./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_product55.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 43d840a4952877093d97c8e90564eb1be31dea0c .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:44:20,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:44:20,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:44:20,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:44:20,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:44:20,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:44:20,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:44:20,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:44:20,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:44:20,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:44:20,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:44:20,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:44:20,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:44:20,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:44:20,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:44:20,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:44:20,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:44:20,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:44:20,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:44:20,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:44:20,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:44:20,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:44:20,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:44:20,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:44:20,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:44:20,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:44:20,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:44:20,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:44:20,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:44:20,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:44:20,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:44:20,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:44:20,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:44:20,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:44:20,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:44:20,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:44:20,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:44:20,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:44:20,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:44:20,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:44:20,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:44:20,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:44:20,803 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:44:20,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:44:20,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:44:20,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:44:20,805 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:44:20,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:44:20,806 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:44:20,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:44:20,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:44:20,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:44:20,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:44:20,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:44:20,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:44:20,807 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:44:20,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:44:20,807 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:44:20,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:44:20,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:44:20,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:44:20,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:44:20,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:44:20,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:44:20,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:44:20,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:44:20,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:44:20,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:44:20,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:44:20,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:44:20,810 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:44:20,810 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(reach_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 -> 43d840a4952877093d97c8e90564eb1be31dea0c [2020-10-20 01:44:21,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:44:21,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:44:21,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:44:21,042 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:44:21,043 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:44:21,044 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2020-10-20 01:44:21,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe105d798/c70864289c0a45059ae5f06bd6826478/FLAG6a704918c [2020-10-20 01:44:21,735 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:44:21,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product55.cil.c [2020-10-20 01:44:21,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe105d798/c70864289c0a45059ae5f06bd6826478/FLAG6a704918c [2020-10-20 01:44:22,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe105d798/c70864289c0a45059ae5f06bd6826478 [2020-10-20 01:44:22,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:44:22,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:44:22,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:22,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:44:22,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:44:22,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f5e536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22, skipping insertion in model container [2020-10-20 01:44:22,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:44:22,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:44:22,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:22,491 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:44:22,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:44:22,657 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:44:22,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22 WrapperNode [2020-10-20 01:44:22,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:44:22,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:22,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:44:22,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:44:22,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:44:22,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:44:22,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:44:22,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:44:22,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (1/1) ... [2020-10-20 01:44:22,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:44:22,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:44:22,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:44:22,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:44:22,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (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 [2020-10-20 01:44:22,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:44:22,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:44:22,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:44:22,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:44:24,038 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:44:24,038 INFO L298 CfgBuilder]: Removed 286 assume(true) statements. [2020-10-20 01:44:24,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:24 BoogieIcfgContainer [2020-10-20 01:44:24,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:44:24,041 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:44:24,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:44:24,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:44:24,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:44:22" (1/3) ... [2020-10-20 01:44:24,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58feb001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:24, skipping insertion in model container [2020-10-20 01:44:24,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:44:22" (2/3) ... [2020-10-20 01:44:24,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58feb001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:44:24, skipping insertion in model container [2020-10-20 01:44:24,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:24" (3/3) ... [2020-10-20 01:44:24,064 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product55.cil.c [2020-10-20 01:44:24,076 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:44:24,084 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:44:24,098 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:44:24,131 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:44:24,132 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:44:24,132 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:44:24,133 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:44:24,133 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:44:24,134 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:44:24,134 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:44:24,135 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:44:24,165 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states. [2020-10-20 01:44:24,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:44:24,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:24,176 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:24,176 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:24,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:24,184 INFO L82 PathProgramCache]: Analyzing trace with hash -1505234651, now seen corresponding path program 1 times [2020-10-20 01:44:24,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:24,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888259639] [2020-10-20 01:44:24,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:24,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:24,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888259639] [2020-10-20 01:44:24,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:24,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:24,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297225760] [2020-10-20 01:44:24,499 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:44:24,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:24,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:44:24,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:44:24,520 INFO L87 Difference]: Start difference. First operand 194 states. Second operand 2 states. [2020-10-20 01:44:24,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:24,567 INFO L93 Difference]: Finished difference Result 379 states and 578 transitions. [2020-10-20 01:44:24,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:44:24,568 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:44:24,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:24,603 INFO L225 Difference]: With dead ends: 379 [2020-10-20 01:44:24,603 INFO L226 Difference]: Without dead ends: 187 [2020-10-20 01:44:24,608 INFO L677 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 [2020-10-20 01:44:24,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-20 01:44:24,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2020-10-20 01:44:24,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-10-20 01:44:24,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 279 transitions. [2020-10-20 01:44:24,668 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 279 transitions. Word has length 16 [2020-10-20 01:44:24,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:24,668 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 279 transitions. [2020-10-20 01:44:24,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:44:24,669 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2020-10-20 01:44:24,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:44:24,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:24,670 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:24,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:44:24,671 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:24,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:24,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1742975748, now seen corresponding path program 1 times [2020-10-20 01:44:24,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:24,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28227529] [2020-10-20 01:44:24,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:24,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:24,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28227529] [2020-10-20 01:44:24,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:24,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:44:24,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035195311] [2020-10-20 01:44:24,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:24,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:24,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:24,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:24,831 INFO L87 Difference]: Start difference. First operand 187 states and 279 transitions. Second operand 3 states. [2020-10-20 01:44:24,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:24,850 INFO L93 Difference]: Finished difference Result 187 states and 279 transitions. [2020-10-20 01:44:24,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:24,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:44:24,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:24,853 INFO L225 Difference]: With dead ends: 187 [2020-10-20 01:44:24,854 INFO L226 Difference]: Without dead ends: 73 [2020-10-20 01:44:24,855 INFO L677 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 [2020-10-20 01:44:24,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-20 01:44:24,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-10-20 01:44:24,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-20 01:44:24,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2020-10-20 01:44:24,863 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 17 [2020-10-20 01:44:24,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:24,864 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2020-10-20 01:44:24,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:24,864 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2020-10-20 01:44:24,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:44:24,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:24,865 INFO L422 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] [2020-10-20 01:44:24,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:44:24,865 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:24,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:24,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1082167242, now seen corresponding path program 1 times [2020-10-20 01:44:24,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:24,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714888600] [2020-10-20 01:44:24,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:25,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:25,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714888600] [2020-10-20 01:44:25,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:25,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:25,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934117131] [2020-10-20 01:44:25,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:44:25,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:25,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:44:25,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:25,042 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 6 states. [2020-10-20 01:44:25,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:25,247 INFO L93 Difference]: Finished difference Result 230 states and 346 transitions. [2020-10-20 01:44:25,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:25,248 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-20 01:44:25,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:25,249 INFO L225 Difference]: With dead ends: 230 [2020-10-20 01:44:25,250 INFO L226 Difference]: Without dead ends: 163 [2020-10-20 01:44:25,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:44:25,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-20 01:44:25,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 92. [2020-10-20 01:44:25,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-20 01:44:25,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 137 transitions. [2020-10-20 01:44:25,265 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 137 transitions. Word has length 22 [2020-10-20 01:44:25,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:25,265 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 137 transitions. [2020-10-20 01:44:25,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:44:25,265 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 137 transitions. [2020-10-20 01:44:25,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:44:25,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:25,267 INFO L422 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] [2020-10-20 01:44:25,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:44:25,267 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:25,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:25,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1933185311, now seen corresponding path program 1 times [2020-10-20 01:44:25,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:25,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365478796] [2020-10-20 01:44:25,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:25,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:25,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365478796] [2020-10-20 01:44:25,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:25,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:44:25,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737300241] [2020-10-20 01:44:25,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:44:25,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:25,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:44:25,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:44:25,369 INFO L87 Difference]: Start difference. First operand 92 states and 137 transitions. Second operand 3 states. [2020-10-20 01:44:25,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:25,434 INFO L93 Difference]: Finished difference Result 187 states and 280 transitions. [2020-10-20 01:44:25,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:44:25,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-20 01:44:25,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:25,436 INFO L225 Difference]: With dead ends: 187 [2020-10-20 01:44:25,436 INFO L226 Difference]: Without dead ends: 101 [2020-10-20 01:44:25,437 INFO L677 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 [2020-10-20 01:44:25,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-20 01:44:25,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2020-10-20 01:44:25,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-20 01:44:25,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2020-10-20 01:44:25,450 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 25 [2020-10-20 01:44:25,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:25,451 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2020-10-20 01:44:25,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:44:25,452 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2020-10-20 01:44:25,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:44:25,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:25,453 INFO L422 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] [2020-10-20 01:44:25,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:44:25,454 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:25,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:25,454 INFO L82 PathProgramCache]: Analyzing trace with hash 2034893835, now seen corresponding path program 1 times [2020-10-20 01:44:25,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:25,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437824554] [2020-10-20 01:44:25,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:25,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:25,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437824554] [2020-10-20 01:44:25,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:25,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 01:44:25,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184257042] [2020-10-20 01:44:25,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 01:44:25,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:25,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 01:44:25,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:44:25,553 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand 8 states. [2020-10-20 01:44:26,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:26,055 INFO L93 Difference]: Finished difference Result 637 states and 929 transitions. [2020-10-20 01:44:26,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-20 01:44:26,055 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-10-20 01:44:26,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:26,059 INFO L225 Difference]: With dead ends: 637 [2020-10-20 01:44:26,059 INFO L226 Difference]: Without dead ends: 544 [2020-10-20 01:44:26,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-10-20 01:44:26,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2020-10-20 01:44:26,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 241. [2020-10-20 01:44:26,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-10-20 01:44:26,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 337 transitions. [2020-10-20 01:44:26,091 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 337 transitions. Word has length 25 [2020-10-20 01:44:26,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:26,091 INFO L481 AbstractCegarLoop]: Abstraction has 241 states and 337 transitions. [2020-10-20 01:44:26,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 01:44:26,092 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 337 transitions. [2020-10-20 01:44:26,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-20 01:44:26,094 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:26,094 INFO L422 BasicCegarLoop]: trace histogram [2, 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] [2020-10-20 01:44:26,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:44:26,095 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:26,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:26,096 INFO L82 PathProgramCache]: Analyzing trace with hash -2100121622, now seen corresponding path program 1 times [2020-10-20 01:44:26,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:26,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199133776] [2020-10-20 01:44:26,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:26,173 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:26,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199133776] [2020-10-20 01:44:26,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196634876] [2020-10-20 01:44:26,174 INFO L95 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 [2020-10-20 01:44:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:26,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 01:44:26,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:44:26,400 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:26,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 01:44:26,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-10-20 01:44:26,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722666056] [2020-10-20 01:44:26,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:44:26,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:26,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:44:26,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:26,404 INFO L87 Difference]: Start difference. First operand 241 states and 337 transitions. Second operand 4 states. [2020-10-20 01:44:26,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:26,555 INFO L93 Difference]: Finished difference Result 539 states and 767 transitions. [2020-10-20 01:44:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:44:26,556 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2020-10-20 01:44:26,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:26,558 INFO L225 Difference]: With dead ends: 539 [2020-10-20 01:44:26,559 INFO L226 Difference]: Without dead ends: 364 [2020-10-20 01:44:26,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:26,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-10-20 01:44:26,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 351. [2020-10-20 01:44:26,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-10-20 01:44:26,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 496 transitions. [2020-10-20 01:44:26,604 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 496 transitions. Word has length 40 [2020-10-20 01:44:26,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:26,604 INFO L481 AbstractCegarLoop]: Abstraction has 351 states and 496 transitions. [2020-10-20 01:44:26,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:44:26,605 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 496 transitions. [2020-10-20 01:44:26,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-20 01:44:26,607 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:26,607 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:26,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-20 01:44:26,821 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:26,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:26,822 INFO L82 PathProgramCache]: Analyzing trace with hash -512827560, now seen corresponding path program 1 times [2020-10-20 01:44:26,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:26,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961132685] [2020-10-20 01:44:26,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:26,884 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:44:26,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961132685] [2020-10-20 01:44:26,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:26,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:26,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711249838] [2020-10-20 01:44:26,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:26,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:26,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:26,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:26,887 INFO L87 Difference]: Start difference. First operand 351 states and 496 transitions. Second operand 5 states. [2020-10-20 01:44:27,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:27,048 INFO L93 Difference]: Finished difference Result 1077 states and 1510 transitions. [2020-10-20 01:44:27,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:44:27,048 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-10-20 01:44:27,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:27,053 INFO L225 Difference]: With dead ends: 1077 [2020-10-20 01:44:27,053 INFO L226 Difference]: Without dead ends: 732 [2020-10-20 01:44:27,055 INFO L677 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 [2020-10-20 01:44:27,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2020-10-20 01:44:27,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 381. [2020-10-20 01:44:27,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-10-20 01:44:27,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 526 transitions. [2020-10-20 01:44:27,087 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 526 transitions. Word has length 49 [2020-10-20 01:44:27,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:27,088 INFO L481 AbstractCegarLoop]: Abstraction has 381 states and 526 transitions. [2020-10-20 01:44:27,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:27,088 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 526 transitions. [2020-10-20 01:44:27,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-20 01:44:27,090 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:27,090 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:27,090 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:44:27,091 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:27,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:27,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1022300650, now seen corresponding path program 1 times [2020-10-20 01:44:27,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:27,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664759715] [2020-10-20 01:44:27,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:27,146 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:44:27,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664759715] [2020-10-20 01:44:27,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:27,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:44:27,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033742615] [2020-10-20 01:44:27,148 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:44:27,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:27,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:44:27,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:44:27,149 INFO L87 Difference]: Start difference. First operand 381 states and 526 transitions. Second operand 4 states. [2020-10-20 01:44:27,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:27,273 INFO L93 Difference]: Finished difference Result 891 states and 1233 transitions. [2020-10-20 01:44:27,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:44:27,274 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2020-10-20 01:44:27,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:27,277 INFO L225 Difference]: With dead ends: 891 [2020-10-20 01:44:27,277 INFO L226 Difference]: Without dead ends: 516 [2020-10-20 01:44:27,279 INFO L677 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 [2020-10-20 01:44:27,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2020-10-20 01:44:27,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 344. [2020-10-20 01:44:27,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-10-20 01:44:27,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 468 transitions. [2020-10-20 01:44:27,315 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 468 transitions. Word has length 49 [2020-10-20 01:44:27,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:27,315 INFO L481 AbstractCegarLoop]: Abstraction has 344 states and 468 transitions. [2020-10-20 01:44:27,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:44:27,316 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 468 transitions. [2020-10-20 01:44:27,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-20 01:44:27,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:27,317 INFO L422 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] [2020-10-20 01:44:27,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:44:27,318 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:27,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:27,318 INFO L82 PathProgramCache]: Analyzing trace with hash 930246806, now seen corresponding path program 1 times [2020-10-20 01:44:27,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:27,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527615905] [2020-10-20 01:44:27,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:27,618 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:27,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527615905] [2020-10-20 01:44:27,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:27,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:27,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612304704] [2020-10-20 01:44:27,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:44:27,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:27,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:44:27,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:44:27,622 INFO L87 Difference]: Start difference. First operand 344 states and 468 transitions. Second operand 6 states. [2020-10-20 01:44:27,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:27,859 INFO L93 Difference]: Finished difference Result 1946 states and 2692 transitions. [2020-10-20 01:44:27,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-20 01:44:27,860 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-10-20 01:44:27,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:27,869 INFO L225 Difference]: With dead ends: 1946 [2020-10-20 01:44:27,870 INFO L226 Difference]: Without dead ends: 1608 [2020-10-20 01:44:27,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-10-20 01:44:27,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-10-20 01:44:27,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 680. [2020-10-20 01:44:27,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2020-10-20 01:44:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 913 transitions. [2020-10-20 01:44:27,949 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 913 transitions. Word has length 50 [2020-10-20 01:44:27,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:27,950 INFO L481 AbstractCegarLoop]: Abstraction has 680 states and 913 transitions. [2020-10-20 01:44:27,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:44:27,950 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 913 transitions. [2020-10-20 01:44:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-20 01:44:27,952 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:27,952 INFO L422 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, 1, 1] [2020-10-20 01:44:27,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:44:27,952 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:27,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:27,953 INFO L82 PathProgramCache]: Analyzing trace with hash 2117456978, now seen corresponding path program 1 times [2020-10-20 01:44:27,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:27,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861061971] [2020-10-20 01:44:27,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:28,015 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:28,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861061971] [2020-10-20 01:44:28,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:28,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:28,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552245106] [2020-10-20 01:44:28,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:28,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:28,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:28,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:28,018 INFO L87 Difference]: Start difference. First operand 680 states and 913 transitions. Second operand 5 states. [2020-10-20 01:44:28,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:28,316 INFO L93 Difference]: Finished difference Result 1836 states and 2464 transitions. [2020-10-20 01:44:28,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:44:28,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-10-20 01:44:28,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:28,327 INFO L225 Difference]: With dead ends: 1836 [2020-10-20 01:44:28,327 INFO L226 Difference]: Without dead ends: 1834 [2020-10-20 01:44:28,328 INFO L677 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 [2020-10-20 01:44:28,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2020-10-20 01:44:28,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 680. [2020-10-20 01:44:28,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2020-10-20 01:44:28,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 903 transitions. [2020-10-20 01:44:28,407 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 903 transitions. Word has length 51 [2020-10-20 01:44:28,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:28,408 INFO L481 AbstractCegarLoop]: Abstraction has 680 states and 903 transitions. [2020-10-20 01:44:28,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:28,408 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 903 transitions. [2020-10-20 01:44:28,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-20 01:44:28,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:28,410 INFO L422 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, 1, 1, 1, 1, 1] [2020-10-20 01:44:28,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:44:28,411 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:28,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:28,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1311509310, now seen corresponding path program 1 times [2020-10-20 01:44:28,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:28,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133916083] [2020-10-20 01:44:28,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:28,498 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:28,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133916083] [2020-10-20 01:44:28,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540196212] [2020-10-20 01:44:28,499 INFO L95 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 [2020-10-20 01:44:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:28,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 01:44:28,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:44:28,682 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:44:28,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:44:28,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-20 01:44:28,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429026077] [2020-10-20 01:44:28,684 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-20 01:44:28,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:28,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-20 01:44:28,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:44:28,685 INFO L87 Difference]: Start difference. First operand 680 states and 903 transitions. Second operand 8 states. [2020-10-20 01:44:29,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:29,102 INFO L93 Difference]: Finished difference Result 1900 states and 2519 transitions. [2020-10-20 01:44:29,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-20 01:44:29,103 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-10-20 01:44:29,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:29,110 INFO L225 Difference]: With dead ends: 1900 [2020-10-20 01:44:29,110 INFO L226 Difference]: Without dead ends: 1312 [2020-10-20 01:44:29,112 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-10-20 01:44:29,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1312 states. [2020-10-20 01:44:29,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1312 to 604. [2020-10-20 01:44:29,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-10-20 01:44:29,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 790 transitions. [2020-10-20 01:44:29,190 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 790 transitions. Word has length 57 [2020-10-20 01:44:29,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:29,190 INFO L481 AbstractCegarLoop]: Abstraction has 604 states and 790 transitions. [2020-10-20 01:44:29,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-20 01:44:29,191 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 790 transitions. [2020-10-20 01:44:29,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-20 01:44:29,193 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:29,193 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:29,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:44:29,408 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:29,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:29,409 INFO L82 PathProgramCache]: Analyzing trace with hash -468545298, now seen corresponding path program 2 times [2020-10-20 01:44:29,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:29,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792794295] [2020-10-20 01:44:29,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:29,551 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:44:29,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792794295] [2020-10-20 01:44:29,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:29,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:29,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576472118] [2020-10-20 01:44:29,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:29,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:29,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:29,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:29,554 INFO L87 Difference]: Start difference. First operand 604 states and 790 transitions. Second operand 5 states. [2020-10-20 01:44:29,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:29,913 INFO L93 Difference]: Finished difference Result 1832 states and 2420 transitions. [2020-10-20 01:44:29,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:29,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-10-20 01:44:29,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:29,921 INFO L225 Difference]: With dead ends: 1832 [2020-10-20 01:44:29,921 INFO L226 Difference]: Without dead ends: 1318 [2020-10-20 01:44:29,923 INFO L677 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 [2020-10-20 01:44:29,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2020-10-20 01:44:30,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 836. [2020-10-20 01:44:30,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 836 states. [2020-10-20 01:44:30,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1089 transitions. [2020-10-20 01:44:30,020 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1089 transitions. Word has length 82 [2020-10-20 01:44:30,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:30,021 INFO L481 AbstractCegarLoop]: Abstraction has 836 states and 1089 transitions. [2020-10-20 01:44:30,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:30,021 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1089 transitions. [2020-10-20 01:44:30,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-20 01:44:30,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:44:30,023 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:44:30,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-20 01:44:30,025 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:44:30,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:44:30,025 INFO L82 PathProgramCache]: Analyzing trace with hash -862912084, now seen corresponding path program 1 times [2020-10-20 01:44:30,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:44:30,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890181988] [2020-10-20 01:44:30,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:44:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:44:30,096 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-20 01:44:30,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890181988] [2020-10-20 01:44:30,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:44:30,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:44:30,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932927594] [2020-10-20 01:44:30,098 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:44:30,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:44:30,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:44:30,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:44:30,099 INFO L87 Difference]: Start difference. First operand 836 states and 1089 transitions. Second operand 5 states. [2020-10-20 01:44:30,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:44:30,238 INFO L93 Difference]: Finished difference Result 1614 states and 2096 transitions. [2020-10-20 01:44:30,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:44:30,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-10-20 01:44:30,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:44:30,241 INFO L225 Difference]: With dead ends: 1614 [2020-10-20 01:44:30,241 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:44:30,246 INFO L677 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 [2020-10-20 01:44:30,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:44:30,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:44:30,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:44:30,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:44:30,248 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2020-10-20 01:44:30,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:44:30,248 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:44:30,248 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:44:30,249 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:44:30,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:44:30,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-20 01:44:30,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:44:30,488 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 117 [2020-10-20 01:44:31,509 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 343 DAG size of output: 243 [2020-10-20 01:44:32,316 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 250 [2020-10-20 01:44:33,089 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 273 [2020-10-20 01:44:33,343 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 149 [2020-10-20 01:44:33,967 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 288 [2020-10-20 01:44:34,121 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 161 [2020-10-20 01:44:34,540 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 264 [2020-10-20 01:44:34,799 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 197 [2020-10-20 01:44:34,922 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 121 [2020-10-20 01:44:35,457 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 20 [2020-10-20 01:44:37,178 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 236 DAG size of output: 31 [2020-10-20 01:44:39,171 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 245 DAG size of output: 30 [2020-10-20 01:44:39,380 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 11 [2020-10-20 01:44:39,715 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 22 [2020-10-20 01:44:42,196 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 264 DAG size of output: 29 [2020-10-20 01:44:42,768 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19 [2020-10-20 01:44:43,385 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 28 [2020-10-20 01:44:45,893 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 284 DAG size of output: 30 [2020-10-20 01:44:46,775 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2020-10-20 01:44:49,258 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 261 DAG size of output: 31 [2020-10-20 01:44:49,426 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 11 [2020-10-20 01:44:49,628 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 22 [2020-10-20 01:44:50,779 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 189 DAG size of output: 30 [2020-10-20 01:44:51,339 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 25 [2020-10-20 01:44:51,520 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 16 [2020-10-20 01:44:51,526 INFO L274 CegarLoopResult]: For program point L167-6(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:51,527 INFO L274 CegarLoopResult]: For program point L167-7(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:51,527 INFO L274 CegarLoopResult]: For program point L167-8(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:51,527 INFO L274 CegarLoopResult]: For program point L167-9(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:51,527 INFO L274 CegarLoopResult]: For program point L167-10(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:51,527 INFO L274 CegarLoopResult]: For program point L167-11(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:51,528 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:51,528 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-20 01:44:51,528 INFO L274 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-10-20 01:44:51,528 INFO L274 CegarLoopResult]: For program point L432-2(line 432) no Hoare annotation was computed. [2020-10-20 01:44:51,528 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:44:51,528 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:44:51,529 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:44:51,529 INFO L270 CegarLoopResult]: At program point L268(lines 263 271) the Hoare annotation is: false [2020-10-20 01:44:51,529 INFO L270 CegarLoopResult]: At program point L268-1(lines 263 271) the Hoare annotation is: false [2020-10-20 01:44:51,529 INFO L270 CegarLoopResult]: At program point L268-2(lines 263 271) the Hoare annotation is: false [2020-10-20 01:44:51,529 INFO L274 CegarLoopResult]: For program point L929(lines 929 933) no Hoare annotation was computed. [2020-10-20 01:44:51,529 INFO L274 CegarLoopResult]: For program point L336(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:51,529 INFO L274 CegarLoopResult]: For program point L336-2(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:51,529 INFO L274 CegarLoopResult]: For program point L336-3(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:51,529 INFO L274 CegarLoopResult]: For program point L336-5(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:51,530 INFO L270 CegarLoopResult]: At program point L138(lines 138 144) the Hoare annotation is: (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2) (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 .cse2 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)))) [2020-10-20 01:44:51,530 INFO L274 CegarLoopResult]: For program point L336-6(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:51,530 INFO L270 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2020-10-20 01:44:51,530 INFO L270 CegarLoopResult]: At program point L138-1(lines 138 144) the Hoare annotation is: false [2020-10-20 01:44:51,531 INFO L274 CegarLoopResult]: For program point L336-8(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:51,531 INFO L270 CegarLoopResult]: At program point L138-2(lines 138 144) the Hoare annotation is: false [2020-10-20 01:44:51,531 INFO L274 CegarLoopResult]: For program point L336-9(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:51,531 INFO L270 CegarLoopResult]: At program point L997(lines 992 1000) the Hoare annotation is: (and (= ULTIMATE.start_processEnvironment_~tmp~3 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:51,531 INFO L274 CegarLoopResult]: For program point L336-11(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:51,531 INFO L270 CegarLoopResult]: At program point L997-1(lines 992 1000) the Hoare annotation is: false [2020-10-20 01:44:51,532 INFO L274 CegarLoopResult]: For program point L336-12(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:51,532 INFO L270 CegarLoopResult]: At program point L997-2(lines 992 1000) the Hoare annotation is: false [2020-10-20 01:44:51,532 INFO L270 CegarLoopResult]: At program point L997-3(lines 992 1000) the Hoare annotation is: false [2020-10-20 01:44:51,532 INFO L274 CegarLoopResult]: For program point L336-14(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:51,532 INFO L270 CegarLoopResult]: At program point L997-4(lines 992 1000) the Hoare annotation is: false [2020-10-20 01:44:51,532 INFO L274 CegarLoopResult]: For program point L336-15(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:51,532 INFO L270 CegarLoopResult]: At program point L997-5(lines 992 1000) the Hoare annotation is: false [2020-10-20 01:44:51,532 INFO L274 CegarLoopResult]: For program point L336-17(lines 336 340) no Hoare annotation was computed. [2020-10-20 01:44:51,533 INFO L274 CegarLoopResult]: For program point L372(lines 372 385) no Hoare annotation was computed. [2020-10-20 01:44:51,533 INFO L270 CegarLoopResult]: At program point L372-1(lines 1 1000) the Hoare annotation is: (let ((.cse1 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6)) (.cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2 (<= 1 ~waterLevel~0) .cse3) (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~methaneLevelCritical~0 0) .cse0 .cse4 .cse2 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)))) [2020-10-20 01:44:51,533 INFO L274 CegarLoopResult]: For program point L372-2(lines 372 385) no Hoare annotation was computed. [2020-10-20 01:44:51,533 INFO L270 CegarLoopResult]: At program point L372-3(lines 1 1000) the Hoare annotation is: false [2020-10-20 01:44:51,533 INFO L274 CegarLoopResult]: For program point L372-4(lines 372 385) no Hoare annotation was computed. [2020-10-20 01:44:51,534 INFO L270 CegarLoopResult]: At program point L372-5(lines 1 1000) the Hoare annotation is: false [2020-10-20 01:44:51,534 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:51,534 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-10-20 01:44:51,534 INFO L270 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse4 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)) (and .cse4 .cse0 .cse2))) [2020-10-20 01:44:51,535 INFO L270 CegarLoopResult]: At program point L342(lines 327 345) the Hoare annotation is: (and (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_processEnvironment_~tmp~3 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:51,535 INFO L270 CegarLoopResult]: At program point L342-1(lines 327 345) the Hoare annotation is: false [2020-10-20 01:44:51,535 INFO L270 CegarLoopResult]: At program point L342-2(lines 327 345) the Hoare annotation is: false [2020-10-20 01:44:51,535 INFO L270 CegarLoopResult]: At program point L342-3(lines 327 345) the Hoare annotation is: false [2020-10-20 01:44:51,536 INFO L270 CegarLoopResult]: At program point L342-4(lines 327 345) the Hoare annotation is: false [2020-10-20 01:44:51,536 INFO L270 CegarLoopResult]: At program point L342-5(lines 327 345) the Hoare annotation is: false [2020-10-20 01:44:51,536 INFO L274 CegarLoopResult]: For program point L376(lines 376 382) no Hoare annotation was computed. [2020-10-20 01:44:51,536 INFO L274 CegarLoopResult]: For program point L376-2(lines 376 382) no Hoare annotation was computed. [2020-10-20 01:44:51,536 INFO L274 CegarLoopResult]: For program point L376-4(lines 376 382) no Hoare annotation was computed. [2020-10-20 01:44:51,536 INFO L274 CegarLoopResult]: For program point L905(lines 905 909) no Hoare annotation was computed. [2020-10-20 01:44:51,537 INFO L274 CegarLoopResult]: For program point L905-3(lines 905 909) no Hoare annotation was computed. [2020-10-20 01:44:51,537 INFO L274 CegarLoopResult]: For program point L905-6(lines 905 909) no Hoare annotation was computed. [2020-10-20 01:44:51,537 INFO L270 CegarLoopResult]: At program point L974(lines 969 977) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and (= ~pumpRunning~0 0) .cse0 (<= 1 ~waterLevel~0) .cse1) (and (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-10-20 01:44:51,537 INFO L270 CegarLoopResult]: At program point L974-1(lines 969 977) the Hoare annotation is: false [2020-10-20 01:44:51,537 INFO L270 CegarLoopResult]: At program point L974-2(lines 969 977) the Hoare annotation is: false [2020-10-20 01:44:51,538 INFO L274 CegarLoopResult]: For program point L215(lines 215 232) no Hoare annotation was computed. [2020-10-20 01:44:51,538 INFO L274 CegarLoopResult]: For program point L215-1(lines 215 232) no Hoare annotation was computed. [2020-10-20 01:44:51,538 INFO L274 CegarLoopResult]: For program point L215-2(lines 215 232) no Hoare annotation was computed. [2020-10-20 01:44:51,538 INFO L270 CegarLoopResult]: At program point L942(lines 937 945) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:51,538 INFO L270 CegarLoopResult]: At program point L942-1(lines 937 945) the Hoare annotation is: false [2020-10-20 01:44:51,539 INFO L270 CegarLoopResult]: At program point L942-2(lines 937 945) the Hoare annotation is: false [2020-10-20 01:44:51,539 INFO L270 CegarLoopResult]: At program point L415(lines 1 1000) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:51,539 INFO L270 CegarLoopResult]: At program point L448-2(lines 448 462) the Hoare annotation is: false [2020-10-20 01:44:51,539 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-10-20 01:44:51,539 INFO L274 CegarLoopResult]: For program point L350(lines 350 356) no Hoare annotation was computed. [2020-10-20 01:44:51,540 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:44:51,540 INFO L270 CegarLoopResult]: At program point L350-1(lines 350 356) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse0 .cse1 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)))) [2020-10-20 01:44:51,540 INFO L274 CegarLoopResult]: For program point L317(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,540 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,540 INFO L274 CegarLoopResult]: For program point L317-3(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,541 INFO L274 CegarLoopResult]: For program point L317-5(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,541 INFO L274 CegarLoopResult]: For program point L317-6(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,541 INFO L274 CegarLoopResult]: For program point L317-8(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,541 INFO L274 CegarLoopResult]: For program point L317-9(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,541 INFO L274 CegarLoopResult]: For program point L317-11(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,541 INFO L274 CegarLoopResult]: For program point L317-12(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,542 INFO L274 CegarLoopResult]: For program point L317-14(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,542 INFO L274 CegarLoopResult]: For program point L317-15(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,542 INFO L274 CegarLoopResult]: For program point L317-17(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,542 INFO L274 CegarLoopResult]: For program point L317-18(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,542 INFO L274 CegarLoopResult]: For program point L317-20(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,542 INFO L274 CegarLoopResult]: For program point L317-21(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,543 INFO L274 CegarLoopResult]: For program point L317-23(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,543 INFO L274 CegarLoopResult]: For program point L317-24(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,543 INFO L274 CegarLoopResult]: For program point L317-26(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,543 INFO L274 CegarLoopResult]: For program point L317-27(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,543 INFO L274 CegarLoopResult]: For program point L317-29(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,544 INFO L274 CegarLoopResult]: For program point L317-30(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,544 INFO L274 CegarLoopResult]: For program point L317-32(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,544 INFO L274 CegarLoopResult]: For program point L317-33(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,544 INFO L274 CegarLoopResult]: For program point L219(lines 219 227) no Hoare annotation was computed. [2020-10-20 01:44:51,544 INFO L274 CegarLoopResult]: For program point L219-1(lines 219 227) no Hoare annotation was computed. [2020-10-20 01:44:51,544 INFO L274 CegarLoopResult]: For program point L317-35(lines 317 321) no Hoare annotation was computed. [2020-10-20 01:44:51,545 INFO L274 CegarLoopResult]: For program point L219-2(lines 219 227) no Hoare annotation was computed. [2020-10-20 01:44:51,545 INFO L274 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-10-20 01:44:51,545 INFO L274 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2020-10-20 01:44:51,545 INFO L274 CegarLoopResult]: For program point L452-1(lines 131 137) no Hoare annotation was computed. [2020-10-20 01:44:51,545 INFO L274 CegarLoopResult]: For program point L519(lines 519 526) no Hoare annotation was computed. [2020-10-20 01:44:51,546 INFO L277 CegarLoopResult]: At program point L519-1(lines 519 526) the Hoare annotation is: true [2020-10-20 01:44:51,546 INFO L274 CegarLoopResult]: For program point L189(lines 189 206) no Hoare annotation was computed. [2020-10-20 01:44:51,546 INFO L274 CegarLoopResult]: For program point L189-1(lines 189 206) no Hoare annotation was computed. [2020-10-20 01:44:51,547 INFO L274 CegarLoopResult]: For program point L189-2(lines 189 206) no Hoare annotation was computed. [2020-10-20 01:44:51,547 INFO L274 CegarLoopResult]: For program point L189-3(lines 189 206) no Hoare annotation was computed. [2020-10-20 01:44:51,547 INFO L274 CegarLoopResult]: For program point L189-4(lines 189 206) no Hoare annotation was computed. [2020-10-20 01:44:51,547 INFO L274 CegarLoopResult]: For program point L189-5(lines 189 206) no Hoare annotation was computed. [2020-10-20 01:44:51,547 INFO L274 CegarLoopResult]: For program point L982(lines 982 988) no Hoare annotation was computed. [2020-10-20 01:44:51,547 INFO L274 CegarLoopResult]: For program point L982-1(lines 982 988) no Hoare annotation was computed. [2020-10-20 01:44:51,548 INFO L274 CegarLoopResult]: For program point L982-2(lines 982 988) no Hoare annotation was computed. [2020-10-20 01:44:51,548 INFO L274 CegarLoopResult]: For program point L982-3(lines 982 988) no Hoare annotation was computed. [2020-10-20 01:44:51,548 INFO L274 CegarLoopResult]: For program point L982-4(lines 982 988) no Hoare annotation was computed. [2020-10-20 01:44:51,548 INFO L274 CegarLoopResult]: For program point L982-5(lines 982 988) no Hoare annotation was computed. [2020-10-20 01:44:51,548 INFO L274 CegarLoopResult]: For program point L982-6(lines 982 988) no Hoare annotation was computed. [2020-10-20 01:44:51,548 INFO L274 CegarLoopResult]: For program point L982-7(lines 982 988) no Hoare annotation was computed. [2020-10-20 01:44:51,549 INFO L274 CegarLoopResult]: For program point L982-8(lines 982 988) no Hoare annotation was computed. [2020-10-20 01:44:51,549 INFO L274 CegarLoopResult]: For program point L982-9(lines 982 988) no Hoare annotation was computed. [2020-10-20 01:44:51,549 INFO L274 CegarLoopResult]: For program point L982-10(lines 982 988) no Hoare annotation was computed. [2020-10-20 01:44:51,549 INFO L274 CegarLoopResult]: For program point L982-11(lines 982 988) no Hoare annotation was computed. [2020-10-20 01:44:51,549 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:44:51,550 INFO L274 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-10-20 01:44:51,550 INFO L274 CegarLoopResult]: For program point L917(lines 917 921) no Hoare annotation was computed. [2020-10-20 01:44:51,551 INFO L270 CegarLoopResult]: At program point L323(lines 308 326) the Hoare annotation is: false [2020-10-20 01:44:51,551 INFO L270 CegarLoopResult]: At program point L323-1(lines 308 326) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 1) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-10-20 01:44:51,551 INFO L270 CegarLoopResult]: At program point L323-2(lines 308 326) the Hoare annotation is: false [2020-10-20 01:44:51,552 INFO L270 CegarLoopResult]: At program point L323-3(lines 308 326) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-10-20 01:44:51,552 INFO L270 CegarLoopResult]: At program point L323-4(lines 308 326) the Hoare annotation is: false [2020-10-20 01:44:51,552 INFO L270 CegarLoopResult]: At program point L323-5(lines 308 326) the Hoare annotation is: false [2020-10-20 01:44:51,552 INFO L270 CegarLoopResult]: At program point L323-6(lines 308 326) the Hoare annotation is: false [2020-10-20 01:44:51,553 INFO L270 CegarLoopResult]: At program point L323-7(lines 308 326) the Hoare annotation is: false [2020-10-20 01:44:51,554 INFO L274 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-10-20 01:44:51,554 INFO L270 CegarLoopResult]: At program point L323-8(lines 308 326) the Hoare annotation is: false [2020-10-20 01:44:51,554 INFO L270 CegarLoopResult]: At program point L323-9(lines 308 326) the Hoare annotation is: false [2020-10-20 01:44:51,554 INFO L270 CegarLoopResult]: At program point L323-10(lines 308 326) the Hoare annotation is: false [2020-10-20 01:44:51,554 INFO L270 CegarLoopResult]: At program point L323-11(lines 308 326) the Hoare annotation is: false [2020-10-20 01:44:51,554 INFO L270 CegarLoopResult]: At program point L423(lines 418 426) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-20 01:44:51,555 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-10-20 01:44:51,555 INFO L270 CegarLoopResult]: At program point L93-1(lines 131 137) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 .cse2 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and (not (= 0 ~systemActive~0)) .cse0 .cse2) (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 .cse2 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)))) [2020-10-20 01:44:51,555 INFO L270 CegarLoopResult]: At program point L259(lines 252 262) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0)) [2020-10-20 01:44:51,555 INFO L270 CegarLoopResult]: At program point L259-1(lines 252 262) the Hoare annotation is: false [2020-10-20 01:44:51,555 INFO L274 CegarLoopResult]: For program point L193(lines 193 201) no Hoare annotation was computed. [2020-10-20 01:44:51,556 INFO L270 CegarLoopResult]: At program point L259-2(lines 252 262) the Hoare annotation is: false [2020-10-20 01:44:51,556 INFO L274 CegarLoopResult]: For program point L193-1(lines 193 201) no Hoare annotation was computed. [2020-10-20 01:44:51,556 INFO L274 CegarLoopResult]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2020-10-20 01:44:51,556 INFO L274 CegarLoopResult]: For program point L193-3(lines 193 201) no Hoare annotation was computed. [2020-10-20 01:44:51,556 INFO L274 CegarLoopResult]: For program point L193-4(lines 193 201) no Hoare annotation was computed. [2020-10-20 01:44:51,556 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:44:51,557 INFO L274 CegarLoopResult]: For program point L193-5(lines 193 201) no Hoare annotation was computed. [2020-10-20 01:44:51,557 INFO L270 CegarLoopResult]: At program point L987(lines 978 991) the Hoare annotation is: false [2020-10-20 01:44:51,557 INFO L270 CegarLoopResult]: At program point L987-1(lines 978 991) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~3 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2020-10-20 01:44:51,557 INFO L270 CegarLoopResult]: At program point L987-2(lines 978 991) the Hoare annotation is: false [2020-10-20 01:44:51,557 INFO L270 CegarLoopResult]: At program point L987-3(lines 978 991) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2))) [2020-10-20 01:44:51,558 INFO L270 CegarLoopResult]: At program point L987-4(lines 978 991) the Hoare annotation is: false [2020-10-20 01:44:51,558 INFO L270 CegarLoopResult]: At program point L987-5(lines 978 991) the Hoare annotation is: false [2020-10-20 01:44:51,558 INFO L270 CegarLoopResult]: At program point L987-6(lines 978 991) the Hoare annotation is: false [2020-10-20 01:44:51,558 INFO L270 CegarLoopResult]: At program point L987-7(lines 978 991) the Hoare annotation is: false [2020-10-20 01:44:51,558 INFO L270 CegarLoopResult]: At program point L987-8(lines 978 991) the Hoare annotation is: false [2020-10-20 01:44:51,558 INFO L270 CegarLoopResult]: At program point L987-9(lines 978 991) the Hoare annotation is: false [2020-10-20 01:44:51,559 INFO L270 CegarLoopResult]: At program point L987-10(lines 978 991) the Hoare annotation is: false [2020-10-20 01:44:51,559 INFO L270 CegarLoopResult]: At program point L987-11(lines 978 991) the Hoare annotation is: false [2020-10-20 01:44:51,559 INFO L274 CegarLoopResult]: For program point L163(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:51,559 INFO L274 CegarLoopResult]: For program point L163-1(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:51,559 INFO L274 CegarLoopResult]: For program point L163-2(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:51,559 INFO L274 CegarLoopResult]: For program point L163-3(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:51,560 INFO L274 CegarLoopResult]: For program point L163-4(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:51,560 INFO L274 CegarLoopResult]: For program point L163-5(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:51,560 INFO L274 CegarLoopResult]: For program point L163-6(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:51,560 INFO L274 CegarLoopResult]: For program point L163-7(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:51,560 INFO L274 CegarLoopResult]: For program point L163-8(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:51,560 INFO L274 CegarLoopResult]: For program point L163-9(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:51,561 INFO L274 CegarLoopResult]: For program point L163-10(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:51,561 INFO L274 CegarLoopResult]: For program point L163-11(lines 163 180) no Hoare annotation was computed. [2020-10-20 01:44:51,561 INFO L270 CegarLoopResult]: At program point L131(lines 130 149) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)) (and (not (= 0 ~systemActive~0)) .cse1 .cse2))) [2020-10-20 01:44:51,561 INFO L274 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2020-10-20 01:44:51,561 INFO L270 CegarLoopResult]: At program point L131-2(lines 130 149) the Hoare annotation is: false [2020-10-20 01:44:51,561 INFO L270 CegarLoopResult]: At program point L131-3(lines 130 149) the Hoare annotation is: false [2020-10-20 01:44:51,562 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:44:51,563 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:44:51,564 INFO L277 CegarLoopResult]: At program point L528(lines 509 531) the Hoare annotation is: true [2020-10-20 01:44:51,564 INFO L270 CegarLoopResult]: At program point L496(lines 492 498) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)) [2020-10-20 01:44:51,564 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-10-20 01:44:51,565 INFO L270 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse4 .cse0 .cse2) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~methaneLevelCritical~0 0) .cse4 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~7 ~waterLevel~0)))) [2020-10-20 01:44:51,565 INFO L274 CegarLoopResult]: For program point L167(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:51,565 INFO L274 CegarLoopResult]: For program point L167-1(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:51,566 INFO L274 CegarLoopResult]: For program point L167-2(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:51,566 INFO L274 CegarLoopResult]: For program point L167-3(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:51,566 INFO L274 CegarLoopResult]: For program point L167-4(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:51,566 INFO L274 CegarLoopResult]: For program point L167-5(lines 167 175) no Hoare annotation was computed. [2020-10-20 01:44:51,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:44:51 BoogieIcfgContainer [2020-10-20 01:44:51,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:44:51,634 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:44:51,634 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:44:51,634 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:44:51,635 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:44:24" (3/4) ... [2020-10-20 01:44:51,640 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:44:51,677 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:44:51,679 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:44:51,681 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:44:51,684 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:44:51,686 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:44:51,688 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:51,690 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:44:51,739 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == systemActive && \result == waterLevel) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 [2020-10-20 01:44:51,742 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == waterLevel && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel [2020-10-20 01:44:51,743 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && 1 <= tmp) && splverifierCounter == 0) && 1 <= \result) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((((waterLevel == 1 && \result == waterLevel) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) [2020-10-20 01:44:51,744 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((((\result == waterLevel && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) [2020-10-20 01:44:51,745 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) [2020-10-20 01:44:51,746 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) [2020-10-20 01:44:51,747 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel)) || ((!(0 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-20 01:44:51,748 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) [2020-10-20 01:44:51,749 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) [2020-10-20 01:44:51,750 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || (((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) [2020-10-20 01:44:51,754 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:51,758 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp___0 == 0 && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:51,761 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 0 && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel [2020-10-20 01:44:51,764 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:51,765 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 0 && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive)) && tmp___0 == 1) && splverifierCounter == 0) && 1 <= waterLevel [2020-10-20 01:44:51,766 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp___0 == 0 && tmp == 0) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:44:51,882 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:44:51,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:44:51,884 INFO L168 Benchmark]: Toolchain (without parser) took 29842.69 ms. Allocated memory was 40.9 MB in the beginning and 206.0 MB in the end (delta: 165.2 MB). Free memory was 18.6 MB in the beginning and 20.9 MB in the end (delta: -2.2 MB). Peak memory consumption was 162.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:51,884 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 31.5 MB. Free memory was 8.7 MB in the beginning and 8.6 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. [2020-10-20 01:44:51,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.16 ms. Allocated memory was 40.9 MB in the beginning and 43.5 MB in the end (delta: 2.6 MB). Free memory was 17.8 MB in the beginning and 23.4 MB in the end (delta: -5.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:51,885 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.06 ms. Allocated memory is still 43.5 MB. Free memory was 23.4 MB in the beginning and 18.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:51,885 INFO L168 Benchmark]: Boogie Preprocessor took 64.19 ms. Allocated memory is still 43.5 MB. Free memory was 18.2 MB in the beginning and 14.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:51,886 INFO L168 Benchmark]: RCFGBuilder took 1231.05 ms. Allocated memory was 43.5 MB in the beginning and 49.8 MB in the end (delta: 6.3 MB). Free memory was 14.3 MB in the beginning and 10.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:51,886 INFO L168 Benchmark]: TraceAbstraction took 27592.08 ms. Allocated memory was 49.8 MB in the beginning and 206.0 MB in the end (delta: 156.2 MB). Free memory was 9.9 MB in the beginning and 41.7 MB in the end (delta: -31.9 MB). Peak memory consumption was 162.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:51,887 INFO L168 Benchmark]: Witness Printer took 248.12 ms. Allocated memory is still 206.0 MB. Free memory was 41.7 MB in the beginning and 20.9 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:44:51,890 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 31.5 MB. Free memory was 8.7 MB in the beginning and 8.6 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 611.16 ms. Allocated memory was 40.9 MB in the beginning and 43.5 MB in the end (delta: 2.6 MB). Free memory was 17.8 MB in the beginning and 23.4 MB in the end (delta: -5.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 86.06 ms. Allocated memory is still 43.5 MB. Free memory was 23.4 MB in the beginning and 18.2 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 64.19 ms. Allocated memory is still 43.5 MB. Free memory was 18.2 MB in the beginning and 14.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1231.05 ms. Allocated memory was 43.5 MB in the beginning and 49.8 MB in the end (delta: 6.3 MB). Free memory was 14.3 MB in the beginning and 10.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 27592.08 ms. Allocated memory was 49.8 MB in the beginning and 206.0 MB in the end (delta: 156.2 MB). Free memory was 9.9 MB in the beginning and 41.7 MB in the end (delta: -31.9 MB). Peak memory consumption was 162.7 MB. Max. memory is 14.3 GB. * Witness Printer took 248.12 ms. Allocated memory is still 206.0 MB. Free memory was 41.7 MB in the beginning and 20.9 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel)) || ((!(0 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: (!(0 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: (((((tmp == 0 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) || (((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && 1 <= \result) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: ((((((((tmp___0 == 0 && tmp == 0) && tmp == 1) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((tmp == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((((((tmp___0 == 0 && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((((\result == waterLevel && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == waterLevel) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (!(0 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((((((tmp == 0 && \result == 1) && tmp == 0) && \result == 0) && !(0 == systemActive)) && tmp___0 == 1) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && 1 <= tmp) && splverifierCounter == 0) && 1 <= \result) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((((waterLevel == 1 && \result == waterLevel) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result)) || ((((waterLevel == 1 && \result == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == waterLevel) - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((\result == systemActive && \result == waterLevel) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: ((((\result == waterLevel && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && tmp == systemActive) && tmp == waterLevel - InvariantResult [Line: 978]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: (((tmp == 0 && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 194 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.1s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 21.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1858 SDtfs, 3609 SDslu, 3782 SDs, 0 SdLazy, 524 SolverSat, 127 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 199 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=836occurred 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: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 4184 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 374 NumberOfFragments, 743 HoareAnnotationTreeSize, 68 FomulaSimplifications, 4029405 FormulaSimplificationTreeSizeReduction, 4.6s HoareSimplificationTime, 68 FomulaSimplificationsInter, 1390694 FormulaSimplificationTreeSizeReductionInter, 16.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 662 NumberOfCodeBlocks, 662 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 647 ConstructedInterpolants, 0 QuantifiedInterpolants, 58346 SizeOfPredicates, 4 NumberOfNonLiveVariables, 822 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 207/218 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...