/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:12:09,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:12:09,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:12:09,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:12:09,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:12:09,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:12:09,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:12:09,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:12:09,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:12:09,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:12:09,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:12:10,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:12:10,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:12:10,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:12:10,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:12:10,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:12:10,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:12:10,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:12:10,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:12:10,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:12:10,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:12:10,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:12:10,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:12:10,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:12:10,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:12:10,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:12:10,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:12:10,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:12:10,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:12:10,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:12:10,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:12:10,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:12:10,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:12:10,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:12:10,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:12:10,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:12:10,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:12:10,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:12:10,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:12:10,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:12:10,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:12:10,049 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:12:10,097 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:12:10,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:12:10,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:12:10,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:12:10,100 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:12:10,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:12:10,101 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:12:10,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:12:10,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:12:10,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:12:10,103 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:12:10,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:12:10,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:12:10,104 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:12:10,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:12:10,104 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:12:10,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:12:10,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:12:10,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:12:10,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:12:10,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:12:10,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:12:10,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:12:10,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:12:10,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:12:10,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:12:10,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:12:10,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:12:10,108 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:12:10,109 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:12:10,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:12:10,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:12:10,605 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:12:10,607 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:12:10,608 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:12:10,609 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c [2020-09-21 11:12:10,704 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6a6989a3/4a0084e626d34ed9ab6c168c77033c40/FLAG57adedf9a [2020-09-21 11:12:11,319 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:12:11,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c [2020-09-21 11:12:11,335 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6a6989a3/4a0084e626d34ed9ab6c168c77033c40/FLAG57adedf9a [2020-09-21 11:12:11,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6a6989a3/4a0084e626d34ed9ab6c168c77033c40 [2020-09-21 11:12:11,630 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:12:11,635 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:12:11,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:12:11,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:12:11,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:12:11,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:12:11" (1/1) ... [2020-09-21 11:12:11,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d587f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:11, skipping insertion in model container [2020-09-21 11:12:11,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:12:11" (1/1) ... [2020-09-21 11:12:11,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:12:11,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:12:12,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:12:12,196 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:12:12,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:12:12,356 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:12:12,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:12 WrapperNode [2020-09-21 11:12:12,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:12:12,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:12:12,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:12:12,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:12:12,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:12" (1/1) ... [2020-09-21 11:12:12,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:12" (1/1) ... [2020-09-21 11:12:12,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:12" (1/1) ... [2020-09-21 11:12:12,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:12" (1/1) ... [2020-09-21 11:12:12,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:12" (1/1) ... [2020-09-21 11:12:12,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:12" (1/1) ... [2020-09-21 11:12:12,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:12" (1/1) ... [2020-09-21 11:12:12,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:12:12,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:12:12,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:12:12,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:12:12,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-21 11:12:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:12:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:12:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:12:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:12:12,553 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:12:12,553 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:12:12,553 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:12:12,553 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:12:12,553 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:12:12,554 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:12:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:12:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:12:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:12:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:12:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:12:12,556 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:12:12,556 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:12:12,557 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:12:12,557 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:12:12,557 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:12:12,557 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:12:12,557 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:12:12,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:12:12,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:12:12,558 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:12:12,559 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:12:12,559 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:12:12,559 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:12:12,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:12:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:12:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:12:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:12:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:12:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:12:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:12:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:12:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:12:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:12:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:12:12,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:12:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:12:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:12:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:12:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:12:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:12:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:12:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:12:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:12:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:12:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:12:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:12:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:12:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:12:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:12:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:12:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:12:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:12:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:12:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:12:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:12:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:12:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:12:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:12:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:12:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:12:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:12:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:12:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:12:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:12:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:12:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:12:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:12:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:12:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:12:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:12:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:12:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:12:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:12:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:12:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:12:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:12:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:12:12,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:12:12,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:12:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:12:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:12:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:12:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:12:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:12:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:12:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:12:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:12:13,687 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:12:13,687 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:12:13,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:12:13 BoogieIcfgContainer [2020-09-21 11:12:13,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:12:13,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:12:13,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:12:13,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:12:13,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:12:11" (1/3) ... [2020-09-21 11:12:13,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2341a59e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:12:13, skipping insertion in model container [2020-09-21 11:12:13,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:12:12" (2/3) ... [2020-09-21 11:12:13,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2341a59e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:12:13, skipping insertion in model container [2020-09-21 11:12:13,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:12:13" (3/3) ... [2020-09-21 11:12:13,708 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product26.cil.c [2020-09-21 11:12:13,719 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:12:13,731 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:12:13,754 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:12:13,787 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:12:13,788 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:12:13,788 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:12:13,788 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:12:13,788 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:12:13,788 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:12:13,788 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:12:13,788 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:12:13,814 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-09-21 11:12:13,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:12:13,830 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:13,833 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:13,833 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:13,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:13,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1031127634, now seen corresponding path program 1 times [2020-09-21 11:12:13,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:13,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [643015865] [2020-09-21 11:12:13,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:14,202 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:14,202 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:14,203 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:14,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:14,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:12:14,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:14,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:12:14,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:14,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:14,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:12:14,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:14,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:14,685 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:14,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:14,698 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:14,699 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:14,699 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:14,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:14,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:14,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:14,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:14,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:14,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:14,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:14,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:14,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:14,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:14,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:14,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:14,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:14,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:14,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:14,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:14,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:14,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:14,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:14,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:14,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:14,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:14,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:14,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:14,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:14,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:14,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:14,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:14,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:14,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:14,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:14,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:14,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:14,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:14,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:14,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:14,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:14,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:14,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:14,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:14,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:14,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:14,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:14,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:14,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:14,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:14,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:14,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:14,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:14,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:14,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:14,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:14,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:14,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:14,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:14,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:14,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:14,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:14,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:14,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:14,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:14,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:12:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:14,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:14,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:14,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:14,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:14,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:14,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:14,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:14,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:14,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:14,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:14,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:14,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:14,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:12:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:14,790 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:14,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:14,791 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:14,791 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:14,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:14,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:14,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:14,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:14,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:14,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:14,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:14,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:14,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:14,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [643015865] [2020-09-21 11:12:14,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:14,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:12:14,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742993201] [2020-09-21 11:12:14,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:12:14,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:14,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:12:14,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:12:14,871 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 3 states. [2020-09-21 11:12:15,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:15,836 INFO L93 Difference]: Finished difference Result 256 states and 337 transitions. [2020-09-21 11:12:15,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:12:15,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:12:15,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:15,856 INFO L225 Difference]: With dead ends: 256 [2020-09-21 11:12:15,856 INFO L226 Difference]: Without dead ends: 139 [2020-09-21 11:12:15,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:12:15,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-09-21 11:12:15,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2020-09-21 11:12:15,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-09-21 11:12:15,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2020-09-21 11:12:15,981 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2020-09-21 11:12:15,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:15,982 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2020-09-21 11:12:15,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:12:15,982 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2020-09-21 11:12:15,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:12:15,987 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:15,987 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:12:15,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:12:15,987 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:15,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:15,995 INFO L82 PathProgramCache]: Analyzing trace with hash -303025831, now seen corresponding path program 1 times [2020-09-21 11:12:15,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:15,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1813748972] [2020-09-21 11:12:15,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:16,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:16,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:16,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:16,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:16,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:12:16,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:16,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:12:16,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:16,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:16,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:12:16,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:12:16,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:16,386 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:16,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:16,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:16,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:16,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:16,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:16,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:16,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:16,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:12:16,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:16,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:16,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:16,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:16,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:16,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:16,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:16,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:16,488 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:16,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:16,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:16,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:16,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:16,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:16,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:16,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:16,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:16,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:16,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:16,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:16,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:16,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:16,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:16,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:16,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:16,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:16,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:16,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:16,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:16,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:16,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:16,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:16,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:16,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:16,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:16,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:16,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:16,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:16,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:16,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:16,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:16,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:16,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:16,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:16,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:16,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:16,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:16,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:16,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:16,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:16,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:16,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:16,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:16,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:16,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:16,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:16,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:16,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:12:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:16,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:16,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:16,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:16,509 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:16,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:16,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:16,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:16,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:16,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:16,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:16,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:16,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:16,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:12:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:16,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:16,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:16,514 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:16,514 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:16,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:16,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:16,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:16,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:16,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:16,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:16,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:16,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:16,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:16,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1813748972] [2020-09-21 11:12:16,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:16,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:12:16,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205005795] [2020-09-21 11:12:16,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:12:16,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:16,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:12:16,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:12:16,527 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 4 states. [2020-09-21 11:12:16,945 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:12:17,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:17,640 INFO L93 Difference]: Finished difference Result 185 states and 224 transitions. [2020-09-21 11:12:17,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:12:17,641 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:12:17,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:17,644 INFO L225 Difference]: With dead ends: 185 [2020-09-21 11:12:17,644 INFO L226 Difference]: Without dead ends: 123 [2020-09-21 11:12:17,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:12:17,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-21 11:12:17,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2020-09-21 11:12:17,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-09-21 11:12:17,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2020-09-21 11:12:17,679 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2020-09-21 11:12:17,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:17,679 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2020-09-21 11:12:17,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:12:17,680 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2020-09-21 11:12:17,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:12:17,681 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:17,682 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, 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] [2020-09-21 11:12:17,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:12:17,682 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:17,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:17,682 INFO L82 PathProgramCache]: Analyzing trace with hash -111885155, now seen corresponding path program 1 times [2020-09-21 11:12:17,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:17,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1813159111] [2020-09-21 11:12:17,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:12:18,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:12:18,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 435 [2020-09-21 11:12:18,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:12:18,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:18,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:12:18,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,523 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:18,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:18,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 11:12:18,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:18,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:18,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,635 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,635 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:18,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:18,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:18,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:18,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:18,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:18,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:18,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:12:18,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:18,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,665 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:18,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:18,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:18,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:18,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:18,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:12:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,674 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,674 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:18,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:18,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:18,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:18,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:12:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:18,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:18,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:18,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:18,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:18,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:18,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:18,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:18,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:18,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:18,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:18,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:18,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:18,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1813159111] [2020-09-21 11:12:18,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:18,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:12:18,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563431744] [2020-09-21 11:12:18,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:12:18,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:18,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:12:18,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:12:18,693 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 4 states. [2020-09-21 11:12:18,977 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:19,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:19,713 INFO L93 Difference]: Finished difference Result 198 states and 242 transitions. [2020-09-21 11:12:19,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:12:19,714 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 11:12:19,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:19,718 INFO L225 Difference]: With dead ends: 198 [2020-09-21 11:12:19,718 INFO L226 Difference]: Without dead ends: 123 [2020-09-21 11:12:19,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:12:19,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-21 11:12:19,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2020-09-21 11:12:19,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-09-21 11:12:19,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2020-09-21 11:12:19,747 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2020-09-21 11:12:19,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:19,748 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2020-09-21 11:12:19,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:12:19,748 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2020-09-21 11:12:19,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:12:19,750 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:19,750 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, 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] [2020-09-21 11:12:19,750 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:12:19,751 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:19,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:19,751 INFO L82 PathProgramCache]: Analyzing trace with hash 558328282, now seen corresponding path program 1 times [2020-09-21 11:12:19,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:19,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1799182433] [2020-09-21 11:12:19,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:20,170 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:12:20,170 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:20,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:20,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:20,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-21 11:12:20,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:20,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-09-21 11:12:20,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:20,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:12:20,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:20,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 11:12:20,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:20,593 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:20,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:20,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:20,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:20,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:20,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:20,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:20,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:20,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:12:20,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:20,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:20,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:20,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:20,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:20,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:20,707 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:20,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:20,708 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:20,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:20,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:20,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:20,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:20,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:20,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:20,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:20,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:20,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:20,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:20,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:20,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:20,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:20,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:20,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:20,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:20,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:20,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:20,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:20,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:20,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:20,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:20,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:20,724 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:20,724 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:20,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:20,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:20,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:20,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:20,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:20,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:20,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:20,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:20,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:20,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:20,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:20,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:20,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:20,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:20,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:20,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:20,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:20,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:20,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:20,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:20,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:20,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:20,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:20,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:12:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:20,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:20,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:20,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:20,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:20,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:12:20,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:20,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:20,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:20,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:20,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:20,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:12:20,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:20,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:20,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:20,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:20,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:20,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:20,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:20,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:20,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:20,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:20,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:20,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:20,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 11:12:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:20,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:20,780 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:20,780 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:20,781 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:20,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:20,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:20,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:12:20,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:20,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:12:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:20,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:20,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 11:12:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:20,813 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:20,814 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:20,814 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:20,814 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:20,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:20,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:20,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:20,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:20,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:20,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:20,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:20,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:20,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1799182433] [2020-09-21 11:12:20,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:20,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:12:20,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554249082] [2020-09-21 11:12:20,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:12:20,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:20,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:12:20,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:12:20,841 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 8 states. [2020-09-21 11:12:21,395 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:22,723 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:23,042 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:23,355 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:23,647 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:24,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:24,368 INFO L93 Difference]: Finished difference Result 294 states and 384 transitions. [2020-09-21 11:12:24,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:12:24,369 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-09-21 11:12:24,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:24,374 INFO L225 Difference]: With dead ends: 294 [2020-09-21 11:12:24,374 INFO L226 Difference]: Without dead ends: 219 [2020-09-21 11:12:24,375 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:12:24,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-09-21 11:12:24,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 172. [2020-09-21 11:12:24,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-09-21 11:12:24,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 201 transitions. [2020-09-21 11:12:24,426 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 201 transitions. Word has length 60 [2020-09-21 11:12:24,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:24,427 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 201 transitions. [2020-09-21 11:12:24,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:12:24,427 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 201 transitions. [2020-09-21 11:12:24,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:12:24,429 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:24,429 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, 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, 1, 1] [2020-09-21 11:12:24,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:12:24,430 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:24,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:24,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1628085740, now seen corresponding path program 1 times [2020-09-21 11:12:24,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:24,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1101764932] [2020-09-21 11:12:24,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:24,848 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:24,848 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:24,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:24,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:24,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:12:24,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:24,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-09-21 11:12:24,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:24,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:12:24,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:24,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:12:24,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:25,216 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:25,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:25,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:25,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:25,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:25,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:25,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:25,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:25,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-21 11:12:25,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:25,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:25,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:25,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:25,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:25,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:25,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:25,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:25,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:25,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:25,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:25,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:25,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:25,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:25,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:25,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:25,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:25,339 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:25,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:25,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:25,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:25,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:25,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:25,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:25,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:25,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:25,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:25,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:25,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:25,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:25,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:25,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:25,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:25,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:25,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:25,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:25,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:25,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:25,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:25,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:25,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:25,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:25,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:25,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:25,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:25,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:25,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:25,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:25,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:25,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:25,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:25,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:12:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:25,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:25,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:25,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:25,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:25,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:25,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:25,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:12:25,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:25,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:12:25,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:12:25,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:12:25,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:25,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:12:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:25,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:25,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:25,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:25,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:25,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:12:25,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:25,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:12:25,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:25,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:25,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:25,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:12:25,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:25,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:25,468 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:25,468 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:25,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:25,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:25,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:25,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:25,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:25,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:25,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:25,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:25,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:25,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:25,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:12:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:25,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:25,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:25,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:25,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:25,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:25,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:25,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:12:25,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:25,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:12:25,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:25,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:25,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:25,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:12:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:25,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:25,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:25,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:25,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:25,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:25,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:25,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:25,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:25,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:25,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:25,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:25,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:12:25,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:25,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1101764932] [2020-09-21 11:12:25,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:25,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:12:25,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134388169] [2020-09-21 11:12:25,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:12:25,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:25,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:12:25,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:12:25,536 INFO L87 Difference]: Start difference. First operand 172 states and 201 transitions. Second operand 11 states. [2020-09-21 11:12:26,038 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:26,731 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:27,707 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:28,141 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:28,423 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:28,819 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:29,191 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:12:30,297 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 187 [2020-09-21 11:12:31,272 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-21 11:12:32,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:32,485 INFO L93 Difference]: Finished difference Result 544 states and 708 transitions. [2020-09-21 11:12:32,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-21 11:12:32,486 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 64 [2020-09-21 11:12:32,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:32,491 INFO L225 Difference]: With dead ends: 544 [2020-09-21 11:12:32,491 INFO L226 Difference]: Without dead ends: 458 [2020-09-21 11:12:32,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=201, Invalid=729, Unknown=0, NotChecked=0, Total=930 [2020-09-21 11:12:32,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2020-09-21 11:12:32,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 348. [2020-09-21 11:12:32,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2020-09-21 11:12:32,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 406 transitions. [2020-09-21 11:12:32,583 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 406 transitions. Word has length 64 [2020-09-21 11:12:32,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:32,584 INFO L479 AbstractCegarLoop]: Abstraction has 348 states and 406 transitions. [2020-09-21 11:12:32,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:12:32,584 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 406 transitions. [2020-09-21 11:12:32,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:12:32,586 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:12:32,586 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, 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, 1, 1] [2020-09-21 11:12:32,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:12:32,587 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:12:32,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:12:32,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1767139328, now seen corresponding path program 1 times [2020-09-21 11:12:32,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:12:32,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1776037159] [2020-09-21 11:12:32,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:12:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:32,886 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:32,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:32,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:32,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:32,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:12:32,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:32,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-09-21 11:12:32,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:12:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:12:32,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:33,190 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:33,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:12:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:33,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:33,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:33,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:33,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:33,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:33,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:33,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:12:33,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:33,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:33,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:33,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:12:33,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:33,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:12:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:33,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:33,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:33,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:33,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:33,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:33,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:33,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:33,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:33,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:33,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:33,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:33,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:33,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:12:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:33,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:33,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:33,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:33,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:33,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:33,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:33,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:33,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:33,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:33,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:33,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:33,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:33,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:12:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:33,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:33,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:33,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:33,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:33,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:33,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:33,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:33,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:33,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:33,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:33,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:12:33,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:33,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:12:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:33,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:33,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:33,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:33,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:33,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:33,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:33,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:33,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:33,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:12:33,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:33,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:12:33,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:33,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:12:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:33,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:33,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:33,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:33,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:33,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:33,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:33,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:33,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:33,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:33,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:33,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:33,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:33,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:12:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:33,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:33,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:33,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:33,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:33,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:12:33,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:33,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:33,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:33,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:33,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:12:33,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:33,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:33,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:12:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:33,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:33,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:33,349 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:33,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:33,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:12:33,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:33,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:33,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:33,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:33,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:12:33,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:33,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:33,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:12:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:33,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:33,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:33,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:33,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:33,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:33,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:33,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:33,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:33,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:33,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:33,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:33,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:33,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:12:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:12:33,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:12:33,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:12:33,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:12:33,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:12:33,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:12:33,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:12:33,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:12:33,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:12:33,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:12:33,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:12:33,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:12:33,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:12:33,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:12:33,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1776037159] [2020-09-21 11:12:33,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:12:33,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:12:33,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929338147] [2020-09-21 11:12:33,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:12:33,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:12:33,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:12:33,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:12:33,375 INFO L87 Difference]: Start difference. First operand 348 states and 406 transitions. Second operand 6 states. [2020-09-21 11:12:33,729 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:12:34,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:12:34,332 INFO L93 Difference]: Finished difference Result 449 states and 537 transitions. [2020-09-21 11:12:34,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:12:34,333 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-09-21 11:12:34,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:12:34,333 INFO L225 Difference]: With dead ends: 449 [2020-09-21 11:12:34,334 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:12:34,335 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:12:34,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:12:34,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:12:34,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:12:34,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:12:34,336 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-09-21 11:12:34,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:12:34,337 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:12:34,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:12:34,337 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:12:34,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:12:34,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:12:34,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:12:34,558 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:34,744 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:34,916 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:35,082 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:35,245 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:35,428 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:35,587 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:35,750 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:36,132 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-21 11:12:36,506 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-21 11:12:36,945 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-21 11:12:37,107 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:37,265 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:37,446 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:37,586 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:37,740 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:37,894 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:38,052 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:38,212 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:38,368 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:38,521 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:38,686 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:38,838 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:38,994 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:39,151 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:39,303 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:39,456 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:40,080 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 202 [2020-09-21 11:12:40,240 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:40,392 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:40,547 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:41,223 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 204 [2020-09-21 11:12:41,377 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:41,531 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:42,206 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 204 [2020-09-21 11:12:42,381 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:42,699 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:12:43,018 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:12:43,339 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:12:43,496 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:43,653 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:44,340 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 204 [2020-09-21 11:12:44,493 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:44,648 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:44,814 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:44,968 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:12:45,127 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:12:45,805 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 204 [2020-09-21 11:12:46,474 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:12:46,692 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:46,903 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:47,124 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:47,335 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:47,987 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2020-09-21 11:12:48,604 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-09-21 11:12:48,853 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:12:49,512 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-09-21 11:12:49,741 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:50,433 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-09-21 11:12:50,666 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:50,891 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:51,019 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 25 [2020-09-21 11:12:51,603 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-09-21 11:12:51,912 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-09-21 11:12:52,131 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:52,433 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-09-21 11:12:52,677 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:53,301 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2020-09-21 11:12:53,910 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-09-21 11:12:54,224 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-09-21 11:12:54,458 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:54,661 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:12:54,896 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:12:55,226 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-09-21 11:12:55,234 INFO L268 CegarLoopResult]: For program point L545(lines 545 549) no Hoare annotation was computed. [2020-09-21 11:12:55,234 INFO L268 CegarLoopResult]: For program point L545-1(lines 545 549) no Hoare annotation was computed. [2020-09-21 11:12:55,235 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-09-21 11:12:55,235 INFO L268 CegarLoopResult]: For program point L539-2(lines 539 560) no Hoare annotation was computed. [2020-09-21 11:12:55,235 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 514 569) no Hoare annotation was computed. [2020-09-21 11:12:55,235 INFO L268 CegarLoopResult]: For program point L561(lines 538 562) no Hoare annotation was computed. [2020-09-21 11:12:55,235 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 514 569) no Hoare annotation was computed. [2020-09-21 11:12:55,235 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 514 569) no Hoare annotation was computed. [2020-09-21 11:12:55,236 INFO L268 CegarLoopResult]: For program point L602(lines 602 606) no Hoare annotation was computed. [2020-09-21 11:12:55,236 INFO L268 CegarLoopResult]: For program point L602-1(lines 602 606) no Hoare annotation was computed. [2020-09-21 11:12:55,236 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 570 629) no Hoare annotation was computed. [2020-09-21 11:12:55,236 INFO L268 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-09-21 11:12:55,236 INFO L268 CegarLoopResult]: For program point L596-2(lines 596 621) no Hoare annotation was computed. [2020-09-21 11:12:55,236 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 570 629) no Hoare annotation was computed. [2020-09-21 11:12:55,237 INFO L268 CegarLoopResult]: For program point L622(lines 595 623) no Hoare annotation was computed. [2020-09-21 11:12:55,237 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 570 629) no Hoare annotation was computed. [2020-09-21 11:12:55,237 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-09-21 11:12:55,237 INFO L268 CegarLoopResult]: For program point L615-1(line 615) no Hoare annotation was computed. [2020-09-21 11:12:55,237 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 445 451) the Hoare annotation is: true [2020-09-21 11:12:55,237 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 445 451) no Hoare annotation was computed. [2020-09-21 11:12:55,238 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 452 460) no Hoare annotation was computed. [2020-09-21 11:12:55,238 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 452 460) the Hoare annotation is: true [2020-09-21 11:12:55,238 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 452 460) no Hoare annotation was computed. [2020-09-21 11:12:55,238 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 398 422) the Hoare annotation is: true [2020-09-21 11:12:55,238 INFO L264 CegarLoopResult]: At program point L412(line 412) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 11:12:55,238 INFO L268 CegarLoopResult]: For program point L410(lines 410 416) no Hoare annotation was computed. [2020-09-21 11:12:55,239 INFO L264 CegarLoopResult]: At program point L408(line 408) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 11:12:55,239 INFO L268 CegarLoopResult]: For program point L408-1(line 408) no Hoare annotation was computed. [2020-09-21 11:12:55,239 INFO L268 CegarLoopResult]: For program point L406(lines 406 419) no Hoare annotation was computed. [2020-09-21 11:12:55,239 INFO L268 CegarLoopResult]: For program point L406-1(lines 398 422) no Hoare annotation was computed. [2020-09-21 11:12:55,239 INFO L271 CegarLoopResult]: At program point L404(line 404) the Hoare annotation is: true [2020-09-21 11:12:55,239 INFO L268 CegarLoopResult]: For program point L404-1(line 404) no Hoare annotation was computed. [2020-09-21 11:12:55,239 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 398 422) no Hoare annotation was computed. [2020-09-21 11:12:55,240 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 900 922) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:55,240 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 900 922) no Hoare annotation was computed. [2020-09-21 11:12:55,240 INFO L264 CegarLoopResult]: At program point L912(line 912) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:55,240 INFO L264 CegarLoopResult]: At program point L912-1(line 912) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:55,240 INFO L268 CegarLoopResult]: For program point L910(lines 910 917) no Hoare annotation was computed. [2020-09-21 11:12:55,240 INFO L268 CegarLoopResult]: For program point L910-1(lines 910 917) no Hoare annotation was computed. [2020-09-21 11:12:55,240 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 900 922) no Hoare annotation was computed. [2020-09-21 11:12:55,241 INFO L268 CegarLoopResult]: For program point L908(line 908) no Hoare annotation was computed. [2020-09-21 11:12:55,241 INFO L264 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:55,241 INFO L264 CegarLoopResult]: At program point L906(line 906) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:55,241 INFO L264 CegarLoopResult]: At program point L906-1(line 906) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:55,241 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-09-21 11:12:55,241 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-09-21 11:12:55,242 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 859 882) no Hoare annotation was computed. [2020-09-21 11:12:55,242 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 859 882) no Hoare annotation was computed. [2020-09-21 11:12:55,242 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 859 882) no Hoare annotation was computed. [2020-09-21 11:12:55,242 INFO L268 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-09-21 11:12:55,242 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-09-21 11:12:55,242 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-09-21 11:12:55,242 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-09-21 11:12:55,242 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-09-21 11:12:55,243 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-09-21 11:12:55,243 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-09-21 11:12:55,243 INFO L268 CegarLoopResult]: For program point L870(line 870) no Hoare annotation was computed. [2020-09-21 11:12:55,243 INFO L268 CegarLoopResult]: For program point L869(line 869) no Hoare annotation was computed. [2020-09-21 11:12:55,243 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-09-21 11:12:55,243 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-09-21 11:12:55,243 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-09-21 11:12:55,243 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 235 243) no Hoare annotation was computed. [2020-09-21 11:12:55,243 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 235 243) the Hoare annotation is: true [2020-09-21 11:12:55,244 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 235 243) no Hoare annotation was computed. [2020-09-21 11:12:55,244 INFO L268 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-09-21 11:12:55,244 INFO L271 CegarLoopResult]: At program point L287(line 287) the Hoare annotation is: true [2020-09-21 11:12:55,244 INFO L268 CegarLoopResult]: For program point L289-2(lines 289 293) no Hoare annotation was computed. [2020-09-21 11:12:55,244 INFO L268 CegarLoopResult]: For program point L287-1(line 287) no Hoare annotation was computed. [2020-09-21 11:12:55,244 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 280 298) the Hoare annotation is: true [2020-09-21 11:12:55,244 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 280 298) no Hoare annotation was computed. [2020-09-21 11:12:55,244 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 280 298) no Hoare annotation was computed. [2020-09-21 11:12:55,245 INFO L268 CegarLoopResult]: For program point L251(lines 251 259) no Hoare annotation was computed. [2020-09-21 11:12:55,245 INFO L268 CegarLoopResult]: For program point L251-2(lines 251 259) no Hoare annotation was computed. [2020-09-21 11:12:55,245 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-09-21 11:12:55,245 INFO L268 CegarLoopResult]: For program point L274-1(line 274) no Hoare annotation was computed. [2020-09-21 11:12:55,245 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 244 279) no Hoare annotation was computed. [2020-09-21 11:12:55,245 INFO L268 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2020-09-21 11:12:55,245 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 244 279) no Hoare annotation was computed. [2020-09-21 11:12:55,246 INFO L268 CegarLoopResult]: For program point L263-2(lines 263 271) no Hoare annotation was computed. [2020-09-21 11:12:55,246 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 244 279) no Hoare annotation was computed. [2020-09-21 11:12:55,246 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 438 444) no Hoare annotation was computed. [2020-09-21 11:12:55,246 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 438 444) the Hoare annotation is: true [2020-09-21 11:12:55,246 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 468 513) no Hoare annotation was computed. [2020-09-21 11:12:55,246 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 468 513) no Hoare annotation was computed. [2020-09-21 11:12:55,246 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 468 513) no Hoare annotation was computed. [2020-09-21 11:12:55,246 INFO L268 CegarLoopResult]: For program point L801(lines 801 808) no Hoare annotation was computed. [2020-09-21 11:12:55,246 INFO L268 CegarLoopResult]: For program point L795(lines 795 815) no Hoare annotation was computed. [2020-09-21 11:12:55,247 INFO L268 CegarLoopResult]: For program point L795-1(lines 795 815) no Hoare annotation was computed. [2020-09-21 11:12:55,247 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 781 826) no Hoare annotation was computed. [2020-09-21 11:12:55,247 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 781 826) no Hoare annotation was computed. [2020-09-21 11:12:55,247 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 781 826) no Hoare annotation was computed. [2020-09-21 11:12:55,247 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 890 899) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:55,247 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 890 899) no Hoare annotation was computed. [2020-09-21 11:12:55,247 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 890 899) no Hoare annotation was computed. [2020-09-21 11:12:55,247 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 224 234) no Hoare annotation was computed. [2020-09-21 11:12:55,248 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 224 234) no Hoare annotation was computed. [2020-09-21 11:12:55,248 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 224 234) no Hoare annotation was computed. [2020-09-21 11:12:55,248 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-09-21 11:12:55,248 INFO L268 CegarLoopResult]: For program point L229-1(line 229) no Hoare annotation was computed. [2020-09-21 11:12:55,248 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 216 223) the Hoare annotation is: true [2020-09-21 11:12:55,248 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 216 223) no Hoare annotation was computed. [2020-09-21 11:12:55,248 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 216 223) no Hoare annotation was computed. [2020-09-21 11:12:55,248 INFO L264 CegarLoopResult]: At program point L184(line 184) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:12:55,249 INFO L268 CegarLoopResult]: For program point L184-1(lines 165 189) no Hoare annotation was computed. [2020-09-21 11:12:55,249 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 165 189) no Hoare annotation was computed. [2020-09-21 11:12:55,249 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 165 189) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-09-21 11:12:55,249 INFO L264 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:55,249 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:55,249 INFO L268 CegarLoopResult]: For program point L173(lines 173 181) no Hoare annotation was computed. [2020-09-21 11:12:55,249 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 (not (= ~waterLevel~0 2)) .cse1))) [2020-09-21 11:12:55,250 INFO L268 CegarLoopResult]: For program point L171-1(line 171) no Hoare annotation was computed. [2020-09-21 11:12:55,250 INFO L268 CegarLoopResult]: For program point L169(lines 169 186) no Hoare annotation was computed. [2020-09-21 11:12:55,250 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 157 163) no Hoare annotation was computed. [2020-09-21 11:12:55,250 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 157 163) the Hoare annotation is: true [2020-09-21 11:12:55,250 INFO L264 CegarLoopResult]: At program point testENTRY(lines 54 119) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 11:12:55,250 INFO L268 CegarLoopResult]: For program point testFINAL(lines 54 119) no Hoare annotation was computed. [2020-09-21 11:12:55,250 INFO L264 CegarLoopResult]: At program point L112(lines 63 113) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:12:55,251 INFO L268 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2020-09-21 11:12:55,251 INFO L264 CegarLoopResult]: At program point L102-2(lines 94 107) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:55,251 INFO L268 CegarLoopResult]: For program point L65(lines 64 111) no Hoare annotation was computed. [2020-09-21 11:12:55,251 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:55,251 INFO L268 CegarLoopResult]: For program point L94(lines 94 107) no Hoare annotation was computed. [2020-09-21 11:12:55,251 INFO L264 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:55,251 INFO L268 CegarLoopResult]: For program point L84(lines 84 90) no Hoare annotation was computed. [2020-09-21 11:12:55,252 INFO L268 CegarLoopResult]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2020-09-21 11:12:55,252 INFO L264 CegarLoopResult]: At program point L109(lines 64 111) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)))) [2020-09-21 11:12:55,252 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2))) [2020-09-21 11:12:55,252 INFO L268 CegarLoopResult]: For program point L74(lines 74 80) no Hoare annotation was computed. [2020-09-21 11:12:55,252 INFO L268 CegarLoopResult]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2020-09-21 11:12:55,252 INFO L268 CegarLoopResult]: For program point testEXIT(lines 54 119) no Hoare annotation was computed. [2020-09-21 11:12:55,252 INFO L268 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-09-21 11:12:55,252 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 735 780) no Hoare annotation was computed. [2020-09-21 11:12:55,253 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 735 780) no Hoare annotation was computed. [2020-09-21 11:12:55,253 INFO L268 CegarLoopResult]: For program point L755(lines 755 762) no Hoare annotation was computed. [2020-09-21 11:12:55,253 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 735 780) no Hoare annotation was computed. [2020-09-21 11:12:55,253 INFO L268 CegarLoopResult]: For program point L749(lines 749 769) no Hoare annotation was computed. [2020-09-21 11:12:55,253 INFO L268 CegarLoopResult]: For program point L749-1(lines 749 769) no Hoare annotation was computed. [2020-09-21 11:12:55,253 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 190 197) no Hoare annotation was computed. [2020-09-21 11:12:55,253 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 190 197) no Hoare annotation was computed. [2020-09-21 11:12:55,253 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 190 197) no Hoare annotation was computed. [2020-09-21 11:12:55,253 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 388 396) no Hoare annotation was computed. [2020-09-21 11:12:55,254 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 388 396) the Hoare annotation is: true [2020-09-21 11:12:55,254 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 388 396) no Hoare annotation was computed. [2020-09-21 11:12:55,254 INFO L268 CegarLoopResult]: For program point L364(lines 364 372) no Hoare annotation was computed. [2020-09-21 11:12:55,254 INFO L268 CegarLoopResult]: For program point L364-2(lines 364 372) no Hoare annotation was computed. [2020-09-21 11:12:55,254 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 356 378) no Hoare annotation was computed. [2020-09-21 11:12:55,254 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 356 378) no Hoare annotation was computed. [2020-09-21 11:12:55,254 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 356 378) no Hoare annotation was computed. [2020-09-21 11:12:55,254 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 428 437) no Hoare annotation was computed. [2020-09-21 11:12:55,255 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 428 437) no Hoare annotation was computed. [2020-09-21 11:12:55,255 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 428 437) no Hoare annotation was computed. [2020-09-21 11:12:55,255 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 632 734) no Hoare annotation was computed. [2020-09-21 11:12:55,255 INFO L268 CegarLoopResult]: For program point L702(lines 680 703) no Hoare annotation was computed. [2020-09-21 11:12:55,255 INFO L268 CegarLoopResult]: For program point L661(lines 661 677) no Hoare annotation was computed. [2020-09-21 11:12:55,255 INFO L268 CegarLoopResult]: For program point L721(lines 721 728) no Hoare annotation was computed. [2020-09-21 11:12:55,255 INFO L268 CegarLoopResult]: For program point L682(lines 681 701) no Hoare annotation was computed. [2020-09-21 11:12:55,255 INFO L268 CegarLoopResult]: For program point L713(line 713) no Hoare annotation was computed. [2020-09-21 11:12:55,255 INFO L268 CegarLoopResult]: For program point L713-1(line 713) no Hoare annotation was computed. [2020-09-21 11:12:55,255 INFO L268 CegarLoopResult]: For program point L678(lines 678 719) no Hoare annotation was computed. [2020-09-21 11:12:55,255 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 632 734) no Hoare annotation was computed. [2020-09-21 11:12:55,256 INFO L268 CegarLoopResult]: For program point L697(line 697) no Hoare annotation was computed. [2020-09-21 11:12:55,256 INFO L268 CegarLoopResult]: For program point L697-1(line 697) no Hoare annotation was computed. [2020-09-21 11:12:55,256 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 632 734) no Hoare annotation was computed. [2020-09-21 11:12:55,256 INFO L268 CegarLoopResult]: For program point L656(lines 656 660) no Hoare annotation was computed. [2020-09-21 11:12:55,256 INFO L268 CegarLoopResult]: For program point L720(lines 720 731) no Hoare annotation was computed. [2020-09-21 11:12:55,256 INFO L268 CegarLoopResult]: For program point L683(lines 683 687) no Hoare annotation was computed. [2020-09-21 11:12:55,256 INFO L268 CegarLoopResult]: For program point L681-2(lines 681 701) no Hoare annotation was computed. [2020-09-21 11:12:55,256 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:55,256 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:12:55,257 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:55,257 INFO L268 CegarLoopResult]: For program point L210-1(lines 199 215) no Hoare annotation was computed. [2020-09-21 11:12:55,257 INFO L268 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2020-09-21 11:12:55,257 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-09-21 11:12:55,257 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 199 215) no Hoare annotation was computed. [2020-09-21 11:12:55,257 INFO L268 CegarLoopResult]: For program point L204-1(line 204) no Hoare annotation was computed. [2020-09-21 11:12:55,257 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 199 215) no Hoare annotation was computed. [2020-09-21 11:12:55,257 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-09-21 11:12:55,257 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 379 387) the Hoare annotation is: true [2020-09-21 11:12:55,257 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 379 387) no Hoare annotation was computed. [2020-09-21 11:12:55,258 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 379 387) no Hoare annotation was computed. [2020-09-21 11:12:55,258 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 335 346) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-09-21 11:12:55,258 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 335 346) no Hoare annotation was computed. [2020-09-21 11:12:55,258 INFO L268 CegarLoopResult]: For program point L339-1(lines 335 346) no Hoare annotation was computed. [2020-09-21 11:12:55,258 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:55,258 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:12:55,258 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:55,258 INFO L264 CegarLoopResult]: At program point L146(line 146) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2 (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 11:12:55,258 INFO L264 CegarLoopResult]: At program point L144(lines 144 150) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2))) [2020-09-21 11:12:55,259 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 133 156) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2 (and (= 2 ~waterLevel~0) .cse0)))) [2020-09-21 11:12:55,259 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-09-21 11:12:55,259 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 133 156) no Hoare annotation was computed. [2020-09-21 11:12:55,259 INFO L268 CegarLoopResult]: For program point L137(lines 136 155) no Hoare annotation was computed. [2020-09-21 11:12:55,259 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 133 156) no Hoare annotation was computed. [2020-09-21 11:12:55,259 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 829 858) no Hoare annotation was computed. [2020-09-21 11:12:55,259 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 829 858) the Hoare annotation is: true [2020-09-21 11:12:55,259 INFO L271 CegarLoopResult]: At program point L854(lines 829 858) the Hoare annotation is: true [2020-09-21 11:12:55,260 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-09-21 11:12:55,260 INFO L268 CegarLoopResult]: For program point L843(lines 843 847) no Hoare annotation was computed. [2020-09-21 11:12:55,260 INFO L271 CegarLoopResult]: At program point L843-1(lines 843 847) the Hoare annotation is: true [2020-09-21 11:12:55,260 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-09-21 11:12:55,260 INFO L271 CegarLoopResult]: At program point L839-2(lines 839 853) the Hoare annotation is: true [2020-09-21 11:12:55,260 INFO L271 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: true [2020-09-21 11:12:55,260 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-09-21 11:12:55,261 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 347 355) no Hoare annotation was computed. [2020-09-21 11:12:55,261 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 347 355) no Hoare annotation was computed. [2020-09-21 11:12:55,261 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 347 355) no Hoare annotation was computed. [2020-09-21 11:12:55,261 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 311 322) the Hoare annotation is: true [2020-09-21 11:12:55,261 INFO L268 CegarLoopResult]: For program point L315-1(lines 311 322) no Hoare annotation was computed. [2020-09-21 11:12:55,261 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 311 322) no Hoare annotation was computed. [2020-09-21 11:12:55,261 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 883 889) no Hoare annotation was computed. [2020-09-21 11:12:55,261 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 883 889) the Hoare annotation is: true [2020-09-21 11:12:55,262 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:12:55,262 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:12:55,262 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:12:55,262 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:12:55,262 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 299 306) no Hoare annotation was computed. [2020-09-21 11:12:55,262 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 299 306) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= 1 ~systemActive~0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:12:55,263 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 299 306) no Hoare annotation was computed. [2020-09-21 11:12:55,263 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 323 334) no Hoare annotation was computed. [2020-09-21 11:12:55,263 INFO L268 CegarLoopResult]: For program point L327-1(lines 323 334) no Hoare annotation was computed. [2020-09-21 11:12:55,263 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 323 334) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:12:55,263 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-09-21 11:12:55,263 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-09-21 11:12:55,263 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-09-21 11:12:55,264 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-09-21 11:12:55,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:12:55 BoogieIcfgContainer [2020-09-21 11:12:55,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:12:55,287 INFO L168 Benchmark]: Toolchain (without parser) took 43655.26 ms. Allocated memory was 141.0 MB in the beginning and 645.4 MB in the end (delta: 504.4 MB). Free memory was 103.3 MB in the beginning and 383.2 MB in the end (delta: -280.0 MB). Peak memory consumption was 524.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:55,288 INFO L168 Benchmark]: CDTParser took 0.90 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:12:55,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.13 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.6 MB in the beginning and 171.1 MB in the end (delta: -68.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:55,289 INFO L168 Benchmark]: Boogie Preprocessor took 109.23 ms. Allocated memory is still 204.5 MB. Free memory was 171.1 MB in the beginning and 166.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:55,290 INFO L168 Benchmark]: RCFGBuilder took 1229.79 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 166.8 MB in the beginning and 193.6 MB in the end (delta: -26.7 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:55,291 INFO L168 Benchmark]: TraceAbstraction took 41585.79 ms. Allocated memory was 234.9 MB in the beginning and 645.4 MB in the end (delta: 410.5 MB). Free memory was 192.2 MB in the beginning and 383.2 MB in the end (delta: -191.0 MB). Peak memory consumption was 519.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:12:55,294 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 721.13 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.6 MB in the beginning and 171.1 MB in the end (delta: -68.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.23 ms. Allocated memory is still 204.5 MB. Free memory was 171.1 MB in the beginning and 166.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1229.79 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 166.8 MB in the beginning and 193.6 MB in the end (delta: -26.7 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 41585.79 ms. Allocated memory was 234.9 MB in the beginning and 645.4 MB in the end (delta: 410.5 MB). Free memory was 192.2 MB in the beginning and 383.2 MB in the end (delta: -191.0 MB). Peak memory consumption was 519.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || (((2 == waterLevel && splverifierCounter <= 0) && 1 == systemActive) && pumpRunning == 0)) || (((\old(waterLevel) == waterLevel && splverifierCounter <= 0) && 1 == systemActive) && pumpRunning == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 20.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 595 SDtfs, 957 SDslu, 464 SDs, 0 SdLazy, 2526 SolverSat, 671 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=348occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 236 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 354 PreInvPairs, 377 NumberOfFragments, 1081 HoareAnnotationTreeSize, 354 FomulaSimplifications, 78083 FormulaSimplificationTreeSizeReduction, 11.4s HoareSimplificationTime, 51 FomulaSimplificationsInter, 9625 FormulaSimplificationTreeSizeReductionInter, 9.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 333 NumberOfCodeBlocks, 333 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 327 ConstructedInterpolants, 0 QuantifiedInterpolants, 93946 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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...