-11-19 21:22:54,300 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:22:54,300 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2019-11-19 21:22:54,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 21:22:54,301 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:54,301 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:54,302 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:54,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:54,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1722273200, now seen corresponding path program 1 times [2019-11-19 21:22:54,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:54,303 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523473460] [2019-11-19 21:22:54,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:54,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:54,447 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523473460] [2019-11-19 21:22:54,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:54,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:22:54,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836652515] [2019-11-19 21:22:54,450 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:54,451 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:54,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:54,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:54,452 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand 3 states. [2019-11-19 21:22:54,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:54,468 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2019-11-19 21:22:54,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:54,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-19 21:22:54,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:54,470 INFO L225 Difference]: With dead ends: 131 [2019-11-19 21:22:54,471 INFO L226 Difference]: Without dead ends: 53 [2019-11-19 21:22:54,472 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:54,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-19 21:22:54,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-19 21:22:54,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-19 21:22:54,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-11-19 21:22:54,481 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2019-11-19 21:22:54,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:54,481 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-11-19 21:22:54,482 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:54,482 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-11-19 21:22:54,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-19 21:22:54,483 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:54,483 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:54,484 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:54,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:54,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1529505855, now seen corresponding path program 1 times [2019-11-19 21:22:54,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:54,485 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691362963] [2019-11-19 21:22:54,485 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:54,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:54,569 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691362963] [2019-11-19 21:22:54,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:54,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:22:54,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508982242] [2019-11-19 21:22:54,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:54,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:54,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:54,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:54,574 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2019-11-19 21:22:54,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:54,622 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2019-11-19 21:22:54,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:54,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-19 21:22:54,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:54,624 INFO L225 Difference]: With dead ends: 100 [2019-11-19 21:22:54,624 INFO L226 Difference]: Without dead ends: 53 [2019-11-19 21:22:54,625 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:54,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-19 21:22:54,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-19 21:22:54,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-19 21:22:54,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2019-11-19 21:22:54,640 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2019-11-19 21:22:54,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:54,640 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2019-11-19 21:22:54,641 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:54,641 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2019-11-19 21:22:54,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 21:22:54,643 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:54,643 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:54,644 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:54,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:54,644 INFO L82 PathProgramCache]: Analyzing trace with hash 583703192, now seen corresponding path program 1 times [2019-11-19 21:22:54,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:54,645 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515494612] [2019-11-19 21:22:54,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:54,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:54,746 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515494612] [2019-11-19 21:22:54,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:54,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:54,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531739415] [2019-11-19 21:22:54,747 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:54,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:54,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:54,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:54,748 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand 3 states. [2019-11-19 21:22:54,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:54,796 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2019-11-19 21:22:54,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:54,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-19 21:22:54,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:54,801 INFO L225 Difference]: With dead ends: 121 [2019-11-19 21:22:54,801 INFO L226 Difference]: Without dead ends: 74 [2019-11-19 21:22:54,802 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:54,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2019-11-19 21:22:54,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2019-11-19 21:22:54,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-11-19 21:22:54,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2019-11-19 21:22:54,815 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2019-11-19 21:22:54,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:54,816 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2019-11-19 21:22:54,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:54,816 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2019-11-19 21:22:54,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-19 21:22:54,819 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:54,819 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:54,819 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:54,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:54,821 INFO L82 PathProgramCache]: Analyzing trace with hash -198690772, now seen corresponding path program 1 times [2019-11-19 21:22:54,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:54,822 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067189547] [2019-11-19 21:22:54,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:54,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:54,991 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067189547] [2019-11-19 21:22:54,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:54,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 21:22:54,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19269147] [2019-11-19 21:22:54,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 21:22:54,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:54,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 21:22:54,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-19 21:22:54,993 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand 7 states. [2019-11-19 21:22:55,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:55,323 INFO L93 Difference]: Finished difference Result 461 states and 669 transitions. [2019-11-19 21:22:55,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-19 21:22:55,324 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2019-11-19 21:22:55,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:55,334 INFO L225 Difference]: With dead ends: 461 [2019-11-19 21:22:55,335 INFO L226 Difference]: Without dead ends: 395 [2019-11-19 21:22:55,336 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2019-11-19 21:22:55,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-11-19 21:22:55,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 173. [2019-11-19 21:22:55,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-11-19 21:22:55,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 240 transitions. [2019-11-19 21:22:55,375 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 240 transitions. Word has length 30 [2019-11-19 21:22:55,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:55,375 INFO L462 AbstractCegarLoop]: Abstraction has 173 states and 240 transitions. [2019-11-19 21:22:55,375 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 21:22:55,376 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 240 transitions. [2019-11-19 21:22:55,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 21:22:55,378 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:55,379 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:55,379 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:55,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:55,380 INFO L82 PathProgramCache]: Analyzing trace with hash 731988412, now seen corresponding path program 1 times [2019-11-19 21:22:55,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:55,380 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647371723] [2019-11-19 21:22:55,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:55,484 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-19 21:22:55,485 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647371723] [2019-11-19 21:22:55,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:55,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:55,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178686167] [2019-11-19 21:22:55,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:55,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:55,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:55,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:55,488 INFO L87 Difference]: Start difference. First operand 173 states and 240 transitions. Second operand 5 states. [2019-11-19 21:22:55,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:55,619 INFO L93 Difference]: Finished difference Result 423 states and 597 transitions. [2019-11-19 21:22:55,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 21:22:55,620 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2019-11-19 21:22:55,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:55,623 INFO L225 Difference]: With dead ends: 423 [2019-11-19 21:22:55,623 INFO L226 Difference]: Without dead ends: 421 [2019-11-19 21:22:55,624 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 21:22:55,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-11-19 21:22:55,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 173. [2019-11-19 21:22:55,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-11-19 21:22:55,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 239 transitions. [2019-11-19 21:22:55,656 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 239 transitions. Word has length 53 [2019-11-19 21:22:55,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:55,657 INFO L462 AbstractCegarLoop]: Abstraction has 173 states and 239 transitions. [2019-11-19 21:22:55,657 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:55,657 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 239 transitions. [2019-11-19 21:22:55,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-19 21:22:55,665 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:55,666 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:55,668 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:55,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:55,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1233125419, now seen corresponding path program 1 times [2019-11-19 21:22:55,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:55,669 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362005132] [2019-11-19 21:22:55,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:55,733 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-19 21:22:55,734 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362005132] [2019-11-19 21:22:55,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:55,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:22:55,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011223189] [2019-11-19 21:22:55,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:55,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:55,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:55,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:55,740 INFO L87 Difference]: Start difference. First operand 173 states and 239 transitions. Second operand 5 states. [2019-11-19 21:22:55,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:55,817 INFO L93 Difference]: Finished difference Result 462 states and 633 transitions. [2019-11-19 21:22:55,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 21:22:55,817 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-11-19 21:22:55,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:55,819 INFO L225 Difference]: With dead ends: 462 [2019-11-19 21:22:55,820 INFO L226 Difference]: Without dead ends: 295 [2019-11-19 21:22:55,821 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-19 21:22:55,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2019-11-19 21:22:55,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 188. [2019-11-19 21:22:55,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-11-19 21:22:55,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 254 transitions. [2019-11-19 21:22:55,840 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 254 transitions. Word has length 54 [2019-11-19 21:22:55,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:55,840 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 254 transitions. [2019-11-19 21:22:55,840 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:55,841 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 254 transitions. [2019-11-19 21:22:55,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-19 21:22:55,842 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:55,842 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:55,843 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:55,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:55,843 INFO L82 PathProgramCache]: Analyzing trace with hash 817858579, now seen corresponding path program 1 times [2019-11-19 21:22:55,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:55,844 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123771444] [2019-11-19 21:22:55,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:55,914 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-19 21:22:55,914 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123771444] [2019-11-19 21:22:55,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:55,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:55,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122553646] [2019-11-19 21:22:55,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 21:22:55,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:55,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 21:22:55,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 21:22:55,918 INFO L87 Difference]: Start difference. First operand 188 states and 254 transitions. Second operand 4 states. [2019-11-19 21:22:55,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:55,981 INFO L93 Difference]: Finished difference Result 398 states and 537 transitions. [2019-11-19 21:22:55,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 21:22:55,982 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2019-11-19 21:22:55,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:55,984 INFO L225 Difference]: With dead ends: 398 [2019-11-19 21:22:55,985 INFO L226 Difference]: Without dead ends: 216 [2019-11-19 21:22:55,986 INFO L630 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 [2019-11-19 21:22:55,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-11-19 21:22:56,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 158. [2019-11-19 21:22:56,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-11-19 21:22:56,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 209 transitions. [2019-11-19 21:22:56,007 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 209 transitions. Word has length 54 [2019-11-19 21:22:56,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:56,007 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 209 transitions. [2019-11-19 21:22:56,008 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 21:22:56,008 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 209 transitions. [2019-11-19 21:22:56,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-19 21:22:56,009 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:56,009 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:56,010 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:56,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:56,010 INFO L82 PathProgramCache]: Analyzing trace with hash 473466575, now seen corresponding path program 1 times [2019-11-19 21:22:56,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:56,011 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114865181] [2019-11-19 21:22:56,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:56,149 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:56,149 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114865181] [2019-11-19 21:22:56,150 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812827810] [2019-11-19 21:22:56,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:22:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:56,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 21:22:56,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:22:56,337 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:56,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 21:22:56,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2019-11-19 21:22:56,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701050073] [2019-11-19 21:22:56,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-19 21:22:56,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:56,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-19 21:22:56,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-19 21:22:56,339 INFO L87 Difference]: Start difference. First operand 158 states and 209 transitions. Second operand 8 states. [2019-11-19 21:22:56,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:56,601 INFO L93 Difference]: Finished difference Result 575 states and 779 transitions. [2019-11-19 21:22:56,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-19 21:22:56,601 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2019-11-19 21:22:56,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:56,604 INFO L225 Difference]: With dead ends: 575 [2019-11-19 21:22:56,604 INFO L226 Difference]: Without dead ends: 447 [2019-11-19 21:22:56,606 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2019-11-19 21:22:56,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-11-19 21:22:56,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 201. [2019-11-19 21:22:56,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2019-11-19 21:22:56,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 264 transitions. [2019-11-19 21:22:56,633 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 264 transitions. Word has length 55 [2019-11-19 21:22:56,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:56,633 INFO L462 AbstractCegarLoop]: Abstraction has 201 states and 264 transitions. [2019-11-19 21:22:56,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-19 21:22:56,633 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 264 transitions. [2019-11-19 21:22:56,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-19 21:22:56,635 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:56,635 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-19 21:22:56,842 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:22:56,843 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:56,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:56,844 INFO L82 PathProgramCache]: Analyzing trace with hash -2086945688, now seen corresponding path program 2 times [2019-11-19 21:22:56,844 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:56,845 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583462870] [2019-11-19 21:22:56,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:57,041 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 21:22:57,042 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583462870] [2019-11-19 21:22:57,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:57,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:22:57,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424046225] [2019-11-19 21:22:57,045 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:57,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:57,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:57,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:57,046 INFO L87 Difference]: Start difference. First operand 201 states and 264 transitions. Second operand 5 states. [2019-11-19 21:22:57,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:57,228 INFO L93 Difference]: Finished difference Result 590 states and 787 transitions. [2019-11-19 21:22:57,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 21:22:57,229 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-11-19 21:22:57,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:57,233 INFO L225 Difference]: With dead ends: 590 [2019-11-19 21:22:57,234 INFO L226 Difference]: Without dead ends: 418 [2019-11-19 21:22:57,234 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:22:57,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2019-11-19 21:22:57,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 277. [2019-11-19 21:22:57,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2019-11-19 21:22:57,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 361 transitions. [2019-11-19 21:22:57,266 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 361 transitions. Word has length 76 [2019-11-19 21:22:57,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:57,267 INFO L462 AbstractCegarLoop]: Abstraction has 277 states and 361 transitions. [2019-11-19 21:22:57,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:57,267 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 361 transitions. [2019-11-19 21:22:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-19 21:22:57,268 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:57,268 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-19 21:22:57,269 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:57,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:57,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1812186074, now seen corresponding path program 1 times [2019-11-19 21:22:57,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:57,270 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140402902] [2019-11-19 21:22:57,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:57,347 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-19 21:22:57,347 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140402902] [2019-11-19 21:22:57,347 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052972644] [2019-11-19 21:22:57,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:22:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:57,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 21:22:57,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:22:57,521 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 21:22:57,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 21:22:57,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-11-19 21:22:57,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665150671] [2019-11-19 21:22:57,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:57,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:57,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:57,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-19 21:22:57,523 INFO L87 Difference]: Start difference. First operand 277 states and 361 transitions. Second operand 5 states. [2019-11-19 21:22:57,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:57,584 INFO L93 Difference]: Finished difference Result 492 states and 640 transitions. [2019-11-19 21:22:57,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 21:22:57,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-11-19 21:22:57,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:57,585 INFO L225 Difference]: With dead ends: 492 [2019-11-19 21:22:57,585 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:22:57,586 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-19 21:22:57,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:22:57,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:22:57,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:22:57,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:22:57,587 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2019-11-19 21:22:57,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:57,587 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:22:57,587 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:57,587 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:22:57,588 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:22:57,792 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:22:57,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:22:58,022 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 100 [2019-11-19 21:22:58,300 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 100 [2019-11-19 21:22:58,465 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 89 [2019-11-19 21:22:58,787 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 100 [2019-11-19 21:22:59,098 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 99 [2019-11-19 21:22:59,244 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 81 [2019-11-19 21:22:59,381 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 17 [2019-11-19 21:22:59,792 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 17 [2019-11-19 21:23:00,043 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 23 [2019-11-19 21:23:00,428 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 17 [2019-11-19 21:23:00,758 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 20 [2019-11-19 21:23:01,102 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 17 [2019-11-19 21:23:01,403 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 17 [2019-11-19 21:23:01,676 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 17 [2019-11-19 21:23:01,972 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 10 [2019-11-19 21:23:01,978 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-11-19 21:23:01,978 INFO L444 ceAbstractionStarter]: For program point L928(lines 927 974) no Hoare annotation was computed. [2019-11-19 21:23:01,978 INFO L444 ceAbstractionStarter]: For program point L796(lines 796 802) no Hoare annotation was computed. [2019-11-19 21:23:01,979 INFO L444 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2019-11-19 21:23:01,979 INFO L444 ceAbstractionStarter]: For program point L796-2(lines 796 802) no Hoare annotation was computed. [2019-11-19 21:23:01,979 INFO L444 ceAbstractionStarter]: For program point L763-1(lines 763 771) no Hoare annotation was computed. [2019-11-19 21:23:01,979 INFO L444 ceAbstractionStarter]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2019-11-19 21:23:01,979 INFO L444 ceAbstractionStarter]: For program point L796-4(lines 796 802) no Hoare annotation was computed. [2019-11-19 21:23:01,980 INFO L444 ceAbstractionStarter]: For program point L796-6(lines 796 802) no Hoare annotation was computed. [2019-11-19 21:23:01,980 INFO L444 ceAbstractionStarter]: For program point L796-8(lines 796 802) no Hoare annotation was computed. [2019-11-19 21:23:01,980 INFO L444 ceAbstractionStarter]: For program point L796-10(lines 796 802) no Hoare annotation was computed. [2019-11-19 21:23:01,980 INFO L444 ceAbstractionStarter]: For program point L929(lines 929 933) no Hoare annotation was computed. [2019-11-19 21:23:01,980 INFO L440 ceAbstractionStarter]: At program point L830(lines 825 833) the Hoare annotation is: false [2019-11-19 21:23:01,980 INFO L440 ceAbstractionStarter]: At program point L830-1(lines 825 833) the Hoare annotation is: false [2019-11-19 21:23:01,981 INFO L440 ceAbstractionStarter]: At program point L830-2(lines 825 833) the Hoare annotation is: false [2019-11-19 21:23:01,981 INFO L440 ceAbstractionStarter]: At program point L566-2(lines 566 580) the Hoare annotation is: false [2019-11-19 21:23:01,981 INFO L444 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2019-11-19 21:23:01,981 INFO L444 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2019-11-19 21:23:01,981 INFO L444 ceAbstractionStarter]: For program point L534-1(lines 534 540) no Hoare annotation was computed. [2019-11-19 21:23:01,981 INFO L444 ceAbstractionStarter]: For program point L534-2(lines 534 540) no Hoare annotation was computed. [2019-11-19 21:23:01,981 INFO L444 ceAbstractionStarter]: For program point L534-3(lines 534 540) no Hoare annotation was computed. [2019-11-19 21:23:01,981 INFO L444 ceAbstractionStarter]: For program point L534-4(lines 534 540) no Hoare annotation was computed. [2019-11-19 21:23:01,981 INFO L444 ceAbstractionStarter]: For program point L534-5(lines 534 540) no Hoare annotation was computed. [2019-11-19 21:23:01,982 INFO L444 ceAbstractionStarter]: For program point L898(lines 898 902) no Hoare annotation was computed. [2019-11-19 21:23:01,982 INFO L444 ceAbstractionStarter]: For program point L898-2(lines 898 902) no Hoare annotation was computed. [2019-11-19 21:23:01,982 INFO L444 ceAbstractionStarter]: For program point L898-3(lines 898 902) no Hoare annotation was computed. [2019-11-19 21:23:01,982 INFO L444 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2019-11-19 21:23:01,982 INFO L444 ceAbstractionStarter]: For program point L898-5(lines 898 902) no Hoare annotation was computed. [2019-11-19 21:23:01,982 INFO L444 ceAbstractionStarter]: For program point L733-1(lines 733 750) no Hoare annotation was computed. [2019-11-19 21:23:01,982 INFO L444 ceAbstractionStarter]: For program point L898-6(lines 898 902) no Hoare annotation was computed. [2019-11-19 21:23:01,982 INFO L444 ceAbstractionStarter]: For program point L733-2(lines 733 750) no Hoare annotation was computed. [2019-11-19 21:23:01,983 INFO L444 ceAbstractionStarter]: For program point L733-3(lines 733 750) no Hoare annotation was computed. [2019-11-19 21:23:01,983 INFO L444 ceAbstractionStarter]: For program point L898-8(lines 898 902) no Hoare annotation was computed. [2019-11-19 21:23:01,983 INFO L444 ceAbstractionStarter]: For program point L733-4(lines 733 750) no Hoare annotation was computed. [2019-11-19 21:23:01,983 INFO L444 ceAbstractionStarter]: For program point L733-5(lines 733 750) no Hoare annotation was computed. [2019-11-19 21:23:01,983 INFO L444 ceAbstractionStarter]: For program point L469(lines 469 473) no Hoare annotation was computed. [2019-11-19 21:23:01,983 INFO L444 ceAbstractionStarter]: For program point L965(lines 965 969) no Hoare annotation was computed. [2019-11-19 21:23:01,983 INFO L440 ceAbstractionStarter]: At program point L965-2(lines 701 707) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) (and (= 1 ~systemActive~0) .cse0)) (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse0))) [2019-11-19 21:23:01,984 INFO L440 ceAbstractionStarter]: At program point L701(lines 700 719) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:23:01,984 INFO L444 ceAbstractionStarter]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2019-11-19 21:23:01,984 INFO L440 ceAbstractionStarter]: At program point L701-2(lines 700 719) the Hoare annotation is: false [2019-11-19 21:23:01,984 INFO L440 ceAbstractionStarter]: At program point L701-3(lines 700 719) the Hoare annotation is: false [2019-11-19 21:23:01,984 INFO L444 ceAbstractionStarter]: For program point L570(lines 570 574) no Hoare annotation was computed. [2019-11-19 21:23:01,984 INFO L444 ceAbstractionStarter]: For program point L570-1(lines 701 707) no Hoare annotation was computed. [2019-11-19 21:23:01,984 INFO L444 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-19 21:23:01,985 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-11-19 21:23:01,985 INFO L444 ceAbstractionStarter]: For program point L439-1(line 439) no Hoare annotation was computed. [2019-11-19 21:23:01,985 INFO L444 ceAbstractionStarter]: For program point L439-2(line 439) no Hoare annotation was computed. [2019-11-19 21:23:01,985 INFO L444 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2019-11-19 21:23:01,985 INFO L444 ceAbstractionStarter]: For program point L737-1(lines 737 745) no Hoare annotation was computed. [2019-11-19 21:23:01,985 INFO L444 ceAbstractionStarter]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2019-11-19 21:23:01,985 INFO L444 ceAbstractionStarter]: For program point L737-3(lines 737 745) no Hoare annotation was computed. [2019-11-19 21:23:01,985 INFO L444 ceAbstractionStarter]: For program point L737-4(lines 737 745) no Hoare annotation was computed. [2019-11-19 21:23:01,985 INFO L444 ceAbstractionStarter]: For program point L737-5(lines 737 745) no Hoare annotation was computed. [2019-11-19 21:23:01,986 INFO L440 ceAbstractionStarter]: At program point L539(lines 530 543) the Hoare annotation is: false [2019-11-19 21:23:01,986 INFO L440 ceAbstractionStarter]: At program point L539-1(lines 530 543) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 (<= 1 ~waterLevel~0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2019-11-19 21:23:01,986 INFO L440 ceAbstractionStarter]: At program point L539-2(lines 530 543) the Hoare annotation is: false [2019-11-19 21:23:01,986 INFO L440 ceAbstractionStarter]: At program point L539-3(lines 530 543) the Hoare annotation is: false [2019-11-19 21:23:01,986 INFO L440 ceAbstractionStarter]: At program point L539-4(lines 530 543) the Hoare annotation is: false [2019-11-19 21:23:01,986 INFO L440 ceAbstractionStarter]: At program point L539-5(lines 530 543) the Hoare annotation is: false [2019-11-19 21:23:01,986 INFO L444 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2019-11-19 21:23:01,987 INFO L440 ceAbstractionStarter]: At program point L937-1(lines 937 943) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) (and (= 1 ~systemActive~0) .cse0)) (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse0))) [2019-11-19 21:23:01,987 INFO L440 ceAbstractionStarter]: At program point L904(lines 889 907) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~9) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:23:01,987 INFO L440 ceAbstractionStarter]: At program point L904-1(lines 889 907) the Hoare annotation is: false [2019-11-19 21:23:01,987 INFO L440 ceAbstractionStarter]: At program point L904-2(lines 889 907) the Hoare annotation is: false [2019-11-19 21:23:01,987 INFO L440 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1) (<= 2 ~waterLevel~0)) (and (and .cse0 (= ~pumpRunning~0 0) .cse1) (<= 1 ~waterLevel~0)))) [2019-11-19 21:23:01,987 INFO L440 ceAbstractionStarter]: At program point L708-1(lines 708 714) the Hoare annotation is: false [2019-11-19 21:23:01,987 INFO L444 ceAbstractionStarter]: For program point L642(lines 642 649) no Hoare annotation was computed. [2019-11-19 21:23:01,987 INFO L440 ceAbstractionStarter]: At program point L708-2(lines 708 714) the Hoare annotation is: false [2019-11-19 21:23:01,988 INFO L447 ceAbstractionStarter]: At program point L642-1(lines 642 649) the Hoare annotation is: true [2019-11-19 21:23:01,988 INFO L440 ceAbstractionStarter]: At program point L975(lines 926 976) the Hoare annotation is: false [2019-11-19 21:23:01,988 INFO L440 ceAbstractionStarter]: At program point L678(lines 1 982) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 21:23:01,988 INFO L444 ceAbstractionStarter]: For program point L481(lines 481 485) no Hoare annotation was computed. [2019-11-19 21:23:01,988 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:23:01,988 INFO L444 ceAbstractionStarter]: For program point L879(lines 879 883) no Hoare annotation was computed. [2019-11-19 21:23:01,988 INFO L444 ceAbstractionStarter]: For program point L879-2(lines 879 883) no Hoare annotation was computed. [2019-11-19 21:23:01,988 INFO L444 ceAbstractionStarter]: For program point L879-3(lines 879 883) no Hoare annotation was computed. [2019-11-19 21:23:01,989 INFO L444 ceAbstractionStarter]: For program point L879-5(lines 879 883) no Hoare annotation was computed. [2019-11-19 21:23:01,989 INFO L444 ceAbstractionStarter]: For program point L879-6(lines 879 883) no Hoare annotation was computed. [2019-11-19 21:23:01,989 INFO L440 ceAbstractionStarter]: At program point L615(lines 611 617) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 21:23:01,989 INFO L444 ceAbstractionStarter]: For program point L879-8(lines 879 883) no Hoare annotation was computed. [2019-11-19 21:23:01,989 INFO L444 ceAbstractionStarter]: For program point L879-9(lines 879 883) no Hoare annotation was computed. [2019-11-19 21:23:01,989 INFO L440 ceAbstractionStarter]: At program point L549(lines 544 552) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:23:01,989 INFO L440 ceAbstractionStarter]: At program point L549-1(lines 544 552) the Hoare annotation is: false [2019-11-19 21:23:01,989 INFO L444 ceAbstractionStarter]: For program point L879-11(lines 879 883) no Hoare annotation was computed. [2019-11-19 21:23:01,990 INFO L440 ceAbstractionStarter]: At program point L549-2(lines 544 552) the Hoare annotation is: false [2019-11-19 21:23:01,990 INFO L444 ceAbstractionStarter]: For program point L879-12(lines 879 883) no Hoare annotation was computed. [2019-11-19 21:23:01,990 INFO L444 ceAbstractionStarter]: For program point L417(lines 417 430) no Hoare annotation was computed. [2019-11-19 21:23:01,990 INFO L444 ceAbstractionStarter]: For program point L879-14(lines 879 883) no Hoare annotation was computed. [2019-11-19 21:23:01,990 INFO L440 ceAbstractionStarter]: At program point L417-1(lines 1 982) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse0) (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3) .cse0))) [2019-11-19 21:23:01,990 INFO L444 ceAbstractionStarter]: For program point L879-15(lines 879 883) no Hoare annotation was computed. [2019-11-19 21:23:01,990 INFO L444 ceAbstractionStarter]: For program point L417-2(lines 417 430) no Hoare annotation was computed. [2019-11-19 21:23:01,990 INFO L440 ceAbstractionStarter]: At program point L417-3(lines 1 982) the Hoare annotation is: false [2019-11-19 21:23:01,990 INFO L444 ceAbstractionStarter]: For program point L879-17(lines 879 883) no Hoare annotation was computed. [2019-11-19 21:23:01,991 INFO L444 ceAbstractionStarter]: For program point L417-4(lines 417 430) no Hoare annotation was computed. [2019-11-19 21:23:01,991 INFO L440 ceAbstractionStarter]: At program point L417-5(lines 1 982) the Hoare annotation is: false [2019-11-19 21:23:01,991 INFO L444 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2019-11-19 21:23:01,991 INFO L440 ceAbstractionStarter]: At program point L947-1(lines 947 953) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) (and (= 1 ~systemActive~0) .cse0)) (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse0))) [2019-11-19 21:23:01,991 INFO L447 ceAbstractionStarter]: At program point L651(lines 632 654) the Hoare annotation is: true [2019-11-19 21:23:01,992 INFO L444 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2019-11-19 21:23:01,992 INFO L444 ceAbstractionStarter]: For program point L421-2(lines 421 427) no Hoare annotation was computed. [2019-11-19 21:23:01,992 INFO L444 ceAbstractionStarter]: For program point L421-4(lines 421 427) no Hoare annotation was computed. [2019-11-19 21:23:01,992 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:23:01,992 INFO L440 ceAbstractionStarter]: At program point L686(lines 681 689) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 21:23:01,992 INFO L440 ceAbstractionStarter]: At program point L885(lines 870 888) the Hoare annotation is: false [2019-11-19 21:23:01,992 INFO L440 ceAbstractionStarter]: At program point L885-1(lines 870 888) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) (<= 1 ~waterLevel~0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2019-11-19 21:23:01,993 INFO L440 ceAbstractionStarter]: At program point L885-2(lines 870 888) the Hoare annotation is: false [2019-11-19 21:23:01,993 INFO L440 ceAbstractionStarter]: At program point L885-3(lines 870 888) the Hoare annotation is: false [2019-11-19 21:23:01,993 INFO L440 ceAbstractionStarter]: At program point L885-4(lines 870 888) the Hoare annotation is: false [2019-11-19 21:23:01,993 INFO L440 ceAbstractionStarter]: At program point L885-5(lines 870 888) the Hoare annotation is: false [2019-11-19 21:23:01,993 INFO L444 ceAbstractionStarter]: For program point L457(lines 457 461) no Hoare annotation was computed. [2019-11-19 21:23:01,993 INFO L444 ceAbstractionStarter]: For program point L457-3(lines 457 461) no Hoare annotation was computed. [2019-11-19 21:23:01,993 INFO L444 ceAbstractionStarter]: For program point L457-6(lines 457 461) no Hoare annotation was computed. [2019-11-19 21:23:01,993 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:23:01,994 INFO L440 ceAbstractionStarter]: At program point L821(lines 814 824) the Hoare annotation is: false [2019-11-19 21:23:01,994 INFO L440 ceAbstractionStarter]: At program point L821-1(lines 814 824) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:23:01,994 INFO L440 ceAbstractionStarter]: At program point L821-2(lines 814 824) the Hoare annotation is: false [2019-11-19 21:23:01,994 INFO L440 ceAbstractionStarter]: At program point L821-3(lines 814 824) the Hoare annotation is: false [2019-11-19 21:23:01,994 INFO L440 ceAbstractionStarter]: At program point L821-4(lines 814 824) the Hoare annotation is: false [2019-11-19 21:23:01,994 INFO L440 ceAbstractionStarter]: At program point L821-5(lines 814 824) the Hoare annotation is: false [2019-11-19 21:23:01,994 INFO L440 ceAbstractionStarter]: At program point L526(lines 521 529) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2019-11-19 21:23:01,995 INFO L440 ceAbstractionStarter]: At program point L526-1(lines 521 529) the Hoare annotation is: false [2019-11-19 21:23:01,995 INFO L440 ceAbstractionStarter]: At program point L526-2(lines 521 529) the Hoare annotation is: false [2019-11-19 21:23:01,995 INFO L440 ceAbstractionStarter]: At program point L494(lines 489 497) the Hoare annotation is: false [2019-11-19 21:23:01,995 INFO L440 ceAbstractionStarter]: At program point L494-1(lines 489 497) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:23:01,995 INFO L440 ceAbstractionStarter]: At program point L494-2(lines 489 497) the Hoare annotation is: false [2019-11-19 21:23:01,995 INFO L440 ceAbstractionStarter]: At program point L494-3(lines 489 497) the Hoare annotation is: false [2019-11-19 21:23:01,995 INFO L440 ceAbstractionStarter]: At program point L494-4(lines 489 497) the Hoare annotation is: false [2019-11-19 21:23:01,995 INFO L440 ceAbstractionStarter]: At program point L494-5(lines 489 497) the Hoare annotation is: false [2019-11-19 21:23:01,996 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 21:23:01,996 INFO L444 ceAbstractionStarter]: For program point L957(lines 957 970) no Hoare annotation was computed. [2019-11-19 21:23:01,996 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2019-11-19 21:23:01,996 INFO L444 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2019-11-19 21:23:01,996 INFO L444 ceAbstractionStarter]: For program point L759-1(lines 759 776) no Hoare annotation was computed. [2019-11-19 21:23:01,996 INFO L444 ceAbstractionStarter]: For program point L759-2(lines 759 776) no Hoare annotation was computed. [2019-11-19 21:23:02,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:23:02 BoogieIcfgContainer [2019-11-19 21:23:02,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:23:02,021 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:23:02,021 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:23:02,021 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:23:02,022 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:53" (3/4) ... [2019-11-19 21:23:02,026 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 21:23:02,049 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 21:23:02,051 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-19 21:23:02,052 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-19 21:23:02,053 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 21:23:02,054 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 21:23:02,055 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 21:23:02,087 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && 1 <= \result) && 1 <= tmp) && 0 == splverifierCounter) [2019-11-19 21:23:02,090 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 <= waterLevel) && 1 <= \result) && 0 == splverifierCounter) [2019-11-19 21:23:02,091 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter [2019-11-19 21:23:02,091 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 21:23:02,092 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= tmp___0) && 0 == \result) && 1 <= \result) && 0 == tmp) && 1 <= waterLevel) && 0 == splverifierCounter [2019-11-19 21:23:02,092 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == \result && \result == 1) && 1 == systemActive) && tmp == 1) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 21:23:02,185 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 21:23:02,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:23:02,187 INFO L168 Benchmark]: Toolchain (without parser) took 10314.35 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 319.8 MB). Free memory was 959.0 MB in the beginning and 1.3 GB in the end (delta: -301.0 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-11-19 21:23:02,188 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:23:02,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -142.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:23:02,189 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:23:02,189 INFO L168 Benchmark]: Boogie Preprocessor took 55.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:23:02,190 INFO L168 Benchmark]: RCFGBuilder took 1020.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 11.5 GB. [2019-11-19 21:23:02,190 INFO L168 Benchmark]: TraceAbstraction took 8258.76 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 193.5 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -256.2 MB). Peak memory consumption was 396.0 MB. Max. memory is 11.5 GB. [2019-11-19 21:23:02,190 INFO L168 Benchmark]: Witness Printer took 165.23 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2019-11-19 21:23:02,192 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 724.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -142.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1020.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.6 MB). Peak memory consumption was 64.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8258.76 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 193.5 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -256.2 MB). Peak memory consumption was 396.0 MB. Max. memory is 11.5 GB. * Witness Printer took 165.23 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 439]: 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: 521]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 <= waterLevel) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (2 <= waterLevel && 1 == systemActive && 0 == splverifierCounter) || (((waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (((((((0 == \result && \result == 1) && 1 == systemActive) && tmp == 1) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: (2 <= waterLevel && 1 == systemActive && 0 == splverifierCounter) || (((waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && 1 <= \result) && 1 <= tmp) && 0 == splverifierCounter) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (2 <= waterLevel && 1 == systemActive && 0 == splverifierCounter) || (((waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= tmp___0) && 0 == \result) && 1 <= \result) && 0 == tmp) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 611]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: ((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == splverifierCounter) && 2 <= waterLevel) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= waterLevel) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Result: SAFE, OverallTime: 8.1s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, HoareTripleCheckerStatistics: 1193 SDtfs, 2005 SDslu, 2056 SDs, 0 SdLazy, 339 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 211 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1024 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 141 NumberOfFragments, 375 HoareAnnotationTreeSize, 55 FomulaSimplifications, 211944 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 55 FomulaSimplificationsInter, 23275 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 608 NumberOfCodeBlocks, 608 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 595 ConstructedInterpolants, 0 QuantifiedInterpolants, 53807 SizeOfPredicates, 8 NumberOfNonLiveVariables, 897 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 217/225 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...