./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product06.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_spec4_product06.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 b261f373c94d4201e773fd055c7f1efffffc1032 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:22:24,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:22:24,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:22:24,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:22:24,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:22:24,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:22:24,722 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:22:24,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:22:24,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:22:24,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:22:24,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:22:24,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:22:24,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:22:24,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:22:24,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:22:24,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:22:24,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:22:24,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:22:24,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:22:24,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:22:24,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:22:24,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:22:24,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:22:24,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:22:24,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:22:24,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:22:24,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:22:24,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:22:24,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:22:24,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:22:24,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:22:24,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:22:24,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:22:24,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:22:24,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:22:24,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:22:24,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:22:24,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:22:24,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:22:24,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:22:24,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:22:24,784 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:22:24,814 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:22:24,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:22:24,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:22:24,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:22:24,818 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:22:24,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:22:24,818 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:22:24,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:22:24,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:22:24,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:22:24,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:22:24,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:22:24,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:22:24,821 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:22:24,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:22:24,821 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:22:24,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:22:24,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:22:24,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:22:24,822 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:22:24,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:22:24,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:22:24,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:22:24,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:22:24,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:22:24,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:22:24,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:22:24,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:22:24,824 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 -> b261f373c94d4201e773fd055c7f1efffffc1032 [2019-11-28 00:22:25,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:22:25,136 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:22:25,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:22:25,142 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:22:25,143 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:22:25,144 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2019-11-28 00:22:25,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a348f53/28609a83ecaa4ef2accdd56535e9a7bf/FLAGc428c7344 [2019-11-28 00:22:25,763 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:22:25,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2019-11-28 00:22:25,783 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a348f53/28609a83ecaa4ef2accdd56535e9a7bf/FLAGc428c7344 [2019-11-28 00:22:26,071 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15a348f53/28609a83ecaa4ef2accdd56535e9a7bf [2019-11-28 00:22:26,075 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:22:26,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:22:26,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:22:26,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:22:26,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:22:26,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:26" (1/1) ... [2019-11-28 00:22:26,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd431ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:26, skipping insertion in model container [2019-11-28 00:22:26,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:22:26" (1/1) ... [2019-11-28 00:22:26,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:22:26,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:22:26,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:22:26,546 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:22:26,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:22:26,679 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:22:26,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:26 WrapperNode [2019-11-28 00:22:26,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:22:26,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:22:26,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:22:26,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:22:26,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:26" (1/1) ... [2019-11-28 00:22:26,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:26" (1/1) ... [2019-11-28 00:22:26,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:22:26,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:22:26,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:22:26,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:22:26,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:26" (1/1) ... [2019-11-28 00:22:26,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:26" (1/1) ... [2019-11-28 00:22:26,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:26" (1/1) ... [2019-11-28 00:22:26,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:26" (1/1) ... [2019-11-28 00:22:26,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:26" (1/1) ... [2019-11-28 00:22:26,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:26" (1/1) ... [2019-11-28 00:22:26,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:26" (1/1) ... [2019-11-28 00:22:26,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:22:26,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:22:26,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:22:26,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:22:26,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:26" (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 00:22:26,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:22:26,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:22:26,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:22:26,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:22:27,605 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:22:27,606 INFO L297 CfgBuilder]: Removed 98 assume(true) statements. [2019-11-28 00:22:27,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:27 BoogieIcfgContainer [2019-11-28 00:22:27,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:22:27,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:22:27,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:22:27,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:22:27,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:22:26" (1/3) ... [2019-11-28 00:22:27,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc96cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:22:27, skipping insertion in model container [2019-11-28 00:22:27,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:22:26" (2/3) ... [2019-11-28 00:22:27,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc96cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:22:27, skipping insertion in model container [2019-11-28 00:22:27,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:27" (3/3) ... [2019-11-28 00:22:27,619 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2019-11-28 00:22:27,629 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:22:27,637 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:22:27,647 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:22:27,670 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:22:27,670 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:22:27,670 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:22:27,670 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:22:27,671 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:22:27,671 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:22:27,671 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:22:27,671 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:22:27,686 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-11-28 00:22:27,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 00:22:27,694 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:27,695 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:27,695 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:27,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:27,700 INFO L82 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2019-11-28 00:22:27,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:27,708 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940069090] [2019-11-28 00:22:27,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:28,034 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 00:22:28,035 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940069090] [2019-11-28 00:22:28,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:28,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:22:28,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400576656] [2019-11-28 00:22:28,046 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:22:28,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:28,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:22:28,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:22:28,065 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-11-28 00:22:28,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:28,110 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2019-11-28 00:22:28,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:22:28,112 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 00:22:28,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:28,129 INFO L225 Difference]: With dead ends: 132 [2019-11-28 00:22:28,129 INFO L226 Difference]: Without dead ends: 65 [2019-11-28 00:22:28,137 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 00:22:28,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-28 00:22:28,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-28 00:22:28,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-28 00:22:28,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-11-28 00:22:28,198 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2019-11-28 00:22:28,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:28,199 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-28 00:22:28,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:22:28,199 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2019-11-28 00:22:28,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 00:22:28,202 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:28,202 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:28,203 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:28,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:28,203 INFO L82 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2019-11-28 00:22:28,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:28,204 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424154526] [2019-11-28 00:22:28,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:28,325 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 00:22:28,326 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424154526] [2019-11-28 00:22:28,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:28,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:22:28,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342557046] [2019-11-28 00:22:28,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:22:28,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:28,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:22:28,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:28,330 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2019-11-28 00:22:28,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:28,346 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2019-11-28 00:22:28,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:22:28,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 00:22:28,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:28,351 INFO L225 Difference]: With dead ends: 65 [2019-11-28 00:22:28,352 INFO L226 Difference]: Without dead ends: 31 [2019-11-28 00:22:28,353 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 00:22:28,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-28 00:22:28,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-11-28 00:22:28,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-28 00:22:28,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2019-11-28 00:22:28,363 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2019-11-28 00:22:28,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:28,363 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2019-11-28 00:22:28,363 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:22:28,363 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-11-28 00:22:28,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 00:22:28,364 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:28,365 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:28,365 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:28,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:28,365 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2019-11-28 00:22:28,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:28,366 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326384554] [2019-11-28 00:22:28,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:28,504 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 00:22:28,505 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326384554] [2019-11-28 00:22:28,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:28,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:22:28,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315787796] [2019-11-28 00:22:28,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:22:28,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:28,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:22:28,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:22:28,507 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 5 states. [2019-11-28 00:22:28,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:28,582 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2019-11-28 00:22:28,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:22:28,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-11-28 00:22:28,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:28,584 INFO L225 Difference]: With dead ends: 56 [2019-11-28 00:22:28,584 INFO L226 Difference]: Without dead ends: 31 [2019-11-28 00:22:28,585 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:22:28,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-28 00:22:28,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-11-28 00:22:28,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-11-28 00:22:28,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2019-11-28 00:22:28,594 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2019-11-28 00:22:28,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:28,595 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2019-11-28 00:22:28,600 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:22:28,601 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2019-11-28 00:22:28,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-28 00:22:28,602 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:28,602 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] [2019-11-28 00:22:28,602 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:28,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:28,603 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2019-11-28 00:22:28,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:28,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127944012] [2019-11-28 00:22:28,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:28,740 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 00:22:28,741 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127944012] [2019-11-28 00:22:28,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:28,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 00:22:28,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961420836] [2019-11-28 00:22:28,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 00:22:28,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:28,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 00:22:28,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:22:28,744 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 8 states. [2019-11-28 00:22:29,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:29,069 INFO L93 Difference]: Finished difference Result 178 states and 266 transitions. [2019-11-28 00:22:29,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 00:22:29,070 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-11-28 00:22:29,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:29,072 INFO L225 Difference]: With dead ends: 178 [2019-11-28 00:22:29,072 INFO L226 Difference]: Without dead ends: 153 [2019-11-28 00:22:29,076 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-11-28 00:22:29,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-11-28 00:22:29,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 72. [2019-11-28 00:22:29,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2019-11-28 00:22:29,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2019-11-28 00:22:29,097 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 23 [2019-11-28 00:22:29,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:29,099 INFO L462 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2019-11-28 00:22:29,099 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 00:22:29,099 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2019-11-28 00:22:29,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:22:29,101 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:29,101 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 00:22:29,102 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:29,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:29,102 INFO L82 PathProgramCache]: Analyzing trace with hash -184875712, now seen corresponding path program 1 times [2019-11-28 00:22:29,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:29,103 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730657913] [2019-11-28 00:22:29,103 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:29,151 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 00:22:29,151 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730657913] [2019-11-28 00:22:29,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:29,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:22:29,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11537633] [2019-11-28 00:22:29,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:22:29,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:29,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:22:29,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:29,154 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand 3 states. [2019-11-28 00:22:29,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:29,169 INFO L93 Difference]: Finished difference Result 126 states and 177 transitions. [2019-11-28 00:22:29,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:22:29,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 00:22:29,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:29,171 INFO L225 Difference]: With dead ends: 126 [2019-11-28 00:22:29,172 INFO L226 Difference]: Without dead ends: 60 [2019-11-28 00:22:29,172 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:22:29,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-11-28 00:22:29,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2019-11-28 00:22:29,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-11-28 00:22:29,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 77 transitions. [2019-11-28 00:22:29,184 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 77 transitions. Word has length 24 [2019-11-28 00:22:29,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:29,184 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 77 transitions. [2019-11-28 00:22:29,184 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:22:29,185 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-11-28 00:22:29,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-28 00:22:29,186 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:22:29,187 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:22:29,187 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:22:29,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:22:29,188 INFO L82 PathProgramCache]: Analyzing trace with hash 211192125, now seen corresponding path program 1 times [2019-11-28 00:22:29,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:22:29,189 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57483399] [2019-11-28 00:22:29,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:22:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:22:29,260 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-28 00:22:29,261 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57483399] [2019-11-28 00:22:29,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:22:29,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:22:29,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616804461] [2019-11-28 00:22:29,262 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:22:29,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:22:29,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:22:29,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:22:29,263 INFO L87 Difference]: Start difference. First operand 60 states and 77 transitions. Second operand 5 states. [2019-11-28 00:22:29,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:22:29,321 INFO L93 Difference]: Finished difference Result 118 states and 157 transitions. [2019-11-28 00:22:29,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:22:29,322 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-11-28 00:22:29,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:22:29,322 INFO L225 Difference]: With dead ends: 118 [2019-11-28 00:22:29,323 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:22:29,324 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 00:22:29,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:22:29,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:22:29,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:22:29,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:22:29,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2019-11-28 00:22:29,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:22:29,325 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:22:29,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:22:29,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:22:29,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:22:29,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:22:29,659 INFO L246 CegarLoopResult]: For program point L448(lines 448 452) no Hoare annotation was computed. [2019-11-28 00:22:29,659 INFO L242 CegarLoopResult]: At program point L448-2(lines 266 272) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:29,659 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2019-11-28 00:22:29,659 INFO L242 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: false [2019-11-28 00:22:29,660 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:22:29,660 INFO L246 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2019-11-28 00:22:29,660 INFO L242 CegarLoopResult]: At program point L103(lines 99 105) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ULTIMATE.start_main_~tmp~0) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-28 00:22:29,661 INFO L242 CegarLoopResult]: At program point L863(lines 858 866) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-28 00:22:29,661 INFO L242 CegarLoopResult]: At program point L351(lines 346 354) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:29,661 INFO L242 CegarLoopResult]: At program point L351-1(lines 346 354) the Hoare annotation is: false [2019-11-28 00:22:29,661 INFO L242 CegarLoopResult]: At program point L351-2(lines 346 354) the Hoare annotation is: false [2019-11-28 00:22:29,661 INFO L246 CegarLoopResult]: For program point L302(lines 302 310) no Hoare annotation was computed. [2019-11-28 00:22:29,661 INFO L246 CegarLoopResult]: For program point L302-1(lines 302 310) no Hoare annotation was computed. [2019-11-28 00:22:29,662 INFO L246 CegarLoopResult]: For program point L302-2(lines 302 310) no Hoare annotation was computed. [2019-11-28 00:22:29,662 INFO L246 CegarLoopResult]: For program point L154(lines 154 158) no Hoare annotation was computed. [2019-11-28 00:22:29,662 INFO L246 CegarLoopResult]: For program point L154-3(lines 154 158) no Hoare annotation was computed. [2019-11-28 00:22:29,662 INFO L246 CegarLoopResult]: For program point L154-6(lines 154 158) no Hoare annotation was computed. [2019-11-28 00:22:29,662 INFO L246 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-28 00:22:29,662 INFO L246 CegarLoopResult]: For program point L56-1(lines 266 272) no Hoare annotation was computed. [2019-11-28 00:22:29,663 INFO L246 CegarLoopResult]: For program point L238(lines 238 251) no Hoare annotation was computed. [2019-11-28 00:22:29,664 INFO L242 CegarLoopResult]: At program point L238-1(lines 1 875) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:29,664 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 251) no Hoare annotation was computed. [2019-11-28 00:22:29,664 INFO L242 CegarLoopResult]: At program point L238-3(lines 1 875) the Hoare annotation is: false [2019-11-28 00:22:29,664 INFO L249 CegarLoopResult]: At program point L139(lines 120 142) the Hoare annotation is: true [2019-11-28 00:22:29,665 INFO L246 CegarLoopResult]: For program point L238-4(lines 238 251) no Hoare annotation was computed. [2019-11-28 00:22:29,665 INFO L242 CegarLoopResult]: At program point L238-5(lines 1 875) the Hoare annotation is: false [2019-11-28 00:22:29,665 INFO L246 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2019-11-28 00:22:29,665 INFO L242 CegarLoopResult]: At program point L420-1(lines 420 426) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:29,666 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:22:29,666 INFO L242 CegarLoopResult]: At program point L223(lines 218 226) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:29,666 INFO L242 CegarLoopResult]: At program point L223-1(lines 218 226) the Hoare annotation is: false [2019-11-28 00:22:29,666 INFO L242 CegarLoopResult]: At program point L223-2(lines 218 226) the Hoare annotation is: false [2019-11-28 00:22:29,667 INFO L242 CegarLoopResult]: At program point L273(lines 273 279) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:29,667 INFO L242 CegarLoopResult]: At program point L273-1(lines 273 279) the Hoare annotation is: false [2019-11-28 00:22:29,667 INFO L242 CegarLoopResult]: At program point L273-2(lines 273 279) the Hoare annotation is: false [2019-11-28 00:22:29,667 INFO L242 CegarLoopResult]: At program point L191(lines 186 194) the Hoare annotation is: false [2019-11-28 00:22:29,668 INFO L242 CegarLoopResult]: At program point L191-1(lines 186 194) the Hoare annotation is: false [2019-11-28 00:22:29,668 INFO L242 CegarLoopResult]: At program point L191-2(lines 186 194) the Hoare annotation is: false [2019-11-28 00:22:29,668 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2019-11-28 00:22:29,669 INFO L246 CegarLoopResult]: For program point L440(lines 440 453) no Hoare annotation was computed. [2019-11-28 00:22:29,669 INFO L246 CegarLoopResult]: For program point L242(lines 242 248) no Hoare annotation was computed. [2019-11-28 00:22:29,669 INFO L246 CegarLoopResult]: For program point L242-2(lines 242 248) no Hoare annotation was computed. [2019-11-28 00:22:29,669 INFO L246 CegarLoopResult]: For program point L242-4(lines 242 248) no Hoare annotation was computed. [2019-11-28 00:22:29,669 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:22:29,670 INFO L242 CegarLoopResult]: At program point L342(lines 335 345) the Hoare annotation is: false [2019-11-28 00:22:29,670 INFO L242 CegarLoopResult]: At program point L342-1(lines 335 345) the Hoare annotation is: false [2019-11-28 00:22:29,670 INFO L242 CegarLoopResult]: At program point L342-2(lines 335 345) the Hoare annotation is: false [2019-11-28 00:22:29,671 INFO L242 CegarLoopResult]: At program point L458(lines 409 459) the Hoare annotation is: false [2019-11-28 00:22:29,671 INFO L242 CegarLoopResult]: At program point L855(lines 1 875) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2019-11-28 00:22:29,671 INFO L246 CegarLoopResult]: For program point L178(lines 178 182) no Hoare annotation was computed. [2019-11-28 00:22:29,671 INFO L246 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2019-11-28 00:22:29,672 INFO L246 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2019-11-28 00:22:29,672 INFO L246 CegarLoopResult]: For program point L872-2(line 872) no Hoare annotation was computed. [2019-11-28 00:22:29,672 INFO L246 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-11-28 00:22:29,672 INFO L249 CegarLoopResult]: At program point L130-1(lines 130 137) the Hoare annotation is: true [2019-11-28 00:22:29,673 INFO L246 CegarLoopResult]: For program point L411(lines 410 457) no Hoare annotation was computed. [2019-11-28 00:22:29,673 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:22:29,673 INFO L246 CegarLoopResult]: For program point L412(lines 412 416) no Hoare annotation was computed. [2019-11-28 00:22:29,673 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2019-11-28 00:22:29,674 INFO L246 CegarLoopResult]: For program point L430(lines 430 436) no Hoare annotation was computed. [2019-11-28 00:22:29,674 INFO L242 CegarLoopResult]: At program point L430-1(lines 430 436) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:29,674 INFO L246 CegarLoopResult]: For program point L298(lines 298 315) no Hoare annotation was computed. [2019-11-28 00:22:29,674 INFO L246 CegarLoopResult]: For program point L298-1(lines 298 315) no Hoare annotation was computed. [2019-11-28 00:22:29,675 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 315) no Hoare annotation was computed. [2019-11-28 00:22:29,675 INFO L246 CegarLoopResult]: For program point L166(lines 166 170) no Hoare annotation was computed. [2019-11-28 00:22:29,675 INFO L242 CegarLoopResult]: At program point L266(lines 265 284) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:22:29,675 INFO L246 CegarLoopResult]: For program point L266-1(lines 266 272) no Hoare annotation was computed. [2019-11-28 00:22:29,676 INFO L242 CegarLoopResult]: At program point L266-2(lines 265 284) the Hoare annotation is: false [2019-11-28 00:22:29,676 INFO L242 CegarLoopResult]: At program point L266-3(lines 265 284) the Hoare annotation is: false [2019-11-28 00:22:29,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:22:29 BoogieIcfgContainer [2019-11-28 00:22:29,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:22:29,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:22:29,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:22:29,701 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:22:29,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:22:27" (3/4) ... [2019-11-28 00:22:29,705 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:22:29,722 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:22:29,723 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:22:29,724 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:22:29,725 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:22:29,725 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:22:29,726 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:29,727 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:22:29,759 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-28 00:22:29,759 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && 1 == tmp) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive) [2019-11-28 00:22:29,759 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 00:22:29,760 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 00:22:29,761 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 00:22:29,761 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 00:22:29,761 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 00:22:29,762 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 00:22:29,763 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 00:22:29,764 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 00:22:29,839 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:22:29,839 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:22:29,842 INFO L168 Benchmark]: Toolchain (without parser) took 3765.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 953.6 MB in the beginning and 881.1 MB in the end (delta: 72.6 MB). Peak memory consumption was 216.2 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:29,842 INFO L168 Benchmark]: CDTParser took 0.21 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 00:22:29,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 953.6 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:29,843 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.13 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:29,843 INFO L168 Benchmark]: Boogie Preprocessor took 37.35 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 00:22:29,844 INFO L168 Benchmark]: RCFGBuilder took 819.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:29,844 INFO L168 Benchmark]: TraceAbstraction took 2090.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.7 MB in the end (delta: 173.5 MB). Peak memory consumption was 173.5 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:29,844 INFO L168 Benchmark]: Witness Printer took 139.33 ms. Allocated memory is still 1.2 GB. Free memory was 887.7 MB in the beginning and 881.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:22:29,846 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 603.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 953.6 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.13 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.35 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 819.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.5 MB). Peak memory consumption was 57.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2090.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.7 MB in the end (delta: 173.5 MB). Peak memory consumption was 173.5 MB. Max. memory is 11.5 GB. * Witness Printer took 139.33 ms. Allocated memory is still 1.2 GB. Free memory was 887.7 MB in the beginning and 881.1 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: - PositiveResult [Line: 872]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 872]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 872]: 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: 420]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == waterLevel && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 273]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((\result == waterLevel && 1 == tmp) && tmp == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((\result == waterLevel && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive) - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: ((((\result == 1 && \result == 0) && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((\result == 1 && 1 == tmp) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Result: SAFE, OverallTime: 1.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 312 SDtfs, 521 SDslu, 392 SDs, 0 SdLazy, 101 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 81 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 80 NumberOfFragments, 201 HoareAnnotationTreeSize, 31 FomulaSimplifications, 2583 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 8275 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 15/15 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...