./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_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_spec2_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 06e9efb7ee4abc37e21a919ff8d0a93ec8f3ff5c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:25:04,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:25:04,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:25:04,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:25:04,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:25:04,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:25:04,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:25:04,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:25:04,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:25:04,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:25:04,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:25:04,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:25:04,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:25:04,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:25:04,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:25:04,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:25:04,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:25:04,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:25:04,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:25:04,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:25:04,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:25:04,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:25:04,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:25:04,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:25:04,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:25:04,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:25:04,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:25:04,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:25:04,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:25:04,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:25:04,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:25:04,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:25:04,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:25:04,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:25:04,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:25:04,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:25:04,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:25:04,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:25:04,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:25:04,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:25:04,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:25:04,743 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:25:04,760 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:25:04,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:25:04,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:25:04,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:25:04,763 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:25:04,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:25:04,764 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:25:04,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:25:04,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:25:04,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:25:04,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:25:04,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:25:04,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:25:04,766 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:25:04,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:25:04,766 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:25:04,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:25:04,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:25:04,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:25:04,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:25:04,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:25:04,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:25:04,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:25:04,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:25:04,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:25:04,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:25:04,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:25:04,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:25:04,771 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:25:04,771 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 -> 06e9efb7ee4abc37e21a919ff8d0a93ec8f3ff5c [2019-11-28 17:25:05,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:25:05,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:25:05,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:25:05,119 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:25:05,120 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:25:05,121 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c [2019-11-28 17:25:05,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1617f58e/536c0671340d45ed97549a1fde137a17/FLAG0ec439f85 [2019-11-28 17:25:05,710 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:25:05,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c [2019-11-28 17:25:05,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1617f58e/536c0671340d45ed97549a1fde137a17/FLAG0ec439f85 [2019-11-28 17:25:06,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1617f58e/536c0671340d45ed97549a1fde137a17 [2019-11-28 17:25:06,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:25:06,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:25:06,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:06,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:25:06,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:25:06,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:06" (1/1) ... [2019-11-28 17:25:06,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3939ed9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:06, skipping insertion in model container [2019-11-28 17:25:06,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:25:06" (1/1) ... [2019-11-28 17:25:06,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:25:06,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:25:06,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:06,598 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:25:06,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:25:06,715 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:25:06,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:06 WrapperNode [2019-11-28 17:25:06,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:25:06,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:06,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:25:06,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:25:06,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:06" (1/1) ... [2019-11-28 17:25:06,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:06" (1/1) ... [2019-11-28 17:25:06,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:25:06,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:25:06,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:25:06,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:25:06,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:06" (1/1) ... [2019-11-28 17:25:06,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:06" (1/1) ... [2019-11-28 17:25:06,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:06" (1/1) ... [2019-11-28 17:25:06,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:06" (1/1) ... [2019-11-28 17:25:06,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:06" (1/1) ... [2019-11-28 17:25:06,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:06" (1/1) ... [2019-11-28 17:25:06,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:06" (1/1) ... [2019-11-28 17:25:06,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:25:06,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:25:06,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:25:06,894 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:25:06,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:06" (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 17:25:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:25:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:25:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:25:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:25:07,777 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:25:07,778 INFO L287 CfgBuilder]: Removed 160 assume(true) statements. [2019-11-28 17:25:07,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:07 BoogieIcfgContainer [2019-11-28 17:25:07,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:25:07,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:25:07,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:25:07,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:25:07,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:25:06" (1/3) ... [2019-11-28 17:25:07,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b61eb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:07, skipping insertion in model container [2019-11-28 17:25:07,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:25:06" (2/3) ... [2019-11-28 17:25:07,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b61eb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:25:07, skipping insertion in model container [2019-11-28 17:25:07,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:07" (3/3) ... [2019-11-28 17:25:07,788 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product30.cil.c [2019-11-28 17:25:07,799 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:25:07,808 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:25:07,821 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:25:07,850 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:25:07,850 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:25:07,850 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:25:07,850 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:25:07,851 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:25:07,851 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:25:07,851 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:25:07,851 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:25:07,879 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2019-11-28 17:25:07,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 17:25:07,889 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:07,891 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:07,891 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:07,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:07,898 INFO L82 PathProgramCache]: Analyzing trace with hash -509663600, now seen corresponding path program 1 times [2019-11-28 17:25:07,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:07,910 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993677027] [2019-11-28 17:25:07,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:08,174 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 17:25:08,175 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993677027] [2019-11-28 17:25:08,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:08,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:25:08,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602433866] [2019-11-28 17:25:08,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:25:08,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:08,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:25:08,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:25:08,201 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2019-11-28 17:25:08,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:08,247 INFO L93 Difference]: Finished difference Result 211 states and 318 transitions. [2019-11-28 17:25:08,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:25:08,250 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 17:25:08,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:08,267 INFO L225 Difference]: With dead ends: 211 [2019-11-28 17:25:08,267 INFO L226 Difference]: Without dead ends: 105 [2019-11-28 17:25:08,271 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 17:25:08,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-11-28 17:25:08,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-11-28 17:25:08,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-11-28 17:25:08,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 151 transitions. [2019-11-28 17:25:08,324 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 151 transitions. Word has length 18 [2019-11-28 17:25:08,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:08,325 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 151 transitions. [2019-11-28 17:25:08,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:25:08,327 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 151 transitions. [2019-11-28 17:25:08,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 17:25:08,330 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:08,331 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:08,331 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:08,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:08,332 INFO L82 PathProgramCache]: Analyzing trace with hash -890511133, now seen corresponding path program 1 times [2019-11-28 17:25:08,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:08,333 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318050759] [2019-11-28 17:25:08,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:08,511 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 17:25:08,511 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318050759] [2019-11-28 17:25:08,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:08,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:08,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706957495] [2019-11-28 17:25:08,514 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:08,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:08,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:08,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:08,517 INFO L87 Difference]: Start difference. First operand 105 states and 151 transitions. Second operand 3 states. [2019-11-28 17:25:08,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:08,539 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2019-11-28 17:25:08,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:08,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 17:25:08,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:08,541 INFO L225 Difference]: With dead ends: 105 [2019-11-28 17:25:08,541 INFO L226 Difference]: Without dead ends: 45 [2019-11-28 17:25:08,543 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 17:25:08,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-28 17:25:08,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-11-28 17:25:08,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-28 17:25:08,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2019-11-28 17:25:08,550 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 19 [2019-11-28 17:25:08,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:08,551 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2019-11-28 17:25:08,551 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:08,551 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-11-28 17:25:08,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:25:08,552 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:08,553 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 17:25:08,553 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:08,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:08,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1279741385, now seen corresponding path program 1 times [2019-11-28 17:25:08,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:08,555 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708495544] [2019-11-28 17:25:08,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:08,626 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 17:25:08,627 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708495544] [2019-11-28 17:25:08,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:08,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:25:08,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522372771] [2019-11-28 17:25:08,628 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:25:08,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:08,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:25:08,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:25:08,629 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2019-11-28 17:25:08,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:08,671 INFO L93 Difference]: Finished difference Result 83 states and 121 transitions. [2019-11-28 17:25:08,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:25:08,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 17:25:08,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:08,674 INFO L225 Difference]: With dead ends: 83 [2019-11-28 17:25:08,674 INFO L226 Difference]: Without dead ends: 45 [2019-11-28 17:25:08,675 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 17:25:08,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-28 17:25:08,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2019-11-28 17:25:08,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-28 17:25:08,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2019-11-28 17:25:08,687 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 24 [2019-11-28 17:25:08,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:08,689 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2019-11-28 17:25:08,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:25:08,690 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2019-11-28 17:25:08,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:25:08,692 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:08,693 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:25:08,693 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:08,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:08,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1716158697, now seen corresponding path program 1 times [2019-11-28 17:25:08,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:08,694 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135175135] [2019-11-28 17:25:08,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:08,799 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 17:25:08,799 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135175135] [2019-11-28 17:25:08,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:08,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:08,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101010320] [2019-11-28 17:25:08,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:08,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:08,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:08,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:08,802 INFO L87 Difference]: Start difference. First operand 45 states and 63 transitions. Second operand 5 states. [2019-11-28 17:25:08,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:08,959 INFO L93 Difference]: Finished difference Result 207 states and 308 transitions. [2019-11-28 17:25:08,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:25:08,961 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-28 17:25:08,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:08,963 INFO L225 Difference]: With dead ends: 207 [2019-11-28 17:25:08,963 INFO L226 Difference]: Without dead ends: 169 [2019-11-28 17:25:08,964 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:25:08,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2019-11-28 17:25:08,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 78. [2019-11-28 17:25:08,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-11-28 17:25:08,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2019-11-28 17:25:08,982 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 26 [2019-11-28 17:25:08,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:08,985 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2019-11-28 17:25:08,986 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:08,986 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2019-11-28 17:25:08,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-28 17:25:08,987 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:25:08,989 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] [2019-11-28 17:25:08,989 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:25:08,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:25:08,990 INFO L82 PathProgramCache]: Analyzing trace with hash 700064625, now seen corresponding path program 1 times [2019-11-28 17:25:08,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:25:08,991 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427006796] [2019-11-28 17:25:08,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:25:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:25:09,074 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 17:25:09,075 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427006796] [2019-11-28 17:25:09,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:25:09,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:25:09,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418022771] [2019-11-28 17:25:09,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:25:09,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:25:09,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:25:09,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:25:09,077 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand 5 states. [2019-11-28 17:25:09,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:25:09,170 INFO L93 Difference]: Finished difference Result 176 states and 260 transitions. [2019-11-28 17:25:09,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:25:09,171 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-11-28 17:25:09,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:25:09,171 INFO L225 Difference]: With dead ends: 176 [2019-11-28 17:25:09,171 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:25:09,173 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 17:25:09,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:25:09,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:25:09,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:25:09,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:25:09,174 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2019-11-28 17:25:09,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:25:09,175 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:25:09,175 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:25:09,175 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:25:09,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:25:09,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:25:09,531 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 920) no Hoare annotation was computed. [2019-11-28 17:25:09,532 INFO L246 CegarLoopResult]: For program point L533(lines 533 540) no Hoare annotation was computed. [2019-11-28 17:25:09,532 INFO L249 CegarLoopResult]: At program point L533-1(lines 533 540) the Hoare annotation is: true [2019-11-28 17:25:09,532 INFO L246 CegarLoopResult]: For program point L897(lines 897 901) no Hoare annotation was computed. [2019-11-28 17:25:09,532 INFO L246 CegarLoopResult]: For program point L897-2(lines 897 901) no Hoare annotation was computed. [2019-11-28 17:25:09,532 INFO L246 CegarLoopResult]: For program point L897-3(lines 897 901) no Hoare annotation was computed. [2019-11-28 17:25:09,533 INFO L246 CegarLoopResult]: For program point L897-5(lines 897 901) no Hoare annotation was computed. [2019-11-28 17:25:09,533 INFO L246 CegarLoopResult]: For program point L897-6(lines 897 901) no Hoare annotation was computed. [2019-11-28 17:25:09,533 INFO L246 CegarLoopResult]: For program point L897-8(lines 897 901) no Hoare annotation was computed. [2019-11-28 17:25:09,533 INFO L246 CegarLoopResult]: For program point L897-9(lines 897 901) no Hoare annotation was computed. [2019-11-28 17:25:09,533 INFO L246 CegarLoopResult]: For program point L897-11(lines 897 901) no Hoare annotation was computed. [2019-11-28 17:25:09,533 INFO L246 CegarLoopResult]: For program point L897-12(lines 897 901) no Hoare annotation was computed. [2019-11-28 17:25:09,534 INFO L246 CegarLoopResult]: For program point L897-14(lines 897 901) no Hoare annotation was computed. [2019-11-28 17:25:09,534 INFO L246 CegarLoopResult]: For program point L897-15(lines 897 901) no Hoare annotation was computed. [2019-11-28 17:25:09,534 INFO L246 CegarLoopResult]: For program point L897-17(lines 897 901) no Hoare annotation was computed. [2019-11-28 17:25:09,534 INFO L242 CegarLoopResult]: At program point L931(lines 926 933) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 17:25:09,534 INFO L242 CegarLoopResult]: At program point L700(lines 651 701) the Hoare annotation is: false [2019-11-28 17:25:09,534 INFO L242 CegarLoopResult]: At program point L636(lines 631 639) the Hoare annotation is: false [2019-11-28 17:25:09,535 INFO L242 CegarLoopResult]: At program point L636-1(lines 631 639) the Hoare annotation is: false [2019-11-28 17:25:09,535 INFO L246 CegarLoopResult]: For program point L570(lines 570 574) no Hoare annotation was computed. [2019-11-28 17:25:09,535 INFO L242 CegarLoopResult]: At program point L636-2(lines 631 639) the Hoare annotation is: false [2019-11-28 17:25:09,535 INFO L242 CegarLoopResult]: At program point L636-3(lines 631 639) the Hoare annotation is: false [2019-11-28 17:25:09,535 INFO L242 CegarLoopResult]: At program point L636-4(lines 631 639) the Hoare annotation is: false [2019-11-28 17:25:09,535 INFO L242 CegarLoopResult]: At program point L636-5(lines 631 639) the Hoare annotation is: false [2019-11-28 17:25:09,536 INFO L242 CegarLoopResult]: At program point L439(lines 434 442) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 17:25:09,536 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 920) no Hoare annotation was computed. [2019-11-28 17:25:09,536 INFO L242 CegarLoopResult]: At program point L903(lines 888 906) the Hoare annotation is: false [2019-11-28 17:25:09,536 INFO L242 CegarLoopResult]: At program point L903-1(lines 888 906) the Hoare annotation is: false [2019-11-28 17:25:09,536 INFO L242 CegarLoopResult]: At program point L903-2(lines 888 906) the Hoare annotation is: false [2019-11-28 17:25:09,537 INFO L242 CegarLoopResult]: At program point L903-3(lines 888 906) the Hoare annotation is: false [2019-11-28 17:25:09,537 INFO L242 CegarLoopResult]: At program point L903-4(lines 888 906) the Hoare annotation is: false [2019-11-28 17:25:09,537 INFO L242 CegarLoopResult]: At program point L903-5(lines 888 906) the Hoare annotation is: false [2019-11-28 17:25:09,537 INFO L246 CegarLoopResult]: For program point L672(lines 672 678) no Hoare annotation was computed. [2019-11-28 17:25:09,537 INFO L242 CegarLoopResult]: At program point L672-1(lines 672 678) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:25:09,538 INFO L242 CegarLoopResult]: At program point L507(lines 503 509) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 17:25:09,538 INFO L242 CegarLoopResult]: At program point L839(lines 832 842) the Hoare annotation is: false [2019-11-28 17:25:09,538 INFO L242 CegarLoopResult]: At program point L839-1(lines 832 842) the Hoare annotation is: false [2019-11-28 17:25:09,538 INFO L242 CegarLoopResult]: At program point L839-2(lines 832 842) the Hoare annotation is: false [2019-11-28 17:25:09,538 INFO L249 CegarLoopResult]: At program point L542(lines 523 545) the Hoare annotation is: true [2019-11-28 17:25:09,539 INFO L246 CegarLoopResult]: For program point L942(lines 942 959) no Hoare annotation was computed. [2019-11-28 17:25:09,539 INFO L242 CegarLoopResult]: At program point L942-1(lines 1 962) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:25:09,539 INFO L246 CegarLoopResult]: For program point L942-2(lines 942 959) no Hoare annotation was computed. [2019-11-28 17:25:09,539 INFO L242 CegarLoopResult]: At program point L942-3(lines 1 962) the Hoare annotation is: false [2019-11-28 17:25:09,539 INFO L246 CegarLoopResult]: For program point L942-4(lines 942 959) no Hoare annotation was computed. [2019-11-28 17:25:09,539 INFO L242 CegarLoopResult]: At program point L942-5(lines 1 962) the Hoare annotation is: false [2019-11-28 17:25:09,539 INFO L246 CegarLoopResult]: For program point L778(lines 778 795) no Hoare annotation was computed. [2019-11-28 17:25:09,540 INFO L246 CegarLoopResult]: For program point L778-1(lines 778 795) no Hoare annotation was computed. [2019-11-28 17:25:09,540 INFO L246 CegarLoopResult]: For program point L778-2(lines 778 795) no Hoare annotation was computed. [2019-11-28 17:25:09,540 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:25:09,540 INFO L246 CegarLoopResult]: For program point L582(lines 582 586) no Hoare annotation was computed. [2019-11-28 17:25:09,540 INFO L246 CegarLoopResult]: For program point L946(lines 946 956) no Hoare annotation was computed. [2019-11-28 17:25:09,540 INFO L246 CegarLoopResult]: For program point L946-2(lines 946 956) no Hoare annotation was computed. [2019-11-28 17:25:09,540 INFO L246 CegarLoopResult]: For program point L946-4(lines 946 956) no Hoare annotation was computed. [2019-11-28 17:25:09,541 INFO L246 CegarLoopResult]: For program point L682(lines 682 695) no Hoare annotation was computed. [2019-11-28 17:25:09,541 INFO L246 CegarLoopResult]: For program point L947(lines 947 953) no Hoare annotation was computed. [2019-11-28 17:25:09,541 INFO L246 CegarLoopResult]: For program point L947-2(lines 947 953) no Hoare annotation was computed. [2019-11-28 17:25:09,541 INFO L242 CegarLoopResult]: At program point L848(lines 843 851) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:25:09,541 INFO L242 CegarLoopResult]: At program point L848-1(lines 843 851) the Hoare annotation is: false [2019-11-28 17:25:09,541 INFO L246 CegarLoopResult]: For program point L947-4(lines 947 953) no Hoare annotation was computed. [2019-11-28 17:25:09,542 INFO L246 CegarLoopResult]: For program point L782(lines 782 790) no Hoare annotation was computed. [2019-11-28 17:25:09,542 INFO L242 CegarLoopResult]: At program point L848-2(lines 843 851) the Hoare annotation is: false [2019-11-28 17:25:09,542 INFO L246 CegarLoopResult]: For program point L782-1(lines 782 790) no Hoare annotation was computed. [2019-11-28 17:25:09,542 INFO L246 CegarLoopResult]: For program point L782-2(lines 782 790) no Hoare annotation was computed. [2019-11-28 17:25:09,542 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:25:09,542 INFO L246 CegarLoopResult]: For program point L752(lines 752 769) no Hoare annotation was computed. [2019-11-28 17:25:09,542 INFO L246 CegarLoopResult]: For program point L752-1(lines 752 769) no Hoare annotation was computed. [2019-11-28 17:25:09,543 INFO L246 CegarLoopResult]: For program point L752-2(lines 752 769) no Hoare annotation was computed. [2019-11-28 17:25:09,543 INFO L246 CegarLoopResult]: For program point L653(lines 652 699) no Hoare annotation was computed. [2019-11-28 17:25:09,543 INFO L246 CegarLoopResult]: For program point L752-3(lines 752 769) no Hoare annotation was computed. [2019-11-28 17:25:09,543 INFO L246 CegarLoopResult]: For program point L752-4(lines 752 769) no Hoare annotation was computed. [2019-11-28 17:25:09,543 INFO L246 CegarLoopResult]: For program point L752-5(lines 752 769) no Hoare annotation was computed. [2019-11-28 17:25:09,543 INFO L242 CegarLoopResult]: At program point L720(lines 719 738) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:25:09,544 INFO L246 CegarLoopResult]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2019-11-28 17:25:09,544 INFO L246 CegarLoopResult]: For program point L654(lines 654 658) no Hoare annotation was computed. [2019-11-28 17:25:09,544 INFO L242 CegarLoopResult]: At program point L720-2(lines 719 738) the Hoare annotation is: false [2019-11-28 17:25:09,544 INFO L242 CegarLoopResult]: At program point L720-3(lines 719 738) the Hoare annotation is: false [2019-11-28 17:25:09,544 INFO L242 CegarLoopResult]: At program point L456-2(lines 456 470) the Hoare annotation is: false [2019-11-28 17:25:09,544 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-28 17:25:09,545 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:25:09,545 INFO L246 CegarLoopResult]: For program point L920(line 920) no Hoare annotation was computed. [2019-11-28 17:25:09,545 INFO L246 CegarLoopResult]: For program point L920-1(line 920) no Hoare annotation was computed. [2019-11-28 17:25:09,545 INFO L246 CegarLoopResult]: For program point L920-2(line 920) no Hoare annotation was computed. [2019-11-28 17:25:09,545 INFO L246 CegarLoopResult]: For program point L756(lines 756 764) no Hoare annotation was computed. [2019-11-28 17:25:09,545 INFO L246 CegarLoopResult]: For program point L756-1(lines 756 764) no Hoare annotation was computed. [2019-11-28 17:25:09,545 INFO L246 CegarLoopResult]: For program point L690(lines 690 694) no Hoare annotation was computed. [2019-11-28 17:25:09,545 INFO L246 CegarLoopResult]: For program point L756-2(lines 756 764) no Hoare annotation was computed. [2019-11-28 17:25:09,546 INFO L246 CegarLoopResult]: For program point L756-3(lines 756 764) no Hoare annotation was computed. [2019-11-28 17:25:09,546 INFO L242 CegarLoopResult]: At program point L690-2(lines 720 726) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:25:09,546 INFO L246 CegarLoopResult]: For program point L756-4(lines 756 764) no Hoare annotation was computed. [2019-11-28 17:25:09,546 INFO L246 CegarLoopResult]: For program point L756-5(lines 756 764) no Hoare annotation was computed. [2019-11-28 17:25:09,546 INFO L246 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2019-11-28 17:25:09,546 INFO L246 CegarLoopResult]: For program point L558-3(lines 558 562) no Hoare annotation was computed. [2019-11-28 17:25:09,546 INFO L246 CegarLoopResult]: For program point L558-6(lines 558 562) no Hoare annotation was computed. [2019-11-28 17:25:09,547 INFO L246 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2019-11-28 17:25:09,547 INFO L246 CegarLoopResult]: For program point L460-1(lines 720 726) no Hoare annotation was computed. [2019-11-28 17:25:09,547 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:25:09,547 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 920) no Hoare annotation was computed. [2019-11-28 17:25:09,547 INFO L242 CegarLoopResult]: At program point L727(lines 727 733) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:25:09,547 INFO L242 CegarLoopResult]: At program point L727-1(lines 727 733) the Hoare annotation is: false [2019-11-28 17:25:09,548 INFO L242 CegarLoopResult]: At program point L727-2(lines 727 733) the Hoare annotation is: false [2019-11-28 17:25:09,548 INFO L242 CegarLoopResult]: At program point L595(lines 590 598) the Hoare annotation is: false [2019-11-28 17:25:09,548 INFO L242 CegarLoopResult]: At program point L595-1(lines 590 598) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:25:09,548 INFO L242 CegarLoopResult]: At program point L595-2(lines 590 598) the Hoare annotation is: false [2019-11-28 17:25:09,548 INFO L242 CegarLoopResult]: At program point L595-3(lines 590 598) the Hoare annotation is: false [2019-11-28 17:25:09,548 INFO L242 CegarLoopResult]: At program point L595-4(lines 590 598) the Hoare annotation is: false [2019-11-28 17:25:09,549 INFO L242 CegarLoopResult]: At program point L595-5(lines 590 598) the Hoare annotation is: false [2019-11-28 17:25:09,549 INFO L246 CegarLoopResult]: For program point L662(lines 662 668) no Hoare annotation was computed. [2019-11-28 17:25:09,549 INFO L242 CegarLoopResult]: At program point L662-1(lines 662 668) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:25:09,549 INFO L242 CegarLoopResult]: At program point L431(lines 1 962) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-28 17:25:09,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:25:09 BoogieIcfgContainer [2019-11-28 17:25:09,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:25:09,573 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:25:09,574 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:25:09,574 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:25:09,574 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:25:07" (3/4) ... [2019-11-28 17:25:09,578 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:25:09,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:25:09,600 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:25:09,601 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:25:09,602 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:25:09,603 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:25:09,605 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:25:09,606 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:25:09,647 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:25:09,745 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:25:09,746 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:25:09,748 INFO L168 Benchmark]: Toolchain (without parser) took 3731.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 955.0 MB in the beginning and 889.2 MB in the end (delta: 65.8 MB). Peak memory consumption was 191.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:09,749 INFO L168 Benchmark]: CDTParser took 0.85 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 17:25:09,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:09,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.07 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. [2019-11-28 17:25:09,750 INFO L168 Benchmark]: Boogie Preprocessor took 66.19 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 17:25:09,751 INFO L168 Benchmark]: RCFGBuilder took 886.16 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. [2019-11-28 17:25:09,751 INFO L168 Benchmark]: TraceAbstraction took 1792.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 902.5 MB in the end (delta: 133.7 MB). Peak memory consumption was 133.7 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:09,752 INFO L168 Benchmark]: Witness Printer took 172.42 ms. Allocated memory is still 1.2 GB. Free memory was 902.5 MB in the beginning and 889.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-28 17:25:09,754 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 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 699.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 109.07 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 66.19 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 886.16 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 1792.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 902.5 MB in the end (delta: 133.7 MB). Peak memory consumption was 133.7 MB. Max. memory is 11.5 GB. * Witness Printer took 172.42 ms. Allocated memory is still 1.2 GB. Free memory was 902.5 MB in the beginning and 889.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 920]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 920]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 920]: 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: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 672]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 651]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 631]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 109 locations, 3 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 429 SDtfs, 388 SDslu, 363 SDs, 0 SdLazy, 62 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=0, 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, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 85 NumberOfFragments, 155 HoareAnnotationTreeSize, 44 FomulaSimplifications, 1187 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 147 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 4905 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...