/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:09:20,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:09:20,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:09:20,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:09:20,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:09:20,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:09:20,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:09:20,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:09:20,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:09:20,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:09:20,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:09:20,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:09:20,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:09:20,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:09:20,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:09:20,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:09:20,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:09:20,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:09:20,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:09:20,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:09:20,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:09:20,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:09:20,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:09:20,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:09:20,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:09:20,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:09:20,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:09:20,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:09:20,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:09:20,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:09:20,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:09:20,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:09:20,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:09:20,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:09:20,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:09:20,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:09:20,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:09:20,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:09:20,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:09:20,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:09:20,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:09:20,185 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:09:20,230 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:09:20,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:09:20,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:09:20,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:09:20,233 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:09:20,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:09:20,234 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:09:20,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:09:20,234 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:09:20,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:09:20,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:09:20,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:09:20,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:09:20,236 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:09:20,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:09:20,237 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:09:20,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:09:20,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:09:20,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:09:20,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:09:20,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:09:20,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:09:20,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:09:20,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:09:20,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:09:20,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:09:20,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:09:20,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:09:20,240 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:09:20,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:09:20,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:09:20,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:09:20,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:09:20,745 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:09:20,746 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:09:20,747 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c [2020-09-21 12:09:20,824 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/667ed883b/12d9a57951254410a008070d6b9f39b4/FLAGbbe9c6551 [2020-09-21 12:09:21,476 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:09:21,480 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c [2020-09-21 12:09:21,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/667ed883b/12d9a57951254410a008070d6b9f39b4/FLAGbbe9c6551 [2020-09-21 12:09:21,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/667ed883b/12d9a57951254410a008070d6b9f39b4 [2020-09-21 12:09:21,721 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:09:21,728 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:09:21,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:09:21,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:09:21,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:09:21,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:09:21" (1/1) ... [2020-09-21 12:09:21,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f30a912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:21, skipping insertion in model container [2020-09-21 12:09:21,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:09:21" (1/1) ... [2020-09-21 12:09:21,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:09:21,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:09:22,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:09:22,265 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:09:22,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:09:22,428 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:09:22,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:22 WrapperNode [2020-09-21 12:09:22,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:09:22,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:09:22,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:09:22,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:09:22,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:22" (1/1) ... [2020-09-21 12:09:22,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:22" (1/1) ... [2020-09-21 12:09:22,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:22" (1/1) ... [2020-09-21 12:09:22,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:22" (1/1) ... [2020-09-21 12:09:22,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:22" (1/1) ... [2020-09-21 12:09:22,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:22" (1/1) ... [2020-09-21 12:09:22,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:22" (1/1) ... [2020-09-21 12:09:22,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:09:22,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:09:22,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:09:22,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:09:22,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:22" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:09:22,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:09:22,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:09:22,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:09:22,604 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:09:22,604 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:09:22,604 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 12:09:22,604 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:09:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 12:09:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:09:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:09:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:09:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:09:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:09:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:09:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:09:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:09:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:09:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:09:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:09:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:09:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:09:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:09:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:09:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:09:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:09:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:09:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:09:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:09:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:09:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:09:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:09:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:09:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:09:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:09:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:09:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:09:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:09:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:09:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:09:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:09:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:09:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:09:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:09:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:09:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:09:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:09:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:09:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:09:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:09:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:09:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:09:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:09:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:09:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:09:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:09:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:09:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 12:09:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:09:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 12:09:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:09:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:09:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:09:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:09:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:09:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:09:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:09:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:09:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:09:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:09:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:09:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:09:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:09:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:09:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:09:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:09:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:09:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:09:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:09:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:09:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:09:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:09:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:09:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:09:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:09:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:09:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:09:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:09:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:09:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:09:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:09:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:09:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:09:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:09:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:09:23,658 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:09:23,659 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:09:23,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:09:23 BoogieIcfgContainer [2020-09-21 12:09:23,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:09:23,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:09:23,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:09:23,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:09:23,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:09:21" (1/3) ... [2020-09-21 12:09:23,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24352266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:09:23, skipping insertion in model container [2020-09-21 12:09:23,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:09:22" (2/3) ... [2020-09-21 12:09:23,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24352266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:09:23, skipping insertion in model container [2020-09-21 12:09:23,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:09:23" (3/3) ... [2020-09-21 12:09:23,674 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product29.cil.c [2020-09-21 12:09:23,685 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:09:23,695 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:09:23,717 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:09:23,745 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:09:23,745 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:09:23,746 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:09:23,746 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:09:23,746 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:09:23,746 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:09:23,746 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:09:23,746 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:09:23,773 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2020-09-21 12:09:23,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:09:23,785 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:23,786 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:09:23,786 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:23,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:23,795 INFO L82 PathProgramCache]: Analyzing trace with hash -454427267, now seen corresponding path program 1 times [2020-09-21 12:09:23,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:23,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1362138704] [2020-09-21 12:09:23,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:24,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:24,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:24,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:25,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:25,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:09:25,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:09:25,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1089 [2020-09-21 12:09:25,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:25,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:25,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:09:25,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:25,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:09:25,885 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:25,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:25,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:25,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:25,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:25,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:25,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-21 12:09:25,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:25,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:25,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:25,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:25,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:26,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:26,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:26,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:26,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:26,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:26,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:26,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:26,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:26,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:26,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:26,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:26,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:26,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:26,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:26,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:26,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:26,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:26,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:26,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:26,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:26,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:26,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:26,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:26,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:26,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:26,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:26,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:26,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:26,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:26,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:26,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:26,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:26,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:26,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:26,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:26,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:26,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:26,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:26,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:26,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:26,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:26,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:26,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:26,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:26,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:26,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:26,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:26,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:26,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:26,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:26,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:26,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:26,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:26,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:26,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:26,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:09:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:26,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:26,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:26,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:26,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:26,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:26,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:26,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:26,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:26,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:26,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:26,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:09:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:26,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:26,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:26,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:26,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:26,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:26,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:26,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:26,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:26,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:26,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:26,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:09:26,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1362138704] [2020-09-21 12:09:26,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:26,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:09:26,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497457619] [2020-09-21 12:09:26,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:09:26,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:26,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:09:26,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:09:26,162 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 4 states. [2020-09-21 12:09:27,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:27,364 INFO L93 Difference]: Finished difference Result 278 states and 367 transitions. [2020-09-21 12:09:27,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:09:27,366 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:09:27,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:27,384 INFO L225 Difference]: With dead ends: 278 [2020-09-21 12:09:27,384 INFO L226 Difference]: Without dead ends: 155 [2020-09-21 12:09:27,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:09:27,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-09-21 12:09:27,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 124. [2020-09-21 12:09:27,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-09-21 12:09:27,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 147 transitions. [2020-09-21 12:09:27,489 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 147 transitions. Word has length 51 [2020-09-21 12:09:27,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:27,490 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 147 transitions. [2020-09-21 12:09:27,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:09:27,490 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 147 transitions. [2020-09-21 12:09:27,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:09:27,494 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:27,494 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:09:27,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:09:27,496 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:27,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:27,498 INFO L82 PathProgramCache]: Analyzing trace with hash 364968758, now seen corresponding path program 1 times [2020-09-21 12:09:27,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:27,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1834643406] [2020-09-21 12:09:27,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:27,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:27,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:27,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:28,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:28,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:09:28,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:09:28,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-09-21 12:09:28,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:28,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:28,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:09:28,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:09:28,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:28,948 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:28,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:28,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:29,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:29,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:29,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:29,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 12:09:29,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:29,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:29,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:29,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:29,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:29,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:29,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:29,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:29,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:29,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:29,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:29,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:29,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:29,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:29,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:29,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:29,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:29,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:29,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:29,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:29,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:29,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:29,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:29,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:29,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:29,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:29,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:29,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:29,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:29,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:29,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:29,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:29,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:29,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:29,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:29,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:29,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:29,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:29,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:29,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:29,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:29,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:29,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:29,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:29,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:29,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:29,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:29,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:29,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:29,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:29,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:29,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:29,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:29,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:29,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:29,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:29,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:29,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:29,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:09:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:29,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:29,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:29,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:29,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:29,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:29,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:29,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:29,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:29,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:29,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:29,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:09:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:29,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:29,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:29,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:29,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:29,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:29,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:29,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:29,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:29,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:29,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:29,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:09:29,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1834643406] [2020-09-21 12:09:29,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:29,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:09:29,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969943718] [2020-09-21 12:09:29,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:09:29,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:29,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:09:29,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:09:29,143 INFO L87 Difference]: Start difference. First operand 124 states and 147 transitions. Second operand 5 states. [2020-09-21 12:09:29,622 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:09:30,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:30,393 INFO L93 Difference]: Finished difference Result 223 states and 278 transitions. [2020-09-21 12:09:30,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:09:30,395 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 12:09:30,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:30,398 INFO L225 Difference]: With dead ends: 223 [2020-09-21 12:09:30,398 INFO L226 Difference]: Without dead ends: 145 [2020-09-21 12:09:30,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:09:30,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-09-21 12:09:30,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 115. [2020-09-21 12:09:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-09-21 12:09:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2020-09-21 12:09:30,456 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 52 [2020-09-21 12:09:30,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:30,456 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2020-09-21 12:09:30,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:09:30,457 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2020-09-21 12:09:30,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-21 12:09:30,465 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:30,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:09:30,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:09:30,466 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:30,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:30,466 INFO L82 PathProgramCache]: Analyzing trace with hash 604582976, now seen corresponding path program 1 times [2020-09-21 12:09:30,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:30,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1447254731] [2020-09-21 12:09:30,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:30,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:30,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:31,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:31,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 12:09:31,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:31,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:09:31,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:31,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:31,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:31,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 12:09:31,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:31,816 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:31,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:31,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:31,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:31,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:31,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:31,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-21 12:09:31,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:31,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:31,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:31,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:09:31,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:31,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:31,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:31,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:31,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:31,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:31,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:31,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:31,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:31,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:31,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:31,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:31,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:31,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:31,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:31,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:31,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:31,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:31,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:31,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:31,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:31,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:31,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:31,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:31,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:32,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:32,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:32,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:32,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:09:32,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:32,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:32,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:32,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:32,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:32,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:32,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:32,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:32,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:32,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:32,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:32,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:32,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:32,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:32,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:32,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:32,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:32,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:32,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:32,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:32,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:32,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:32,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:32,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:32,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:32,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:32,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:32,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 12:09:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:32,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:32,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:32,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:32,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:32,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:32,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:32,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:32,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:32,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:32,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:32,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:09:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:32,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:32,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:32,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:32,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:32,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:32,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:32,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:32,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:09:32,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:32,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:32,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:09:32,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1447254731] [2020-09-21 12:09:32,048 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:32,048 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:09:32,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377959280] [2020-09-21 12:09:32,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:09:32,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:32,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:09:32,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:09:32,050 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 5 states. [2020-09-21 12:09:32,394 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:33,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:33,172 INFO L93 Difference]: Finished difference Result 232 states and 293 transitions. [2020-09-21 12:09:33,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:09:33,172 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-09-21 12:09:33,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:33,177 INFO L225 Difference]: With dead ends: 232 [2020-09-21 12:09:33,177 INFO L226 Difference]: Without dead ends: 145 [2020-09-21 12:09:33,178 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:09:33,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-09-21 12:09:33,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 115. [2020-09-21 12:09:33,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-09-21 12:09:33,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2020-09-21 12:09:33,223 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 56 [2020-09-21 12:09:33,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:33,224 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2020-09-21 12:09:33,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:09:33,224 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2020-09-21 12:09:33,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-21 12:09:33,225 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:33,226 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:09:33,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:09:33,226 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:33,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:33,226 INFO L82 PathProgramCache]: Analyzing trace with hash -781962313, now seen corresponding path program 1 times [2020-09-21 12:09:33,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:33,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2135365843] [2020-09-21 12:09:33,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:33,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:34,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:34,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:34,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:34,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:34,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-09-21 12:09:34,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:09:34,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1040 [2020-09-21 12:09:34,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:34,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:09:34,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-09-21 12:09:34,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 12:09:34,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:34,717 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:34,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:34,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:34,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:34,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:34,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:34,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-21 12:09:34,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:34,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:34,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:34,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:34,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:34,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:34,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:34,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:34,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:34,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:34,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:34,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:34,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:34,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:34,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:34,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:34,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:34,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:34,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:34,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:34,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:34,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:34,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:34,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:34,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:34,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:34,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:34,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:34,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:34,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:34,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:34,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:34,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:34,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:34,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:34,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:34,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:34,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:34,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:34,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:34,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:09:34,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:34,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:34,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:34,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:34,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:34,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:34,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:34,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:34,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:34,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:34,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:34,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:34,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:34,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:34,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:34,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:34,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:09:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:34,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:34,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:34,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:34,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 12:09:34,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:09:34,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:09:34,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:34,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:34,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:34,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:09:34,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:34,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:09:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:34,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:34,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:34,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:09:34,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:34,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:09:34,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:34,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:34,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:34,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:09:34,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:34,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:09:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:34,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:34,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:34,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:34,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:34,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:34,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:34,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:34,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:34,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:34,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:34,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-21 12:09:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:34,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:34,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:34,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:34,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:34,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:34,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:34,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:34,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:34,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:34,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:34,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 12:09:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:34,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:34,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:34,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:34,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:34,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:09:34,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:34,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:09:34,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:34,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:34,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:34,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:09:34,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2135365843] [2020-09-21 12:09:34,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:34,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:09:34,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745967934] [2020-09-21 12:09:34,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:09:34,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:34,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:09:34,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:09:34,976 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 9 states. [2020-09-21 12:09:35,411 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:36,383 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:36,711 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:37,029 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 12:09:37,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:37,173 INFO L93 Difference]: Finished difference Result 189 states and 238 transitions. [2020-09-21 12:09:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:09:37,174 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-09-21 12:09:37,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:37,175 INFO L225 Difference]: With dead ends: 189 [2020-09-21 12:09:37,175 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:09:37,177 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-09-21 12:09:37,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:09:37,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:09:37,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:09:37,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:09:37,178 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-09-21 12:09:37,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:37,178 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:09:37,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:09:37,179 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:09:37,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:09:37,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:09:37,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:09:37,386 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:37,566 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:37,980 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:09:38,364 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:09:38,728 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:09:38,896 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:39,060 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:39,216 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:39,376 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:39,521 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:39,679 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:39,840 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:40,018 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:40,174 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:40,328 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:40,484 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:40,638 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:40,791 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:40,949 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:41,101 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:41,257 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:41,420 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:41,573 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:41,730 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:41,886 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 12 [2020-09-21 12:09:42,248 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:09:42,599 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:09:42,943 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:09:43,113 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:43,276 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:43,432 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:43,591 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:43,842 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 12 [2020-09-21 12:09:43,998 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:44,152 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:44,306 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:44,473 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:44,621 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 12 [2020-09-21 12:09:44,776 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:44,934 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:45,095 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:45,336 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 12 [2020-09-21 12:09:45,534 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-21 12:09:45,769 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:09:46,008 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-21 12:09:46,237 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-21 12:09:46,475 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:09:46,749 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:46,969 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-21 12:09:47,219 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-21 12:09:47,457 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:09:47,671 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:09:47,902 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:09:48,116 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:09:48,368 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-21 12:09:48,578 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-21 12:09:48,806 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:09:49,036 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:09:49,279 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:09:49,548 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:09:49,769 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:09:50,059 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:09:50,276 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-21 12:09:50,496 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 21 [2020-09-21 12:09:50,524 INFO L268 CegarLoopResult]: For program point L670(lines 670 674) no Hoare annotation was computed. [2020-09-21 12:09:50,524 INFO L268 CegarLoopResult]: For program point L670-1(lines 670 674) no Hoare annotation was computed. [2020-09-21 12:09:50,524 INFO L268 CegarLoopResult]: For program point L665(line 665) no Hoare annotation was computed. [2020-09-21 12:09:50,524 INFO L268 CegarLoopResult]: For program point L664-2(lines 664 685) no Hoare annotation was computed. [2020-09-21 12:09:50,525 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 639 694) no Hoare annotation was computed. [2020-09-21 12:09:50,525 INFO L268 CegarLoopResult]: For program point L686(lines 663 687) no Hoare annotation was computed. [2020-09-21 12:09:50,525 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 639 694) no Hoare annotation was computed. [2020-09-21 12:09:50,525 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 639 694) no Hoare annotation was computed. [2020-09-21 12:09:50,525 INFO L268 CegarLoopResult]: For program point L727(lines 727 731) no Hoare annotation was computed. [2020-09-21 12:09:50,526 INFO L268 CegarLoopResult]: For program point L727-1(lines 727 731) no Hoare annotation was computed. [2020-09-21 12:09:50,526 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 695 754) no Hoare annotation was computed. [2020-09-21 12:09:50,526 INFO L268 CegarLoopResult]: For program point L722(line 722) no Hoare annotation was computed. [2020-09-21 12:09:50,526 INFO L268 CegarLoopResult]: For program point L721-2(lines 721 746) no Hoare annotation was computed. [2020-09-21 12:09:50,526 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 695 754) no Hoare annotation was computed. [2020-09-21 12:09:50,526 INFO L268 CegarLoopResult]: For program point L747(lines 720 748) no Hoare annotation was computed. [2020-09-21 12:09:50,526 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 695 754) no Hoare annotation was computed. [2020-09-21 12:09:50,526 INFO L268 CegarLoopResult]: For program point L740(line 740) no Hoare annotation was computed. [2020-09-21 12:09:50,527 INFO L268 CegarLoopResult]: For program point L740-1(line 740) no Hoare annotation was computed. [2020-09-21 12:09:50,527 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 480 486) the Hoare annotation is: true [2020-09-21 12:09:50,527 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 480 486) no Hoare annotation was computed. [2020-09-21 12:09:50,527 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 487 495) no Hoare annotation was computed. [2020-09-21 12:09:50,527 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 487 495) the Hoare annotation is: true [2020-09-21 12:09:50,527 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 487 495) no Hoare annotation was computed. [2020-09-21 12:09:50,527 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 399 421) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,528 INFO L264 CegarLoopResult]: At program point L411(line 411) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,528 INFO L264 CegarLoopResult]: At program point L411-1(line 411) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,528 INFO L268 CegarLoopResult]: For program point L409(lines 409 416) no Hoare annotation was computed. [2020-09-21 12:09:50,528 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 399 421) no Hoare annotation was computed. [2020-09-21 12:09:50,528 INFO L268 CegarLoopResult]: For program point L409-1(lines 409 416) no Hoare annotation was computed. [2020-09-21 12:09:50,529 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-09-21 12:09:50,529 INFO L264 CegarLoopResult]: At program point L406(line 406) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,529 INFO L264 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,529 INFO L264 CegarLoopResult]: At program point L405-1(line 405) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,529 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 399 421) no Hoare annotation was computed. [2020-09-21 12:09:50,530 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 353 376) no Hoare annotation was computed. [2020-09-21 12:09:50,530 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 353 376) no Hoare annotation was computed. [2020-09-21 12:09:50,530 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 353 376) no Hoare annotation was computed. [2020-09-21 12:09:50,530 INFO L268 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-09-21 12:09:50,530 INFO L268 CegarLoopResult]: For program point L370(line 370) no Hoare annotation was computed. [2020-09-21 12:09:50,530 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-09-21 12:09:50,530 INFO L268 CegarLoopResult]: For program point L368(line 368) no Hoare annotation was computed. [2020-09-21 12:09:50,531 INFO L268 CegarLoopResult]: For program point L367(line 367) no Hoare annotation was computed. [2020-09-21 12:09:50,531 INFO L268 CegarLoopResult]: For program point L366(line 366) no Hoare annotation was computed. [2020-09-21 12:09:50,531 INFO L268 CegarLoopResult]: For program point L365(line 365) no Hoare annotation was computed. [2020-09-21 12:09:50,531 INFO L268 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-09-21 12:09:50,531 INFO L268 CegarLoopResult]: For program point L363(line 363) no Hoare annotation was computed. [2020-09-21 12:09:50,531 INFO L268 CegarLoopResult]: For program point L362(line 362) no Hoare annotation was computed. [2020-09-21 12:09:50,531 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-09-21 12:09:50,531 INFO L268 CegarLoopResult]: For program point L360(line 360) no Hoare annotation was computed. [2020-09-21 12:09:50,532 INFO L268 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-09-21 12:09:50,532 INFO L268 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-09-21 12:09:50,532 INFO L264 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,532 INFO L268 CegarLoopResult]: For program point L93(lines 93 101) no Hoare annotation was computed. [2020-09-21 12:09:50,532 INFO L264 CegarLoopResult]: At program point L91(line 91) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,532 INFO L268 CegarLoopResult]: For program point L91-1(line 91) no Hoare annotation was computed. [2020-09-21 12:09:50,533 INFO L268 CegarLoopResult]: For program point L89(lines 89 106) no Hoare annotation was computed. [2020-09-21 12:09:50,533 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 85 109) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,533 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 85 109) no Hoare annotation was computed. [2020-09-21 12:09:50,533 INFO L264 CegarLoopResult]: At program point L104(line 104) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,533 INFO L268 CegarLoopResult]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2020-09-21 12:09:50,534 INFO L264 CegarLoopResult]: At program point L99(line 99) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,534 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 180 188) no Hoare annotation was computed. [2020-09-21 12:09:50,534 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 180 188) the Hoare annotation is: true [2020-09-21 12:09:50,534 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 180 188) no Hoare annotation was computed. [2020-09-21 12:09:50,534 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-09-21 12:09:50,534 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 225 243) the Hoare annotation is: true [2020-09-21 12:09:50,534 INFO L271 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: true [2020-09-21 12:09:50,535 INFO L268 CegarLoopResult]: For program point L234-2(lines 234 238) no Hoare annotation was computed. [2020-09-21 12:09:50,535 INFO L268 CegarLoopResult]: For program point L232-1(line 232) no Hoare annotation was computed. [2020-09-21 12:09:50,535 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 225 243) no Hoare annotation was computed. [2020-09-21 12:09:50,535 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 225 243) no Hoare annotation was computed. [2020-09-21 12:09:50,535 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-09-21 12:09:50,535 INFO L268 CegarLoopResult]: For program point L219-1(line 219) no Hoare annotation was computed. [2020-09-21 12:09:50,535 INFO L268 CegarLoopResult]: For program point L208(lines 208 216) no Hoare annotation was computed. [2020-09-21 12:09:50,535 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 189 224) no Hoare annotation was computed. [2020-09-21 12:09:50,536 INFO L268 CegarLoopResult]: For program point L208-2(lines 208 216) no Hoare annotation was computed. [2020-09-21 12:09:50,536 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 189 224) no Hoare annotation was computed. [2020-09-21 12:09:50,536 INFO L268 CegarLoopResult]: For program point L196(lines 196 204) no Hoare annotation was computed. [2020-09-21 12:09:50,536 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 189 224) no Hoare annotation was computed. [2020-09-21 12:09:50,536 INFO L268 CegarLoopResult]: For program point L196-2(lines 196 204) no Hoare annotation was computed. [2020-09-21 12:09:50,536 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 473 479) no Hoare annotation was computed. [2020-09-21 12:09:50,536 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 473 479) the Hoare annotation is: true [2020-09-21 12:09:50,537 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 593 638) no Hoare annotation was computed. [2020-09-21 12:09:50,537 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 593 638) no Hoare annotation was computed. [2020-09-21 12:09:50,537 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 593 638) no Hoare annotation was computed. [2020-09-21 12:09:50,537 INFO L268 CegarLoopResult]: For program point L926(lines 926 933) no Hoare annotation was computed. [2020-09-21 12:09:50,537 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 906 951) no Hoare annotation was computed. [2020-09-21 12:09:50,537 INFO L268 CegarLoopResult]: For program point L920(lines 920 940) no Hoare annotation was computed. [2020-09-21 12:09:50,537 INFO L268 CegarLoopResult]: For program point L920-1(lines 920 940) no Hoare annotation was computed. [2020-09-21 12:09:50,538 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 906 951) no Hoare annotation was computed. [2020-09-21 12:09:50,538 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 906 951) no Hoare annotation was computed. [2020-09-21 12:09:50,538 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 385 395) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,538 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 385 395) no Hoare annotation was computed. [2020-09-21 12:09:50,538 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 385 395) no Hoare annotation was computed. [2020-09-21 12:09:50,538 INFO L264 CegarLoopResult]: At program point L390(line 390) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-09-21 12:09:50,538 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 169 179) the Hoare annotation is: true [2020-09-21 12:09:50,539 INFO L271 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: true [2020-09-21 12:09:50,539 INFO L268 CegarLoopResult]: For program point L174-1(line 174) no Hoare annotation was computed. [2020-09-21 12:09:50,539 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 169 179) no Hoare annotation was computed. [2020-09-21 12:09:50,539 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 169 179) no Hoare annotation was computed. [2020-09-21 12:09:50,539 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 161 168) the Hoare annotation is: true [2020-09-21 12:09:50,539 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 161 168) no Hoare annotation was computed. [2020-09-21 12:09:50,539 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 161 168) no Hoare annotation was computed. [2020-09-21 12:09:50,539 INFO L268 CegarLoopResult]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2020-09-21 12:09:50,540 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,540 INFO L264 CegarLoopResult]: At program point L121(line 121) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,540 INFO L268 CegarLoopResult]: For program point L119(lines 119 127) no Hoare annotation was computed. [2020-09-21 12:09:50,540 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2020-09-21 12:09:50,540 INFO L264 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,540 INFO L268 CegarLoopResult]: For program point L117-1(line 117) no Hoare annotation was computed. [2020-09-21 12:09:50,541 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,541 INFO L268 CegarLoopResult]: For program point L115(lines 115 132) no Hoare annotation was computed. [2020-09-21 12:09:50,541 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,541 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2020-09-21 12:09:50,541 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2020-09-21 12:09:50,541 INFO L264 CegarLoopResult]: At program point testENTRY(lines 248 311) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,542 INFO L268 CegarLoopResult]: For program point testFINAL(lines 248 311) no Hoare annotation was computed. [2020-09-21 12:09:50,542 INFO L264 CegarLoopResult]: At program point L304(lines 257 305) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,542 INFO L268 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2020-09-21 12:09:50,542 INFO L264 CegarLoopResult]: At program point L294-2(lines 288 299) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:50,542 INFO L268 CegarLoopResult]: For program point L259(lines 258 303) no Hoare annotation was computed. [2020-09-21 12:09:50,542 INFO L268 CegarLoopResult]: For program point L288(lines 288 299) no Hoare annotation was computed. [2020-09-21 12:09:50,542 INFO L264 CegarLoopResult]: At program point L280(line 280) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:50,543 INFO L268 CegarLoopResult]: For program point L278(lines 278 284) no Hoare annotation was computed. [2020-09-21 12:09:50,543 INFO L268 CegarLoopResult]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2020-09-21 12:09:50,543 INFO L264 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:50,543 INFO L264 CegarLoopResult]: At program point L301(lines 258 303) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:50,543 INFO L268 CegarLoopResult]: For program point L268(lines 268 274) no Hoare annotation was computed. [2020-09-21 12:09:50,543 INFO L268 CegarLoopResult]: For program point L268-1(lines 268 274) no Hoare annotation was computed. [2020-09-21 12:09:50,543 INFO L268 CegarLoopResult]: For program point L260(lines 260 264) no Hoare annotation was computed. [2020-09-21 12:09:50,544 INFO L268 CegarLoopResult]: For program point testEXIT(lines 248 311) no Hoare annotation was computed. [2020-09-21 12:09:50,544 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 860 905) no Hoare annotation was computed. [2020-09-21 12:09:50,544 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 860 905) no Hoare annotation was computed. [2020-09-21 12:09:50,544 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 860 905) no Hoare annotation was computed. [2020-09-21 12:09:50,544 INFO L268 CegarLoopResult]: For program point L880(lines 880 887) no Hoare annotation was computed. [2020-09-21 12:09:50,544 INFO L268 CegarLoopResult]: For program point L874(lines 874 894) no Hoare annotation was computed. [2020-09-21 12:09:50,544 INFO L268 CegarLoopResult]: For program point L874-1(lines 874 894) no Hoare annotation was computed. [2020-09-21 12:09:50,544 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 136 143) no Hoare annotation was computed. [2020-09-21 12:09:50,545 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 136 143) no Hoare annotation was computed. [2020-09-21 12:09:50,545 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 136 143) no Hoare annotation was computed. [2020-09-21 12:09:50,545 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 577 585) no Hoare annotation was computed. [2020-09-21 12:09:50,545 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 577 585) the Hoare annotation is: true [2020-09-21 12:09:50,545 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 577 585) no Hoare annotation was computed. [2020-09-21 12:09:50,545 INFO L264 CegarLoopResult]: At program point L447(line 447) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:09:50,545 INFO L268 CegarLoopResult]: For program point L445(lines 445 451) no Hoare annotation was computed. [2020-09-21 12:09:50,546 INFO L268 CegarLoopResult]: For program point L444(lines 444 454) no Hoare annotation was computed. [2020-09-21 12:09:50,546 INFO L264 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:50,546 INFO L268 CegarLoopResult]: For program point L442-1(line 442) no Hoare annotation was computed. [2020-09-21 12:09:50,546 INFO L268 CegarLoopResult]: For program point L440(lines 440 457) no Hoare annotation was computed. [2020-09-21 12:09:50,546 INFO L268 CegarLoopResult]: For program point L440-1(lines 432 460) no Hoare annotation was computed. [2020-09-21 12:09:50,546 INFO L264 CegarLoopResult]: At program point L438(line 438) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:50,546 INFO L268 CegarLoopResult]: For program point L438-1(line 438) no Hoare annotation was computed. [2020-09-21 12:09:50,547 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 432 460) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:50,547 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 432 460) no Hoare annotation was computed. [2020-09-21 12:09:50,547 INFO L268 CegarLoopResult]: For program point L553(lines 553 561) no Hoare annotation was computed. [2020-09-21 12:09:50,547 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 545 567) no Hoare annotation was computed. [2020-09-21 12:09:50,547 INFO L268 CegarLoopResult]: For program point L553-2(lines 553 561) no Hoare annotation was computed. [2020-09-21 12:09:50,547 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 545 567) no Hoare annotation was computed. [2020-09-21 12:09:50,547 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 545 567) no Hoare annotation was computed. [2020-09-21 12:09:50,547 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 424 431) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:50,548 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 424 431) no Hoare annotation was computed. [2020-09-21 12:09:50,548 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 424 431) no Hoare annotation was computed. [2020-09-21 12:09:50,548 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 463 472) no Hoare annotation was computed. [2020-09-21 12:09:50,548 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 463 472) no Hoare annotation was computed. [2020-09-21 12:09:50,548 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 463 472) no Hoare annotation was computed. [2020-09-21 12:09:50,548 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 757 859) no Hoare annotation was computed. [2020-09-21 12:09:50,548 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-09-21 12:09:50,549 INFO L268 CegarLoopResult]: For program point L822-1(line 822) no Hoare annotation was computed. [2020-09-21 12:09:50,549 INFO L268 CegarLoopResult]: For program point L781(lines 781 785) no Hoare annotation was computed. [2020-09-21 12:09:50,549 INFO L268 CegarLoopResult]: For program point L845(lines 845 856) no Hoare annotation was computed. [2020-09-21 12:09:50,549 INFO L268 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2020-09-21 12:09:50,549 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 757 859) no Hoare annotation was computed. [2020-09-21 12:09:50,549 INFO L268 CegarLoopResult]: For program point L806-2(lines 806 826) no Hoare annotation was computed. [2020-09-21 12:09:50,549 INFO L268 CegarLoopResult]: For program point L827(lines 805 828) no Hoare annotation was computed. [2020-09-21 12:09:50,549 INFO L268 CegarLoopResult]: For program point L786(lines 786 802) no Hoare annotation was computed. [2020-09-21 12:09:50,550 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 757 859) no Hoare annotation was computed. [2020-09-21 12:09:50,550 INFO L268 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2020-09-21 12:09:50,550 INFO L268 CegarLoopResult]: For program point L807(lines 806 826) no Hoare annotation was computed. [2020-09-21 12:09:50,550 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-09-21 12:09:50,550 INFO L268 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2020-09-21 12:09:50,550 INFO L268 CegarLoopResult]: For program point L803(lines 803 844) no Hoare annotation was computed. [2020-09-21 12:09:50,550 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:50,551 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:09:50,551 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:50,551 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 144 160) no Hoare annotation was computed. [2020-09-21 12:09:50,551 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-09-21 12:09:50,551 INFO L268 CegarLoopResult]: For program point L155-1(lines 144 160) no Hoare annotation was computed. [2020-09-21 12:09:50,551 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 144 160) no Hoare annotation was computed. [2020-09-21 12:09:50,551 INFO L268 CegarLoopResult]: For program point L151(lines 151 157) no Hoare annotation was computed. [2020-09-21 12:09:50,551 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-09-21 12:09:50,552 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-09-21 12:09:50,552 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 568 576) no Hoare annotation was computed. [2020-09-21 12:09:50,552 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 568 576) no Hoare annotation was computed. [2020-09-21 12:09:50,552 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 568 576) no Hoare annotation was computed. [2020-09-21 12:09:50,552 INFO L268 CegarLoopResult]: For program point L528-1(lines 524 535) no Hoare annotation was computed. [2020-09-21 12:09:50,552 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 524 535) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:09:50,552 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 524 535) no Hoare annotation was computed. [2020-09-21 12:09:50,553 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:50,553 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:09:50,553 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:50,553 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 536 544) the Hoare annotation is: true [2020-09-21 12:09:50,553 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 536 544) no Hoare annotation was computed. [2020-09-21 12:09:50,553 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 536 544) no Hoare annotation was computed. [2020-09-21 12:09:50,553 INFO L264 CegarLoopResult]: At program point L64(lines 64 70) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,554 INFO L264 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,554 INFO L268 CegarLoopResult]: For program point L57(lines 56 75) no Hoare annotation was computed. [2020-09-21 12:09:50,554 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,554 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2020-09-21 12:09:50,554 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2020-09-21 12:09:50,554 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:50,554 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 323 352) no Hoare annotation was computed. [2020-09-21 12:09:50,554 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 323 352) the Hoare annotation is: true [2020-09-21 12:09:50,555 INFO L271 CegarLoopResult]: At program point L348(lines 323 352) the Hoare annotation is: true [2020-09-21 12:09:50,555 INFO L268 CegarLoopResult]: For program point L344(line 344) no Hoare annotation was computed. [2020-09-21 12:09:50,555 INFO L268 CegarLoopResult]: For program point L337(lines 337 341) no Hoare annotation was computed. [2020-09-21 12:09:50,555 INFO L271 CegarLoopResult]: At program point L337-1(lines 337 341) the Hoare annotation is: true [2020-09-21 12:09:50,555 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-09-21 12:09:50,555 INFO L271 CegarLoopResult]: At program point L333-2(lines 333 347) the Hoare annotation is: true [2020-09-21 12:09:50,555 INFO L271 CegarLoopResult]: At program point L329(line 329) the Hoare annotation is: true [2020-09-21 12:09:50,556 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-09-21 12:09:50,556 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 500 511) the Hoare annotation is: true [2020-09-21 12:09:50,556 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 500 511) no Hoare annotation was computed. [2020-09-21 12:09:50,556 INFO L268 CegarLoopResult]: For program point L504-1(lines 500 511) no Hoare annotation was computed. [2020-09-21 12:09:50,556 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 377 383) no Hoare annotation was computed. [2020-09-21 12:09:50,556 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 377 383) the Hoare annotation is: true [2020-09-21 12:09:50,556 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:50,556 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:09:50,557 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:09:50,557 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:50,557 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 512 523) no Hoare annotation was computed. [2020-09-21 12:09:50,557 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 512 523) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:09:50,557 INFO L268 CegarLoopResult]: For program point L516-1(lines 512 523) no Hoare annotation was computed. [2020-09-21 12:09:50,557 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 313 320) no Hoare annotation was computed. [2020-09-21 12:09:50,557 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 317) no Hoare annotation was computed. [2020-09-21 12:09:50,558 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 313 320) the Hoare annotation is: true [2020-09-21 12:09:50,558 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 313 320) no Hoare annotation was computed. [2020-09-21 12:09:50,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:09:50 BoogieIcfgContainer [2020-09-21 12:09:50,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:09:50,580 INFO L168 Benchmark]: Toolchain (without parser) took 28856.42 ms. Allocated memory was 141.0 MB in the beginning and 504.4 MB in the end (delta: 363.3 MB). Free memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: -29.3 MB). Peak memory consumption was 374.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:50,580 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:09:50,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.16 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 100.1 MB in the beginning and 169.3 MB in the end (delta: -69.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:50,582 INFO L168 Benchmark]: Boogie Preprocessor took 101.95 ms. Allocated memory is still 203.4 MB. Free memory was 169.3 MB in the beginning and 165.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:50,583 INFO L168 Benchmark]: RCFGBuilder took 1133.92 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 165.5 MB in the beginning and 192.4 MB in the end (delta: -26.9 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:50,584 INFO L168 Benchmark]: TraceAbstraction took 26911.03 ms. Allocated memory was 235.4 MB in the beginning and 504.4 MB in the end (delta: 269.0 MB). Free memory was 192.4 MB in the beginning and 130.0 MB in the end (delta: 62.4 MB). Peak memory consumption was 371.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:50,588 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 700.16 ms. Allocated memory was 141.0 MB in the beginning and 203.4 MB in the end (delta: 62.4 MB). Free memory was 100.1 MB in the beginning and 169.3 MB in the end (delta: -69.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.95 ms. Allocated memory is still 203.4 MB. Free memory was 169.3 MB in the beginning and 165.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1133.92 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 165.5 MB in the beginning and 192.4 MB in the end (delta: -26.9 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26911.03 ms. Allocated memory was 235.4 MB in the beginning and 504.4 MB in the end (delta: 269.0 MB). Free memory was 192.4 MB in the beginning and 130.0 MB in the end (delta: 62.4 MB). Peak memory consumption was 371.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 317]: 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: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: !(1 <= systemActive) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 381 SDtfs, 513 SDslu, 184 SDs, 0 SdLazy, 748 SolverSat, 339 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred 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, 91 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 232 PreInvPairs, 249 NumberOfFragments, 725 HoareAnnotationTreeSize, 232 FomulaSimplifications, 15980 FormulaSimplificationTreeSizeReduction, 8.1s HoareSimplificationTime, 58 FomulaSimplificationsInter, 5327 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 60536 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...