/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 enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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_spec2_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:09:00,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:09:00,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:09:00,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:09:00,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:09:00,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:09:00,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:09:00,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:09:00,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:09:00,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:09:00,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:09:00,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:09:00,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:09:00,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:09:00,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:09:00,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:09:00,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:09:00,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:09:00,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:09:00,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:09:00,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:09:00,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:09:00,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:09:00,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:09:00,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:09:00,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:09:00,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:09:00,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:09:00,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:09:00,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:09:00,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:09:00,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:09:00,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:09:00,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:09:00,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:09:00,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:09:00,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:09:00,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:09:00,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:09:00,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:09:00,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:09:00,546 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 12:09:00,604 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:09:00,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:09:00,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:09:00,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:09:00,607 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:09:00,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:09:00,608 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:09:00,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:09:00,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:09:00,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:09:00,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:09:00,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:09:00,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:09:00,609 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:09:00,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:09:00,609 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:09:00,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:09:00,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:09:00,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:09:00,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:09:00,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:09:00,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:09:00,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:09:00,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:09:00,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:09:00,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:09:00,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:09:00,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:09:00,614 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:09:00,614 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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;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;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:09:01,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:09:01,099 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:09:01,104 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:09:01,106 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:09:01,107 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:09:01,109 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product23.cil.c [2020-09-21 12:09:01,202 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0ac91a7fe/5b37f68bf0254e30bae87a731645182d/FLAG486d321f0 [2020-09-21 12:09:01,796 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:09:01,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product23.cil.c [2020-09-21 12:09:01,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0ac91a7fe/5b37f68bf0254e30bae87a731645182d/FLAG486d321f0 [2020-09-21 12:09:02,080 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0ac91a7fe/5b37f68bf0254e30bae87a731645182d [2020-09-21 12:09:02,093 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:09:02,099 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:09:02,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:09:02,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:09:02,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:09:02,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:09:02" (1/1) ... [2020-09-21 12:09:02,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:02, skipping insertion in model container [2020-09-21 12:09:02,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:09:02" (1/1) ... [2020-09-21 12:09:02,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:09:02,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:09:02,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:09:02,602 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:09:02,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:09:02,862 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:09:02,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:02 WrapperNode [2020-09-21 12:09:02,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:09:02,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:09:02,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:09:02,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:09:02,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:02" (1/1) ... [2020-09-21 12:09:02,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:02" (1/1) ... [2020-09-21 12:09:02,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:02" (1/1) ... [2020-09-21 12:09:02,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:02" (1/1) ... [2020-09-21 12:09:02,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:02" (1/1) ... [2020-09-21 12:09:02,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:02" (1/1) ... [2020-09-21 12:09:02,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:02" (1/1) ... [2020-09-21 12:09:02,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:09:02,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:09:02,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:09:02,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:09:02,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:02" (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 12:09:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:09:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:09:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:09:03,059 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:09:03,059 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:09:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:09:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:09:03,060 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:09:03,061 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:09:03,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:09:03,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:09:03,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:09:03,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:09:03,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:09:03,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:09:03,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:09:03,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:09:03,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:09:03,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:09:03,064 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:09:03,064 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:09:03,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:09:03,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 12:09:03,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:09:03,065 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:09:03,066 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:09:03,067 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:09:03,067 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:09:03,067 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:09:03,067 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:09:03,067 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:09:03,067 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:09:03,068 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:09:03,068 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:09:03,068 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:09:03,068 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:09:03,069 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:09:03,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:09:03,069 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:09:03,069 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:09:03,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:09:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:09:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:09:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:09:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:09:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:09:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:09:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:09:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:09:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:09:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:09:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:09:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:09:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:09:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:09:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:09:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:09:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:09:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:09:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:09:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:09:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:09:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:09:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:09:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:09:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:09:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:09:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:09:03,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:09:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:09:03,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:09:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:09:03,076 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:09:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:09:03,077 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:09:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:09:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:09:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:09:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:09:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:09:03,078 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:09:03,079 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 12:09:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:09:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:09:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:09:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:09:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:09:03,080 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:09:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:09:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:09:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:09:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:09:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:09:03,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:09:04,231 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:09:04,231 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:09:04,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:09:04 BoogieIcfgContainer [2020-09-21 12:09:04,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:09:04,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:09:04,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:09:04,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:09:04,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:09:02" (1/3) ... [2020-09-21 12:09:04,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd31be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:09:04, skipping insertion in model container [2020-09-21 12:09:04,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:02" (2/3) ... [2020-09-21 12:09:04,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd31be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:09:04, skipping insertion in model container [2020-09-21 12:09:04,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:09:04" (3/3) ... [2020-09-21 12:09:04,247 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product23.cil.c [2020-09-21 12:09:04,258 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:09:04,269 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:09:04,289 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:09:04,319 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:09:04,319 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:09:04,319 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:09:04,320 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:09:04,320 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:09:04,320 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:09:04,320 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:09:04,320 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:09:04,345 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-09-21 12:09:04,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:09:04,357 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:04,358 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] [2020-09-21 12:09:04,359 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:04,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:04,366 INFO L82 PathProgramCache]: Analyzing trace with hash 2113411810, now seen corresponding path program 1 times [2020-09-21 12:09:04,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:04,376 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [552555879] [2020-09-21 12:09:04,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:04,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:04,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:05,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:05,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:09:05,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:05,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1017 [2020-09-21 12:09:05,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:05,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:05,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:09:05,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:05,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-21 12:09:06,174 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:06,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:06,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:06,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:06,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:06,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:06,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 12:09:06,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:06,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:06,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:06,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:06,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:06,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:06,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:06,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:06,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:06,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:06,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:06,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:06,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:06,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:06,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:06,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:06,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:06,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:06,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:06,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:06,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:06,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:06,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:06,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:06,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:06,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:06,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:06,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:06,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:06,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:06,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:06,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:06,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:06,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:06,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:06,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:06,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:06,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:06,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:06,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:06,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:06,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:06,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:06,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:06,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:06,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:06,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:06,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:06,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:06,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:06,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:06,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:06,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:06,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:06,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:06,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:06,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:06,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:06,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:06,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:06,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:09:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:06,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:06,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:06,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:06,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:06,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:06,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:06,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:06,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:06,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:06,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:06,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:09:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:06,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:06,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:06,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:06,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:06,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:06,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:06,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:06,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:06,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:06,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:06,367 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 12:09:06,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [552555879] [2020-09-21 12:09:06,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:06,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:09:06,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182037048] [2020-09-21 12:09:06,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:09:06,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:06,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:09:06,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:09:06,399 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 4 states. [2020-09-21 12:09:07,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:07,662 INFO L93 Difference]: Finished difference Result 293 states and 388 transitions. [2020-09-21 12:09:07,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:09:07,665 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:09:07,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:07,683 INFO L225 Difference]: With dead ends: 293 [2020-09-21 12:09:07,683 INFO L226 Difference]: Without dead ends: 164 [2020-09-21 12:09:07,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:09:07,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-09-21 12:09:07,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 130. [2020-09-21 12:09:07,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-09-21 12:09:07,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 155 transitions. [2020-09-21 12:09:07,836 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 155 transitions. Word has length 51 [2020-09-21 12:09:07,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:07,836 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 155 transitions. [2020-09-21 12:09:07,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:09:07,837 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 155 transitions. [2020-09-21 12:09:07,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:09:07,848 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:07,848 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 12:09:07,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:09:07,849 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:07,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:07,849 INFO L82 PathProgramCache]: Analyzing trace with hash 689903490, now seen corresponding path program 1 times [2020-09-21 12:09:07,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:07,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1899821345] [2020-09-21 12:09:07,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:07,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:08,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:08,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:08,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:09:08,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:08,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1028 [2020-09-21 12:09:08,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:08,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:08,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:09:08,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:09:08,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:09,230 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:09,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:09,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:09,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:09,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:09,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:09,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-21 12:09:09,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:09,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:09,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:09,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:09,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:09,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:09,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:09,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:09,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:09,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:09,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:09,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:09,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:09,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:09,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:09,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:09,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:09,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:09,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:09,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:09,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:09,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:09,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:09,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:09,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:09,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:09,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:09,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:09,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:09,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:09,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:09,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:09,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:09,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:09,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:09,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:09,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:09,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:09,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:09,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:09,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:09,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:09,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:09,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:09,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:09,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:09,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:09,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:09,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:09,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:09,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:09,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:09,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:09,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:09,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:09,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:09,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:09,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:09,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:09,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:09:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:09,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:09,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:09,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:09,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:09,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:09,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:09,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:09,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:09,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:09:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:09,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:09,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:09,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:09,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:09,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:09,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:09,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:09,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:09,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:09,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:09,384 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 12:09:09,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1899821345] [2020-09-21 12:09:09,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:09,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:09:09,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786909189] [2020-09-21 12:09:09,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:09:09,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:09,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:09:09,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:09:09,388 INFO L87 Difference]: Start difference. First operand 130 states and 155 transitions. Second operand 5 states. [2020-09-21 12:09:09,929 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:10,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:10,962 INFO L93 Difference]: Finished difference Result 232 states and 291 transitions. [2020-09-21 12:09:10,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:09:10,964 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 12:09:10,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:10,967 INFO L225 Difference]: With dead ends: 232 [2020-09-21 12:09:10,970 INFO L226 Difference]: Without dead ends: 154 [2020-09-21 12:09:10,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:09:10,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-09-21 12:09:11,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 121. [2020-09-21 12:09:11,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-09-21 12:09:11,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 143 transitions. [2020-09-21 12:09:11,025 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 143 transitions. Word has length 52 [2020-09-21 12:09:11,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:11,025 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 143 transitions. [2020-09-21 12:09:11,025 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:09:11,025 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 143 transitions. [2020-09-21 12:09:11,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-21 12:09:11,027 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:11,027 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] [2020-09-21 12:09:11,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:09:11,028 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:11,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:11,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1868242676, now seen corresponding path program 1 times [2020-09-21 12:09:11,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:11,029 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1627296811] [2020-09-21 12:09:11,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:11,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:11,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:12,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:12,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 12:09:12,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:12,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1010 [2020-09-21 12:09:12,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:12,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:09:12,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:12,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 12:09:12,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:12,451 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:12,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:12,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:12,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:12,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:12,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:12,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-21 12:09:12,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:12,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:12,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:12,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:09:12,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:12,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:12,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:12,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:12,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:12,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:12,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:12,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:12,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:12,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:12,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:12,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:12,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:12,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:12,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:12,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:12,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:12,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:12,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:12,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:12,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:12,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:12,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:12,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:12,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:12,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:12,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:12,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:12,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:09:12,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:12,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:12,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:12,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:12,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:12,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:12,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:12,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:12,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:12,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:12,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:12,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:12,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:12,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:12,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:12,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:12,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:12,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:12,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:12,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:12,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:12,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:12,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:12,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:12,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:12,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:12,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:12,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 12:09:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:12,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:12,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:12,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:12,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:12,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:12,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:12,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:12,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:12,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:12,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:12,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:09:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:12,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:12,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:12,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:12,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:12,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:12,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:12,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:12,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:12,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:12,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:12,696 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 12:09:12,697 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1627296811] [2020-09-21 12:09:12,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:12,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:09:12,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739494015] [2020-09-21 12:09:12,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:09:12,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:12,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:09:12,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:09:12,699 INFO L87 Difference]: Start difference. First operand 121 states and 143 transitions. Second operand 5 states. [2020-09-21 12:09:13,033 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:14,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:14,932 INFO L93 Difference]: Finished difference Result 351 states and 447 transitions. [2020-09-21 12:09:14,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:09:14,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-09-21 12:09:14,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:14,938 INFO L225 Difference]: With dead ends: 351 [2020-09-21 12:09:14,939 INFO L226 Difference]: Without dead ends: 258 [2020-09-21 12:09:14,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:09:14,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2020-09-21 12:09:15,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 208. [2020-09-21 12:09:15,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-09-21 12:09:15,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 253 transitions. [2020-09-21 12:09:15,021 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 253 transitions. Word has length 56 [2020-09-21 12:09:15,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:15,021 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 253 transitions. [2020-09-21 12:09:15,022 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:09:15,022 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 253 transitions. [2020-09-21 12:09:15,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 12:09:15,023 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:15,023 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] [2020-09-21 12:09:15,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:09:15,024 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:15,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:15,024 INFO L82 PathProgramCache]: Analyzing trace with hash -35458838, now seen corresponding path program 1 times [2020-09-21 12:09:15,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:15,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1385554269] [2020-09-21 12:09:15,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:15,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-09-21 12:09:16,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:16,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1025 [2020-09-21 12:09:16,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:09:16,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:16,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 12:09:16,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:16,561 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:16,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:16,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:16,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:16,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-09-21 12:09:16,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:16,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:16,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:09:16,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:16,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:16,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:16,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:16,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:09:16,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:16,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:16,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:16,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:16,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:16,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:16,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:16,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:16,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:16,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:16,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:16,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:16,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:16,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:16,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:16,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:09:16,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:16,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:16,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:16,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:16,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:16,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:16,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:16,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:16,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:16,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:16,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:16,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:16,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:16,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:16,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:16,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:09:16,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:16,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:16,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:16,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:16,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:09:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:16,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:09:16,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:16,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:09:16,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:16,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:16,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:09:16,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:16,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:09:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:16,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:16,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:16,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:09:16,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:09:16,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:16,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:16,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:16,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 12:09:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:16,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:16,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:16,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:16,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:16,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:16,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:16,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:16,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:16,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:16,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:16,943 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 12:09:16,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1385554269] [2020-09-21 12:09:16,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:16,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:09:16,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530107221] [2020-09-21 12:09:16,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:09:16,946 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:16,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:09:16,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:09:16,946 INFO L87 Difference]: Start difference. First operand 208 states and 253 transitions. Second operand 9 states. [2020-09-21 12:09:17,408 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:18,641 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:19,155 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:19,527 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:19,941 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 12:09:21,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:21,466 INFO L93 Difference]: Finished difference Result 667 states and 891 transitions. [2020-09-21 12:09:21,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 12:09:21,467 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-09-21 12:09:21,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:21,473 INFO L225 Difference]: With dead ends: 667 [2020-09-21 12:09:21,473 INFO L226 Difference]: Without dead ends: 487 [2020-09-21 12:09:21,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-21 12:09:21,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2020-09-21 12:09:21,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 371. [2020-09-21 12:09:21,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2020-09-21 12:09:21,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 456 transitions. [2020-09-21 12:09:21,586 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 456 transitions. Word has length 62 [2020-09-21 12:09:21,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:21,586 INFO L479 AbstractCegarLoop]: Abstraction has 371 states and 456 transitions. [2020-09-21 12:09:21,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:09:21,587 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 456 transitions. [2020-09-21 12:09:21,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-09-21 12:09:21,589 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:21,589 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, 1, 1] [2020-09-21 12:09:21,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:09:21,590 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:21,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:21,590 INFO L82 PathProgramCache]: Analyzing trace with hash 2033867398, now seen corresponding path program 1 times [2020-09-21 12:09:21,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:21,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1712139275] [2020-09-21 12:09:21,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:21,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:22,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:22,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:22,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:22,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-21 12:09:22,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:09:22,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1037 [2020-09-21 12:09:22,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:22,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:09:22,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-09-21 12:09:22,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-21 12:09:22,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:23,006 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:23,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:23,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:23,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:23,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:23,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:23,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 12:09:23,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:23,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:23,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:23,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:23,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:23,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:23,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:23,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:23,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:23,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:23,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:23,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:23,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:23,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:23,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:23,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:23,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:23,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:23,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:23,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:23,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:23,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:23,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:23,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:23,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:23,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:23,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:23,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:23,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:23,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:23,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:23,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:23,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:23,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:23,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:23,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:23,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:23,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:23,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:23,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:23,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:23,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:23,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:23,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:23,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:23,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:23,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:23,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:23,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:23,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:23,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:23,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:23,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:23,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:23,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:23,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:23,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:23,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:23,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:23,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:23,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 12:09:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:23,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:23,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:23,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:23,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:23,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:23,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:23,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:23,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 12:09:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:23,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:23,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:23,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:09:23,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:23,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:23,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:23,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:23,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:23,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:23,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:23,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 12:09:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:23,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:23,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:23,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:23,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:23,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:23,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:23,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:23,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:23,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:23,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:23,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-21 12:09:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:23,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:23,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:23,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:23,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:23,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:09:23,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:23,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:09:23,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:23,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:23,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:23,239 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 12:09:23,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1712139275] [2020-09-21 12:09:23,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:23,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 12:09:23,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855989615] [2020-09-21 12:09:23,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 12:09:23,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:23,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 12:09:23,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:09:23,244 INFO L87 Difference]: Start difference. First operand 371 states and 456 transitions. Second operand 10 states. [2020-09-21 12:09:23,771 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:25,280 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-21 12:09:25,651 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:25,981 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 12:09:26,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:26,508 INFO L93 Difference]: Finished difference Result 643 states and 845 transitions. [2020-09-21 12:09:26,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 12:09:26,510 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-09-21 12:09:26,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:26,511 INFO L225 Difference]: With dead ends: 643 [2020-09-21 12:09:26,511 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:09:26,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-09-21 12:09:26,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:09:26,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:09:26,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:09:26,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:09:26,516 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-09-21 12:09:26,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:26,516 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:09:26,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 12:09:26,517 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:09:26,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:09:26,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:09:26,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:09:26,784 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:26,970 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:27,134 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:27,296 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:27,462 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:27,617 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:27,789 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:27,954 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:28,110 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:28,270 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:28,431 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:28,588 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:28,741 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:28,906 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:29,070 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:29,219 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:29,377 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:29,535 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:29,692 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:29,851 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:30,024 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:30,172 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:30,340 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:30,517 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 12:09:30,668 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:30,827 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:30,988 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:31,148 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:31,310 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:31,468 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:31,640 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:31,794 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:31,942 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:32,102 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:32,265 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:32,418 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:32,575 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:32,723 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:32,880 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:33,047 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 6 [2020-09-21 12:09:33,204 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:33,363 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:33,511 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:33,884 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 12:09:34,258 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 12:09:34,548 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-21 12:09:34,897 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 190 [2020-09-21 12:09:35,174 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2020-09-21 12:09:35,521 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 190 [2020-09-21 12:09:35,813 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-21 12:09:36,159 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 190 [2020-09-21 12:09:36,529 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 12:09:36,800 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 189 [2020-09-21 12:09:37,172 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 12:09:37,324 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:37,477 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:37,635 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:37,792 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:37,941 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:38,097 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:38,254 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:38,407 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:38,560 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:38,713 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:38,862 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:39,019 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:39,187 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:39,354 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:39,507 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:39,664 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:39,823 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:39,970 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:40,127 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:40,281 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:40,438 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:40,595 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:41,003 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 6 [2020-09-21 12:09:41,436 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 6 [2020-09-21 12:09:41,601 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:41,765 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:41,934 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:42,090 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:42,238 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:42,395 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:42,548 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:42,701 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 6 [2020-09-21 12:09:42,865 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:43,245 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-21 12:09:43,621 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-21 12:09:43,915 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 191 [2020-09-21 12:09:44,266 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 12:09:44,519 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 189 [2020-09-21 12:09:44,870 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 12:09:45,160 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 191 [2020-09-21 12:09:45,510 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-21 12:09:45,888 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-21 12:09:46,141 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 189 [2020-09-21 12:09:46,516 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-21 12:09:46,689 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:46,861 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:47,008 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:47,161 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:47,314 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:47,471 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:47,628 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:47,780 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:47,938 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:48,095 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:48,247 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:48,400 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:48,548 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:48,705 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:49,131 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-09-21 12:09:49,361 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:49,772 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-09-21 12:09:49,979 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-09-21 12:09:50,201 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:50,616 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-09-21 12:09:50,841 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:51,299 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 13 [2020-09-21 12:09:51,588 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:52,024 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-09-21 12:09:52,456 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-09-21 12:09:52,685 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-21 12:09:53,129 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-09-21 12:09:53,553 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-09-21 12:09:53,915 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-09-21 12:09:54,391 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-09-21 12:09:54,597 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:54,845 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:55,121 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:55,372 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-09-21 12:09:55,618 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:55,841 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-09-21 12:09:56,113 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 12:09:56,546 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 14 [2020-09-21 12:09:57,017 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 11 [2020-09-21 12:09:57,442 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-09-21 12:09:57,448 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-09-21 12:09:57,448 INFO L268 CegarLoopResult]: For program point L254-2(lines 254 275) no Hoare annotation was computed. [2020-09-21 12:09:57,448 INFO L268 CegarLoopResult]: For program point L276(lines 253 277) no Hoare annotation was computed. [2020-09-21 12:09:57,448 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 229 284) no Hoare annotation was computed. [2020-09-21 12:09:57,448 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 229 284) no Hoare annotation was computed. [2020-09-21 12:09:57,449 INFO L268 CegarLoopResult]: For program point L260(lines 260 264) no Hoare annotation was computed. [2020-09-21 12:09:57,449 INFO L268 CegarLoopResult]: For program point L260-1(lines 260 264) no Hoare annotation was computed. [2020-09-21 12:09:57,449 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 229 284) no Hoare annotation was computed. [2020-09-21 12:09:57,449 INFO L268 CegarLoopResult]: For program point L317(lines 317 321) no Hoare annotation was computed. [2020-09-21 12:09:57,449 INFO L268 CegarLoopResult]: For program point L317-1(lines 317 321) no Hoare annotation was computed. [2020-09-21 12:09:57,449 INFO L268 CegarLoopResult]: For program point L312(line 312) no Hoare annotation was computed. [2020-09-21 12:09:57,449 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 285 344) no Hoare annotation was computed. [2020-09-21 12:09:57,449 INFO L268 CegarLoopResult]: For program point L311-2(lines 311 336) no Hoare annotation was computed. [2020-09-21 12:09:57,449 INFO L268 CegarLoopResult]: For program point L337(lines 310 338) no Hoare annotation was computed. [2020-09-21 12:09:57,449 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 285 344) no Hoare annotation was computed. [2020-09-21 12:09:57,450 INFO L268 CegarLoopResult]: For program point L330(line 330) no Hoare annotation was computed. [2020-09-21 12:09:57,450 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 285 344) no Hoare annotation was computed. [2020-09-21 12:09:57,450 INFO L268 CegarLoopResult]: For program point L330-1(line 330) no Hoare annotation was computed. [2020-09-21 12:09:57,450 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 839 845) the Hoare annotation is: true [2020-09-21 12:09:57,450 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 839 845) no Hoare annotation was computed. [2020-09-21 12:09:57,450 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 846 854) no Hoare annotation was computed. [2020-09-21 12:09:57,450 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 846 854) the Hoare annotation is: true [2020-09-21 12:09:57,451 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 846 854) no Hoare annotation was computed. [2020-09-21 12:09:57,451 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 929 951) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:57,451 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 929 951) no Hoare annotation was computed. [2020-09-21 12:09:57,451 INFO L264 CegarLoopResult]: At program point L941(line 941) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:57,451 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 929 951) no Hoare annotation was computed. [2020-09-21 12:09:57,451 INFO L264 CegarLoopResult]: At program point L941-1(line 941) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:57,452 INFO L268 CegarLoopResult]: For program point L939(lines 939 946) no Hoare annotation was computed. [2020-09-21 12:09:57,452 INFO L268 CegarLoopResult]: For program point L939-1(lines 939 946) no Hoare annotation was computed. [2020-09-21 12:09:57,452 INFO L268 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2020-09-21 12:09:57,452 INFO L264 CegarLoopResult]: At program point L936(line 936) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:57,452 INFO L264 CegarLoopResult]: At program point L935(line 935) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:57,452 INFO L264 CegarLoopResult]: At program point L935-1(line 935) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:57,452 INFO L268 CegarLoopResult]: For program point L897(line 897) no Hoare annotation was computed. [2020-09-21 12:09:57,453 INFO L268 CegarLoopResult]: For program point L896(line 896) no Hoare annotation was computed. [2020-09-21 12:09:57,453 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 887 910) no Hoare annotation was computed. [2020-09-21 12:09:57,453 INFO L268 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-09-21 12:09:57,453 INFO L268 CegarLoopResult]: For program point L894(line 894) no Hoare annotation was computed. [2020-09-21 12:09:57,453 INFO L268 CegarLoopResult]: For program point L893(line 893) no Hoare annotation was computed. [2020-09-21 12:09:57,453 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 887 910) no Hoare annotation was computed. [2020-09-21 12:09:57,453 INFO L268 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-09-21 12:09:57,454 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 887 910) no Hoare annotation was computed. [2020-09-21 12:09:57,454 INFO L268 CegarLoopResult]: For program point L905(line 905) no Hoare annotation was computed. [2020-09-21 12:09:57,454 INFO L268 CegarLoopResult]: For program point L904(line 904) no Hoare annotation was computed. [2020-09-21 12:09:57,454 INFO L268 CegarLoopResult]: For program point L903(line 903) no Hoare annotation was computed. [2020-09-21 12:09:57,454 INFO L268 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2020-09-21 12:09:57,454 INFO L268 CegarLoopResult]: For program point L901(line 901) no Hoare annotation was computed. [2020-09-21 12:09:57,454 INFO L268 CegarLoopResult]: For program point L900(line 900) no Hoare annotation was computed. [2020-09-21 12:09:57,454 INFO L268 CegarLoopResult]: For program point L899(line 899) no Hoare annotation was computed. [2020-09-21 12:09:57,454 INFO L268 CegarLoopResult]: For program point L898(line 898) no Hoare annotation was computed. [2020-09-21 12:09:57,454 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 802 816) no Hoare annotation was computed. [2020-09-21 12:09:57,455 INFO L264 CegarLoopResult]: At program point L808(line 808) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:09:57,455 INFO L268 CegarLoopResult]: For program point L806(lines 806 812) no Hoare annotation was computed. [2020-09-21 12:09:57,455 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 802 816) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:09:57,455 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 802 816) no Hoare annotation was computed. [2020-09-21 12:09:57,455 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 738 746) no Hoare annotation was computed. [2020-09-21 12:09:57,455 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 738 746) the Hoare annotation is: true [2020-09-21 12:09:57,455 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 738 746) no Hoare annotation was computed. [2020-09-21 12:09:57,455 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 783 801) the Hoare annotation is: true [2020-09-21 12:09:57,455 INFO L268 CegarLoopResult]: For program point L792(lines 792 796) no Hoare annotation was computed. [2020-09-21 12:09:57,455 INFO L271 CegarLoopResult]: At program point L790(line 790) the Hoare annotation is: true [2020-09-21 12:09:57,455 INFO L268 CegarLoopResult]: For program point L792-2(lines 792 796) no Hoare annotation was computed. [2020-09-21 12:09:57,455 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 783 801) no Hoare annotation was computed. [2020-09-21 12:09:57,456 INFO L268 CegarLoopResult]: For program point L790-1(line 790) no Hoare annotation was computed. [2020-09-21 12:09:57,456 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 783 801) no Hoare annotation was computed. [2020-09-21 12:09:57,456 INFO L268 CegarLoopResult]: For program point L766(lines 766 774) no Hoare annotation was computed. [2020-09-21 12:09:57,456 INFO L268 CegarLoopResult]: For program point L766-2(lines 766 774) no Hoare annotation was computed. [2020-09-21 12:09:57,456 INFO L268 CegarLoopResult]: For program point L754(lines 754 762) no Hoare annotation was computed. [2020-09-21 12:09:57,456 INFO L268 CegarLoopResult]: For program point L754-2(lines 754 762) no Hoare annotation was computed. [2020-09-21 12:09:57,456 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 747 782) no Hoare annotation was computed. [2020-09-21 12:09:57,456 INFO L268 CegarLoopResult]: For program point L777(line 777) no Hoare annotation was computed. [2020-09-21 12:09:57,456 INFO L268 CegarLoopResult]: For program point L777-1(line 777) no Hoare annotation was computed. [2020-09-21 12:09:57,456 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 747 782) no Hoare annotation was computed. [2020-09-21 12:09:57,456 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 747 782) no Hoare annotation was computed. [2020-09-21 12:09:57,456 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 832 838) no Hoare annotation was computed. [2020-09-21 12:09:57,456 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 832 838) the Hoare annotation is: true [2020-09-21 12:09:57,457 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 183 228) no Hoare annotation was computed. [2020-09-21 12:09:57,457 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 183 228) no Hoare annotation was computed. [2020-09-21 12:09:57,457 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 183 228) no Hoare annotation was computed. [2020-09-21 12:09:57,457 INFO L268 CegarLoopResult]: For program point L510(lines 510 530) no Hoare annotation was computed. [2020-09-21 12:09:57,457 INFO L268 CegarLoopResult]: For program point L510-1(lines 510 530) no Hoare annotation was computed. [2020-09-21 12:09:57,457 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 496 541) no Hoare annotation was computed. [2020-09-21 12:09:57,457 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 496 541) no Hoare annotation was computed. [2020-09-21 12:09:57,457 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 496 541) no Hoare annotation was computed. [2020-09-21 12:09:57,458 INFO L268 CegarLoopResult]: For program point L516(lines 516 523) no Hoare annotation was computed. [2020-09-21 12:09:57,458 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 918 928) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:57,458 INFO L264 CegarLoopResult]: At program point L923(line 923) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:57,458 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 918 928) no Hoare annotation was computed. [2020-09-21 12:09:57,458 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 918 928) no Hoare annotation was computed. [2020-09-21 12:09:57,458 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 727 737) the Hoare annotation is: true [2020-09-21 12:09:57,458 INFO L271 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: true [2020-09-21 12:09:57,458 INFO L268 CegarLoopResult]: For program point L732-1(line 732) no Hoare annotation was computed. [2020-09-21 12:09:57,458 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 727 737) no Hoare annotation was computed. [2020-09-21 12:09:57,459 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 727 737) no Hoare annotation was computed. [2020-09-21 12:09:57,459 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 719 726) the Hoare annotation is: true [2020-09-21 12:09:57,459 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 719 726) no Hoare annotation was computed. [2020-09-21 12:09:57,459 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 719 726) no Hoare annotation was computed. [2020-09-21 12:09:57,459 INFO L264 CegarLoopResult]: At program point L705(line 705) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:57,459 INFO L268 CegarLoopResult]: For program point L705-1(lines 686 710) no Hoare annotation was computed. [2020-09-21 12:09:57,459 INFO L264 CegarLoopResult]: At program point L700(line 700) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:09:57,459 INFO L264 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:09:57,459 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 686 710) no Hoare annotation was computed. [2020-09-21 12:09:57,459 INFO L268 CegarLoopResult]: For program point L694(lines 694 702) no Hoare annotation was computed. [2020-09-21 12:09:57,459 INFO L264 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:09:57,460 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 686 710) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:57,460 INFO L268 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-09-21 12:09:57,460 INFO L268 CegarLoopResult]: For program point L690(lines 690 707) no Hoare annotation was computed. [2020-09-21 12:09:57,460 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 652 658) no Hoare annotation was computed. [2020-09-21 12:09:57,460 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 652 658) the Hoare annotation is: true [2020-09-21 12:09:57,460 INFO L264 CegarLoopResult]: At program point testENTRY(lines 555 620) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:57,460 INFO L264 CegarLoopResult]: At program point L603(line 603) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:57,460 INFO L268 CegarLoopResult]: For program point L601(lines 601 607) no Hoare annotation was computed. [2020-09-21 12:09:57,460 INFO L264 CegarLoopResult]: At program point L601-1(lines 595 608) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:57,460 INFO L268 CegarLoopResult]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2020-09-21 12:09:57,460 INFO L268 CegarLoopResult]: For program point L566(lines 565 612) no Hoare annotation was computed. [2020-09-21 12:09:57,461 INFO L268 CegarLoopResult]: For program point L595(lines 595 608) no Hoare annotation was computed. [2020-09-21 12:09:57,461 INFO L264 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:57,461 INFO L268 CegarLoopResult]: For program point L585(lines 585 591) no Hoare annotation was computed. [2020-09-21 12:09:57,461 INFO L268 CegarLoopResult]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2020-09-21 12:09:57,461 INFO L264 CegarLoopResult]: At program point L610(lines 565 612) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:57,461 INFO L264 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:57,461 INFO L268 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2020-09-21 12:09:57,461 INFO L268 CegarLoopResult]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2020-09-21 12:09:57,461 INFO L268 CegarLoopResult]: For program point L567(lines 567 571) no Hoare annotation was computed. [2020-09-21 12:09:57,461 INFO L264 CegarLoopResult]: At program point L613(lines 564 614) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:57,462 INFO L268 CegarLoopResult]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2020-09-21 12:09:57,462 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 450 495) no Hoare annotation was computed. [2020-09-21 12:09:57,462 INFO L268 CegarLoopResult]: For program point L470(lines 470 477) no Hoare annotation was computed. [2020-09-21 12:09:57,462 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 450 495) no Hoare annotation was computed. [2020-09-21 12:09:57,462 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 450 495) no Hoare annotation was computed. [2020-09-21 12:09:57,462 INFO L268 CegarLoopResult]: For program point L464(lines 464 484) no Hoare annotation was computed. [2020-09-21 12:09:57,462 INFO L268 CegarLoopResult]: For program point L464-1(lines 464 484) no Hoare annotation was computed. [2020-09-21 12:09:57,462 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-09-21 12:09:57,462 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-09-21 12:09:57,462 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-09-21 12:09:57,462 INFO L268 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2020-09-21 12:09:57,462 INFO L268 CegarLoopResult]: For program point L159(lines 159 169) no Hoare annotation was computed. [2020-09-21 12:09:57,463 INFO L264 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-09-21 12:09:57,463 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-09-21 12:09:57,463 INFO L268 CegarLoopResult]: For program point L155(lines 155 172) no Hoare annotation was computed. [2020-09-21 12:09:57,463 INFO L268 CegarLoopResult]: For program point L155-1(lines 147 175) no Hoare annotation was computed. [2020-09-21 12:09:57,463 INFO L264 CegarLoopResult]: At program point L153(line 153) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:57,463 INFO L268 CegarLoopResult]: For program point L153-1(line 153) no Hoare annotation was computed. [2020-09-21 12:09:57,463 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 147 175) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:57,463 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 147 175) no Hoare annotation was computed. [2020-09-21 12:09:57,463 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:09:57,463 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-09-21 12:09:57,463 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-09-21 12:09:57,464 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-09-21 12:09:57,464 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-09-21 12:09:57,464 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-09-21 12:09:57,464 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 139 146) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:57,464 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 139 146) no Hoare annotation was computed. [2020-09-21 12:09:57,464 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 139 146) no Hoare annotation was computed. [2020-09-21 12:09:57,464 INFO L268 CegarLoopResult]: For program point L417(lines 395 418) no Hoare annotation was computed. [2020-09-21 12:09:57,464 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 347 449) no Hoare annotation was computed. [2020-09-21 12:09:57,464 INFO L268 CegarLoopResult]: For program point L376(lines 376 392) no Hoare annotation was computed. [2020-09-21 12:09:57,464 INFO L268 CegarLoopResult]: For program point L436(lines 436 443) no Hoare annotation was computed. [2020-09-21 12:09:57,464 INFO L268 CegarLoopResult]: For program point L397(lines 396 416) no Hoare annotation was computed. [2020-09-21 12:09:57,464 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-09-21 12:09:57,464 INFO L268 CegarLoopResult]: For program point L428-1(line 428) no Hoare annotation was computed. [2020-09-21 12:09:57,465 INFO L268 CegarLoopResult]: For program point L393(lines 393 434) no Hoare annotation was computed. [2020-09-21 12:09:57,465 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 347 449) no Hoare annotation was computed. [2020-09-21 12:09:57,465 INFO L268 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-09-21 12:09:57,465 INFO L268 CegarLoopResult]: For program point L412-1(line 412) no Hoare annotation was computed. [2020-09-21 12:09:57,465 INFO L268 CegarLoopResult]: For program point L371(lines 371 375) no Hoare annotation was computed. [2020-09-21 12:09:57,465 INFO L268 CegarLoopResult]: For program point L435(lines 435 446) no Hoare annotation was computed. [2020-09-21 12:09:57,465 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 347 449) no Hoare annotation was computed. [2020-09-21 12:09:57,465 INFO L268 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2020-09-21 12:09:57,466 INFO L268 CegarLoopResult]: For program point L396-2(lines 396 416) no Hoare annotation was computed. [2020-09-21 12:09:57,466 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 822 831) no Hoare annotation was computed. [2020-09-21 12:09:57,466 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 822 831) no Hoare annotation was computed. [2020-09-21 12:09:57,466 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 822 831) no Hoare annotation was computed. [2020-09-21 12:09:57,466 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:57,466 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)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-09-21 12:09:57,466 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:57,466 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 711 718) no Hoare annotation was computed. [2020-09-21 12:09:57,467 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 711 718) no Hoare annotation was computed. [2020-09-21 12:09:57,467 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 711 718) no Hoare annotation was computed. [2020-09-21 12:09:57,467 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-09-21 12:09:57,467 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-09-21 12:09:57,467 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-09-21 12:09:57,467 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-09-21 12:09:57,467 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:09:57,467 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-09-21 12:09:57,467 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:57,467 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:09:57,467 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:57,467 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-09-21 12:09:57,468 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-09-21 12:09:57,468 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-09-21 12:09:57,468 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:57,468 INFO L264 CegarLoopResult]: At program point L639(lines 639 645) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:57,468 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:09:57,468 INFO L268 CegarLoopResult]: For program point L632(lines 631 650) no Hoare annotation was computed. [2020-09-21 12:09:57,468 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 628 651) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:57,468 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 628 651) no Hoare annotation was computed. [2020-09-21 12:09:57,468 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 628 651) no Hoare annotation was computed. [2020-09-21 12:09:57,469 INFO L271 CegarLoopResult]: At program point L867-2(lines 867 881) the Hoare annotation is: true [2020-09-21 12:09:57,469 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 857 886) no Hoare annotation was computed. [2020-09-21 12:09:57,469 INFO L271 CegarLoopResult]: At program point L863(line 863) the Hoare annotation is: true [2020-09-21 12:09:57,469 INFO L268 CegarLoopResult]: For program point L863-1(line 863) no Hoare annotation was computed. [2020-09-21 12:09:57,469 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 857 886) the Hoare annotation is: true [2020-09-21 12:09:57,469 INFO L271 CegarLoopResult]: At program point L882(lines 857 886) the Hoare annotation is: true [2020-09-21 12:09:57,469 INFO L268 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-09-21 12:09:57,469 INFO L268 CegarLoopResult]: For program point L871(lines 871 875) no Hoare annotation was computed. [2020-09-21 12:09:57,469 INFO L271 CegarLoopResult]: At program point L871-1(lines 871 875) the Hoare annotation is: true [2020-09-21 12:09:57,469 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-09-21 12:09:57,469 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-09-21 12:09:57,470 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-09-21 12:09:57,470 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-09-21 12:09:57,470 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 911 917) no Hoare annotation was computed. [2020-09-21 12:09:57,470 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 911 917) the Hoare annotation is: true [2020-09-21 12:09:57,470 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:57,470 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 12:09:57,470 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:09:57,470 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:57,470 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-09-21 12:09:57,471 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-09-21 12:09:57,471 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:09:57,471 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 543 550) no Hoare annotation was computed. [2020-09-21 12:09:57,471 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2020-09-21 12:09:57,471 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 543 550) the Hoare annotation is: true [2020-09-21 12:09:57,471 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 543 550) no Hoare annotation was computed. [2020-09-21 12:09:57,471 INFO L264 CegarLoopResult]: At program point L670(line 670) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:09:57,471 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 660 684) no Hoare annotation was computed. [2020-09-21 12:09:57,471 INFO L268 CegarLoopResult]: For program point L668(lines 668 676) no Hoare annotation was computed. [2020-09-21 12:09:57,471 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 660 684) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:57,472 INFO L264 CegarLoopResult]: At program point L666(line 666) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:09:57,472 INFO L268 CegarLoopResult]: For program point L666-1(line 666) no Hoare annotation was computed. [2020-09-21 12:09:57,472 INFO L268 CegarLoopResult]: For program point L664(lines 664 681) no Hoare annotation was computed. [2020-09-21 12:09:57,472 INFO L264 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:57,472 INFO L268 CegarLoopResult]: For program point L679-1(lines 660 684) no Hoare annotation was computed. [2020-09-21 12:09:57,472 INFO L264 CegarLoopResult]: At program point L674(line 674) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:09:57,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:09:57 BoogieIcfgContainer [2020-09-21 12:09:57,493 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:09:57,495 INFO L168 Benchmark]: Toolchain (without parser) took 55400.40 ms. Allocated memory was 141.0 MB in the beginning and 648.5 MB in the end (delta: 507.5 MB). Free memory was 101.9 MB in the beginning and 585.0 MB in the end (delta: -483.1 MB). Peak memory consumption was 504.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:57,495 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:09:57,496 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.60 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 101.3 MB in the beginning and 173.1 MB in the end (delta: -71.8 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:57,497 INFO L168 Benchmark]: Boogie Preprocessor took 94.35 ms. Allocated memory is still 203.4 MB. Free memory was 173.1 MB in the beginning and 168.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:57,497 INFO L168 Benchmark]: RCFGBuilder took 1278.77 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 168.6 MB in the beginning and 195.5 MB in the end (delta: -26.9 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:57,498 INFO L168 Benchmark]: TraceAbstraction took 53254.17 ms. Allocated memory was 235.9 MB in the beginning and 648.5 MB in the end (delta: 412.6 MB). Free memory was 195.5 MB in the beginning and 585.0 MB in the end (delta: -389.6 MB). Peak memory consumption was 503.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:57,501 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 763.60 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 101.3 MB in the beginning and 173.1 MB in the end (delta: -71.8 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.35 ms. Allocated memory is still 203.4 MB. Free memory was 173.1 MB in the beginning and 168.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1278.77 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 168.6 MB in the beginning and 195.5 MB in the end (delta: -26.9 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 53254.17 ms. Allocated memory was 235.9 MB in the beginning and 648.5 MB in the end (delta: 412.6 MB). Free memory was 195.5 MB in the beginning and 585.0 MB in the end (delta: -389.6 MB). Peak memory consumption was 503.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: 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: 867]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 30.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 530 SDtfs, 914 SDslu, 459 SDs, 0 SdLazy, 1973 SolverSat, 671 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=371occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 233 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 555 PreInvPairs, 620 NumberOfFragments, 777 HoareAnnotationTreeSize, 555 FomulaSimplifications, 152727 FormulaSimplificationTreeSizeReduction, 22.1s HoareSimplificationTime, 61 FomulaSimplificationsInter, 14764 FormulaSimplificationTreeSizeReductionInter, 8.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 79782 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...