/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:15:26,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:15:26,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:15:26,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:15:26,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:15:26,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:15:26,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:15:26,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:15:26,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:15:26,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:15:26,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:15:26,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:15:26,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:15:26,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:15:26,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:15:26,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:15:26,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:15:26,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:15:26,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:15:26,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:15:26,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:15:26,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:15:26,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:15:26,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:15:26,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:15:26,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:15:26,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:15:26,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:15:26,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:15:26,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:15:26,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:15:26,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:15:26,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:15:26,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:15:26,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:15:26,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:15:26,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:15:26,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:15:26,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:15:26,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:15:26,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:15:26,137 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:15:26,171 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:15:26,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:15:26,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:15:26,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:15:26,176 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:15:26,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:15:26,179 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:15:26,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:15:26,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:15:26,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:15:26,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:15:26,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:15:26,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:15:26,181 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:15:26,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:15:26,181 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:15:26,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:15:26,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:15:26,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:15:26,182 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:15:26,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:15:26,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:15:26,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:15:26,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:15:26,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:15:26,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:15:26,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:15:26,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:15:26,186 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:15:26,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:15:26,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:15:26,685 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:15:26,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:15:26,692 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:15:26,693 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:15:26,694 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product26.cil.c [2020-09-21 11:15:26,778 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2f68ad72a/306463524a484b788afecdef7effe6d6/FLAG6927a8d14 [2020-09-21 11:15:27,375 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:15:27,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product26.cil.c [2020-09-21 11:15:27,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2f68ad72a/306463524a484b788afecdef7effe6d6/FLAG6927a8d14 [2020-09-21 11:15:27,657 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2f68ad72a/306463524a484b788afecdef7effe6d6 [2020-09-21 11:15:27,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:15:27,676 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:15:27,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:27,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:15:27,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:15:27,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:27" (1/1) ... [2020-09-21 11:15:27,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14924135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:27, skipping insertion in model container [2020-09-21 11:15:27,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:27" (1/1) ... [2020-09-21 11:15:27,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:15:27,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:15:28,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:28,312 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:15:28,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:28,448 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:15:28,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:28 WrapperNode [2020-09-21 11:15:28,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:28,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:15:28,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:15:28,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:15:28,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:28" (1/1) ... [2020-09-21 11:15:28,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:28" (1/1) ... [2020-09-21 11:15:28,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:28" (1/1) ... [2020-09-21 11:15:28,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:28" (1/1) ... [2020-09-21 11:15:28,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:28" (1/1) ... [2020-09-21 11:15:28,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:28" (1/1) ... [2020-09-21 11:15:28,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:28" (1/1) ... [2020-09-21 11:15:28,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:15:28,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:15:28,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:15:28,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:15:28,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:28" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:15:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:15:28,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:15:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:15:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:15:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:15:28,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:15:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:15:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:15:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:15:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:28,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:15:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:15:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:15:28,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:15:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:15:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:15:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:15:28,649 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:15:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:15:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:15:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:15:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:15:28,650 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:15:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:15:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:15:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:15:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:15:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:15:28,651 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:15:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:15:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:15:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:15:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:15:28,652 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:15:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:15:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:28,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:28,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:15:28,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:15:28,654 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:15:28,654 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:15:28,654 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:15:28,654 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:15:28,654 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:15:28,654 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:15:28,655 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:15:28,655 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:15:28,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:15:28,655 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:15:28,655 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:15:28,656 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:15:28,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:28,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:15:28,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:15:28,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:15:28,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:15:28,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:28,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:15:28,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:28,657 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:28,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:15:28,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:15:28,658 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:15:28,658 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:15:28,658 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:15:28,658 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:15:28,658 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:15:28,658 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:15:28,659 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:15:28,659 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:15:28,659 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:15:28,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:28,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:28,659 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:15:28,660 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:15:28,660 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:15:28,660 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:15:28,660 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:15:28,660 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:15:28,660 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:15:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:15:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:15:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:15:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:15:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:15:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:15:28,661 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:15:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:15:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:15:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:15:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:15:29,772 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:15:29,773 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:15:29,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:29 BoogieIcfgContainer [2020-09-21 11:15:29,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:15:29,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:15:29,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:15:29,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:15:29,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:15:27" (1/3) ... [2020-09-21 11:15:29,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29065224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:29, skipping insertion in model container [2020-09-21 11:15:29,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:28" (2/3) ... [2020-09-21 11:15:29,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29065224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:29, skipping insertion in model container [2020-09-21 11:15:29,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:29" (3/3) ... [2020-09-21 11:15:29,789 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product26.cil.c [2020-09-21 11:15:29,802 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:15:29,813 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:15:29,837 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:15:29,868 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:15:29,868 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:15:29,869 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:15:29,869 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:15:29,869 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:15:29,869 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:15:29,869 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:15:29,869 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:15:29,903 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-09-21 11:15:29,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:15:29,917 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:29,919 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:29,919 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:29,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:29,926 INFO L82 PathProgramCache]: Analyzing trace with hash -926205877, now seen corresponding path program 1 times [2020-09-21 11:15:29,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:29,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [10884397] [2020-09-21 11:15:29,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:15:30,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:15:30,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:15:30,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:30,691 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:30,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:30,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:30,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:30,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:30,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:30,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:30,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:30,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:30,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:30,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:30,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:30,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:30,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:30,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:30,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:30,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:30,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,842 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,843 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:30,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:30,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:30,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:30,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:30,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:30,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:30,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:30,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:15:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,872 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:30,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:30,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:30,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:30,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,884 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,884 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:30,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:30,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:30,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:30,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:15:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:30,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:30,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:30,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:30,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:15:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:30,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:30,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:30,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:30,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:30,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:30,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:30,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:30,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:30,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:30,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:30,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:30,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:30,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:30,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [10884397] [2020-09-21 11:15:30,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:30,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:15:30,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807019050] [2020-09-21 11:15:30,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:15:30,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:30,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:15:30,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:15:31,001 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 4 states. [2020-09-21 11:15:31,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:31,970 INFO L93 Difference]: Finished difference Result 263 states and 340 transitions. [2020-09-21 11:15:31,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:15:31,972 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:15:31,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:31,992 INFO L225 Difference]: With dead ends: 263 [2020-09-21 11:15:31,992 INFO L226 Difference]: Without dead ends: 146 [2020-09-21 11:15:31,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 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 11:15:32,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-09-21 11:15:32,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 118. [2020-09-21 11:15:32,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-09-21 11:15:32,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 137 transitions. [2020-09-21 11:15:32,105 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 137 transitions. Word has length 59 [2020-09-21 11:15:32,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:32,105 INFO L479 AbstractCegarLoop]: Abstraction has 118 states and 137 transitions. [2020-09-21 11:15:32,106 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:15:32,107 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 137 transitions. [2020-09-21 11:15:32,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:15:32,113 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:32,113 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:32,114 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:15:32,114 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:32,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:32,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1413138413, now seen corresponding path program 1 times [2020-09-21 11:15:32,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:32,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [603068631] [2020-09-21 11:15:32,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,210 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 11:15:32,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:15:32,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:32,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:15:32,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:15:32,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:32,535 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:32,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:32,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:32,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,603 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:32,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:32,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:32,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,628 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,629 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,629 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,629 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:32,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:15:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,635 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,635 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:32,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:32,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:32,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:32,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:15:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,647 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,647 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,647 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:32,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:32,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:15:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:32,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:32,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:32,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:32,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:32,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:32,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:32,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:32,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:32,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:32,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:32,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:32,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:32,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:32,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [603068631] [2020-09-21 11:15:32,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:32,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:15:32,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894861458] [2020-09-21 11:15:32,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:15:32,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:32,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:15:32,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:15:32,667 INFO L87 Difference]: Start difference. First operand 118 states and 137 transitions. Second operand 5 states. [2020-09-21 11:15:33,125 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:15:33,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:33,887 INFO L93 Difference]: Finished difference Result 204 states and 248 transitions. [2020-09-21 11:15:33,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:15:33,889 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 11:15:33,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:33,892 INFO L225 Difference]: With dead ends: 204 [2020-09-21 11:15:33,892 INFO L226 Difference]: Without dead ends: 136 [2020-09-21 11:15:33,896 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 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 11:15:33,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-09-21 11:15:33,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 109. [2020-09-21 11:15:33,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-09-21 11:15:33,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 125 transitions. [2020-09-21 11:15:33,933 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 125 transitions. Word has length 60 [2020-09-21 11:15:33,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:33,934 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 125 transitions. [2020-09-21 11:15:33,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:15:33,934 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2020-09-21 11:15:33,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:15:33,936 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:33,936 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:33,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:15:33,937 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:33,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:33,937 INFO L82 PathProgramCache]: Analyzing trace with hash 58120791, now seen corresponding path program 1 times [2020-09-21 11:15:33,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:33,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [942052742] [2020-09-21 11:15:33,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,432 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:15:34,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,433 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,433 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:15:34,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 440 [2020-09-21 11:15:34,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:15:34,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:34,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-21 11:15:34,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,820 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:34,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:34,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 11:15:34,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:34,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:34,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:34,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:34,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:34,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:34,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:34,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:34,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:34,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:34,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:34,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:34,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:34,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:34,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:34,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:34,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:34,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:34,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,958 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:34,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:34,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:34,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:34,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:34,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,970 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:34,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:34,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:34,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:34,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:34,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:15:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,978 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:34,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:34,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:34,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:34,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:15:34,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,984 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:34,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:34,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:34,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:34,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:34,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:15:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:34,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:34,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:34,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:34,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:34,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:34,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:15:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:34,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:34,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:34,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:34,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:34,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:34,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:34,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:34,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:34,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:34,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:34,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:34,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:35,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:15:35,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [942052742] [2020-09-21 11:15:35,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:35,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:15:35,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584211839] [2020-09-21 11:15:35,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:15:35,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:35,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:15:35,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:15:35,009 INFO L87 Difference]: Start difference. First operand 109 states and 125 transitions. Second operand 5 states. [2020-09-21 11:15:35,367 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:36,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:36,171 INFO L93 Difference]: Finished difference Result 217 states and 267 transitions. [2020-09-21 11:15:36,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:15:36,172 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-09-21 11:15:36,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:36,175 INFO L225 Difference]: With dead ends: 217 [2020-09-21 11:15:36,175 INFO L226 Difference]: Without dead ends: 136 [2020-09-21 11:15:36,176 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:15:36,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-09-21 11:15:36,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 109. [2020-09-21 11:15:36,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-09-21 11:15:36,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 124 transitions. [2020-09-21 11:15:36,206 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 124 transitions. Word has length 65 [2020-09-21 11:15:36,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:36,207 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 124 transitions. [2020-09-21 11:15:36,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:15:36,207 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 124 transitions. [2020-09-21 11:15:36,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-09-21 11:15:36,209 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:36,209 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:15:36,209 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:15:36,210 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:36,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:36,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1925878138, now seen corresponding path program 1 times [2020-09-21 11:15:36,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:36,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [568813514] [2020-09-21 11:15:36,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:36,698 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:36,699 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:36,699 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:36,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:36,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-21 11:15:36,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:36,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 437 [2020-09-21 11:15:36,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:36,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:15:36,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:36,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-21 11:15:36,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:37,028 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:37,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:37,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:37,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:37,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:37,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:37,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:37,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:37,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:15:37,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:37,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:37,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:37,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:37,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:37,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:37,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:37,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:37,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:37,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:37,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:37,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:37,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:37,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:37,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:37,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:37,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:37,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:37,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:37,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:37,209 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:37,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:37,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:37,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:37,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:37,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:37,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:37,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:37,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:37,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:37,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:37,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:37,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:37,219 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:37,219 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:37,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:37,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:37,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:37,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:37,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:37,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:37,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:37,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:37,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:37,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:37,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:37,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:37,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:37,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:37,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:37,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:37,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:15:37,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:37,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:37,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:37,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:37,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:37,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:37,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:37,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:37,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:37,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:37,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:37,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:37,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:37,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:37,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:37,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:37,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:37,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:37,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:15:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:37,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:37,269 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:37,269 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:37,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:37,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:37,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:37,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:37,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:37,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:37,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:37,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:15:37,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:37,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:37,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:37,279 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:37,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:37,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:37,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:37,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:37,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:37,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:37,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:37,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:37,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:37,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:37,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:15:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:37,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:37,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:37,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:37,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:37,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:37,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:37,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:37,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:37,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:37,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:37,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:15:37,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:37,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:15:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:37,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:37,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:37,320 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:37,320 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:37,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:37,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:37,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:37,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:37,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:37,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:37,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:37,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:37,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 11:15:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:37,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:37,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:37,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:37,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:37,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:37,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:37,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:37,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:37,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:37,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:37,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:37,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:37,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:15:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:37,345 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:37,345 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:37,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:37,346 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:37,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:37,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:37,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:15:37,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:37,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:15:37,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:37,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:37,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:37,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:15:37,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [568813514] [2020-09-21 11:15:37,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:37,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:15:37,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816612197] [2020-09-21 11:15:37,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:15:37,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:37,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:15:37,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:15:37,405 INFO L87 Difference]: Start difference. First operand 109 states and 124 transitions. Second operand 9 states. [2020-09-21 11:15:37,999 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:39,056 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:15:39,722 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:40,030 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:40,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:40,129 INFO L93 Difference]: Finished difference Result 189 states and 235 transitions. [2020-09-21 11:15:40,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:15:40,130 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 73 [2020-09-21 11:15:40,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:40,131 INFO L225 Difference]: With dead ends: 189 [2020-09-21 11:15:40,131 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:15:40,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:15:40,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:15:40,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:15:40,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:15:40,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:15:40,138 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2020-09-21 11:15:40,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:40,139 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:15:40,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:15:40,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:15:40,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:15:40,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:15:40,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:15:40,394 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:40,563 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:40,731 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:40,893 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:41,063 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:41,328 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 12 [2020-09-21 11:15:41,487 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:41,652 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:41,814 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:41,977 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:42,137 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:42,286 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:42,448 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:42,606 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:42,767 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:42,931 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:43,107 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:43,268 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:43,422 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:43,578 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:43,815 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 12 [2020-09-21 11:15:43,978 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:44,148 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:44,303 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:44,467 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:44,620 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:44,784 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:44,936 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:45,099 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:45,255 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:45,408 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:45,562 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:45,717 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 12 [2020-09-21 11:15:45,882 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 12 [2020-09-21 11:15:46,037 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:46,191 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:46,358 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:46,516 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:46,668 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:46,895 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 12 [2020-09-21 11:15:47,131 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-09-21 11:15:47,358 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:47,676 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:47,928 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-21 11:15:48,199 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:48,413 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 11:15:48,631 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-09-21 11:15:48,898 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:15:49,135 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:15:49,381 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:15:49,590 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:49,815 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:50,042 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:50,309 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 11:15:50,513 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:50,737 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:50,986 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 11:15:51,061 INFO L268 CegarLoopResult]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-09-21 11:15:51,061 INFO L268 CegarLoopResult]: For program point L219-1(lines 219 223) no Hoare annotation was computed. [2020-09-21 11:15:51,062 INFO L268 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-09-21 11:15:51,062 INFO L268 CegarLoopResult]: For program point L213-2(lines 213 234) no Hoare annotation was computed. [2020-09-21 11:15:51,062 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 188 243) no Hoare annotation was computed. [2020-09-21 11:15:51,062 INFO L268 CegarLoopResult]: For program point L235(lines 212 236) no Hoare annotation was computed. [2020-09-21 11:15:51,062 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 188 243) no Hoare annotation was computed. [2020-09-21 11:15:51,063 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 188 243) no Hoare annotation was computed. [2020-09-21 11:15:51,063 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-09-21 11:15:51,063 INFO L268 CegarLoopResult]: For program point L289-1(line 289) no Hoare annotation was computed. [2020-09-21 11:15:51,063 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 244 303) no Hoare annotation was computed. [2020-09-21 11:15:51,063 INFO L268 CegarLoopResult]: For program point L276(lines 276 280) no Hoare annotation was computed. [2020-09-21 11:15:51,064 INFO L268 CegarLoopResult]: For program point L276-1(lines 276 280) no Hoare annotation was computed. [2020-09-21 11:15:51,064 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-09-21 11:15:51,064 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 244 303) no Hoare annotation was computed. [2020-09-21 11:15:51,064 INFO L268 CegarLoopResult]: For program point L270-2(lines 270 295) no Hoare annotation was computed. [2020-09-21 11:15:51,064 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 244 303) no Hoare annotation was computed. [2020-09-21 11:15:51,064 INFO L268 CegarLoopResult]: For program point L296(lines 269 297) no Hoare annotation was computed. [2020-09-21 11:15:51,065 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 789 795) the Hoare annotation is: true [2020-09-21 11:15:51,065 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 789 795) no Hoare annotation was computed. [2020-09-21 11:15:51,065 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 796 804) no Hoare annotation was computed. [2020-09-21 11:15:51,065 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 796 804) the Hoare annotation is: true [2020-09-21 11:15:51,065 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 796 804) no Hoare annotation was computed. [2020-09-21 11:15:51,065 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 905 912) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 11:15:51,066 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 905 912) no Hoare annotation was computed. [2020-09-21 11:15:51,066 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 905 912) no Hoare annotation was computed. [2020-09-21 11:15:51,066 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 913 922) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 11:15:51,066 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 913 922) no Hoare annotation was computed. [2020-09-21 11:15:51,066 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 913 922) no Hoare annotation was computed. [2020-09-21 11:15:51,066 INFO L268 CegarLoopResult]: For program point L918(line 918) no Hoare annotation was computed. [2020-09-21 11:15:51,067 INFO L271 CegarLoopResult]: At program point L929(line 929) the Hoare annotation is: true [2020-09-21 11:15:51,067 INFO L268 CegarLoopResult]: For program point L929-1(line 929) no Hoare annotation was computed. [2020-09-21 11:15:51,067 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 923 951) the Hoare annotation is: true [2020-09-21 11:15:51,067 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 923 951) no Hoare annotation was computed. [2020-09-21 11:15:51,067 INFO L264 CegarLoopResult]: At program point L938(line 938) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:15:51,067 INFO L268 CegarLoopResult]: For program point L936(lines 936 942) no Hoare annotation was computed. [2020-09-21 11:15:51,067 INFO L268 CegarLoopResult]: For program point L935(lines 935 945) no Hoare annotation was computed. [2020-09-21 11:15:51,068 INFO L271 CegarLoopResult]: At program point L933(line 933) the Hoare annotation is: true [2020-09-21 11:15:51,068 INFO L268 CegarLoopResult]: For program point L933-1(line 933) no Hoare annotation was computed. [2020-09-21 11:15:51,068 INFO L268 CegarLoopResult]: For program point L931(lines 931 948) no Hoare annotation was computed. [2020-09-21 11:15:51,068 INFO L268 CegarLoopResult]: For program point L931-1(lines 923 951) no Hoare annotation was computed. [2020-09-21 11:15:51,068 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 880 902) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,068 INFO L264 CegarLoopResult]: At program point L892(line 892) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,069 INFO L264 CegarLoopResult]: At program point L892-1(line 892) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,069 INFO L268 CegarLoopResult]: For program point L890(lines 890 897) no Hoare annotation was computed. [2020-09-21 11:15:51,069 INFO L268 CegarLoopResult]: For program point L890-1(lines 890 897) no Hoare annotation was computed. [2020-09-21 11:15:51,069 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 880 902) no Hoare annotation was computed. [2020-09-21 11:15:51,069 INFO L268 CegarLoopResult]: For program point L888(line 888) no Hoare annotation was computed. [2020-09-21 11:15:51,069 INFO L264 CegarLoopResult]: At program point L887(line 887) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,070 INFO L264 CegarLoopResult]: At program point L886(line 886) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,070 INFO L264 CegarLoopResult]: At program point L886-1(line 886) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,070 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 880 902) no Hoare annotation was computed. [2020-09-21 11:15:51,070 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 837 860) no Hoare annotation was computed. [2020-09-21 11:15:51,070 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 837 860) no Hoare annotation was computed. [2020-09-21 11:15:51,070 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 837 860) no Hoare annotation was computed. [2020-09-21 11:15:51,071 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-09-21 11:15:51,071 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-09-21 11:15:51,071 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-09-21 11:15:51,071 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-09-21 11:15:51,071 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-09-21 11:15:51,071 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-09-21 11:15:51,071 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-09-21 11:15:51,071 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-09-21 11:15:51,072 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-09-21 11:15:51,072 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-09-21 11:15:51,072 INFO L268 CegarLoopResult]: For program point L845(line 845) no Hoare annotation was computed. [2020-09-21 11:15:51,072 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-09-21 11:15:51,072 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-09-21 11:15:51,072 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-09-21 11:15:51,072 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 627 635) no Hoare annotation was computed. [2020-09-21 11:15:51,073 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 627 635) the Hoare annotation is: true [2020-09-21 11:15:51,073 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 627 635) no Hoare annotation was computed. [2020-09-21 11:15:51,073 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 672 690) the Hoare annotation is: true [2020-09-21 11:15:51,073 INFO L268 CegarLoopResult]: For program point L681(lines 681 685) no Hoare annotation was computed. [2020-09-21 11:15:51,073 INFO L271 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: true [2020-09-21 11:15:51,073 INFO L268 CegarLoopResult]: For program point L681-2(lines 681 685) no Hoare annotation was computed. [2020-09-21 11:15:51,073 INFO L268 CegarLoopResult]: For program point L679-1(line 679) no Hoare annotation was computed. [2020-09-21 11:15:51,074 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 672 690) no Hoare annotation was computed. [2020-09-21 11:15:51,074 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 672 690) no Hoare annotation was computed. [2020-09-21 11:15:51,074 INFO L268 CegarLoopResult]: For program point L643-2(lines 643 651) no Hoare annotation was computed. [2020-09-21 11:15:51,074 INFO L268 CegarLoopResult]: For program point L666(line 666) no Hoare annotation was computed. [2020-09-21 11:15:51,074 INFO L268 CegarLoopResult]: For program point L666-1(line 666) no Hoare annotation was computed. [2020-09-21 11:15:51,074 INFO L268 CegarLoopResult]: For program point L655(lines 655 663) no Hoare annotation was computed. [2020-09-21 11:15:51,074 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 636 671) no Hoare annotation was computed. [2020-09-21 11:15:51,074 INFO L268 CegarLoopResult]: For program point L655-2(lines 655 663) no Hoare annotation was computed. [2020-09-21 11:15:51,074 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 636 671) no Hoare annotation was computed. [2020-09-21 11:15:51,075 INFO L268 CegarLoopResult]: For program point L643(lines 643 651) no Hoare annotation was computed. [2020-09-21 11:15:51,075 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 636 671) no Hoare annotation was computed. [2020-09-21 11:15:51,075 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 782 788) no Hoare annotation was computed. [2020-09-21 11:15:51,075 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 782 788) the Hoare annotation is: true [2020-09-21 11:15:51,075 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 142 187) no Hoare annotation was computed. [2020-09-21 11:15:51,075 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 142 187) no Hoare annotation was computed. [2020-09-21 11:15:51,075 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 142 187) no Hoare annotation was computed. [2020-09-21 11:15:51,075 INFO L268 CegarLoopResult]: For program point L475(lines 475 482) no Hoare annotation was computed. [2020-09-21 11:15:51,076 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 455 500) no Hoare annotation was computed. [2020-09-21 11:15:51,076 INFO L268 CegarLoopResult]: For program point L469(lines 469 489) no Hoare annotation was computed. [2020-09-21 11:15:51,076 INFO L268 CegarLoopResult]: For program point L469-1(lines 469 489) no Hoare annotation was computed. [2020-09-21 11:15:51,076 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 455 500) no Hoare annotation was computed. [2020-09-21 11:15:51,076 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 455 500) no Hoare annotation was computed. [2020-09-21 11:15:51,076 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 869 879) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,076 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 869 879) no Hoare annotation was computed. [2020-09-21 11:15:51,076 INFO L264 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-09-21 11:15:51,076 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 869 879) no Hoare annotation was computed. [2020-09-21 11:15:51,077 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 616 626) no Hoare annotation was computed. [2020-09-21 11:15:51,077 INFO L268 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-09-21 11:15:51,077 INFO L268 CegarLoopResult]: For program point L621-1(line 621) no Hoare annotation was computed. [2020-09-21 11:15:51,077 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 616 626) no Hoare annotation was computed. [2020-09-21 11:15:51,077 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 616 626) no Hoare annotation was computed. [2020-09-21 11:15:51,077 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 608 615) the Hoare annotation is: true [2020-09-21 11:15:51,077 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 608 615) no Hoare annotation was computed. [2020-09-21 11:15:51,077 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 608 615) no Hoare annotation was computed. [2020-09-21 11:15:51,078 INFO L264 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,078 INFO L268 CegarLoopResult]: For program point L576-1(lines 557 581) no Hoare annotation was computed. [2020-09-21 11:15:51,078 INFO L264 CegarLoopResult]: At program point L571(line 571) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,078 INFO L264 CegarLoopResult]: At program point L567(line 567) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,078 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 557 581) no Hoare annotation was computed. [2020-09-21 11:15:51,078 INFO L268 CegarLoopResult]: For program point L565(lines 565 573) no Hoare annotation was computed. [2020-09-21 11:15:51,078 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 557 581) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,078 INFO L264 CegarLoopResult]: At program point L563(line 563) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,079 INFO L268 CegarLoopResult]: For program point L563-1(line 563) no Hoare annotation was computed. [2020-09-21 11:15:51,079 INFO L268 CegarLoopResult]: For program point L561(lines 561 578) no Hoare annotation was computed. [2020-09-21 11:15:51,079 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 549 555) no Hoare annotation was computed. [2020-09-21 11:15:51,079 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 549 555) the Hoare annotation is: true [2020-09-21 11:15:51,079 INFO L264 CegarLoopResult]: At program point testENTRY(lines 701 766) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,079 INFO L264 CegarLoopResult]: At program point L733(line 733) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,079 INFO L268 CegarLoopResult]: For program point L731(lines 731 737) no Hoare annotation was computed. [2020-09-21 11:15:51,079 INFO L268 CegarLoopResult]: For program point L731-1(lines 731 737) no Hoare annotation was computed. [2020-09-21 11:15:51,080 INFO L268 CegarLoopResult]: For program point testFINAL(lines 701 766) no Hoare annotation was computed. [2020-09-21 11:15:51,080 INFO L264 CegarLoopResult]: At program point L756(lines 711 758) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,080 INFO L264 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,080 INFO L268 CegarLoopResult]: For program point L721(lines 721 727) no Hoare annotation was computed. [2020-09-21 11:15:51,080 INFO L268 CegarLoopResult]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2020-09-21 11:15:51,080 INFO L268 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-09-21 11:15:51,080 INFO L264 CegarLoopResult]: At program point L759(lines 710 760) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,080 INFO L268 CegarLoopResult]: For program point L749(lines 749 753) no Hoare annotation was computed. [2020-09-21 11:15:51,081 INFO L264 CegarLoopResult]: At program point L749-2(lines 741 754) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,081 INFO L268 CegarLoopResult]: For program point L712(lines 711 758) no Hoare annotation was computed. [2020-09-21 11:15:51,081 INFO L264 CegarLoopResult]: At program point L743(line 743) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,081 INFO L268 CegarLoopResult]: For program point L741(lines 741 754) no Hoare annotation was computed. [2020-09-21 11:15:51,081 INFO L268 CegarLoopResult]: For program point testEXIT(lines 701 766) no Hoare annotation was computed. [2020-09-21 11:15:51,081 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 409 454) no Hoare annotation was computed. [2020-09-21 11:15:51,081 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 409 454) no Hoare annotation was computed. [2020-09-21 11:15:51,081 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 409 454) no Hoare annotation was computed. [2020-09-21 11:15:51,081 INFO L268 CegarLoopResult]: For program point L429(lines 429 436) no Hoare annotation was computed. [2020-09-21 11:15:51,082 INFO L268 CegarLoopResult]: For program point L423(lines 423 443) no Hoare annotation was computed. [2020-09-21 11:15:51,082 INFO L268 CegarLoopResult]: For program point L423-1(lines 423 443) no Hoare annotation was computed. [2020-09-21 11:15:51,082 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 582 589) no Hoare annotation was computed. [2020-09-21 11:15:51,082 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 582 589) no Hoare annotation was computed. [2020-09-21 11:15:51,082 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 582 589) no Hoare annotation was computed. [2020-09-21 11:15:51,082 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-09-21 11:15:51,082 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-09-21 11:15:51,082 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-09-21 11:15:51,082 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-09-21 11:15:51,083 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-09-21 11:15:51,083 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-09-21 11:15:51,083 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-09-21 11:15:51,083 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-09-21 11:15:51,083 INFO L268 CegarLoopResult]: For program point L355-2(lines 355 375) no Hoare annotation was computed. [2020-09-21 11:15:51,083 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 306 408) no Hoare annotation was computed. [2020-09-21 11:15:51,083 INFO L268 CegarLoopResult]: For program point L376(lines 354 377) no Hoare annotation was computed. [2020-09-21 11:15:51,083 INFO L268 CegarLoopResult]: For program point L335(lines 335 351) no Hoare annotation was computed. [2020-09-21 11:15:51,083 INFO L268 CegarLoopResult]: For program point L395(lines 395 402) no Hoare annotation was computed. [2020-09-21 11:15:51,084 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 306 408) no Hoare annotation was computed. [2020-09-21 11:15:51,084 INFO L268 CegarLoopResult]: For program point L356(lines 355 375) no Hoare annotation was computed. [2020-09-21 11:15:51,084 INFO L268 CegarLoopResult]: For program point L387(line 387) no Hoare annotation was computed. [2020-09-21 11:15:51,084 INFO L268 CegarLoopResult]: For program point L387-1(line 387) no Hoare annotation was computed. [2020-09-21 11:15:51,084 INFO L268 CegarLoopResult]: For program point L352(lines 352 393) no Hoare annotation was computed. [2020-09-21 11:15:51,084 INFO L268 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-09-21 11:15:51,084 INFO L268 CegarLoopResult]: For program point L371-1(line 371) no Hoare annotation was computed. [2020-09-21 11:15:51,084 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 306 408) no Hoare annotation was computed. [2020-09-21 11:15:51,084 INFO L268 CegarLoopResult]: For program point L330(lines 330 334) no Hoare annotation was computed. [2020-09-21 11:15:51,085 INFO L268 CegarLoopResult]: For program point L394(lines 394 405) no Hoare annotation was computed. [2020-09-21 11:15:51,085 INFO L268 CegarLoopResult]: For program point L357(lines 357 361) no Hoare annotation was computed. [2020-09-21 11:15:51,085 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 772 781) no Hoare annotation was computed. [2020-09-21 11:15:51,085 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 772 781) no Hoare annotation was computed. [2020-09-21 11:15:51,085 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 772 781) no Hoare annotation was computed. [2020-09-21 11:15:51,085 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:51,086 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#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~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#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~string38.base| |old(#t~string38.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 11:15:51,086 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:51,086 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 591 607) no Hoare annotation was computed. [2020-09-21 11:15:51,086 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-09-21 11:15:51,086 INFO L268 CegarLoopResult]: For program point L602-1(lines 591 607) no Hoare annotation was computed. [2020-09-21 11:15:51,086 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 591 607) no Hoare annotation was computed. [2020-09-21 11:15:51,086 INFO L268 CegarLoopResult]: For program point L598(lines 598 604) no Hoare annotation was computed. [2020-09-21 11:15:51,086 INFO L268 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-09-21 11:15:51,086 INFO L268 CegarLoopResult]: For program point L596-1(line 596) no Hoare annotation was computed. [2020-09-21 11:15:51,087 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-09-21 11:15:51,087 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-09-21 11:15:51,087 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-09-21 11:15:51,087 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-09-21 11:15:51,087 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:15:51,087 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-09-21 11:15:51,087 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:51,087 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:15:51,087 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:51,088 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 85 93) no Hoare annotation was computed. [2020-09-21 11:15:51,088 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-09-21 11:15:51,088 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-09-21 11:15:51,088 INFO L264 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 11:15:51,088 INFO L264 CegarLoopResult]: At program point L536(lines 536 542) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 11:15:51,088 INFO L264 CegarLoopResult]: At program point L531(line 531) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,088 INFO L268 CegarLoopResult]: For program point L529(lines 525 547) no Hoare annotation was computed. [2020-09-21 11:15:51,088 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 522 548) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 11:15:51,089 INFO L268 CegarLoopResult]: For program point L527(lines 525 547) no Hoare annotation was computed. [2020-09-21 11:15:51,089 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 522 548) no Hoare annotation was computed. [2020-09-21 11:15:51,089 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 522 548) no Hoare annotation was computed. [2020-09-21 11:15:51,089 INFO L271 CegarLoopResult]: At program point L832(lines 807 836) the Hoare annotation is: true [2020-09-21 11:15:51,089 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2020-09-21 11:15:51,089 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2020-09-21 11:15:51,089 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-09-21 11:15:51,090 INFO L268 CegarLoopResult]: For program point L821(lines 821 825) no Hoare annotation was computed. [2020-09-21 11:15:51,090 INFO L271 CegarLoopResult]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2020-09-21 11:15:51,090 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-09-21 11:15:51,090 INFO L271 CegarLoopResult]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2020-09-21 11:15:51,090 INFO L271 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: true [2020-09-21 11:15:51,090 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-09-21 11:15:51,090 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-09-21 11:15:51,090 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-09-21 11:15:51,091 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-09-21 11:15:51,091 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2020-09-21 11:15:51,091 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2020-09-21 11:15:51,091 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:15:51,091 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:15:51,091 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:15:51,091 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:15:51,091 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 691 698) no Hoare annotation was computed. [2020-09-21 11:15:51,091 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 691 698) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-09-21 11:15:51,092 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 691 698) no Hoare annotation was computed. [2020-09-21 11:15:51,092 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-09-21 11:15:51,092 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-09-21 11:15:51,092 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 11:15:51,092 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 502 509) no Hoare annotation was computed. [2020-09-21 11:15:51,092 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed. [2020-09-21 11:15:51,092 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 502 509) the Hoare annotation is: true [2020-09-21 11:15:51,093 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 502 509) no Hoare annotation was computed. [2020-09-21 11:15:51,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:15:51 BoogieIcfgContainer [2020-09-21 11:15:51,114 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:15:51,117 INFO L168 Benchmark]: Toolchain (without parser) took 23444.55 ms. Allocated memory was 139.5 MB in the beginning and 524.3 MB in the end (delta: 384.8 MB). Free memory was 101.8 MB in the beginning and 478.2 MB in the end (delta: -376.4 MB). Peak memory consumption was 398.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:51,117 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:15:51,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.34 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.1 MB in the beginning and 172.4 MB in the end (delta: -71.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:51,119 INFO L168 Benchmark]: Boogie Preprocessor took 106.61 ms. Allocated memory is still 202.9 MB. Free memory was 172.4 MB in the beginning and 167.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:51,120 INFO L168 Benchmark]: RCFGBuilder took 1222.62 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 167.6 MB in the beginning and 198.0 MB in the end (delta: -30.4 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:51,121 INFO L168 Benchmark]: TraceAbstraction took 21334.22 ms. Allocated memory was 235.9 MB in the beginning and 524.3 MB in the end (delta: 288.4 MB). Free memory was 198.0 MB in the beginning and 478.2 MB in the end (delta: -280.2 MB). Peak memory consumption was 398.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:15:51,124 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 771.34 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.1 MB in the beginning and 172.4 MB in the end (delta: -71.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.61 ms. Allocated memory is still 202.9 MB. Free memory was 172.4 MB in the beginning and 167.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1222.62 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 167.6 MB in the beginning and 198.0 MB in the end (delta: -30.4 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21334.22 ms. Allocated memory was 235.9 MB in the beginning and 524.3 MB in the end (delta: 288.4 MB). Free memory was 198.0 MB in the beginning and 478.2 MB in the end (delta: -280.2 MB). Peak memory consumption was 398.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 506]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || ((splverifierCounter <= 0 && 1 == systemActive) && pumpRunning == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.2s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 388 SDtfs, 447 SDslu, 206 SDs, 0 SdLazy, 747 SolverSat, 295 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 82 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 188 PreInvPairs, 208 NumberOfFragments, 708 HoareAnnotationTreeSize, 188 FomulaSimplifications, 10532 FormulaSimplificationTreeSizeReduction, 6.7s HoareSimplificationTime, 54 FomulaSimplificationsInter, 4971 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 74511 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...