./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab 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_spec3_product28.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 bccdbc1fe3b58d50f3d739d9520ef3bab8ad5778 ................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:21:47,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:21:47,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:21:47,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:21:47,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:21:47,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:21:47,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:21:47,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:21:47,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:21:47,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:21:47,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:21:47,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:21:47,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:21:47,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:21:47,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:21:47,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:21:47,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:21:47,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:21:47,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:21:47,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:21:47,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:21:47,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:21:47,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:21:47,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:21:47,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:21:47,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:21:47,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:21:47,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:21:47,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:21:47,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:21:47,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:21:47,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:21:47,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:21:47,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:21:47,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:21:47,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:21:47,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:21:47,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:21:47,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:21:47,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:21:47,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:21:47,775 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:21:47,800 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:21:47,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:21:47,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:21:47,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:21:47,802 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:21:47,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:21:47,803 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:21:47,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:21:47,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:21:47,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:21:47,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:21:47,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:21:47,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:21:47,806 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:21:47,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:21:47,806 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:21:47,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:21:47,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:21:47,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:21:47,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:21:47,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:21:47,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:21:47,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:21:47,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:21:47,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:21:47,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:21:47,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:21:47,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:21:47,809 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 -> bccdbc1fe3b58d50f3d739d9520ef3bab8ad5778 [2019-11-28 00:21:48,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:21:48,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:21:48,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:21:48,130 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:21:48,130 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:21:48,131 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2019-11-28 00:21:48,212 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad553bd04/03a49fc354bf436fb9cb942e19005f85/FLAG04918cf0a [2019-11-28 00:21:48,770 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:21:48,771 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2019-11-28 00:21:48,785 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad553bd04/03a49fc354bf436fb9cb942e19005f85/FLAG04918cf0a [2019-11-28 00:21:49,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad553bd04/03a49fc354bf436fb9cb942e19005f85 [2019-11-28 00:21:49,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:21:49,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:21:49,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:49,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:21:49,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:21:49,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:49" (1/1) ... [2019-11-28 00:21:49,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@222954e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:49, skipping insertion in model container [2019-11-28 00:21:49,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:49" (1/1) ... [2019-11-28 00:21:49,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:21:49,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:21:49,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:49,571 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:21:49,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:49,767 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:21:49,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:49 WrapperNode [2019-11-28 00:21:49,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:49,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:49,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:21:49,770 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:21:49,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:49" (1/1) ... [2019-11-28 00:21:49,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:49" (1/1) ... [2019-11-28 00:21:49,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:49,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:21:49,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:21:49,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:21:49,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:49" (1/1) ... [2019-11-28 00:21:49,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:49" (1/1) ... [2019-11-28 00:21:49,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:49" (1/1) ... [2019-11-28 00:21:49,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:49" (1/1) ... [2019-11-28 00:21:49,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:49" (1/1) ... [2019-11-28 00:21:49,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:49" (1/1) ... [2019-11-28 00:21:49,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:49" (1/1) ... [2019-11-28 00:21:49,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:21:49,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:21:49,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:21:49,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:21:49,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:49" (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 00:21:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:21:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:21:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:21:49,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:21:50,790 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:21:50,791 INFO L297 CfgBuilder]: Removed 108 assume(true) statements. [2019-11-28 00:21:50,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:50 BoogieIcfgContainer [2019-11-28 00:21:50,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:21:50,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:21:50,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:21:50,796 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:21:50,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:21:49" (1/3) ... [2019-11-28 00:21:50,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541cd925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:50, skipping insertion in model container [2019-11-28 00:21:50,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:49" (2/3) ... [2019-11-28 00:21:50,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541cd925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:50, skipping insertion in model container [2019-11-28 00:21:50,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:50" (3/3) ... [2019-11-28 00:21:50,799 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product28.cil.c [2019-11-28 00:21:50,810 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:21:50,816 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:21:50,826 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:21:50,852 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:21:50,852 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:21:50,852 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:21:50,852 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:21:50,853 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:21:50,853 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:21:50,853 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:21:50,853 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:21:50,870 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2019-11-28 00:21:50,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 00:21:50,877 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:50,878 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 00:21:50,878 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:50,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:50,883 INFO L82 PathProgramCache]: Analyzing trace with hash -93315333, now seen corresponding path program 1 times [2019-11-28 00:21:50,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:50,891 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901870940] [2019-11-28 00:21:50,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:51,174 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 00:21:51,176 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901870940] [2019-11-28 00:21:51,177 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:51,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:51,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938333175] [2019-11-28 00:21:51,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:21:51,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:51,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:21:51,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:21:51,204 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 2 states. [2019-11-28 00:21:51,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:51,232 INFO L93 Difference]: Finished difference Result 160 states and 239 transitions. [2019-11-28 00:21:51,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:21:51,233 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 00:21:51,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:51,246 INFO L225 Difference]: With dead ends: 160 [2019-11-28 00:21:51,247 INFO L226 Difference]: Without dead ends: 79 [2019-11-28 00:21:51,251 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 00:21:51,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-11-28 00:21:51,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2019-11-28 00:21:51,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2019-11-28 00:21:51,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 111 transitions. [2019-11-28 00:21:51,298 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 111 transitions. Word has length 18 [2019-11-28 00:21:51,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:51,299 INFO L462 AbstractCegarLoop]: Abstraction has 79 states and 111 transitions. [2019-11-28 00:21:51,299 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:21:51,299 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2019-11-28 00:21:51,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:21:51,301 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:51,301 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 00:21:51,301 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:51,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:51,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1004346086, now seen corresponding path program 1 times [2019-11-28 00:21:51,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:51,302 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234738531] [2019-11-28 00:21:51,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:51,434 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 00:21:51,435 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234738531] [2019-11-28 00:21:51,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:51,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:51,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024139420] [2019-11-28 00:21:51,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:51,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:51,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:51,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:51,439 INFO L87 Difference]: Start difference. First operand 79 states and 111 transitions. Second operand 3 states. [2019-11-28 00:21:51,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:51,452 INFO L93 Difference]: Finished difference Result 79 states and 111 transitions. [2019-11-28 00:21:51,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:51,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 00:21:51,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:51,454 INFO L225 Difference]: With dead ends: 79 [2019-11-28 00:21:51,455 INFO L226 Difference]: Without dead ends: 37 [2019-11-28 00:21:51,456 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 00:21:51,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-28 00:21:51,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-11-28 00:21:51,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-28 00:21:51,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2019-11-28 00:21:51,464 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2019-11-28 00:21:51,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:51,465 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2019-11-28 00:21:51,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:51,465 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2019-11-28 00:21:51,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:21:51,466 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:51,467 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 00:21:51,467 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:51,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:51,468 INFO L82 PathProgramCache]: Analyzing trace with hash 2100491951, now seen corresponding path program 1 times [2019-11-28 00:21:51,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:51,469 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412147412] [2019-11-28 00:21:51,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:51,606 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 00:21:51,606 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412147412] [2019-11-28 00:21:51,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:51,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:51,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659055298] [2019-11-28 00:21:51,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:51,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:51,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:51,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:51,611 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2019-11-28 00:21:51,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:51,663 INFO L93 Difference]: Finished difference Result 99 states and 144 transitions. [2019-11-28 00:21:51,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:51,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 00:21:51,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:51,670 INFO L225 Difference]: With dead ends: 99 [2019-11-28 00:21:51,670 INFO L226 Difference]: Without dead ends: 68 [2019-11-28 00:21:51,672 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 00:21:51,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-11-28 00:21:51,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2019-11-28 00:21:51,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-11-28 00:21:51,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2019-11-28 00:21:51,696 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 24 [2019-11-28 00:21:51,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:51,697 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2019-11-28 00:21:51,698 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:51,698 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2019-11-28 00:21:51,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 00:21:51,700 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:51,700 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 00:21:51,701 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:51,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:51,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1826320204, now seen corresponding path program 1 times [2019-11-28 00:21:51,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:51,703 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048563568] [2019-11-28 00:21:51,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:51,830 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 00:21:51,830 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048563568] [2019-11-28 00:21:51,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:51,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:51,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112709968] [2019-11-28 00:21:51,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:51,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:51,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:51,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:51,833 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand 5 states. [2019-11-28 00:21:51,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:51,974 INFO L93 Difference]: Finished difference Result 348 states and 530 transitions. [2019-11-28 00:21:51,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 00:21:51,976 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-28 00:21:51,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:51,979 INFO L225 Difference]: With dead ends: 348 [2019-11-28 00:21:51,979 INFO L226 Difference]: Without dead ends: 290 [2019-11-28 00:21:51,981 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:21:51,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2019-11-28 00:21:52,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 116. [2019-11-28 00:21:52,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-11-28 00:21:52,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 167 transitions. [2019-11-28 00:21:52,005 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 167 transitions. Word has length 25 [2019-11-28 00:21:52,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:52,006 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 167 transitions. [2019-11-28 00:21:52,006 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:52,007 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 167 transitions. [2019-11-28 00:21:52,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:21:52,008 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:52,009 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 00:21:52,009 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:52,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:52,010 INFO L82 PathProgramCache]: Analyzing trace with hash 509338102, now seen corresponding path program 1 times [2019-11-28 00:21:52,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:52,010 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602252054] [2019-11-28 00:21:52,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 00:21:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 00:21:52,179 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 00:21:52,179 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 00:21:52,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:21:52 BoogieIcfgContainer [2019-11-28 00:21:52,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:21:52,312 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:21:52,312 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:21:52,313 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:21:52,313 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:50" (3/4) ... [2019-11-28 00:21:52,316 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 00:21:52,409 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:21:52,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:21:52,412 INFO L168 Benchmark]: Toolchain (without parser) took 3324.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 960.4 MB in the beginning and 953.5 MB in the end (delta: 6.9 MB). Peak memory consumption was 154.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:52,413 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:21:52,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -170.4 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:52,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.70 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 00:21:52,415 INFO L168 Benchmark]: Boogie Preprocessor took 41.42 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 00:21:52,415 INFO L168 Benchmark]: RCFGBuilder took 886.19 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: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:52,416 INFO L168 Benchmark]: TraceAbstraction took 1518.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 960.1 MB in the end (delta: 105.4 MB). Peak memory consumption was 105.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:52,417 INFO L168 Benchmark]: Witness Printer took 97.11 ms. Allocated memory is still 1.2 GB. Free memory was 960.1 MB in the beginning and 953.5 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:52,420 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 678.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -170.4 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.70 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 41.42 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 886.19 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: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1518.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 960.1 MB in the end (delta: 105.4 MB). Peak memory consumption was 105.4 MB. Max. memory is 11.5 GB. * Witness Printer took 97.11 ms. Allocated memory is still 1.2 GB. Free memory was 960.1 MB in the beginning and 953.5 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 545]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L89] int pumpRunning = 0; [L90] int systemActive = 1; [L356] int waterLevel = 1; [L357] int methaneLevelCritical = 0; [L445] int cleanupTimeShifts = 4; [L753] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L518] int retValue_acc ; [L519] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L525] tmp = valid_product() [L527] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L287] int splverifierCounter ; [L288] int tmp ; [L289] int tmp___0 ; [L290] int tmp___1 ; [L291] int tmp___2 ; [L294] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L296] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L298] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L304] tmp = __VERIFIER_nondet_int() [L306] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L374] COND TRUE waterLevel < 2 [L375] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L314] tmp___0 = __VERIFIER_nondet_int() [L316] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L324] tmp___2 = __VERIFIER_nondet_int() [L326] COND TRUE \read(tmp___2) [L278] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L97] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L104] COND TRUE \read(systemActive) [L126] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L129] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L551] int tmp ; [L552] int tmp___0 ; [L553] int tmp___1 ; [L395] int retValue_acc ; [L398] retValue_acc = methaneLevelCritical [L399] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L557] tmp = isMethaneLevelCritical() [L559] COND FALSE !(\read(tmp)) [L427] int retValue_acc ; [L430] retValue_acc = waterLevel [L431] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L563] tmp___0 = getWaterLevel() [L565] COND TRUE tmp___0 == 2 [L196] int retValue_acc ; [L199] retValue_acc = pumpRunning [L200] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L567] tmp___1 = isPumpRunning() [L569] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L545] __VERIFIER_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 83 locations, 3 error locations. Result: UNSAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 299 SDtfs, 311 SDslu, 245 SDs, 0 SdLazy, 46 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 4 MinimizatonAttempts, 178 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 2890 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 incorrect! Received shutdown request...