./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product30.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 bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:26:49,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:26:49,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:26:49,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:26:49,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:26:49,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:26:49,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:26:49,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:26:49,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:26:49,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:26:49,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:26:49,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:26:49,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:26:49,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:26:49,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:26:49,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:26:49,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:26:49,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:26:49,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:26:49,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:26:49,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:26:49,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:26:49,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:26:49,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:26:49,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:26:49,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:26:49,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:26:49,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:26:49,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:26:49,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:26:49,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:26:49,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:26:49,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:26:49,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:26:49,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:26:49,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:26:49,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:26:49,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:26:49,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:26:49,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:26:49,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:26:49,768 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:26:49,788 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:26:49,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:26:49,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:26:49,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:26:49,792 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:26:49,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:26:49,792 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:26:49,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:26:49,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:26:49,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:26:49,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:26:49,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:26:49,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:26:49,795 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:26:49,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:26:49,795 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:26:49,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:26:49,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:26:49,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:26:49,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:26:49,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:26:49,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:26:49,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:26:49,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:26:49,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:26:49,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:26:49,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:26:49,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:26:49,798 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:26:49,798 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 -> bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f [2019-11-28 17:26:50,110 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:26:50,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:26:50,131 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:26:50,133 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:26:50,134 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:26:50,135 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2019-11-28 17:26:50,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02e831cc6/2aa87823a2f34ccab2fa1659348fa20d/FLAG04ac93e5e [2019-11-28 17:26:50,809 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:26:50,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2019-11-28 17:26:50,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02e831cc6/2aa87823a2f34ccab2fa1659348fa20d/FLAG04ac93e5e [2019-11-28 17:26:51,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02e831cc6/2aa87823a2f34ccab2fa1659348fa20d [2019-11-28 17:26:51,046 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:26:51,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:26:51,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:26:51,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:26:51,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:26:51,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:26:51" (1/1) ... [2019-11-28 17:26:51,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@163763dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:51, skipping insertion in model container [2019-11-28 17:26:51,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:26:51" (1/1) ... [2019-11-28 17:26:51,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:26:51,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:26:51,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:26:51,553 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:26:51,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:26:51,723 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:26:51,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:51 WrapperNode [2019-11-28 17:26:51,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:26:51,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:26:51,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:26:51,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:26:51,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:51" (1/1) ... [2019-11-28 17:26:51,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:51" (1/1) ... [2019-11-28 17:26:51,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:26:51,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:26:51,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:26:51,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:26:51,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:51" (1/1) ... [2019-11-28 17:26:51,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:51" (1/1) ... [2019-11-28 17:26:51,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:51" (1/1) ... [2019-11-28 17:26:51,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:51" (1/1) ... [2019-11-28 17:26:51,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:51" (1/1) ... [2019-11-28 17:26:51,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:51" (1/1) ... [2019-11-28 17:26:51,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:51" (1/1) ... [2019-11-28 17:26:51,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:26:51,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:26:51,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:26:51,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:26:51,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:26:51,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:26:51,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:26:51,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:26:51,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:26:52,889 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:26:52,890 INFO L287 CfgBuilder]: Removed 158 assume(true) statements. [2019-11-28 17:26:52,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:52 BoogieIcfgContainer [2019-11-28 17:26:52,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:26:52,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:26:52,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:26:52,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:26:52,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:26:51" (1/3) ... [2019-11-28 17:26:52,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25089d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:26:52, skipping insertion in model container [2019-11-28 17:26:52,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:26:51" (2/3) ... [2019-11-28 17:26:52,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25089d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:26:52, skipping insertion in model container [2019-11-28 17:26:52,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:52" (3/3) ... [2019-11-28 17:26:52,899 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product30.cil.c [2019-11-28 17:26:52,909 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:26:52,917 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:26:52,929 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:26:52,951 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:26:52,952 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:26:52,952 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:26:52,952 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:26:52,952 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:26:52,952 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:26:52,953 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:26:52,953 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:26:52,969 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2019-11-28 17:26:52,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 17:26:52,977 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:52,978 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:52,978 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:52,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:52,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1818136157, now seen corresponding path program 1 times [2019-11-28 17:26:52,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:52,992 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131925070] [2019-11-28 17:26:52,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:53,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:53,250 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131925070] [2019-11-28 17:26:53,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:53,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:26:53,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700100461] [2019-11-28 17:26:53,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:26:53,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:53,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:26:53,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:26:53,275 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2019-11-28 17:26:53,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:53,310 INFO L93 Difference]: Finished difference Result 204 states and 305 transitions. [2019-11-28 17:26:53,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:26:53,312 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 17:26:53,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:53,325 INFO L225 Difference]: With dead ends: 204 [2019-11-28 17:26:53,325 INFO L226 Difference]: Without dead ends: 101 [2019-11-28 17:26:53,329 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:26:53,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2019-11-28 17:26:53,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2019-11-28 17:26:53,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2019-11-28 17:26:53,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2019-11-28 17:26:53,379 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 16 [2019-11-28 17:26:53,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:53,380 INFO L462 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2019-11-28 17:26:53,380 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:26:53,380 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2019-11-28 17:26:53,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 17:26:53,382 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:53,382 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:53,382 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:53,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:53,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1430074242, now seen corresponding path program 1 times [2019-11-28 17:26:53,383 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:53,383 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737530002] [2019-11-28 17:26:53,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:53,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:53,485 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737530002] [2019-11-28 17:26:53,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:53,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:26:53,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483723307] [2019-11-28 17:26:53,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:26:53,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:53,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:26:53,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:53,498 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. Second operand 3 states. [2019-11-28 17:26:53,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:53,523 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2019-11-28 17:26:53,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:26:53,524 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 17:26:53,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:53,525 INFO L225 Difference]: With dead ends: 101 [2019-11-28 17:26:53,527 INFO L226 Difference]: Without dead ends: 43 [2019-11-28 17:26:53,528 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:53,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-28 17:26:53,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-11-28 17:26:53,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-28 17:26:53,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2019-11-28 17:26:53,542 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 17 [2019-11-28 17:26:53,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:53,542 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2019-11-28 17:26:53,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:26:53,543 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2019-11-28 17:26:53,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 17:26:53,545 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:53,545 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] [2019-11-28 17:26:53,545 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:53,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:53,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1358801466, now seen corresponding path program 1 times [2019-11-28 17:26:53,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:53,547 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386273372] [2019-11-28 17:26:53,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:53,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:53,695 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386273372] [2019-11-28 17:26:53,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:53,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:26:53,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565849461] [2019-11-28 17:26:53,697 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:53,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:53,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:53,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:53,698 INFO L87 Difference]: Start difference. First operand 43 states and 61 transitions. Second operand 5 states. [2019-11-28 17:26:53,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:53,767 INFO L93 Difference]: Finished difference Result 80 states and 116 transitions. [2019-11-28 17:26:53,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:26:53,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-28 17:26:53,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:53,769 INFO L225 Difference]: With dead ends: 80 [2019-11-28 17:26:53,770 INFO L226 Difference]: Without dead ends: 43 [2019-11-28 17:26:53,770 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:26:53,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-28 17:26:53,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-11-28 17:26:53,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-28 17:26:53,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2019-11-28 17:26:53,778 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 22 [2019-11-28 17:26:53,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:53,779 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2019-11-28 17:26:53,779 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:53,780 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2019-11-28 17:26:53,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:26:53,781 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:53,781 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:26:53,781 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:53,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:53,782 INFO L82 PathProgramCache]: Analyzing trace with hash 2042078472, now seen corresponding path program 1 times [2019-11-28 17:26:53,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:53,783 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297732674] [2019-11-28 17:26:53,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:53,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:53,950 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297732674] [2019-11-28 17:26:53,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:53,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 17:26:53,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511657198] [2019-11-28 17:26:53,951 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 17:26:53,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:53,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 17:26:53,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:26:53,952 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 8 states. [2019-11-28 17:26:54,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:54,531 INFO L93 Difference]: Finished difference Result 286 states and 428 transitions. [2019-11-28 17:26:54,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 17:26:54,532 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 24 [2019-11-28 17:26:54,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:54,535 INFO L225 Difference]: With dead ends: 286 [2019-11-28 17:26:54,535 INFO L226 Difference]: Without dead ends: 249 [2019-11-28 17:26:54,536 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-11-28 17:26:54,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2019-11-28 17:26:54,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 108. [2019-11-28 17:26:54,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-28 17:26:54,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2019-11-28 17:26:54,561 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 24 [2019-11-28 17:26:54,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:54,562 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2019-11-28 17:26:54,562 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 17:26:54,562 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2019-11-28 17:26:54,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 17:26:54,564 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:54,564 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] [2019-11-28 17:26:54,564 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:54,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:54,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1913417034, now seen corresponding path program 1 times [2019-11-28 17:26:54,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:54,566 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358349139] [2019-11-28 17:26:54,566 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:54,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:26:54,622 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358349139] [2019-11-28 17:26:54,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:54,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:26:54,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469476014] [2019-11-28 17:26:54,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:26:54,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:54,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:26:54,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:54,625 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand 3 states. [2019-11-28 17:26:54,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:54,646 INFO L93 Difference]: Finished difference Result 165 states and 237 transitions. [2019-11-28 17:26:54,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:26:54,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-11-28 17:26:54,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:54,647 INFO L225 Difference]: With dead ends: 165 [2019-11-28 17:26:54,647 INFO L226 Difference]: Without dead ends: 63 [2019-11-28 17:26:54,649 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:26:54,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-28 17:26:54,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-11-28 17:26:54,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-28 17:26:54,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2019-11-28 17:26:54,663 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 25 [2019-11-28 17:26:54,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:54,664 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2019-11-28 17:26:54,664 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:26:54,665 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2019-11-28 17:26:54,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-28 17:26:54,666 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:26:54,667 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-28 17:26:54,667 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:26:54,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:26:54,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1809526981, now seen corresponding path program 1 times [2019-11-28 17:26:54,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:26:54,669 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426020130] [2019-11-28 17:26:54,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:26:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:26:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-28 17:26:54,753 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426020130] [2019-11-28 17:26:54,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:26:54,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:26:54,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612758930] [2019-11-28 17:26:54,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:26:54,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:26:54,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:26:54,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:26:54,755 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand 5 states. [2019-11-28 17:26:54,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:26:54,833 INFO L93 Difference]: Finished difference Result 125 states and 164 transitions. [2019-11-28 17:26:54,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:26:54,834 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2019-11-28 17:26:54,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:26:54,835 INFO L225 Difference]: With dead ends: 125 [2019-11-28 17:26:54,836 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:26:54,840 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:26:54,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:26:54,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:26:54,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:26:54,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:26:54,843 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2019-11-28 17:26:54,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:26:54,843 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:26:54,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:26:54,844 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:26:54,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:26:54,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:26:55,264 INFO L242 CegarLoopResult]: At program point L927(lines 1 947) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-28 17:26:55,265 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2019-11-28 17:26:55,265 INFO L246 CegarLoopResult]: For program point L234(lines 234 251) no Hoare annotation was computed. [2019-11-28 17:26:55,266 INFO L246 CegarLoopResult]: For program point L234-1(lines 234 251) no Hoare annotation was computed. [2019-11-28 17:26:55,266 INFO L246 CegarLoopResult]: For program point L234-2(lines 234 251) no Hoare annotation was computed. [2019-11-28 17:26:55,266 INFO L242 CegarLoopResult]: At program point L865(lines 861 867) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~9 ~waterLevel~0)) [2019-11-28 17:26:55,266 INFO L246 CegarLoopResult]: For program point L403(lines 403 409) no Hoare annotation was computed. [2019-11-28 17:26:55,266 INFO L242 CegarLoopResult]: At program point L403-1(lines 403 409) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~9) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:55,267 INFO L242 CegarLoopResult]: At program point L304(lines 299 307) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~9) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:55,267 INFO L242 CegarLoopResult]: At program point L304-1(lines 299 307) the Hoare annotation is: false [2019-11-28 17:26:55,267 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-28 17:26:55,267 INFO L242 CegarLoopResult]: At program point L304-2(lines 299 307) the Hoare annotation is: false [2019-11-28 17:26:55,267 INFO L246 CegarLoopResult]: For program point L238-1(lines 238 246) no Hoare annotation was computed. [2019-11-28 17:26:55,267 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-28 17:26:55,267 INFO L249 CegarLoopResult]: At program point L900(lines 881 903) the Hoare annotation is: true [2019-11-28 17:26:55,268 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2019-11-28 17:26:55,276 INFO L246 CegarLoopResult]: For program point L208(lines 208 225) no Hoare annotation was computed. [2019-11-28 17:26:55,277 INFO L246 CegarLoopResult]: For program point L208-1(lines 208 225) no Hoare annotation was computed. [2019-11-28 17:26:55,277 INFO L246 CegarLoopResult]: For program point L208-2(lines 208 225) no Hoare annotation was computed. [2019-11-28 17:26:55,277 INFO L246 CegarLoopResult]: For program point L208-3(lines 208 225) no Hoare annotation was computed. [2019-11-28 17:26:55,278 INFO L246 CegarLoopResult]: For program point L208-4(lines 208 225) no Hoare annotation was computed. [2019-11-28 17:26:55,278 INFO L246 CegarLoopResult]: For program point L208-5(lines 208 225) no Hoare annotation was computed. [2019-11-28 17:26:55,281 INFO L242 CegarLoopResult]: At program point L935(lines 930 938) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-28 17:26:55,281 INFO L242 CegarLoopResult]: At program point L176(lines 175 194) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~9) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:55,282 INFO L246 CegarLoopResult]: For program point L176-1(lines 176 182) no Hoare annotation was computed. [2019-11-28 17:26:55,282 INFO L242 CegarLoopResult]: At program point L176-2(lines 175 194) the Hoare annotation is: false [2019-11-28 17:26:55,282 INFO L246 CegarLoopResult]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-11-28 17:26:55,283 INFO L242 CegarLoopResult]: At program point L176-3(lines 175 194) the Hoare annotation is: false [2019-11-28 17:26:55,283 INFO L246 CegarLoopResult]: For program point L212(lines 212 220) no Hoare annotation was computed. [2019-11-28 17:26:55,283 INFO L246 CegarLoopResult]: For program point L212-1(lines 212 220) no Hoare annotation was computed. [2019-11-28 17:26:55,285 INFO L246 CegarLoopResult]: For program point L146(lines 146 159) no Hoare annotation was computed. [2019-11-28 17:26:55,286 INFO L246 CegarLoopResult]: For program point L212-2(lines 212 220) no Hoare annotation was computed. [2019-11-28 17:26:55,286 INFO L242 CegarLoopResult]: At program point L146-1(lines 1 947) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~9) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:55,286 INFO L246 CegarLoopResult]: For program point L212-3(lines 212 220) no Hoare annotation was computed. [2019-11-28 17:26:55,286 INFO L246 CegarLoopResult]: For program point L146-2(lines 146 159) no Hoare annotation was computed. [2019-11-28 17:26:55,287 INFO L246 CegarLoopResult]: For program point L212-4(lines 212 220) no Hoare annotation was computed. [2019-11-28 17:26:55,287 INFO L242 CegarLoopResult]: At program point L146-3(lines 1 947) the Hoare annotation is: false [2019-11-28 17:26:55,287 INFO L246 CegarLoopResult]: For program point L212-5(lines 212 220) no Hoare annotation was computed. [2019-11-28 17:26:55,288 INFO L246 CegarLoopResult]: For program point L146-4(lines 146 159) no Hoare annotation was computed. [2019-11-28 17:26:55,288 INFO L242 CegarLoopResult]: At program point L146-5(lines 1 947) the Hoare annotation is: false [2019-11-28 17:26:55,288 INFO L246 CegarLoopResult]: For program point L413(lines 413 426) no Hoare annotation was computed. [2019-11-28 17:26:55,289 INFO L242 CegarLoopResult]: At program point L183(lines 183 189) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~9) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:55,289 INFO L246 CegarLoopResult]: For program point L150(lines 150 156) no Hoare annotation was computed. [2019-11-28 17:26:55,290 INFO L242 CegarLoopResult]: At program point L183-1(lines 183 189) the Hoare annotation is: false [2019-11-28 17:26:55,290 INFO L242 CegarLoopResult]: At program point L183-2(lines 183 189) the Hoare annotation is: false [2019-11-28 17:26:55,292 INFO L246 CegarLoopResult]: For program point L150-2(lines 150 156) no Hoare annotation was computed. [2019-11-28 17:26:55,292 INFO L246 CegarLoopResult]: For program point L150-4(lines 150 156) no Hoare annotation was computed. [2019-11-28 17:26:55,292 INFO L246 CegarLoopResult]: For program point L944(line 944) no Hoare annotation was computed. [2019-11-28 17:26:55,292 INFO L246 CegarLoopResult]: For program point L944-1(line 944) no Hoare annotation was computed. [2019-11-28 17:26:55,293 INFO L246 CegarLoopResult]: For program point L944-2(line 944) no Hoare annotation was computed. [2019-11-28 17:26:55,293 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:26:55,293 INFO L246 CegarLoopResult]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-11-28 17:26:55,293 INFO L246 CegarLoopResult]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-11-28 17:26:55,293 INFO L246 CegarLoopResult]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-11-28 17:26:55,294 INFO L246 CegarLoopResult]: For program point L384(lines 383 430) no Hoare annotation was computed. [2019-11-28 17:26:55,294 INFO L246 CegarLoopResult]: For program point L385(lines 385 389) no Hoare annotation was computed. [2019-11-28 17:26:55,294 INFO L246 CegarLoopResult]: For program point L353(lines 353 357) no Hoare annotation was computed. [2019-11-28 17:26:55,294 INFO L246 CegarLoopResult]: For program point L353-2(lines 353 357) no Hoare annotation was computed. [2019-11-28 17:26:55,295 INFO L246 CegarLoopResult]: For program point L353-3(lines 353 357) no Hoare annotation was computed. [2019-11-28 17:26:55,295 INFO L246 CegarLoopResult]: For program point L353-5(lines 353 357) no Hoare annotation was computed. [2019-11-28 17:26:55,295 INFO L246 CegarLoopResult]: For program point L353-6(lines 353 357) no Hoare annotation was computed. [2019-11-28 17:26:55,296 INFO L242 CegarLoopResult]: At program point L122(lines 117 125) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~9) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:55,296 INFO L246 CegarLoopResult]: For program point L353-8(lines 353 357) no Hoare annotation was computed. [2019-11-28 17:26:55,296 INFO L242 CegarLoopResult]: At program point L122-1(lines 117 125) the Hoare annotation is: false [2019-11-28 17:26:55,296 INFO L246 CegarLoopResult]: For program point L353-9(lines 353 357) no Hoare annotation was computed. [2019-11-28 17:26:55,297 INFO L242 CegarLoopResult]: At program point L122-2(lines 117 125) the Hoare annotation is: false [2019-11-28 17:26:55,297 INFO L246 CegarLoopResult]: For program point L353-11(lines 353 357) no Hoare annotation was computed. [2019-11-28 17:26:55,297 INFO L246 CegarLoopResult]: For program point L353-12(lines 353 357) no Hoare annotation was computed. [2019-11-28 17:26:55,297 INFO L246 CegarLoopResult]: For program point L353-14(lines 353 357) no Hoare annotation was computed. [2019-11-28 17:26:55,297 INFO L246 CegarLoopResult]: For program point L353-15(lines 353 357) no Hoare annotation was computed. [2019-11-28 17:26:55,298 INFO L246 CegarLoopResult]: For program point L353-17(lines 353 357) no Hoare annotation was computed. [2019-11-28 17:26:55,298 INFO L242 CegarLoopResult]: At program point L90(lines 85 93) the Hoare annotation is: false [2019-11-28 17:26:55,298 INFO L242 CegarLoopResult]: At program point L90-1(lines 85 93) the Hoare annotation is: false [2019-11-28 17:26:55,299 INFO L242 CegarLoopResult]: At program point L90-2(lines 85 93) the Hoare annotation is: false [2019-11-28 17:26:55,299 INFO L242 CegarLoopResult]: At program point L817-2(lines 817 831) the Hoare annotation is: false [2019-11-28 17:26:55,299 INFO L246 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2019-11-28 17:26:55,300 INFO L242 CegarLoopResult]: At program point L421-2(lines 176 182) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~9) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:55,300 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:26:55,300 INFO L246 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2019-11-28 17:26:55,300 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:26:55,301 INFO L246 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2019-11-28 17:26:55,302 INFO L246 CegarLoopResult]: For program point L821-1(lines 176 182) no Hoare annotation was computed. [2019-11-28 17:26:55,302 INFO L242 CegarLoopResult]: At program point L359(lines 344 362) the Hoare annotation is: false [2019-11-28 17:26:55,302 INFO L242 CegarLoopResult]: At program point L359-1(lines 344 362) the Hoare annotation is: false [2019-11-28 17:26:55,303 INFO L242 CegarLoopResult]: At program point L359-2(lines 344 362) the Hoare annotation is: false [2019-11-28 17:26:55,303 INFO L242 CegarLoopResult]: At program point L359-3(lines 344 362) the Hoare annotation is: false [2019-11-28 17:26:55,303 INFO L242 CegarLoopResult]: At program point L359-4(lines 344 362) the Hoare annotation is: false [2019-11-28 17:26:55,304 INFO L242 CegarLoopResult]: At program point L359-5(lines 344 362) the Hoare annotation is: false [2019-11-28 17:26:55,304 INFO L246 CegarLoopResult]: For program point L393(lines 393 399) no Hoare annotation was computed. [2019-11-28 17:26:55,304 INFO L242 CegarLoopResult]: At program point L393-1(lines 393 399) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~9) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:26:55,304 INFO L242 CegarLoopResult]: At program point L295(lines 288 298) the Hoare annotation is: false [2019-11-28 17:26:55,305 INFO L242 CegarLoopResult]: At program point L295-1(lines 288 298) the Hoare annotation is: false [2019-11-28 17:26:55,305 INFO L242 CegarLoopResult]: At program point L295-2(lines 288 298) the Hoare annotation is: false [2019-11-28 17:26:55,305 INFO L242 CegarLoopResult]: At program point L131(lines 126 134) the Hoare annotation is: false [2019-11-28 17:26:55,306 INFO L242 CegarLoopResult]: At program point L131-1(lines 126 134) the Hoare annotation is: false [2019-11-28 17:26:55,306 INFO L246 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-11-28 17:26:55,306 INFO L242 CegarLoopResult]: At program point L131-2(lines 126 134) the Hoare annotation is: false [2019-11-28 17:26:55,307 INFO L242 CegarLoopResult]: At program point L131-3(lines 126 134) the Hoare annotation is: false [2019-11-28 17:26:55,307 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:26:55,307 INFO L242 CegarLoopResult]: At program point L131-4(lines 126 134) the Hoare annotation is: false [2019-11-28 17:26:55,307 INFO L242 CegarLoopResult]: At program point L131-5(lines 126 134) the Hoare annotation is: false [2019-11-28 17:26:55,308 INFO L246 CegarLoopResult]: For program point L891(lines 891 898) no Hoare annotation was computed. [2019-11-28 17:26:55,308 INFO L249 CegarLoopResult]: At program point L891-1(lines 891 898) the Hoare annotation is: true [2019-11-28 17:26:55,308 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2019-11-28 17:26:55,308 INFO L242 CegarLoopResult]: At program point L431(lines 382 432) the Hoare annotation is: false [2019-11-28 17:26:55,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:26:55 BoogieIcfgContainer [2019-11-28 17:26:55,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:26:55,360 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:26:55,360 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:26:55,361 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:26:55,362 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:26:52" (3/4) ... [2019-11-28 17:26:55,369 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:26:55,402 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:26:55,404 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:26:55,406 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:26:55,407 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:26:55,409 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:26:55,410 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:26:55,411 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:26:55,469 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-28 17:26:55,470 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && tmp == waterLevel [2019-11-28 17:26:55,470 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 17:26:55,471 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 17:26:55,472 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 17:26:55,473 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 17:26:55,473 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 17:26:55,474 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 17:26:55,478 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 17:26:55,483 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 17:26:55,589 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:26:55,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:26:55,592 INFO L168 Benchmark]: Toolchain (without parser) took 4543.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 955.0 MB in the beginning and 857.2 MB in the end (delta: 97.8 MB). Peak memory consumption was 240.9 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:55,593 INFO L168 Benchmark]: CDTParser took 0.93 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:26:55,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:55,594 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:55,594 INFO L168 Benchmark]: Boogie Preprocessor took 46.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:26:55,595 INFO L168 Benchmark]: RCFGBuilder took 1027.89 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: 57.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:55,595 INFO L168 Benchmark]: TraceAbstraction took 2467.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 870.3 MB in the end (delta: 184.7 MB). Peak memory consumption was 184.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:55,596 INFO L168 Benchmark]: Witness Printer took 229.65 ms. Allocated memory is still 1.2 GB. Free memory was 870.3 MB in the beginning and 857.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:26:55,598 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 675.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1027.89 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: 57.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2467.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 870.3 MB in the end (delta: 184.7 MB). Peak memory consumption was 184.7 MB. Max. memory is 11.5 GB. * Witness Printer took 229.65 ms. Allocated memory is still 1.2 GB. Free memory was 870.3 MB in the beginning and 857.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 944]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 944]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 944]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: (((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && tmp == waterLevel - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 434 SDtfs, 829 SDslu, 581 SDs, 0 SdLazy, 131 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 141 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 92 NumberOfFragments, 213 HoareAnnotationTreeSize, 43 FomulaSimplifications, 2583 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 8981 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 16/16 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...