./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product52.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 ac98b61700c421642ba0cea32b1043bdcac0ece8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:27:04,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:27:04,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:27:04,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:27:04,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:27:04,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:27:04,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:27:04,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:27:04,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:27:04,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:27:04,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:27:04,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:27:04,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:27:04,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:27:04,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:27:04,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:27:04,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:27:04,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:27:04,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:27:04,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:27:04,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:27:04,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:27:04,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:27:04,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:27:04,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:27:04,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:27:04,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:27:04,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:27:04,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:27:04,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:27:04,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:27:04,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:27:04,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:27:04,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:27:04,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:27:04,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:27:04,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:27:04,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:27:04,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:27:04,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:27:04,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:27:04,789 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:27:04,803 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:27:04,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:27:04,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:27:04,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:27:04,805 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:27:04,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:27:04,806 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:27:04,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:27:04,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:27:04,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:27:04,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:27:04,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:27:04,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:27:04,807 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:27:04,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:27:04,808 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:27:04,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:27:04,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:27:04,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:27:04,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:27:04,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:27:04,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:27:04,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:27:04,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:27:04,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:27:04,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:27:04,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:27:04,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:27:04,811 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:27:04,811 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 -> ac98b61700c421642ba0cea32b1043bdcac0ece8 [2019-11-28 17:27:05,178 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:27:05,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:27:05,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:27:05,208 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:27:05,209 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:27:05,210 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2019-11-28 17:27:05,281 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8905530e1/a86a0efeb9ca47d8a41fa52fe21d2f85/FLAG2ef629508 [2019-11-28 17:27:05,785 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:27:05,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2019-11-28 17:27:05,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8905530e1/a86a0efeb9ca47d8a41fa52fe21d2f85/FLAG2ef629508 [2019-11-28 17:27:06,082 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8905530e1/a86a0efeb9ca47d8a41fa52fe21d2f85 [2019-11-28 17:27:06,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:27:06,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:27:06,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:27:06,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:27:06,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:27:06,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:27:06" (1/1) ... [2019-11-28 17:27:06,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d0e939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:06, skipping insertion in model container [2019-11-28 17:27:06,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:27:06" (1/1) ... [2019-11-28 17:27:06,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:27:06,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:27:06,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:27:06,562 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:27:06,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:27:06,707 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:27:06,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:06 WrapperNode [2019-11-28 17:27:06,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:27:06,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:27:06,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:27:06,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:27:06,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:06" (1/1) ... [2019-11-28 17:27:06,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:06" (1/1) ... [2019-11-28 17:27:06,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:27:06,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:27:06,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:27:06,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:27:06,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:06" (1/1) ... [2019-11-28 17:27:06,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:06" (1/1) ... [2019-11-28 17:27:06,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:06" (1/1) ... [2019-11-28 17:27:06,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:06" (1/1) ... [2019-11-28 17:27:06,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:06" (1/1) ... [2019-11-28 17:27:06,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:06" (1/1) ... [2019-11-28 17:27:06,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:06" (1/1) ... [2019-11-28 17:27:06,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:27:06,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:27:06,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:27:06,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:27:06,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:27:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:27:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:27:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:27:06,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:27:08,020 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:27:08,020 INFO L287 CfgBuilder]: Removed 162 assume(true) statements. [2019-11-28 17:27:08,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:08 BoogieIcfgContainer [2019-11-28 17:27:08,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:27:08,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:27:08,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:27:08,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:27:08,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:27:06" (1/3) ... [2019-11-28 17:27:08,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545f9726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:27:08, skipping insertion in model container [2019-11-28 17:27:08,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:06" (2/3) ... [2019-11-28 17:27:08,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545f9726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:27:08, skipping insertion in model container [2019-11-28 17:27:08,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:08" (3/3) ... [2019-11-28 17:27:08,034 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product52.cil.c [2019-11-28 17:27:08,047 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:27:08,056 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:27:08,070 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:27:08,105 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:27:08,106 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:27:08,106 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:27:08,107 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:27:08,108 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:27:08,108 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:27:08,109 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:27:08,109 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:27:08,135 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2019-11-28 17:27:08,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 17:27:08,143 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:08,145 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:08,145 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:08,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:08,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1794729554, now seen corresponding path program 1 times [2019-11-28 17:27:08,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:08,163 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436943685] [2019-11-28 17:27:08,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:08,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:08,470 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436943685] [2019-11-28 17:27:08,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:08,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:08,474 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331968259] [2019-11-28 17:27:08,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:27:08,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:08,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:27:08,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:27:08,504 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2019-11-28 17:27:08,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:08,580 INFO L93 Difference]: Finished difference Result 232 states and 353 transitions. [2019-11-28 17:27:08,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:27:08,582 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 17:27:08,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:08,604 INFO L225 Difference]: With dead ends: 232 [2019-11-28 17:27:08,604 INFO L226 Difference]: Without dead ends: 115 [2019-11-28 17:27:08,612 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:27:08,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-11-28 17:27:08,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-11-28 17:27:08,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-28 17:27:08,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2019-11-28 17:27:08,687 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 16 [2019-11-28 17:27:08,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:08,688 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2019-11-28 17:27:08,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:27:08,690 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2019-11-28 17:27:08,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 17:27:08,693 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:08,694 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:08,694 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:08,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:08,695 INFO L82 PathProgramCache]: Analyzing trace with hash 529368141, now seen corresponding path program 1 times [2019-11-28 17:27:08,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:08,696 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450439109] [2019-11-28 17:27:08,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:08,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:08,845 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450439109] [2019-11-28 17:27:08,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:08,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:27:08,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049126005] [2019-11-28 17:27:08,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:08,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:08,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:08,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:08,853 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand 3 states. [2019-11-28 17:27:08,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:08,877 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2019-11-28 17:27:08,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:08,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 17:27:08,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:08,881 INFO L225 Difference]: With dead ends: 115 [2019-11-28 17:27:08,882 INFO L226 Difference]: Without dead ends: 49 [2019-11-28 17:27:08,884 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:08,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-28 17:27:08,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-28 17:27:08,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-28 17:27:08,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-11-28 17:27:08,892 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 17 [2019-11-28 17:27:08,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:08,892 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-11-28 17:27:08,892 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:08,893 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-11-28 17:27:08,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 17:27:08,894 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:08,894 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:08,894 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:08,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:08,895 INFO L82 PathProgramCache]: Analyzing trace with hash -2061312917, now seen corresponding path program 1 times [2019-11-28 17:27:08,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:08,896 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219889330] [2019-11-28 17:27:08,896 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:08,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:08,974 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219889330] [2019-11-28 17:27:08,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:08,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:27:08,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960644807] [2019-11-28 17:27:08,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:08,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:08,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:08,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:08,977 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2019-11-28 17:27:09,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:09,033 INFO L93 Difference]: Finished difference Result 135 states and 201 transitions. [2019-11-28 17:27:09,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:09,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-28 17:27:09,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:09,037 INFO L225 Difference]: With dead ends: 135 [2019-11-28 17:27:09,037 INFO L226 Difference]: Without dead ends: 92 [2019-11-28 17:27:09,038 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:09,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-11-28 17:27:09,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 88. [2019-11-28 17:27:09,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-11-28 17:27:09,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 131 transitions. [2019-11-28 17:27:09,058 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 131 transitions. Word has length 22 [2019-11-28 17:27:09,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:09,065 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 131 transitions. [2019-11-28 17:27:09,065 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:09,066 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2019-11-28 17:27:09,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:27:09,067 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:09,068 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:09,068 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:09,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:09,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1499976397, now seen corresponding path program 1 times [2019-11-28 17:27:09,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:09,070 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310338817] [2019-11-28 17:27:09,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:09,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:09,186 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310338817] [2019-11-28 17:27:09,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:09,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:09,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203505577] [2019-11-28 17:27:09,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:09,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:09,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:09,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:09,189 INFO L87 Difference]: Start difference. First operand 88 states and 131 transitions. Second operand 3 states. [2019-11-28 17:27:09,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:09,246 INFO L93 Difference]: Finished difference Result 211 states and 318 transitions. [2019-11-28 17:27:09,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:09,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 17:27:09,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:09,248 INFO L225 Difference]: With dead ends: 211 [2019-11-28 17:27:09,248 INFO L226 Difference]: Without dead ends: 129 [2019-11-28 17:27:09,249 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:09,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-11-28 17:27:09,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2019-11-28 17:27:09,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-11-28 17:27:09,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 185 transitions. [2019-11-28 17:27:09,264 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 185 transitions. Word has length 24 [2019-11-28 17:27:09,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:09,265 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 185 transitions. [2019-11-28 17:27:09,265 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:09,265 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 185 transitions. [2019-11-28 17:27:09,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 17:27:09,267 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:09,267 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:09,267 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:09,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:09,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1678878848, now seen corresponding path program 1 times [2019-11-28 17:27:09,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:09,269 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258804891] [2019-11-28 17:27:09,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:09,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:09,339 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258804891] [2019-11-28 17:27:09,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:09,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:27:09,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015072551] [2019-11-28 17:27:09,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:09,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:09,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:09,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:09,342 INFO L87 Difference]: Start difference. First operand 127 states and 185 transitions. Second operand 5 states. [2019-11-28 17:27:09,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:09,466 INFO L93 Difference]: Finished difference Result 451 states and 663 transitions. [2019-11-28 17:27:09,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:27:09,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-28 17:27:09,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:09,470 INFO L225 Difference]: With dead ends: 451 [2019-11-28 17:27:09,470 INFO L226 Difference]: Without dead ends: 330 [2019-11-28 17:27:09,472 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 17:27:09,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2019-11-28 17:27:09,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 210. [2019-11-28 17:27:09,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-11-28 17:27:09,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 296 transitions. [2019-11-28 17:27:09,497 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 296 transitions. Word has length 25 [2019-11-28 17:27:09,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:09,497 INFO L462 AbstractCegarLoop]: Abstraction has 210 states and 296 transitions. [2019-11-28 17:27:09,497 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:09,498 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 296 transitions. [2019-11-28 17:27:09,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:27:09,499 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:09,499 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:09,500 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:09,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:09,500 INFO L82 PathProgramCache]: Analyzing trace with hash -280430142, now seen corresponding path program 1 times [2019-11-28 17:27:09,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:09,501 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083152172] [2019-11-28 17:27:09,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:09,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:09,567 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083152172] [2019-11-28 17:27:09,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:09,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:27:09,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252343814] [2019-11-28 17:27:09,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:09,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:09,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:09,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:09,570 INFO L87 Difference]: Start difference. First operand 210 states and 296 transitions. Second operand 5 states. [2019-11-28 17:27:09,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:09,744 INFO L93 Difference]: Finished difference Result 450 states and 648 transitions. [2019-11-28 17:27:09,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:27:09,745 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-28 17:27:09,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:09,748 INFO L225 Difference]: With dead ends: 450 [2019-11-28 17:27:09,749 INFO L226 Difference]: Without dead ends: 448 [2019-11-28 17:27:09,750 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:27:09,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2019-11-28 17:27:09,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 210. [2019-11-28 17:27:09,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-11-28 17:27:09,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 294 transitions. [2019-11-28 17:27:09,772 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 294 transitions. Word has length 26 [2019-11-28 17:27:09,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:09,772 INFO L462 AbstractCegarLoop]: Abstraction has 210 states and 294 transitions. [2019-11-28 17:27:09,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:09,773 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 294 transitions. [2019-11-28 17:27:09,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-28 17:27:09,775 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:09,775 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:09,775 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:09,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:09,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1932951004, now seen corresponding path program 1 times [2019-11-28 17:27:09,776 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:09,777 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233391064] [2019-11-28 17:27:09,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:09,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:09,839 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233391064] [2019-11-28 17:27:09,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:09,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:09,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572687174] [2019-11-28 17:27:09,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:09,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:09,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:09,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:09,841 INFO L87 Difference]: Start difference. First operand 210 states and 294 transitions. Second operand 5 states. [2019-11-28 17:27:09,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:09,963 INFO L93 Difference]: Finished difference Result 585 states and 811 transitions. [2019-11-28 17:27:09,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:27:09,963 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-28 17:27:09,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:09,966 INFO L225 Difference]: With dead ends: 585 [2019-11-28 17:27:09,966 INFO L226 Difference]: Without dead ends: 381 [2019-11-28 17:27:09,968 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 17:27:09,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2019-11-28 17:27:09,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 228. [2019-11-28 17:27:09,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2019-11-28 17:27:09,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 312 transitions. [2019-11-28 17:27:09,990 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 312 transitions. Word has length 31 [2019-11-28 17:27:09,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:09,992 INFO L462 AbstractCegarLoop]: Abstraction has 228 states and 312 transitions. [2019-11-28 17:27:09,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:09,992 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 312 transitions. [2019-11-28 17:27:09,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-28 17:27:09,999 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:09,999 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:09,999 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:10,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:10,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1539923994, now seen corresponding path program 1 times [2019-11-28 17:27:10,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:10,001 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763830755] [2019-11-28 17:27:10,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:10,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:10,051 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763830755] [2019-11-28 17:27:10,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:10,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:27:10,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133442999] [2019-11-28 17:27:10,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:27:10,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:10,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:27:10,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:27:10,052 INFO L87 Difference]: Start difference. First operand 228 states and 312 transitions. Second operand 4 states. [2019-11-28 17:27:10,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:10,107 INFO L93 Difference]: Finished difference Result 508 states and 691 transitions. [2019-11-28 17:27:10,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:27:10,108 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-11-28 17:27:10,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:10,110 INFO L225 Difference]: With dead ends: 508 [2019-11-28 17:27:10,110 INFO L226 Difference]: Without dead ends: 286 [2019-11-28 17:27:10,112 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:10,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-11-28 17:27:10,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 197. [2019-11-28 17:27:10,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-11-28 17:27:10,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 264 transitions. [2019-11-28 17:27:10,132 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 264 transitions. Word has length 31 [2019-11-28 17:27:10,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:10,133 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 264 transitions. [2019-11-28 17:27:10,133 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:27:10,133 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 264 transitions. [2019-11-28 17:27:10,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-28 17:27:10,134 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:10,134 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:10,135 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:10,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:10,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1798089432, now seen corresponding path program 1 times [2019-11-28 17:27:10,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:10,136 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377504664] [2019-11-28 17:27:10,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:10,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:10,218 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377504664] [2019-11-28 17:27:10,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:10,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:10,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684278484] [2019-11-28 17:27:10,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:10,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:10,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:10,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:10,221 INFO L87 Difference]: Start difference. First operand 197 states and 264 transitions. Second operand 5 states. [2019-11-28 17:27:10,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:10,449 INFO L93 Difference]: Finished difference Result 761 states and 1046 transitions. [2019-11-28 17:27:10,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:27:10,450 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-28 17:27:10,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:10,454 INFO L225 Difference]: With dead ends: 761 [2019-11-28 17:27:10,454 INFO L226 Difference]: Without dead ends: 620 [2019-11-28 17:27:10,455 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:27:10,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2019-11-28 17:27:10,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 282. [2019-11-28 17:27:10,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-11-28 17:27:10,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 373 transitions. [2019-11-28 17:27:10,491 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 373 transitions. Word has length 31 [2019-11-28 17:27:10,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:10,492 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 373 transitions. [2019-11-28 17:27:10,492 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:10,492 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 373 transitions. [2019-11-28 17:27:10,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-28 17:27:10,494 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:10,495 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:10,495 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:10,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:10,496 INFO L82 PathProgramCache]: Analyzing trace with hash -860512174, now seen corresponding path program 1 times [2019-11-28 17:27:10,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:10,496 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569961094] [2019-11-28 17:27:10,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:10,562 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-28 17:27:10,563 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569961094] [2019-11-28 17:27:10,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:10,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:27:10,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523167707] [2019-11-28 17:27:10,564 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:10,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:10,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:10,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:10,565 INFO L87 Difference]: Start difference. First operand 282 states and 373 transitions. Second operand 3 states. [2019-11-28 17:27:10,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:10,625 INFO L93 Difference]: Finished difference Result 481 states and 636 transitions. [2019-11-28 17:27:10,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:10,625 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2019-11-28 17:27:10,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:10,627 INFO L225 Difference]: With dead ends: 481 [2019-11-28 17:27:10,627 INFO L226 Difference]: Without dead ends: 205 [2019-11-28 17:27:10,628 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:10,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2019-11-28 17:27:10,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 199. [2019-11-28 17:27:10,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2019-11-28 17:27:10,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 260 transitions. [2019-11-28 17:27:10,646 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 260 transitions. Word has length 49 [2019-11-28 17:27:10,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:10,647 INFO L462 AbstractCegarLoop]: Abstraction has 199 states and 260 transitions. [2019-11-28 17:27:10,647 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:10,647 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 260 transitions. [2019-11-28 17:27:10,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-28 17:27:10,648 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:10,648 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:10,649 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:10,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:10,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1573662553, now seen corresponding path program 1 times [2019-11-28 17:27:10,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:10,650 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851791795] [2019-11-28 17:27:10,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:10,731 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:10,731 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851791795] [2019-11-28 17:27:10,732 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089112511] [2019-11-28 17:27:10,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:27:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:10,873 INFO L264 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 17:27:10,882 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:27:10,967 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:10,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:27:10,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2019-11-28 17:27:10,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607031351] [2019-11-28 17:27:10,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-28 17:27:10,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:10,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-28 17:27:10,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:27:10,970 INFO L87 Difference]: Start difference. First operand 199 states and 260 transitions. Second operand 8 states. [2019-11-28 17:27:11,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:11,245 INFO L93 Difference]: Finished difference Result 738 states and 990 transitions. [2019-11-28 17:27:11,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-28 17:27:11,246 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2019-11-28 17:27:11,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:11,250 INFO L225 Difference]: With dead ends: 738 [2019-11-28 17:27:11,250 INFO L226 Difference]: Without dead ends: 587 [2019-11-28 17:27:11,251 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2019-11-28 17:27:11,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2019-11-28 17:27:11,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 272. [2019-11-28 17:27:11,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2019-11-28 17:27:11,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 359 transitions. [2019-11-28 17:27:11,287 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 359 transitions. Word has length 52 [2019-11-28 17:27:11,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:11,287 INFO L462 AbstractCegarLoop]: Abstraction has 272 states and 359 transitions. [2019-11-28 17:27:11,287 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-28 17:27:11,288 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 359 transitions. [2019-11-28 17:27:11,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-28 17:27:11,289 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:11,289 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:11,495 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:27:11,495 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:11,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:11,496 INFO L82 PathProgramCache]: Analyzing trace with hash -5787080, now seen corresponding path program 2 times [2019-11-28 17:27:11,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:11,496 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989664901] [2019-11-28 17:27:11,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:11,617 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 17:27:11,618 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989664901] [2019-11-28 17:27:11,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:11,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:11,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408482776] [2019-11-28 17:27:11,619 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:11,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:11,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:11,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:11,620 INFO L87 Difference]: Start difference. First operand 272 states and 359 transitions. Second operand 5 states. [2019-11-28 17:27:11,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:11,797 INFO L93 Difference]: Finished difference Result 809 states and 1083 transitions. [2019-11-28 17:27:11,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:27:11,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2019-11-28 17:27:11,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:11,802 INFO L225 Difference]: With dead ends: 809 [2019-11-28 17:27:11,802 INFO L226 Difference]: Without dead ends: 584 [2019-11-28 17:27:11,803 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:27:11,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2019-11-28 17:27:11,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 376. [2019-11-28 17:27:11,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2019-11-28 17:27:11,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 496 transitions. [2019-11-28 17:27:11,845 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 496 transitions. Word has length 73 [2019-11-28 17:27:11,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:11,846 INFO L462 AbstractCegarLoop]: Abstraction has 376 states and 496 transitions. [2019-11-28 17:27:11,846 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:11,846 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 496 transitions. [2019-11-28 17:27:11,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-28 17:27:11,848 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:11,848 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:11,848 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:11,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:11,849 INFO L82 PathProgramCache]: Analyzing trace with hash 268972534, now seen corresponding path program 1 times [2019-11-28 17:27:11,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:11,849 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660827032] [2019-11-28 17:27:11,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:11,914 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-28 17:27:11,915 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660827032] [2019-11-28 17:27:11,915 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711934536] [2019-11-28 17:27:11,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:27:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:12,050 INFO L264 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 17:27:12,063 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:27:12,103 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-28 17:27:12,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 17:27:12,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-11-28 17:27:12,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710957020] [2019-11-28 17:27:12,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:12,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:12,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:12,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-28 17:27:12,107 INFO L87 Difference]: Start difference. First operand 376 states and 496 transitions. Second operand 5 states. [2019-11-28 17:27:12,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:12,198 INFO L93 Difference]: Finished difference Result 720 states and 947 transitions. [2019-11-28 17:27:12,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:27:12,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2019-11-28 17:27:12,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:12,200 INFO L225 Difference]: With dead ends: 720 [2019-11-28 17:27:12,200 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:27:12,202 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-28 17:27:12,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:27:12,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:27:12,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:27:12,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:27:12,204 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2019-11-28 17:27:12,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:12,205 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:27:12,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:12,205 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:27:12,205 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:27:12,417 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:27:12,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:27:12,768 WARN L192 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 136 [2019-11-28 17:27:13,145 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 137 [2019-11-28 17:27:13,351 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 129 [2019-11-28 17:27:13,529 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 129 [2019-11-28 17:27:13,826 WARN L192 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 140 [2019-11-28 17:27:14,799 WARN L192 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 22 [2019-11-28 17:27:15,131 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 20 [2019-11-28 17:27:15,920 WARN L192 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 24 [2019-11-28 17:27:16,635 WARN L192 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 25 [2019-11-28 17:27:17,374 WARN L192 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 25 [2019-11-28 17:27:17,699 WARN L192 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 21 [2019-11-28 17:27:17,834 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 17 [2019-11-28 17:27:18,569 WARN L192 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 24 [2019-11-28 17:27:18,921 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 14 [2019-11-28 17:27:19,268 WARN L192 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 23 [2019-11-28 17:27:19,288 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-11-28 17:27:19,288 INFO L246 CegarLoopResult]: For program point L400(lines 400 406) no Hoare annotation was computed. [2019-11-28 17:27:19,289 INFO L242 CegarLoopResult]: At program point L400-1(lines 400 406) the Hoare annotation is: (let ((.cse5 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2))) [2019-11-28 17:27:19,289 INFO L246 CegarLoopResult]: For program point L202(lines 202 210) no Hoare annotation was computed. [2019-11-28 17:27:19,289 INFO L246 CegarLoopResult]: For program point L202-1(lines 202 210) no Hoare annotation was computed. [2019-11-28 17:27:19,289 INFO L242 CegarLoopResult]: At program point L136(lines 127 140) the Hoare annotation is: false [2019-11-28 17:27:19,289 INFO L246 CegarLoopResult]: For program point L202-2(lines 202 210) no Hoare annotation was computed. [2019-11-28 17:27:19,289 INFO L242 CegarLoopResult]: At program point L136-1(lines 127 140) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 (<= 1 ~waterLevel~0) .cse1 .cse2))) [2019-11-28 17:27:19,289 INFO L246 CegarLoopResult]: For program point L202-3(lines 202 210) no Hoare annotation was computed. [2019-11-28 17:27:19,290 INFO L242 CegarLoopResult]: At program point L136-2(lines 127 140) the Hoare annotation is: false [2019-11-28 17:27:19,290 INFO L246 CegarLoopResult]: For program point L202-4(lines 202 210) no Hoare annotation was computed. [2019-11-28 17:27:19,290 INFO L242 CegarLoopResult]: At program point L136-3(lines 127 140) the Hoare annotation is: false [2019-11-28 17:27:19,290 INFO L246 CegarLoopResult]: For program point L202-5(lines 202 210) no Hoare annotation was computed. [2019-11-28 17:27:19,290 INFO L242 CegarLoopResult]: At program point L136-4(lines 127 140) the Hoare annotation is: false [2019-11-28 17:27:19,290 INFO L242 CegarLoopResult]: At program point L136-5(lines 127 140) the Hoare annotation is: false [2019-11-28 17:27:19,290 INFO L246 CegarLoopResult]: For program point L830(lines 830 834) no Hoare annotation was computed. [2019-11-28 17:27:19,290 INFO L246 CegarLoopResult]: For program point L830-1(lines 166 172) no Hoare annotation was computed. [2019-11-28 17:27:19,291 INFO L242 CegarLoopResult]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2) (and .cse4 (<= 1 ~waterLevel~0) .cse0 .cse1) (and .cse4 .cse3 .cse1))) [2019-11-28 17:27:19,291 INFO L242 CegarLoopResult]: At program point L173-1(lines 173 179) the Hoare annotation is: false [2019-11-28 17:27:19,292 INFO L242 CegarLoopResult]: At program point L173-2(lines 173 179) the Hoare annotation is: false [2019-11-28 17:27:19,292 INFO L246 CegarLoopResult]: For program point L966(lines 966 979) no Hoare annotation was computed. [2019-11-28 17:27:19,292 INFO L242 CegarLoopResult]: At program point L966-1(lines 1 982) the Hoare annotation is: (let ((.cse1 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 .cse2 (<= 1 ~waterLevel~0) .cse4 .cse3 (= 0 ~systemActive~0)) (and .cse0 (= 1 ~waterLevel~0) .cse4 .cse3))) [2019-11-28 17:27:19,292 INFO L246 CegarLoopResult]: For program point L900(lines 900 907) no Hoare annotation was computed. [2019-11-28 17:27:19,292 INFO L246 CegarLoopResult]: For program point L966-2(lines 966 979) no Hoare annotation was computed. [2019-11-28 17:27:19,292 INFO L242 CegarLoopResult]: At program point L966-3(lines 1 982) the Hoare annotation is: false [2019-11-28 17:27:19,292 INFO L249 CegarLoopResult]: At program point L900-1(lines 900 907) the Hoare annotation is: true [2019-11-28 17:27:19,292 INFO L246 CegarLoopResult]: For program point L966-4(lines 966 979) no Hoare annotation was computed. [2019-11-28 17:27:19,293 INFO L242 CegarLoopResult]: At program point L966-5(lines 1 982) the Hoare annotation is: false [2019-11-28 17:27:19,293 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-11-28 17:27:19,293 INFO L242 CegarLoopResult]: At program point L440(lines 389 441) the Hoare annotation is: false [2019-11-28 17:27:19,293 INFO L242 CegarLoopResult]: At program point L936(lines 1 982) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:19,293 INFO L246 CegarLoopResult]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-11-28 17:27:19,293 INFO L246 CegarLoopResult]: For program point L970(lines 970 976) no Hoare annotation was computed. [2019-11-28 17:27:19,293 INFO L246 CegarLoopResult]: For program point L970-2(lines 970 976) no Hoare annotation was computed. [2019-11-28 17:27:19,294 INFO L246 CegarLoopResult]: For program point L970-4(lines 970 976) no Hoare annotation was computed. [2019-11-28 17:27:19,294 INFO L242 CegarLoopResult]: At program point L277(lines 272 280) the Hoare annotation is: false [2019-11-28 17:27:19,294 INFO L242 CegarLoopResult]: At program point L277-1(lines 272 280) the Hoare annotation is: false [2019-11-28 17:27:19,294 INFO L242 CegarLoopResult]: At program point L277-2(lines 272 280) the Hoare annotation is: false [2019-11-28 17:27:19,294 INFO L246 CegarLoopResult]: For program point L410(lines 410 416) no Hoare annotation was computed. [2019-11-28 17:27:19,295 INFO L242 CegarLoopResult]: At program point L410-1(lines 410 416) the Hoare annotation is: (let ((.cse5 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2))) [2019-11-28 17:27:19,295 INFO L242 CegarLoopResult]: At program point L146(lines 141 149) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:19,295 INFO L242 CegarLoopResult]: At program point L146-1(lines 141 149) the Hoare annotation is: false [2019-11-28 17:27:19,295 INFO L242 CegarLoopResult]: At program point L146-2(lines 141 149) the Hoare annotation is: false [2019-11-28 17:27:19,295 INFO L246 CegarLoopResult]: For program point L345(lines 345 349) no Hoare annotation was computed. [2019-11-28 17:27:19,295 INFO L246 CegarLoopResult]: For program point L345-2(lines 345 349) no Hoare annotation was computed. [2019-11-28 17:27:19,296 INFO L246 CegarLoopResult]: For program point L345-3(lines 345 349) no Hoare annotation was computed. [2019-11-28 17:27:19,296 INFO L246 CegarLoopResult]: For program point L345-5(lines 345 349) no Hoare annotation was computed. [2019-11-28 17:27:19,296 INFO L246 CegarLoopResult]: For program point L345-6(lines 345 349) no Hoare annotation was computed. [2019-11-28 17:27:19,296 INFO L246 CegarLoopResult]: For program point L345-8(lines 345 349) no Hoare annotation was computed. [2019-11-28 17:27:19,296 INFO L242 CegarLoopResult]: At program point L874(lines 870 876) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:19,297 INFO L249 CegarLoopResult]: At program point L909(lines 890 912) the Hoare annotation is: true [2019-11-28 17:27:19,297 INFO L242 CegarLoopResult]: At program point L944(lines 939 947) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:19,297 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:27:19,297 INFO L242 CegarLoopResult]: At program point L351(lines 336 354) the Hoare annotation is: (and (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1) (= 1 ~systemActive~0) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~3) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (<= 1 ~waterLevel~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:19,297 INFO L242 CegarLoopResult]: At program point L351-1(lines 336 354) the Hoare annotation is: false [2019-11-28 17:27:19,297 INFO L242 CegarLoopResult]: At program point L351-2(lines 336 354) the Hoare annotation is: false [2019-11-28 17:27:19,297 INFO L246 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2019-11-28 17:27:19,298 INFO L246 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2019-11-28 17:27:19,298 INFO L246 CegarLoopResult]: For program point L54-6(lines 54 58) no Hoare annotation was computed. [2019-11-28 17:27:19,298 INFO L246 CegarLoopResult]: For program point L420(lines 420 435) no Hoare annotation was computed. [2019-11-28 17:27:19,298 INFO L242 CegarLoopResult]: At program point L123(lines 118 126) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse4) (and .cse1 .cse2 .cse3 .cse4 (= 0 ~systemActive~0)))) [2019-11-28 17:27:19,298 INFO L242 CegarLoopResult]: At program point L123-1(lines 118 126) the Hoare annotation is: false [2019-11-28 17:27:19,298 INFO L242 CegarLoopResult]: At program point L123-2(lines 118 126) the Hoare annotation is: false [2019-11-28 17:27:19,299 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:27:19,299 INFO L246 CegarLoopResult]: For program point L224(lines 224 241) no Hoare annotation was computed. [2019-11-28 17:27:19,299 INFO L246 CegarLoopResult]: For program point L224-1(lines 224 241) no Hoare annotation was computed. [2019-11-28 17:27:19,299 INFO L246 CegarLoopResult]: For program point L224-2(lines 224 241) no Hoare annotation was computed. [2019-11-28 17:27:19,299 INFO L246 CegarLoopResult]: For program point L391(lines 390 439) no Hoare annotation was computed. [2019-11-28 17:27:19,299 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:27:19,299 INFO L246 CegarLoopResult]: For program point L953(line 953) no Hoare annotation was computed. [2019-11-28 17:27:19,299 INFO L246 CegarLoopResult]: For program point L953-1(line 953) no Hoare annotation was computed. [2019-11-28 17:27:19,299 INFO L246 CegarLoopResult]: For program point L953-2(line 953) no Hoare annotation was computed. [2019-11-28 17:27:19,300 INFO L246 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2019-11-28 17:27:19,300 INFO L246 CegarLoopResult]: For program point L359(lines 359 365) no Hoare annotation was computed. [2019-11-28 17:27:19,300 INFO L242 CegarLoopResult]: At program point L359-1(lines 359 365) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 1 ~waterLevel~0) .cse0 .cse1))) [2019-11-28 17:27:19,300 INFO L246 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:27:19,300 INFO L246 CegarLoopResult]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:27:19,300 INFO L246 CegarLoopResult]: For program point L326-3(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:27:19,301 INFO L246 CegarLoopResult]: For program point L326-5(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:27:19,301 INFO L246 CegarLoopResult]: For program point L326-6(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:27:19,301 INFO L246 CegarLoopResult]: For program point L326-8(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:27:19,301 INFO L246 CegarLoopResult]: For program point L326-9(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:27:19,301 INFO L246 CegarLoopResult]: For program point L326-11(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:27:19,302 INFO L246 CegarLoopResult]: For program point L326-12(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:27:19,302 INFO L246 CegarLoopResult]: For program point L326-14(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:27:19,302 INFO L246 CegarLoopResult]: For program point L326-15(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:27:19,302 INFO L246 CegarLoopResult]: For program point L326-17(lines 326 330) no Hoare annotation was computed. [2019-11-28 17:27:19,302 INFO L246 CegarLoopResult]: For program point L228(lines 228 236) no Hoare annotation was computed. [2019-11-28 17:27:19,302 INFO L246 CegarLoopResult]: For program point L228-1(lines 228 236) no Hoare annotation was computed. [2019-11-28 17:27:19,303 INFO L246 CegarLoopResult]: For program point L228-2(lines 228 236) no Hoare annotation was computed. [2019-11-28 17:27:19,303 INFO L246 CegarLoopResult]: For program point L428(lines 428 434) no Hoare annotation was computed. [2019-11-28 17:27:19,303 INFO L242 CegarLoopResult]: At program point L428-1(lines 166 172) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~waterLevel~0) .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2) (and .cse4 (<= 1 ~waterLevel~0) .cse0 .cse1) (and .cse4 .cse3 .cse1))) [2019-11-28 17:27:19,303 INFO L246 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-11-28 17:27:19,303 INFO L246 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2019-11-28 17:27:19,304 INFO L246 CegarLoopResult]: For program point L131-2(lines 131 137) no Hoare annotation was computed. [2019-11-28 17:27:19,304 INFO L246 CegarLoopResult]: For program point L131-3(lines 131 137) no Hoare annotation was computed. [2019-11-28 17:27:19,304 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:27:19,304 INFO L246 CegarLoopResult]: For program point L131-4(lines 131 137) no Hoare annotation was computed. [2019-11-28 17:27:19,304 INFO L246 CegarLoopResult]: For program point L131-5(lines 131 137) no Hoare annotation was computed. [2019-11-28 17:27:19,305 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2019-11-28 17:27:19,305 INFO L246 CegarLoopResult]: For program point L198(lines 198 215) no Hoare annotation was computed. [2019-11-28 17:27:19,305 INFO L246 CegarLoopResult]: For program point L198-1(lines 198 215) no Hoare annotation was computed. [2019-11-28 17:27:19,305 INFO L246 CegarLoopResult]: For program point L198-2(lines 198 215) no Hoare annotation was computed. [2019-11-28 17:27:19,305 INFO L246 CegarLoopResult]: For program point L198-3(lines 198 215) no Hoare annotation was computed. [2019-11-28 17:27:19,306 INFO L246 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-11-28 17:27:19,306 INFO L246 CegarLoopResult]: For program point L198-4(lines 198 215) no Hoare annotation was computed. [2019-11-28 17:27:19,306 INFO L246 CegarLoopResult]: For program point L198-5(lines 198 215) no Hoare annotation was computed. [2019-11-28 17:27:19,306 INFO L242 CegarLoopResult]: At program point L826-2(lines 826 840) the Hoare annotation is: false [2019-11-28 17:27:19,306 INFO L242 CegarLoopResult]: At program point L166(lines 165 184) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 1 ~waterLevel~0) .cse0 .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) .cse1))) [2019-11-28 17:27:19,307 INFO L246 CegarLoopResult]: For program point L166-1(lines 166 172) no Hoare annotation was computed. [2019-11-28 17:27:19,307 INFO L242 CegarLoopResult]: At program point L166-2(lines 165 184) the Hoare annotation is: false [2019-11-28 17:27:19,307 INFO L242 CegarLoopResult]: At program point L166-3(lines 165 184) the Hoare annotation is: false [2019-11-28 17:27:19,307 INFO L246 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2019-11-28 17:27:19,307 INFO L242 CegarLoopResult]: At program point L332(lines 317 335) the Hoare annotation is: false [2019-11-28 17:27:19,307 INFO L242 CegarLoopResult]: At program point L332-1(lines 317 335) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0) (<= 1 ~waterLevel~0) .cse1 .cse2))) [2019-11-28 17:27:19,308 INFO L242 CegarLoopResult]: At program point L332-2(lines 317 335) the Hoare annotation is: false [2019-11-28 17:27:19,308 INFO L242 CegarLoopResult]: At program point L332-3(lines 317 335) the Hoare annotation is: false [2019-11-28 17:27:19,308 INFO L242 CegarLoopResult]: At program point L332-4(lines 317 335) the Hoare annotation is: false [2019-11-28 17:27:19,308 INFO L242 CegarLoopResult]: At program point L332-5(lines 317 335) the Hoare annotation is: false [2019-11-28 17:27:19,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:27:19 BoogieIcfgContainer [2019-11-28 17:27:19,335 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:27:19,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:27:19,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:27:19,336 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:27:19,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:08" (3/4) ... [2019-11-28 17:27:19,340 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:27:19,363 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:27:19,365 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:27:19,366 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:27:19,367 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:27:19,368 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:27:19,369 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:27:19,370 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:27:19,402 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= tmp) && 2 <= waterLevel) && 1 <= \result) && 0 == splverifierCounter) || (((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:27:19,403 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) [2019-11-28 17:27:19,403 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) [2019-11-28 17:27:19,405 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 <= waterLevel) && 1 <= \result) && 0 == splverifierCounter)) || ((((1 <= \result && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) [2019-11-28 17:27:19,406 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter [2019-11-28 17:27:19,407 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 1 && 1 == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:27:19,408 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= tmp___0 && 1 == systemActive) && 0 == tmp) && 0 == \result) && 1 <= \result) && 1 <= waterLevel) && 0 == splverifierCounter [2019-11-28 17:27:19,408 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-28 17:27:19,491 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:27:19,491 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:27:19,493 INFO L168 Benchmark]: Toolchain (without parser) took 13406.36 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 402.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -164.6 MB). Peak memory consumption was 237.5 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:19,493 INFO L168 Benchmark]: CDTParser took 0.18 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 17:27:19,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:19,495 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:19,495 INFO L168 Benchmark]: Boogie Preprocessor took 47.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:27:19,496 INFO L168 Benchmark]: RCFGBuilder took 1179.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.2 MB). Peak memory consumption was 71.2 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:19,496 INFO L168 Benchmark]: TraceAbstraction took 11311.61 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 259.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -91.6 MB). Peak memory consumption was 388.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:19,497 INFO L168 Benchmark]: Witness Printer took 155.82 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:19,500 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 620.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.60 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 47.80 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 1179.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.2 MB). Peak memory consumption was 71.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11311.61 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 259.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -91.6 MB). Peak memory consumption was 388.6 MB. Max. memory is 11.5 GB. * Witness Printer took 155.82 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 953]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 953]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 953]: 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: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 == systemActive && 1 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == \result) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (((((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 2 <= waterLevel) && 1 <= \result) && 0 == splverifierCounter)) || ((((1 <= \result && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 1 && 1 == systemActive) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (((((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || ((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: (((((1 <= tmp___0 && 1 == systemActive) && 0 == tmp) && 0 == \result) && 1 <= \result) && 1 <= waterLevel) && 0 == splverifierCounter - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 359]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || ((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= tmp) && 2 <= waterLevel) && 1 <= \result) && 0 == splverifierCounter) || (((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 3 error locations. Result: SAFE, OverallTime: 4.3s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.8s, HoareTripleCheckerStatistics: 1402 SDtfs, 1880 SDslu, 2373 SDs, 0 SdLazy, 336 SolverSat, 77 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 214 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=376occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1473 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 184 NumberOfFragments, 522 HoareAnnotationTreeSize, 44 FomulaSimplifications, 803143 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 44 FomulaSimplificationsInter, 148390 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 595 NumberOfCodeBlocks, 595 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 580 ConstructedInterpolants, 0 QuantifiedInterpolants, 43278 SizeOfPredicates, 8 NumberOfNonLiveVariables, 865 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 181/189 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...